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/* Copyright (C) 2000-2003 MySQL AB
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   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

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/* sql_yacc.yy */
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/**
  @defgroup Parser Parser
  @{
*/

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%{
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/* thd is passed as an argument to yyparse(), and subsequently to yylex().
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** The type will be void*, so it must be  cast to (THD*) when used.
** Use the YYTHD macro for this.
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*/
#define YYPARSE_PARAM yythd
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#define YYLEX_PARAM yythd
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#define YYTHD ((THD *)yythd)

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#define MYSQL_YACC
#define YYINITDEPTH 100
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#define YYMAXDEPTH 3200                        /* Because of 64K stack */
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#define Lex (YYTHD->lex)
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#define Select Lex->current_select
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#include "mysql_priv.h"
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#include "slave.h"
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#include "lex_symbol.h"
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#include "item_create.h"
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#include "sp_head.h"
#include "sp_pcontext.h"
#include "sp_rcontext.h"
#include "sp.h"
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#include "event_data_objects.h"
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#include <myisam.h>
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#include <myisammrg.h>
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int yylex(void *yylval, void *yythd);
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const LEX_STRING null_lex_str= {0,0};

#define yyoverflow(A,B,C,D,E,F)               \
  {                                           \
    ulong val= *(F);                          \
    if (my_yyoverflow((B), (D), &val))        \
    {                                         \
      yyerror((char*) (A));                   \
      return 2;                               \
    }                                         \
    else                                      \
    {                                         \
      *(F)= (YYSIZE_T)val;                    \
    }                                         \
  }
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#define MYSQL_YYABORT                         \
  do                                          \
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  {                                           \
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    LEX::cleanup_lex_after_parse_error(YYTHD);\
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    YYABORT;                                  \
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  } while (0)

#define MYSQL_YYABORT_UNLESS(A)         \
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  if (!(A))                             \
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  {                                     \
    my_parse_error(ER(ER_SYNTAX_ERROR));\
    MYSQL_YYABORT;                      \
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  }

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/*
  Work around for broken code generated by bison 1.875.

  The code generated by bison 1.875a and later, bison 2.1 and bison 2.2 is ok.
  With bison 1.875 however, the generated code contains:
<pre>
  yyerrlab1:
  #if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
    __attribute__ ((__unused__))
  #endif
</pre>
  This usage of __attribute__ is illegal, so we remove it.
  See the following references for details:
  http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00014.html
  http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14273
*/

#if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
#undef __attribute__
#define __attribute__(X)
#endif

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#ifndef DBUG_OFF
#define YYDEBUG 1
#else
#define YYDEBUG 0
#endif

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/**
  @brief Push an error message into MySQL error stack with line
  and position information.

  This function provides semantic action implementers with a way
  to push the famous "You have a syntax error near..." error
  message into the error stack, which is normally produced only if
  a parse error is discovered internally by the Bison generated
  parser.
*/

void my_parse_error(const char *s)
{
  THD *thd= current_thd;
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  Lex_input_stream *lip= thd->m_lip;
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  const char *yytext= lip->get_tok_start();
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  /* Push an error into the error stack */
  my_printf_error(ER_PARSE_ERROR,  ER(ER_PARSE_ERROR), MYF(0), s,
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                  (yytext ? yytext : ""),
                  lip->yylineno);
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}

/**
  @brief Bison callback to report a syntax/OOM error

  This function is invoked by the bison-generated parser
  when a syntax error, a parse error or an out-of-memory
  condition occurs. This function is not invoked when the
  parser is requested to abort by semantic action code
  by means of YYABORT or YYACCEPT macros. This is why these
  macros should not be used (use MYSQL_YYABORT/MYSQL_YYACCEPT
  instead).

  The parser will abort immediately after invoking this callback.

  This function is not for use in semantic actions and is internal to
  the parser, as it performs some pre-return cleanup. 
  In semantic actions, please use my_parse_error or my_error to
  push an error into the error stack and MYSQL_YYABORT
  to abort from the parser.
*/

void MYSQLerror(const char *s)
{
  THD *thd= current_thd;

  /*
    Restore the original LEX if it was replaced when parsing
    a stored procedure. We must ensure that a parsing error
    does not leave any side effects in the THD.
  */
  LEX::cleanup_lex_after_parse_error(thd);

  /* "parse error" changed into "syntax error" between bison 1.75 and 1.875 */
  if (strcmp(s,"parse error") == 0 || strcmp(s,"syntax error") == 0)
    s= ER(ER_SYNTAX_ERROR);
  my_parse_error(s);
}


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#ifndef DBUG_OFF
void turn_parser_debug_on()
{
  /*
     MYSQLdebug is in sql/sql_yacc.cc, in bison generated code.
     Turning this option on is **VERY** verbose, and should be
     used when investigating a syntax error problem only.

     The syntax to run with bison traces is as follows :
     - Starting a server manually :
       mysqld --debug="d,parser_debug" ...
     - Running a test :
       mysql-test-run.pl --mysqld="--debug=d,parser_debug" ...

     The result will be in the process stderr (var/log/master.err)
   */

  extern int yydebug;
  yydebug= 1;
}
#endif

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static bool is_native_function(THD *thd, const LEX_STRING *name)
{
  if (find_native_function_builder(thd, *name))
    return true;

  if (is_lex_native_function(name))
    return true;

  return false;
}

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/**
  Helper action for a case statement (entering the CASE).
  This helper is used for both 'simple' and 'searched' cases.
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  This helper, with the other case_stmt_action_..., is executed when
  the following SQL code is parsed:
<pre>
CREATE PROCEDURE proc_19194_simple(i int)
BEGIN
  DECLARE str CHAR(10);

  CASE i
    WHEN 1 THEN SET str="1";
    WHEN 2 THEN SET str="2";
    WHEN 3 THEN SET str="3";
    ELSE SET str="unknown";
  END CASE;

  SELECT str;
END
</pre>
  The actions are used to generate the following code:
<pre>
SHOW PROCEDURE CODE proc_19194_simple;
Pos     Instruction
0       set str@1 NULL
1       set_case_expr (12) 0 i@0
2       jump_if_not 5(12) (case_expr@0 = 1)
3       set str@1 _latin1'1'
4       jump 12
5       jump_if_not 8(12) (case_expr@0 = 2)
6       set str@1 _latin1'2'
7       jump 12
8       jump_if_not 11(12) (case_expr@0 = 3)
9       set str@1 _latin1'3'
10      jump 12
11      set str@1 _latin1'unknown'
12      stmt 0 "SELECT str"
</pre>

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  @param lex the parser lex context
*/

void case_stmt_action_case(LEX *lex)
{
  lex->sphead->new_cont_backpatch(NULL);

  /*
    BACKPATCH: Creating target label for the jump to
    "case_stmt_action_end_case"
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    (Instruction 12 in the example)
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  */

  lex->spcont->push_label((char *)"", lex->sphead->instructions());
}

/**
  Helper action for a case expression statement (the expr in 'CASE expr').
  This helper is used for 'searched' cases only.
  @param lex the parser lex context
  @param expr the parsed expression
  @return 0 on success
*/

int case_stmt_action_expr(LEX *lex, Item* expr)
{
  sp_head *sp= lex->sphead;
  sp_pcontext *parsing_ctx= lex->spcont;
  int case_expr_id= parsing_ctx->register_case_expr();
  sp_instr_set_case_expr *i;

  if (parsing_ctx->push_case_expr_id(case_expr_id))
    return 1;

  i= new sp_instr_set_case_expr(sp->instructions(),
                                parsing_ctx, case_expr_id, expr, lex);

  sp->add_cont_backpatch(i);
  sp->add_instr(i);

  return 0;
}

/**
  Helper action for a case when condition.
  This helper is used for both 'simple' and 'searched' cases.
  @param lex the parser lex context
  @param when the parsed expression for the WHEN clause
  @param simple true for simple cases, false for searched cases
*/

void case_stmt_action_when(LEX *lex, Item *when, bool simple)
{
  sp_head *sp= lex->sphead;
  sp_pcontext *ctx= lex->spcont;
  uint ip= sp->instructions();
  sp_instr_jump_if_not *i;
  Item_case_expr *var;
  Item *expr;

  if (simple)
  {
    var= new Item_case_expr(ctx->get_current_case_expr_id());

#ifndef DBUG_OFF
    if (var)
    {
      var->m_sp= sp;
    }
#endif

    expr= new Item_func_eq(var, when);
    i= new sp_instr_jump_if_not(ip, ctx, expr, lex);
  }
  else
    i= new sp_instr_jump_if_not(ip, ctx, when, lex);

  /*
    BACKPATCH: Registering forward jump from
    "case_stmt_action_when" to "case_stmt_action_then"
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    (jump_if_not from instruction 2 to 5, 5 to 8 ... in the example)
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  */

  sp->push_backpatch(i, ctx->push_label((char *)"", 0));
  sp->add_cont_backpatch(i);
  sp->add_instr(i);
}

/**
  Helper action for a case then statements.
  This helper is used for both 'simple' and 'searched' cases.
  @param lex the parser lex context
*/

void case_stmt_action_then(LEX *lex)
{
  sp_head *sp= lex->sphead;
  sp_pcontext *ctx= lex->spcont;
  uint ip= sp->instructions();
  sp_instr_jump *i = new sp_instr_jump(ip, ctx);
  sp->add_instr(i);

  /*
    BACKPATCH: Resolving forward jump from
    "case_stmt_action_when" to "case_stmt_action_then"
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    (jump_if_not from instruction 2 to 5, 5 to 8 ... in the example)
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  */

  sp->backpatch(ctx->pop_label());

  /*
    BACKPATCH: Registering forward jump from
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    "case_stmt_action_then" to "case_stmt_action_end_case"
    (jump from instruction 4 to 12, 7 to 12 ... in the example)
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  */

  sp->push_backpatch(i, ctx->last_label());
}

/**
  Helper action for an end case.
  This helper is used for both 'simple' and 'searched' cases.
  @param lex the parser lex context
  @param simple true for simple cases, false for searched cases
*/

void case_stmt_action_end_case(LEX *lex, bool simple)
{
  /*
    BACKPATCH: Resolving forward jump from
    "case_stmt_action_then" to "case_stmt_action_end_case"
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    (jump from instruction 4 to 12, 7 to 12 ... in the example)
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  */
  lex->sphead->backpatch(lex->spcont->pop_label());

  if (simple)
    lex->spcont->pop_case_expr_id();

  lex->sphead->do_cont_backpatch();
}

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/**
  Helper to resolve the SQL:2003 Syntax exception 1) in <in predicate>.
  See SQL:2003, Part 2, section 8.4 <in predicate>, Note 184, page 383.
  This function returns the proper item for the SQL expression
  <code>left [NOT] IN ( expr )</code>
  @param thd the current thread
  @param left the in predicand
  @param equal true for IN predicates, false for NOT IN predicates
  @param expr first and only expression of the in value list
  @return an expression representing the IN predicate.
*/
Item* handle_sql2003_note184_exception(THD *thd, Item* left, bool equal,
                                       Item *expr)
{
  /*
    Relevant references for this issue:
    - SQL:2003, Part 2, section 8.4 <in predicate>, page 383,
    - SQL:2003, Part 2, section 7.2 <row value expression>, page 296,
    - SQL:2003, Part 2, section 6.3 <value expression primary>, page 174,
    - SQL:2003, Part 2, section 7.15 <subquery>, page 370,
    - SQL:2003 Feature F561, "Full value expressions".

    The exception in SQL:2003 Note 184 means:
    Item_singlerow_subselect, which corresponds to a <scalar subquery>,
    should be re-interpreted as an Item_in_subselect, which corresponds
    to a <table subquery> when used inside an <in predicate>.

    Our reading of Note 184 is reccursive, so that all:
    - IN (( <subquery> ))
    - IN ((( <subquery> )))
    - IN '('^N <subquery> ')'^N
    - etc
    should be interpreted as a <table subquery>, no matter how deep in the
    expression the <subquery> is.
  */

  Item *result;

  DBUG_ENTER("handle_sql2003_note184_exception");

  if (expr->type() == Item::SUBSELECT_ITEM)
  {
    Item_subselect *expr2 = (Item_subselect*) expr;

    if (expr2->substype() == Item_subselect::SINGLEROW_SUBS)
    {
      Item_singlerow_subselect *expr3 = (Item_singlerow_subselect*) expr2;
      st_select_lex *subselect;

      /*
        Implement the mandated change, by altering the semantic tree:
          left IN Item_singlerow_subselect(subselect)
        is modified to
          left IN (subselect)
        which is represented as
          Item_in_subselect(left, subselect)
      */
      subselect= expr3->invalidate_and_restore_select_lex();
      result= new (thd->mem_root) Item_in_subselect(left, subselect);

      if (! equal)
        result = negate_expression(thd, result);

      DBUG_RETURN(result);
    }
  }

  if (equal)
    result= new (thd->mem_root) Item_func_eq(left, expr);
  else
    result= new (thd->mem_root) Item_func_ne(left, expr);

  DBUG_RETURN(result);
}

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%}
%union {
  int  num;
  ulong ulong_num;
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  ulonglong ulonglong_number;
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  longlong longlong_number;
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  LEX_STRING lex_str;
  LEX_STRING *lex_str_ptr;
  LEX_SYMBOL symbol;
  Table_ident *table;
  char *simple_string;
  Item *item;
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  Item_num *item_num;
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  List<Item> *item_list;
  List<String> *string_list;
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  String *string;
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  Key_part_spec *key_part;
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  TABLE_LIST *table_list;
  udf_func *udf;
  LEX_USER *lex_user;
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  struct sys_var_with_base variable;
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  enum enum_var_type var_type;
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  Key::Keytype key_type;
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  enum ha_key_alg key_alg;
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  handlerton *db_type;
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  enum row_type row_type;
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  enum ha_rkey_function ha_rkey_mode;
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  enum enum_tx_isolation tx_isolation;
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  enum Cast_target cast_type;
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  enum Item_udftype udf_type;
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  CHARSET_INFO *charset;
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  thr_lock_type lock_type;
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  interval_type interval, interval_time_st;
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  timestamp_type date_time_type;
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  st_select_lex *select_lex;
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  chooser_compare_func_creator boolfunc2creator;
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  struct sp_cond_type *spcondtype;
  struct { int vars, conds, hndlrs, curs; } spblock;
  sp_name *spname;
  struct st_lex *lex;
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  sp_head *sphead;
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  struct p_elem_val *p_elem_value;
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  enum index_hint_type index_hint;
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}

%{
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bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
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%}

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%pure_parser                                    /* We have threads */
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/*
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  Currently there are 280 shift/reduce conflicts.
  We should not introduce new conflicts any more.
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*/
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%expect 280
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/*
   Comments for TOKENS.
   For each token, please include in the same line a comment that contains
   the following tags:
   SQL-2003-R : Reserved keyword as per SQL-2003
   SQL-2003-N : Non Reserved keyword as per SQL-2003
   SQL-1999-R : Reserved keyword as per SQL-1999
   SQL-1999-N : Non Reserved keyword as per SQL-1999
   MYSQL      : MySQL extention (unspecified)
   MYSQL-FUNC : MySQL extention, function
   INTERNAL   : Not a real token, lex optimization
   OPERATOR   : SQL operator
   FUTURE-USE : Reserved for futur use

   This makes the code grep-able, and helps maintenance.
*/
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%token  ABORT_SYM                     /* INTERNAL (used in lex) */
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%token  ACCESSIBLE_SYM
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%token  ACTION                        /* SQL-2003-N */
%token  ADD                           /* SQL-2003-R */
%token  ADDDATE_SYM                   /* MYSQL-FUNC */
%token  AFTER_SYM                     /* SQL-2003-N */
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%token  AGAINST
%token  AGGREGATE_SYM
%token  ALGORITHM_SYM
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%token  ALL                           /* SQL-2003-R */
%token  ALTER                         /* SQL-2003-R */
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%token  ANALYZE_SYM
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%token  AND_AND_SYM                   /* OPERATOR */
%token  AND_SYM                       /* SQL-2003-R */
%token  ANY_SYM                       /* SQL-2003-R */
%token  AS                            /* SQL-2003-R */
%token  ASC                           /* SQL-2003-N */
%token  ASCII_SYM                     /* MYSQL-FUNC */
%token  ASENSITIVE_SYM                /* FUTURE-USE */
%token  AT_SYM                        /* SQL-2003-R */
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%token  AUTHORS_SYM
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%token  AUTOEXTEND_SIZE_SYM
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%token  AUTO_INC
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%token  AVG_ROW_LENGTH
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%token  AVG_SYM                       /* SQL-2003-N */
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%token  BACKUP_SYM
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%token  BEFORE_SYM                    /* SQL-2003-N */
%token  BEGIN_SYM                     /* SQL-2003-R */
%token  BETWEEN_SYM                   /* SQL-2003-R */
%token  BIGINT                        /* SQL-2003-R */
%token  BINARY                        /* SQL-2003-R */
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%token  BINLOG_SYM
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%token  BIN_NUM
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%token  BIT_AND                       /* MYSQL-FUNC */
%token  BIT_OR                        /* MYSQL-FUNC */
%token  BIT_SYM                       /* MYSQL-FUNC */
%token  BIT_XOR                       /* MYSQL-FUNC */
%token  BLOB_SYM                      /* SQL-2003-R */
%token  BOOLEAN_SYM                   /* SQL-2003-R */
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%token  BOOL_SYM
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%token  BOTH                          /* SQL-2003-R */
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%token  BTREE_SYM
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%token  BY                            /* SQL-2003-R */
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%token  BYTE_SYM
%token  CACHE_SYM
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%token  CALL_SYM                      /* SQL-2003-R */
%token  CASCADE                       /* SQL-2003-N */
%token  CASCADED                      /* SQL-2003-R */
%token  CASE_SYM                      /* SQL-2003-R */
%token  CAST_SYM                      /* SQL-2003-R */
%token  CHAIN_SYM                     /* SQL-2003-N */
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%token  CHANGE
%token  CHANGED
%token  CHARSET
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%token  CHAR_SYM                      /* SQL-2003-R */
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%token  CHECKSUM_SYM
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%token  CHECK_SYM                     /* SQL-2003-R */
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%token  CIPHER_SYM
%token  CLIENT_SYM
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%token  CLOSE_SYM                     /* SQL-2003-R */
%token  COALESCE                      /* SQL-2003-N */
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%token  CODE_SYM
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%token  COLLATE_SYM                   /* SQL-2003-R */
%token  COLLATION_SYM                 /* SQL-2003-N */
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%token  COLUMNS
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%token  COLUMN_SYM                    /* SQL-2003-R */
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%token  COMMENT_SYM
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%token  COMMITTED_SYM                 /* SQL-2003-N */
%token  COMMIT_SYM                    /* SQL-2003-R */
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%token  COMPACT_SYM
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%token  COMPLETION_SYM
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%token  COMPRESSED_SYM
%token  CONCURRENT
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%token  CONDITION_SYM                 /* SQL-2003-N */
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%token  CONNECTION_SYM
%token  CONSISTENT_SYM
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%token  CONSTRAINT                    /* SQL-2003-R */
%token  CONTAINS_SYM                  /* SQL-2003-N */
%token  CONTINUE_SYM                  /* SQL-2003-R */
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%token  CONTRIBUTORS_SYM
613 614 615 616 617 618 619 620 621
%token  CONVERT_SYM                   /* SQL-2003-N */
%token  COUNT_SYM                     /* SQL-2003-N */
%token  CREATE                        /* SQL-2003-R */
%token  CROSS                         /* SQL-2003-R */
%token  CUBE_SYM                      /* SQL-2003-R */
%token  CURDATE                       /* MYSQL-FUNC */
%token  CURRENT_USER                  /* SQL-2003-R */
%token  CURSOR_SYM                    /* SQL-2003-R */
%token  CURTIME                       /* MYSQL-FUNC */
622 623
%token  DATABASE
%token  DATABASES
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%token  DATAFILE_SYM
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%token  DATA_SYM                      /* SQL-2003-N */
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%token  DATETIME
627 628 629
%token  DATE_ADD_INTERVAL             /* MYSQL-FUNC */
%token  DATE_SUB_INTERVAL             /* MYSQL-FUNC */
%token  DATE_SYM                      /* SQL-2003-R */
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%token  DAY_HOUR_SYM
%token  DAY_MICROSECOND_SYM
%token  DAY_MINUTE_SYM
%token  DAY_SECOND_SYM
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%token  DAY_SYM                       /* SQL-2003-R */
%token  DEALLOCATE_SYM                /* SQL-2003-R */
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%token  DECIMAL_NUM
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%token  DECIMAL_SYM                   /* SQL-2003-R */
%token  DECLARE_SYM                   /* SQL-2003-R */
%token  DEFAULT                       /* SQL-2003-R */
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%token  DEFINER_SYM
%token  DELAYED_SYM
%token  DELAY_KEY_WRITE_SYM
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%token  DELETE_SYM                    /* SQL-2003-R */
%token  DESC                          /* SQL-2003-N */
%token  DESCRIBE                      /* SQL-2003-R */
646
%token  DES_KEY_FILE
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%token  DETERMINISTIC_SYM             /* SQL-2003-R */
648 649 650
%token  DIRECTORY_SYM
%token  DISABLE_SYM
%token  DISCARD
651
%token  DISK_SYM
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%token  DISTINCT                      /* SQL-2003-R */
653
%token  DIV_SYM
654
%token  DOUBLE_SYM                    /* SQL-2003-R */
655
%token  DO_SYM
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%token  DROP                          /* SQL-2003-R */
657 658
%token  DUAL_SYM
%token  DUMPFILE
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%token  DUPLICATE_SYM
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%token  DYNAMIC_SYM                   /* SQL-2003-R */
%token  EACH_SYM                      /* SQL-2003-R */
%token  ELSE                          /* SQL-2003-R */
663 664 665
%token  ELSEIF_SYM
%token  ENABLE_SYM
%token  ENCLOSED
666
%token  END                           /* SQL-2003-R */
667
%token  ENDS_SYM
668
%token  END_OF_INPUT                  /* INTERNAL */
669 670 671
%token  ENGINES_SYM
%token  ENGINE_SYM
%token  ENUM
672 673
%token  EQ                            /* OPERATOR */
%token  EQUAL_SYM                     /* OPERATOR */
674 675
%token  ERRORS
%token  ESCAPED
676
%token  ESCAPE_SYM                    /* SQL-2003-R */
677
%token  EVENTS_SYM
678 679 680 681
%token  EVENT_SYM
%token  EVERY_SYM                     /* SQL-2003-N */
%token  EXECUTE_SYM                   /* SQL-2003-R */
%token  EXISTS                        /* SQL-2003-R */
682
%token  EXIT_SYM
683 684
%token  EXPANSION_SYM
%token  EXTENDED_SYM
685
%token  EXTENT_SIZE_SYM
686 687
%token  EXTRACT_SYM                   /* SQL-2003-N */
%token  FALSE_SYM                     /* SQL-2003-R */
688
%token  FAST_SYM
689
%token  FETCH_SYM                     /* SQL-2003-R */
690
%token  FILE_SYM
691
%token  FIRST_SYM                     /* SQL-2003-N */
692 693
%token  FIXED_SYM
%token  FLOAT_NUM
694
%token  FLOAT_SYM                     /* SQL-2003-R */
695 696
%token  FLUSH_SYM
%token  FORCE_SYM
697 698 699
%token  FOREIGN                       /* SQL-2003-R */
%token  FOR_SYM                       /* SQL-2003-R */
%token  FOUND_SYM                     /* SQL-2003-R */
700 701
%token  FRAC_SECOND_SYM
%token  FROM
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%token  FULL                          /* SQL-2003-R */
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%token  FULLTEXT_SYM
704
%token  FUNCTION_SYM                  /* SQL-2003-R */
705 706 707
%token  GE
%token  GEOMETRYCOLLECTION
%token  GEOMETRY_SYM
708 709 710
%token  GET_FORMAT                    /* MYSQL-FUNC */
%token  GLOBAL_SYM                    /* SQL-2003-R */
%token  GRANT                         /* SQL-2003-R */
711
%token  GRANTS
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%token  GROUP_SYM                     /* SQL-2003-R */
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%token  GROUP_CONCAT_SYM
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%token  GT_SYM                        /* OPERATOR */
715 716
%token  HANDLER_SYM
%token  HASH_SYM
717
%token  HAVING                        /* SQL-2003-R */
718 719 720
%token  HELP_SYM
%token  HEX_NUM
%token  HIGH_PRIORITY
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%token  HOST_SYM
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%token  HOSTS_SYM
%token  HOUR_MICROSECOND_SYM
%token  HOUR_MINUTE_SYM
%token  HOUR_SECOND_SYM
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%token  HOUR_SYM                      /* SQL-2003-R */
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%token  IDENT
%token  IDENTIFIED_SYM
%token  IDENT_QUOTED
%token  IF
%token  IGNORE_SYM
%token  IMPORT
%token  INDEXES
%token  INDEX_SYM
%token  INFILE
736
%token  INITIAL_SIZE_SYM
737
%token  INNER_SYM                     /* SQL-2003-R */
738
%token  INNOBASE_SYM
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%token  INOUT_SYM                     /* SQL-2003-R */
%token  INSENSITIVE_SYM               /* SQL-2003-R */
%token  INSERT                        /* SQL-2003-R */
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%token  INSERT_METHOD
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%token  INSTALL_SYM
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%token  INTERVAL_SYM                  /* SQL-2003-R */
%token  INTO                          /* SQL-2003-R */
%token  INT_SYM                       /* SQL-2003-R */
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%token  INVOKER_SYM
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%token  IN_SYM                        /* SQL-2003-R */
%token  IS                            /* SQL-2003-R */
%token  ISOLATION                     /* SQL-2003-R */
751 752
%token  ISSUER_SYM
%token  ITERATE_SYM
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%token  JOIN_SYM                      /* SQL-2003-R */
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%token  KEYS
755
%token  KEY_BLOCK_SIZE
756
%token  KEY_SYM                       /* SQL-2003-N */
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%token  KILL_SYM
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%token  LANGUAGE_SYM                  /* SQL-2003-R */
%token  LAST_SYM                      /* SQL-2003-N */
%token  LE                            /* OPERATOR */
%token  LEADING                       /* SQL-2003-R */
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%token  LEAVES
%token  LEAVE_SYM
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%token  LEFT                          /* SQL-2003-R */
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%token  LESS_SYM
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%token  LEVEL_SYM
%token  LEX_HOSTNAME
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%token  LIKE                          /* SQL-2003-R */
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%token  LIMIT
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%token  LINEAR_SYM
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%token  LINES
%token  LINESTRING
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%token  LIST_SYM
774
%token  LOAD
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%token  LOCAL_SYM                     /* SQL-2003-R */
%token  LOCATOR_SYM                   /* SQL-2003-N */
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%token  LOCKS_SYM
%token  LOCK_SYM
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%token  LOGFILE_SYM
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%token  LOGS_SYM
%token  LONGBLOB
%token  LONGTEXT
%token  LONG_NUM
%token  LONG_SYM
%token  LOOP_SYM
%token  LOW_PRIORITY
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%token  LT                            /* OPERATOR */
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%token  MASTER_CONNECT_RETRY_SYM
%token  MASTER_HOST_SYM
%token  MASTER_LOG_FILE_SYM
%token  MASTER_LOG_POS_SYM
%token  MASTER_PASSWORD_SYM
%token  MASTER_PORT_SYM
%token  MASTER_SERVER_ID_SYM
%token  MASTER_SSL_CAPATH_SYM
%token  MASTER_SSL_CA_SYM
%token  MASTER_SSL_CERT_SYM
%token  MASTER_SSL_CIPHER_SYM
%token  MASTER_SSL_KEY_SYM
%token  MASTER_SSL_SYM
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%token  MASTER_SSL_VERIFY_SERVER_CERT_SYM
802 803
%token  MASTER_SYM
%token  MASTER_USER_SYM
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%token  MATCH                         /* SQL-2003-R */
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%token  MAX_CONNECTIONS_PER_HOUR
%token  MAX_QUERIES_PER_HOUR
%token  MAX_ROWS
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%token  MAX_SIZE_SYM
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%token  MAX_SYM                       /* SQL-2003-N */
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%token  MAX_UPDATES_PER_HOUR
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%token  MAX_USER_CONNECTIONS_SYM
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%token  MAX_VALUE_SYM                 /* SQL-2003-N */
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%token  MEDIUMBLOB
%token  MEDIUMINT
%token  MEDIUMTEXT
%token  MEDIUM_SYM
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%token  MEMORY_SYM
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%token  MERGE_SYM                     /* SQL-2003-R */
%token  MICROSECOND_SYM               /* MYSQL-FUNC */
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%token  MIGRATE_SYM
%token  MINUTE_MICROSECOND_SYM
%token  MINUTE_SECOND_SYM
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%token  MINUTE_SYM                    /* SQL-2003-R */
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%token  MIN_ROWS
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%token  MIN_SYM                       /* SQL-2003-N */
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%token  MODE_SYM
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%token  MODIFIES_SYM                  /* SQL-2003-R */
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%token  MODIFY_SYM
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%token  MOD_SYM                       /* SQL-2003-N */
%token  MONTH_SYM                     /* SQL-2003-R */
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%token  MULTILINESTRING
%token  MULTIPOINT
%token  MULTIPOLYGON
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%token  MUTEX_SYM
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%token  NAMES_SYM                     /* SQL-2003-N */
%token  NAME_SYM                      /* SQL-2003-N */
%token  NATIONAL_SYM                  /* SQL-2003-R */
%token  NATURAL                       /* SQL-2003-R */
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%token  NCHAR_STRING
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%token  NCHAR_SYM                     /* SQL-2003-R */
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%token  NDBCLUSTER_SYM
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%token  NE                            /* OPERATOR */
%token  NEG
%token  NEW_SYM                       /* SQL-2003-R */
%token  NEXT_SYM                      /* SQL-2003-N */
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%token  NODEGROUP_SYM
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%token  NONE_SYM                      /* SQL-2003-R */
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%token  NOT2_SYM
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%token  NOT_SYM                       /* SQL-2003-R */
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%token  NOW_SYM
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%token  NO_SYM                        /* SQL-2003-R */
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%token  NO_WAIT_SYM
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%token  NO_WRITE_TO_BINLOG
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%token  NULL_SYM                      /* SQL-2003-R */
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%token  NUM
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%token  NUMERIC_SYM                   /* SQL-2003-R */
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%token  NVARCHAR_SYM
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%token  OFFSET_SYM
%token  OLD_PASSWORD
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%token  ON                            /* SQL-2003-R */
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%token  ONE_SHOT_SYM
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%token  ONE_SYM
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%token  OPEN_SYM                      /* SQL-2003-R */
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%token  OPTIMIZE
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%token  OPTIONS_SYM
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%token  OPTION                        /* SQL-2003-N */
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%token  OPTIONALLY
%token  OR2_SYM
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%token  ORDER_SYM                     /* SQL-2003-R */
%token  OR_OR_SYM                     /* OPERATOR */
%token  OR_SYM                        /* SQL-2003-R */
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%token  OUTER
%token  OUTFILE
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%token  OUT_SYM                       /* SQL-2003-R */
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%token  OWNER_SYM
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%token  PACK_KEYS_SYM
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%token  PAGE_SYM
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%token  PARAM_MARKER
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%token  PARSER_SYM
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%token  PARTIAL                       /* SQL-2003-N */
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%token  PARTITIONING_SYM
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%token  PARTITIONS_SYM
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%token  PARTITION_SYM                 /* SQL-2003-R */
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%token  PASSWORD
%token  PHASE_SYM
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%token  PLUGINS_SYM
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%token  PLUGIN_SYM
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%token  POINT_SYM
%token  POLYGON
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%token  PORT_SYM
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%token  POSITION_SYM                  /* SQL-2003-N */
%token  PRECISION                     /* SQL-2003-R */
%token  PREPARE_SYM                   /* SQL-2003-R */
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%token  PRESERVE_SYM
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%token  PREV_SYM
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%token  PRIMARY_SYM                   /* SQL-2003-R */
%token  PRIVILEGES                    /* SQL-2003-N */
%token  PROCEDURE                     /* SQL-2003-R */
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%token  PROCESS
%token  PROCESSLIST_SYM
%token  PURGE
%token  QUARTER_SYM
%token  QUERY_SYM
%token  QUICK
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%token  RANGE_SYM                     /* SQL-2003-R */
%token  READS_SYM                     /* SQL-2003-R */
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%token  READ_ONLY_SYM
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%token  READ_SYM                      /* SQL-2003-N */
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%token  READ_WRITE_SYM
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%token  REAL                          /* SQL-2003-R */
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%token  REBUILD_SYM
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%token  RECOVER_SYM
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%token  REDOFILE_SYM
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%token  REDO_BUFFER_SIZE_SYM
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%token  REDUNDANT_SYM
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%token  REFERENCES                    /* SQL-2003-R */
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%token  REGEXP
%token  RELAY_LOG_FILE_SYM
%token  RELAY_LOG_POS_SYM
%token  RELAY_THREAD
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%token  RELEASE_SYM                   /* SQL-2003-R */
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%token  RELOAD
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%token  REMOVE_SYM
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%token  RENAME
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%token  REORGANIZE_SYM
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%token  REPAIR
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%token  REPEATABLE_SYM                /* SQL-2003-N */
%token  REPEAT_SYM                    /* MYSQL-FUNC */
%token  REPLACE                       /* MYSQL-FUNC */
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%token  REPLICATION
%token  REQUIRE_SYM
%token  RESET_SYM
%token  RESOURCES
%token  RESTORE_SYM
%token  RESTRICT
%token  RESUME_SYM
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%token  RETURNS_SYM                   /* SQL-2003-R */
%token  RETURN_SYM                    /* SQL-2003-R */
%token  REVOKE                        /* SQL-2003-R */
%token  RIGHT                         /* SQL-2003-R */
%token  ROLLBACK_SYM                  /* SQL-2003-R */
%token  ROLLUP_SYM                    /* SQL-2003-R */
%token  ROUTINE_SYM                   /* SQL-2003-N */
%token  ROWS_SYM                      /* SQL-2003-R */
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%token  ROW_FORMAT_SYM
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%token  ROW_SYM                       /* SQL-2003-R */
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%token  RTREE_SYM
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%token  SAVEPOINT_SYM                 /* SQL-2003-R */
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%token  SCHEDULE_SYM
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%token  SECOND_MICROSECOND_SYM
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%token  SECOND_SYM                    /* SQL-2003-R */
%token  SECURITY_SYM                  /* SQL-2003-N */
%token  SELECT_SYM                    /* SQL-2003-R */
%token  SENSITIVE_SYM                 /* FUTURE-USE */
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%token  SEPARATOR_SYM
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%token  SERIALIZABLE_SYM              /* SQL-2003-N */
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%token  SERIAL_SYM
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%token  SESSION_SYM                   /* SQL-2003-N */
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%token  SERVER_SYM
%token  SERVER_OPTIONS
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%token  SET                           /* SQL-2003-R */
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%token  SET_VAR
%token  SHARE_SYM
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%token  SHIFT_LEFT                    /* OPERATOR */
%token  SHIFT_RIGHT                   /* OPERATOR */
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%token  SHOW
%token  SHUTDOWN
%token  SIGNED_SYM
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%token  SIMPLE_SYM                    /* SQL-2003-N */
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%token  SLAVE
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%token  SMALLINT                      /* SQL-2003-R */
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%token  SNAPSHOT_SYM
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%token  SOCKET_SYM
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%token  SONAME_SYM
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%token  SOUNDS_SYM
%token  SPATIAL_SYM
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%token  SPECIFIC_SYM                  /* SQL-2003-R */
%token  SQLEXCEPTION_SYM              /* SQL-2003-R */
%token  SQLSTATE_SYM                  /* SQL-2003-R */
%token  SQLWARNING_SYM                /* SQL-2003-R */
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%token  SQL_BIG_RESULT
%token  SQL_BUFFER_RESULT
%token  SQL_CACHE_SYM
%token  SQL_CALC_FOUND_ROWS
%token  SQL_NO_CACHE_SYM
%token  SQL_SMALL_RESULT
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%token  SQL_SYM                       /* SQL-2003-R */
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%token  SQL_THREAD
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%token  SSL_SYM
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%token  STARTING
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%token  STARTS_SYM
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%token  START_SYM                     /* SQL-2003-R */
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%token  STATUS_SYM
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%token  STDDEV_SAMP_SYM               /* SQL-2003-N */
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%token  STD_SYM
%token  STOP_SYM
%token  STORAGE_SYM
%token  STRAIGHT_JOIN
%token  STRING_SYM
%token  SUBDATE_SYM
%token  SUBJECT_SYM
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%token  SUBPARTITIONS_SYM
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%token  SUBPARTITION_SYM
%token  SUBSTRING                     /* SQL-2003-N */
%token  SUM_SYM                       /* SQL-2003-N */
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%token  SUPER_SYM
%token  SUSPEND_SYM
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%token  SYSDATE
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%token  TABLES
%token  TABLESPACE
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%token  TABLE_REF_PRIORITY
%token  TABLE_SYM                     /* SQL-2003-R */
%token  TEMPORARY                     /* SQL-2003-N */
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%token  TEMPTABLE_SYM
%token  TERMINATED
%token  TEXT_STRING
%token  TEXT_SYM
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%token  THAN_SYM
%token  THEN_SYM                      /* SQL-2003-R */
%token  TIMESTAMP                     /* SQL-2003-R */
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%token  TIMESTAMP_ADD
%token  TIMESTAMP_DIFF
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%token  TIME_SYM                      /* SQL-2003-R */
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%token  TINYBLOB
%token  TINYINT
%token  TINYTEXT
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%token  TO_SYM                        /* SQL-2003-R */
%token  TRAILING                      /* SQL-2003-R */
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%token  TRANSACTION_SYM
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%token  TRANSACTIONAL_SYM
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%token  TRIGGERS_SYM
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%token  TRIGGER_SYM                   /* SQL-2003-R */
%token  TRIM                          /* SQL-2003-N */
%token  TRUE_SYM                      /* SQL-2003-R */
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%token  TRUNCATE_SYM
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%token  TYPES_SYM
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%token  TYPE_SYM                      /* SQL-2003-N */
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%token  UDF_RETURNS_SYM
%token  ULONGLONG_NUM
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%token  UNCOMMITTED_SYM               /* SQL-2003-N */
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%token  UNDEFINED_SYM
%token  UNDERSCORE_CHARSET
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%token  UNDOFILE_SYM
%token  UNDO_BUFFER_SIZE_SYM
%token  UNDO_SYM                      /* FUTURE-USE */
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%token  UNICODE_SYM
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%token  UNINSTALL_SYM
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%token  UNION_SYM                     /* SQL-2003-R */
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%token  UNIQUE_SYM
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%token  UNKNOWN_SYM                   /* SQL-2003-R */
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%token  UNLOCK_SYM
%token  UNSIGNED
%token  UNTIL_SYM
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%token  UPDATE_SYM                    /* SQL-2003-R */
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%token  UPGRADE_SYM
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%token  USAGE                         /* SQL-2003-N */
%token  USER                          /* SQL-2003-R */
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%token  USE_FRM
%token  USE_SYM
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%token  USING                         /* SQL-2003-R */
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%token  UTC_DATE_SYM
%token  UTC_TIMESTAMP_SYM
%token  UTC_TIME_SYM
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%token  VALUES                        /* SQL-2003-R */
%token  VALUE_SYM                     /* SQL-2003-R */
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%token  VARBINARY
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%token  VARCHAR                       /* SQL-2003-R */
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%token  VARIABLES
%token  VARIANCE_SYM
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%token  VARYING                       /* SQL-2003-R */
%token  VAR_SAMP_SYM
%token  VIEW_SYM                      /* SQL-2003-N */
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%token  WAIT_SYM
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%token  WARNINGS
%token  WEEK_SYM
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%token  WHEN_SYM                      /* SQL-2003-R */
%token  WHERE                         /* SQL-2003-R */
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%token  WHILE_SYM
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%token  WITH                          /* SQL-2003-R */
%token  WORK_SYM                      /* SQL-2003-N */
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%token  WRAPPER_SYM
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%token  WRITE_SYM                     /* SQL-2003-N */
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%token  X509_SYM
%token  XA_SYM
%token  XOR
%token  YEAR_MONTH_SYM
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%token  YEAR_SYM                      /* SQL-2003-R */
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%token  ZEROFILL
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%left   JOIN_SYM INNER_SYM STRAIGHT_JOIN CROSS LEFT RIGHT
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/* A dummy token to force the priority of table_ref production in a join. */
%left   TABLE_REF_PRIORITY
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%left   SET_VAR
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%left   OR_OR_SYM OR_SYM OR2_SYM
%left   XOR
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%left   AND_SYM AND_AND_SYM
%left   BETWEEN_SYM CASE_SYM WHEN_SYM THEN_SYM ELSE
%left   EQ EQUAL_SYM GE GT_SYM LE LT NE IS LIKE REGEXP IN_SYM
%left   '|'
%left   '&'
%left   SHIFT_LEFT SHIFT_RIGHT
%left   '-' '+'
%left   '*' '/' '%' DIV_SYM MOD_SYM
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%left   '^'
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%left   NEG '~'
%right  NOT_SYM NOT2_SYM
%right  BINARY COLLATE_SYM
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%left  INTERVAL_SYM
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%type <lex_str>
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        IDENT IDENT_QUOTED TEXT_STRING DECIMAL_NUM FLOAT_NUM NUM LONG_NUM HEX_NUM
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        LEX_HOSTNAME ULONGLONG_NUM field_ident select_alias ident ident_or_text
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        IDENT_sys TEXT_STRING_sys TEXT_STRING_literal
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        NCHAR_STRING opt_component key_cache_name
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        sp_opt_label BIN_NUM label_ident TEXT_STRING_filesystem ident_or_empty
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%type <lex_str_ptr>
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        opt_table_alias
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%type <table>
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        table_ident table_ident_nodb references xid
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%type <simple_string>
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        remember_name remember_end opt_ident opt_db text_or_password
        opt_constraint constraint
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%type <string>
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        text_string opt_gconcat_separator
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%type <num>
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        type int_type real_type order_dir lock_option
        udf_type if_exists opt_local opt_table_options table_options
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        table_option opt_if_not_exists opt_no_write_to_binlog
        delete_option opt_temporary all_or_any opt_distinct
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        opt_ignore_leaves fulltext_options spatial_type union_option
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        start_transaction_opts opt_chain opt_release
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        union_opt select_derived_init option_type2
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        opt_natural_language_mode opt_query_expansion
        opt_ev_status opt_ev_on_completion ev_on_completion opt_ev_comment
        ev_alter_on_schedule_completion opt_ev_rename_to opt_ev_sql_stmt
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%type <ulong_num>
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        ulong_num real_ulong_num merge_insert_types
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%type <ulonglong_number>
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        ulonglong_num real_ulonglong_num size_number
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%type <p_elem_value>
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        part_bit_expr

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%type <lock_type>
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        replace_lock_option opt_low_priority insert_lock_option load_data_lock
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%type <item>
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        literal text_literal insert_ident order_ident
        simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
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        variable variable_aux bool_pri
        predicate bit_expr
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        table_wild simple_expr udf_expr
        expr_or_default set_expr_or_default interval_expr
        param_marker geometry_function
        signed_literal now_or_signed_literal opt_escape
        sp_opt_default
        simple_ident_nospvar simple_ident_q
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        field_or_var limit_option
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        part_func_expr
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        function_call_keyword
        function_call_nonkeyword
        function_call_generic
        function_call_conflict
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%type <item_num>
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        NUM_literal
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%type <item_list>
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        expr_list opt_udf_expr_list udf_expr_list when_list
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        ident_list ident_list_arg opt_expr_list
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%type <var_type>
        option_type opt_var_type opt_var_ident_type

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%type <key_type>
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        key_type opt_unique_or_fulltext constraint_key_type
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%type <key_alg>
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        btree_or_rtree
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%type <string_list>
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        using_list
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%type <key_part>
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        key_part
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%type <table_list>
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        join_table_list  join_table
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        table_factor table_ref
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        select_derived derived_table_list
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%type <date_time_type> date_time_type;
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%type <interval> interval

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%type <interval_time_st> interval_time_st

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%type <db_type> storage_engines known_storage_engines
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%type <row_type> row_types

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%type <tx_isolation> isolation_types
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%type <ha_rkey_mode> handler_rkey_mode

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%type <cast_type> cast_type
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%type <udf_type> udf_func_type

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%type <symbol> keyword keyword_sp
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%type <lex_user> user grant_user
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%type <charset>
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        opt_collate
        charset_name
        charset_name_or_default
        old_or_new_charset_name
        old_or_new_charset_name_or_default
        collation_name
        collation_name_or_default
        opt_load_data_charset
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        UNDERSCORE_CHARSET
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%type <variable> internal_variable_name

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%type <select_lex> subselect subselect_init
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        get_select_lex
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%type <boolfunc2creator> comp_op

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%type <NONE>
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        query verb_clause create change select do drop insert replace insert2
        insert_values update delete truncate rename
        show describe load alter optimize keycache preload flush
        reset purge begin commit rollback savepoint release
        slave master_def master_defs master_file_def slave_until_opts
        repair restore backup analyze check start checksum
        field_list field_list_item field_spec kill column_def key_def
        keycache_list assign_to_keycache preload_list preload_keys
        select_item_list select_item values_list no_braces
        opt_limit_clause delete_limit_clause fields opt_values values
        procedure_list procedure_list2 procedure_item
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        handler
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        opt_precision opt_ignore opt_column opt_restrict
        grant revoke set lock unlock string_list field_options field_option
        field_opt_list opt_binary table_lock_list table_lock
        ref_list opt_on_delete opt_on_delete_list opt_on_delete_item use
        opt_delete_options opt_delete_option varchar nchar nvarchar
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        opt_outer table_list table_name table_alias_ref_list table_alias_ref
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	opt_option opt_place
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        opt_attribute opt_attribute_list attribute column_list column_list_id
        opt_column_list grant_privileges grant_ident grant_list grant_option
        object_privilege object_privilege_list user_list rename_list
        clear_privileges flush_options flush_option
        equal optional_braces
        opt_mi_check_type opt_to mi_check_types normal_join
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        table_to_table_list table_to_table opt_table_list opt_as
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        handler_rkey_function handler_read_or_scan
        single_multi table_wild_list table_wild_one opt_wild
        union_clause union_list
        precision subselect_start opt_and charset
        subselect_end select_var_list select_var_list_init help opt_len
        opt_extended_describe
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        prepare prepare_src execute deallocate
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        statement sp_suid
        sp_c_chistics sp_a_chistics sp_chistic sp_c_chistic xa
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        load_data opt_field_or_var_spec fields_or_vars opt_load_data_set_spec
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        definer view_replace_or_algorithm view_replace
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        view_algorithm view_or_trigger_or_sp_or_event
        view_or_trigger_or_sp_or_event_tail
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        view_suid view_tail view_list_opt view_list view_select
        view_check_option trigger_tail sp_tail
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        install uninstall partition_entry binlog_base64_event
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        init_key_options key_options key_opts key_opt key_using_alg
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        server_def server_options_list server_option
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END_OF_INPUT
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%type <NONE> call sp_proc_stmts sp_proc_stmts1 sp_proc_stmt
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%type <NONE> sp_proc_stmt_statement sp_proc_stmt_return
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%type <NONE> sp_proc_stmt_if
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%type <NONE> sp_labeled_control sp_proc_stmt_unlabeled sp_proc_stmt_leave
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%type <NONE> sp_proc_stmt_iterate
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%type <NONE> sp_proc_stmt_open sp_proc_stmt_fetch sp_proc_stmt_close
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%type <NONE> case_stmt_specification simple_case_stmt searched_case_stmt
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%type <num>  sp_decl_idents sp_opt_inout sp_handler_type sp_hcond_list
%type <spcondtype> sp_cond sp_hcond
%type <spblock> sp_decls sp_decl
%type <lex> sp_cursor_stmt
%type <spname> sp_name
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%type <index_hint> index_hint_type
%type <num> index_hint_clause
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%type <NONE>
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        '-' '+' '*' '/' '%' '(' ')'
        ',' '!' '{' '}' '&' '|' AND_SYM OR_SYM OR_OR_SYM BETWEEN_SYM CASE_SYM
        THEN_SYM WHEN_SYM DIV_SYM MOD_SYM OR2_SYM AND_AND_SYM
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%%

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/*
  Indentation of grammar rules:

rule: <-- starts at col 1
          rule1a rule1b rule1c <-- starts at col 11
          { <-- starts at col 11
            code <-- starts at col 13, indentation is 2 spaces
          }
        | rule2a rule2b
          {
            code
          }
        ; <-- on a line by itself, starts at col 9

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  Also, please do not use any <TAB>, but spaces.
  Having a uniform indentation in this file helps
  code reviews, patches, merges, and make maintenance easier.
  Tip: grep [[:cntrl:]] sql_yacc.yy
  Thanks.
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*/
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query:
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          END_OF_INPUT
          {
            THD *thd= YYTHD;
            if (!thd->bootstrap &&
              (!(thd->lex->select_lex.options & OPTION_FOUND_COMMENT)))
            {
              my_message(ER_EMPTY_QUERY, ER(ER_EMPTY_QUERY), MYF(0));
              MYSQL_YYABORT;
            }
            else
            {
              thd->lex->sql_command= SQLCOM_EMPTY_QUERY;
            }
          }
        | verb_clause END_OF_INPUT {}
        ;
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verb_clause:
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          statement
        | begin
        ;
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/* Verb clauses, except begin */
statement:
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          alter
        | analyze
        | backup
        | binlog_base64_event
        | call
        | change
        | check
        | checksum
        | commit
        | create
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        | deallocate
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        | delete
        | describe
        | do
        | drop
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        | execute
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        | flush
        | grant
        | handler
        | help
        | insert
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        | install
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        | kill
        | load
        | lock
        | optimize
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        | keycache
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        | partition_entry
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        | preload
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        | prepare
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        | purge
        | release
        | rename
        | repair
        | replace
        | reset
        | restore
        | revoke
        | rollback
        | savepoint
        | select
        | set
        | show
        | slave
        | start
        | truncate
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        | uninstall
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        | unlock
        | update
        | use
        | xa
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        ;
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deallocate:
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          deallocate_or_drop PREPARE_SYM ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->sql_command= SQLCOM_DEALLOCATE_PREPARE;
            lex->prepared_stmt_name= $3;
          }
        ;
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deallocate_or_drop:
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          DEALLOCATE_SYM
        | DROP
        ;
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prepare:
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          PREPARE_SYM ident FROM prepare_src
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->sql_command= SQLCOM_PREPARE;
            lex->prepared_stmt_name= $2;
          }
        ;
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prepare_src:
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          TEXT_STRING_sys
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->prepared_stmt_code= $1;
            lex->prepared_stmt_code_is_varref= FALSE;
          }
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        | '@' ident_or_text
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          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->prepared_stmt_code= $2;
            lex->prepared_stmt_code_is_varref= TRUE;
          }
        ;
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execute:
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          EXECUTE_SYM ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->sql_command= SQLCOM_EXECUTE;
            lex->prepared_stmt_name= $2;
          }
          execute_using
          {}
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        ;

execute_using:
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          /* nothing */
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        | USING execute_var_list
        ;

execute_var_list:
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          execute_var_list ',' execute_var_ident
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        | execute_var_ident
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        ;

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execute_var_ident:
          '@' ident_or_text
          {
            LEX *lex=Lex;
            LEX_STRING *lexstr= (LEX_STRING*)sql_memdup(&$2, sizeof(LEX_STRING));
            if (!lexstr || lex->prepared_stmt_params.push_back(lexstr))
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              MYSQL_YYABORT;
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          }
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        ;

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/* help */

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help:
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          HELP_SYM
          {
            if (Lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "HELP");
              MYSQL_YYABORT;
            }
          }
          ident_or_text
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_HELP;
            lex->help_arg= $3.str;
          }
        ;
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/* change master */

change:
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          CHANGE MASTER_SYM TO_SYM
          {
            LEX *lex = Lex;
            lex->sql_command = SQLCOM_CHANGE_MASTER;
            bzero((char*) &lex->mi, sizeof(lex->mi));
          }
          master_defs
          {}
        ;
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master_defs:
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          master_def
        | master_defs ',' master_def
        ;
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master_def:
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          MASTER_HOST_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.host = $3.str;
          }
        | MASTER_USER_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.user = $3.str;
          }
        | MASTER_PASSWORD_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.password = $3.str;
          }
        | MASTER_PORT_SYM EQ ulong_num
          {
            Lex->mi.port = $3;
          }
        | MASTER_CONNECT_RETRY_SYM EQ ulong_num
          {
            Lex->mi.connect_retry = $3;
          }
        | MASTER_SSL_SYM EQ ulong_num
          {
            Lex->mi.ssl= $3 ? 
              LEX_MASTER_INFO::SSL_ENABLE : LEX_MASTER_INFO::SSL_DISABLE;
          }
        | MASTER_SSL_CA_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.ssl_ca= $3.str;
          }
        | MASTER_SSL_CAPATH_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.ssl_capath= $3.str;
          }
        | MASTER_SSL_CERT_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.ssl_cert= $3.str;
          }
        | MASTER_SSL_CIPHER_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.ssl_cipher= $3.str;
          }
        | MASTER_SSL_KEY_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.ssl_key= $3.str;
          }
        | MASTER_SSL_VERIFY_SERVER_CERT_SYM EQ ulong_num
          {
            Lex->mi.ssl_verify_server_cert= $3 ?
              LEX_MASTER_INFO::SSL_ENABLE : LEX_MASTER_INFO::SSL_DISABLE;
          }
        | master_file_def
        ;
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master_file_def:
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          MASTER_LOG_FILE_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.log_file_name = $3.str;
          }
        | MASTER_LOG_POS_SYM EQ ulonglong_num
          {
            Lex->mi.pos = $3;
            /* 
               If the user specified a value < BIN_LOG_HEADER_SIZE, adjust it
               instead of causing subsequent errors. 
               We need to do it in this file, because only there we know that 
               MASTER_LOG_POS has been explicitely specified. On the contrary
               in change_master() (sql_repl.cc) we cannot distinguish between 0
               (MASTER_LOG_POS explicitely specified as 0) and 0 (unspecified),
               whereas we want to distinguish (specified 0 means "read the binlog
               from 0" (4 in fact), unspecified means "don't change the position
               (keep the preceding value)").
            */
            Lex->mi.pos = max(BIN_LOG_HEADER_SIZE, Lex->mi.pos);
          }
        | RELAY_LOG_FILE_SYM EQ TEXT_STRING_sys
          {
            Lex->mi.relay_log_name = $3.str;
          }
        | RELAY_LOG_POS_SYM EQ ulong_num
          {
            Lex->mi.relay_log_pos = $3;
            /* Adjust if < BIN_LOG_HEADER_SIZE (same comment as Lex->mi.pos) */
            Lex->mi.relay_log_pos = max(BIN_LOG_HEADER_SIZE, Lex->mi.relay_log_pos);
          }
        ;
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/* create a table */

create:
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          CREATE opt_table_options TABLE_SYM opt_if_not_exists table_ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->sql_command= SQLCOM_CREATE_TABLE;
            if (!lex->select_lex.add_table_to_list(thd, $5, NULL,
                                                   TL_OPTION_UPDATING,
                                                   TL_WRITE))
              MYSQL_YYABORT;
            lex->alter_info.reset();
            lex->col_list.empty();
            lex->change=NullS;
            bzero((char*) &lex->create_info,sizeof(lex->create_info));
            lex->create_info.options=$2 | $4;
            lex->create_info.db_type= ha_default_handlerton(thd);
            lex->create_info.default_table_charset= NULL;
            lex->name.str= 0;
            lex->name.length= 0;
          }
          create2
          {
            LEX *lex= YYTHD->lex;
            lex->current_select= &lex->select_lex; 
            if (!lex->create_info.db_type)
            {
              lex->create_info.db_type= ha_default_handlerton(YYTHD);
              push_warning_printf(YYTHD, MYSQL_ERROR::WARN_LEVEL_WARN,
                                  ER_WARN_USING_OTHER_HANDLER,
                                  ER(ER_WARN_USING_OTHER_HANDLER),
                                  ha_resolve_storage_engine_name(lex->create_info.db_type),
                                  $5->table.str);
            }
          }
        | CREATE opt_unique_or_fulltext INDEX_SYM ident key_alg ON
          table_ident
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_CREATE_INDEX;
            if (!lex->current_select->add_table_to_list(lex->thd, $7,
                                                        NULL,
                                                        TL_OPTION_UPDATING))
              MYSQL_YYABORT;
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            lex->alter_info.reset();
            lex->alter_info.flags= ALTER_ADD_INDEX;
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            lex->col_list.empty();
            lex->change=NullS;
          }
          '(' key_list ')' key_options
          {
            LEX *lex=Lex;
1657
            Key *key;
1658 1659 1660 1661 1662
            if ($2 != Key::FULLTEXT && lex->key_create_info.parser_name.str)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
1663 1664 1665
            key= new Key($2, $4.str, &lex->key_create_info, 0,
                         lex->col_list);
            lex->alter_info.key_list.push_back(key);
1666
            lex->col_list.empty();
1667
          }
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        | CREATE DATABASE opt_if_not_exists ident
          {
            Lex->create_info.default_table_charset= NULL;
            Lex->create_info.used_fields= 0;
          }
          opt_create_database_options
          {
            LEX *lex=Lex;
            lex->sql_command=SQLCOM_CREATE_DB;
            lex->name= $4;
1678
            lex->create_info.options=$3;
1679 1680 1681
          }
        | CREATE
          {
1682 1683 1684 1685
            Lex->create_view_mode= VIEW_CREATE_NEW;
            Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
            Lex->create_view_suid= TRUE;
          }
1686 1687 1688 1689 1690 1691 1692
          view_or_trigger_or_sp_or_event
          {}
        | CREATE USER clear_privileges grant_list
          {
            Lex->sql_command = SQLCOM_CREATE_USER;
          }
        | CREATE LOGFILE_SYM GROUP_SYM logfile_group_info 
1693
          {
1694
            Lex->alter_tablespace_info->ts_cmd_type= CREATE_LOGFILE_GROUP;
1695 1696 1697
          }
        | CREATE TABLESPACE tablespace_info
          {
1698
            Lex->alter_tablespace_info->ts_cmd_type= CREATE_TABLESPACE;
1699
          }
1700 1701 1702
        | CREATE server_def
          {
            Lex->sql_command= SQLCOM_CREATE_SERVER;
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          }
1704 1705
        ;

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server_def:
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          SERVER_SYM
          ident_or_text
          FOREIGN DATA_SYM WRAPPER_SYM
          ident_or_text
          OPTIONS_SYM '(' server_options_list ')'
          {
            Lex->server_options.server_name= $2.str;
            Lex->server_options.server_name_length= $2.length;
            Lex->server_options.scheme= $6.str;
          }
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        ;
1718

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server_options_list:
1720
          server_option
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        | server_options_list ',' server_option
        ;

server_option:
1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752
          USER TEXT_STRING_sys
          {
            Lex->server_options.username= $2.str;
          }
        | HOST_SYM TEXT_STRING_sys
          {
            Lex->server_options.host= $2.str;
          }
        | DATABASE TEXT_STRING_sys
          {
            Lex->server_options.db= $2.str;
          }
        | OWNER_SYM TEXT_STRING_sys
          {
            Lex->server_options.owner= $2.str;
          }
        | PASSWORD TEXT_STRING_sys
          {
            Lex->server_options.password= $2.str;
          }
        | SOCKET_SYM TEXT_STRING_sys
          {
            Lex->server_options.socket= $2.str;
          }
        | PORT_SYM ulong_num
          {
            Lex->server_options.port= $2;
          }
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1753
        ;
1754 1755 1756

event_tail:
          EVENT_SYM opt_if_not_exists sp_name
1757
          /*
1758 1759
            BE CAREFUL when you add a new rule to update the block where
            YYTHD->client_capabilities is set back to original value
1760
          */
1761
          {
1762 1763
            THD *thd= YYTHD;
            LEX *lex=Lex;
1764

1765 1766 1767
            lex->create_info.options= $2;

            if (!(lex->event_parse_data= Event_parse_data::new_instance(thd)))
1768
              MYSQL_YYABORT;
1769
            lex->event_parse_data->identifier= $3;
1770

1771 1772 1773 1774 1775
            /*
              We have to turn of CLIENT_MULTI_QUERIES while parsing a
              stored procedure, otherwise yylex will chop it into pieces
              at each ';'.
            */
1776 1777
            $<ulong_num>$= thd->client_capabilities & CLIENT_MULTI_QUERIES;
            thd->client_capabilities &= (~CLIENT_MULTI_QUERIES);
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1778

1779
            lex->sql_command= SQLCOM_CREATE_EVENT;
1780
            /* We need that for disallowing subqueries */
1781 1782
          }
          ON SCHEDULE_SYM ev_schedule_time
1783 1784 1785
          opt_ev_on_completion
          opt_ev_status
          opt_ev_comment
1786 1787
          DO_SYM ev_sql_stmt
          {
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1788
            /*
1789
              Restore flag if it was cleared above
1790 1791 1792 1793
              $1 - EVENT_SYM
              $2 - opt_if_not_exists
              $3 - sp_name
              $4 - the block above
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1794
            */
1795
            YYTHD->client_capabilities |= $<ulong_num>4;
1796

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            /*
              sql_command is set here because some rules in ev_sql_stmt
              can overwrite it
            */
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1801
            Lex->sql_command= SQLCOM_CREATE_EVENT;
1802
          }
1803
        ;
1804

1805 1806 1807
ev_schedule_time:
          EVERY_SYM expr interval
          {
1808 1809
            Lex->event_parse_data->item_expression= $2;
            Lex->event_parse_data->interval= $3;
1810 1811 1812 1813 1814
          }
          ev_starts
          ev_ends
        | AT_SYM expr
          {
1815
            Lex->event_parse_data->item_execute_at= $2;
1816
          }
1817
        ;
1818

1819 1820
opt_ev_status:
          /* empty */ { $$= 0; }
1821
        | ENABLE_SYM
1822
          {
1823 1824 1825
            Lex->event_parse_data->status= Event_basic::ENABLED;
            $$= 1;
          }
1826
        | DISABLE_SYM ON SLAVE
1827 1828
          {
            Lex->event_parse_data->status= Event_basic::SLAVESIDE_DISABLED;
1829
            $$= 1;
1830
          }
1831
        | DISABLE_SYM
1832
          {
1833
            Lex->event_parse_data->status= Event_basic::DISABLED;
1834
            $$= 1;
1835
          }
1836
        ;
1837

1838 1839
ev_starts:
          /* empty */
1840
          {
1841
            Lex->event_parse_data->item_starts= new Item_func_now_local();
1842
          }
1843 1844
        | STARTS_SYM expr
          {
1845
            Lex->event_parse_data->item_starts= $2;
1846
          }
1847
        ;
1848

1849 1850
ev_ends:
          /* empty */
1851 1852
        | ENDS_SYM expr
          {
1853
            Lex->event_parse_data->item_ends= $2;
1854
          }
1855
        ;
1856

1857 1858
opt_ev_on_completion:
          /* empty */ { $$= 0; }
1859
        | ev_on_completion
1860
        ;
1861

1862
ev_on_completion:
1863
          ON COMPLETION_SYM PRESERVE_SYM
1864
          {
1865
            Lex->event_parse_data->on_completion=
1866
                                  Event_basic::ON_COMPLETION_PRESERVE;
1867
            $$= 1;
1868 1869 1870
          }
        | ON COMPLETION_SYM NOT_SYM PRESERVE_SYM
          {
1871
            Lex->event_parse_data->on_completion=
1872
                                  Event_basic::ON_COMPLETION_DROP;
1873
            $$= 1;
1874
          }
1875
        ;
1876

1877 1878
opt_ev_comment:
          /* empty */ { $$= 0; }
1879 1880
        | COMMENT_SYM TEXT_STRING_sys
          {
1881
            Lex->comment= Lex->event_parse_data->comment= $2;
1882
            $$= 1;
1883
          }
1884
        ;
1885 1886 1887

ev_sql_stmt:
          {
1888 1889 1890
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
1891

1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909
            /*
              This stops the following :
              - CREATE EVENT ... DO CREATE EVENT ...;
              - ALTER  EVENT ... DO CREATE EVENT ...;
              - CREATE EVENT ... DO ALTER EVENT DO ....;
              - CREATE PROCEDURE ... BEGIN CREATE EVENT ... END|
              This allows:
              - CREATE EVENT ... DO DROP EVENT yyy;
              - CREATE EVENT ... DO ALTER EVENT yyy;
                (the nested ALTER EVENT can have anything but DO clause)
              - ALTER  EVENT ... DO ALTER EVENT yyy;
                (the nested ALTER EVENT can have anything but DO clause)
              - ALTER  EVENT ... DO DROP EVENT yyy;
              - CREATE PROCEDURE ... BEGIN ALTER EVENT ... END|
                (the nested ALTER EVENT can have anything but DO clause)
              - CREATE PROCEDURE ... BEGIN DROP EVENT ... END|
            */
            if (lex->sphead)
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1910
            {
1911
              my_error(ER_EVENT_RECURSION_FORBIDDEN, MYF(0));
1912
              MYSQL_YYABORT;
1913 1914 1915
            }
              
            if (!(lex->sphead= new sp_head()))
1916
              MYSQL_YYABORT;
1917

1918
            lex->sphead->reset_thd_mem_root(thd);
1919
            lex->sphead->init(lex);
1920
            lex->sphead->init_sp_name(thd, lex->event_parse_data->identifier);
1921

1922
            lex->sphead->m_type= TYPE_ENUM_PROCEDURE;
1923

1924 1925
            bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
            lex->sphead->m_chistics= &lex->sp_chistics;
1926

1927
            lex->sphead->set_body_start(thd, lip->get_cpp_ptr());
1928 1929 1930
          }
          ev_sql_stmt_inner
          {
1931 1932
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
1933

1934
            /* return back to the original memory root ASAP */
1935
            lex->sphead->set_stmt_end(thd);
1936
            lex->sphead->restore_thd_mem_root(thd);
1937

1938
            lex->sp_chistics.suid= SP_IS_SUID;  //always the definer!
1939

1940
            lex->event_parse_data->body_changed= TRUE;
1941
          }
1942
        ;
1943

1944 1945 1946 1947
ev_sql_stmt_inner:
          sp_proc_stmt_statement
        | sp_proc_stmt_return
        | sp_proc_stmt_if
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1948
        | case_stmt_specification
1949
        | sp_labeled_control
1950 1951 1952 1953 1954 1955
        | sp_proc_stmt_unlabeled
        | sp_proc_stmt_leave
        | sp_proc_stmt_iterate
        | sp_proc_stmt_open
        | sp_proc_stmt_fetch
        | sp_proc_stmt_close
1956
        ;
1957

1958
clear_privileges:
1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970
          /* Nothing */
          {
           LEX *lex=Lex;
           lex->users_list.empty();
           lex->columns.empty();
           lex->grant= lex->grant_tot_col= 0;
           lex->all_privileges= 0;
           lex->select_lex.db= 0;
           lex->ssl_type= SSL_TYPE_NOT_SPECIFIED;
           lex->ssl_cipher= lex->x509_subject= lex->x509_issuer= 0;
           bzero((char *)&(lex->mqh),sizeof(lex->mqh));
         }
1971 1972
        ;

1973
sp_name:
1974 1975
          ident '.' ident
          {
1976
            if (!$1.str || check_db_name(&$1))
1977
            {
1978 1979 1980 1981
              my_error(ER_WRONG_DB_NAME, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
            if (check_routine_name(&$3))
1982
            {
1983 1984 1985 1986 1987 1988 1989
              MYSQL_YYABORT;
            }
            $$= new sp_name($1, $3, true);
            $$->init_qname(YYTHD);
          }
        | ident
          {
1990 1991
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
1992
            LEX_STRING db;
1993
            if (check_routine_name(&$1))
1994
            {
1995 1996
              MYSQL_YYABORT;
            }
1997
            if (lex->copy_db_to(&db.str, &db.length))
1998
              MYSQL_YYABORT;
1999
            $$= new sp_name(db, $1, false);
2000
            if ($$)
2001 2002 2003
              $$->init_qname(thd);
          }
        ;
2004 2005

create_function_tail:
2006 2007
          RETURNS_SYM udf_type SONAME_SYM TEXT_STRING_sys
          {
2008
            THD *thd= YYTHD;
2009
            LEX *lex= thd->lex;
2010 2011 2012
            if (lex->definer != NULL)
            {
              /*
2013 2014 2015 2016
                DEFINER is a concept meaningful when interpreting SQL code.
                UDF functions are compiled.
                Using DEFINER with UDF has therefore no semantic,
                and is considered a parsing error.
2017
              */
2018
              my_error(ER_WRONG_USAGE, MYF(0), "SONAME", "DEFINER");
2019
              MYSQL_YYABORT;
2020
            }
2021 2022 2023 2024
            if (is_native_function(thd, & lex->spname->m_name))
            {
              my_error(ER_NATIVE_FCT_NAME_COLLISION, MYF(0),
                       lex->spname->m_name.str);
2025
              MYSQL_YYABORT;
2026
            }
2027 2028 2029 2030 2031 2032 2033
            lex->sql_command = SQLCOM_CREATE_FUNCTION;
            lex->udf.name = lex->spname->m_name;
            lex->udf.returns=(Item_result) $2;
            lex->udf.dl=$4.str;
          }
        | '('
          {
2034 2035 2036
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
2037
            sp_head *sp;
2038
            const char* tmp_param_begin;
2039

2040 2041 2042 2043 2044 2045 2046
            /* 
              First check if AGGREGATE was used, in that case it's a
              syntax error.
            */
            if (lex->udf.type == UDFTYPE_AGGREGATE)
            {
              my_error(ER_SP_NO_AGGREGATE, MYF(0));
2047
              MYSQL_YYABORT;
2048 2049
            }

2050 2051 2052 2053 2054 2055 2056 2057 2058
            if (lex->sphead)
            {
              my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "FUNCTION");
              MYSQL_YYABORT;
            }
            /* Order is important here: new - reset - init */
            sp= new sp_head();
            sp->reset_thd_mem_root(thd);
            sp->init(lex);
2059
            sp->init_sp_name(thd, lex->spname);
2060

2061 2062 2063 2064 2065 2066 2067
            sp->m_type= TYPE_ENUM_FUNCTION;
            lex->sphead= sp;
            /*
              We have to turn off CLIENT_MULTI_QUERIES while parsing a
              stored procedure, otherwise yylex will chop it into pieces
              at each ';'.
            */
2068
            $<ulong_num>$= thd->client_capabilities & CLIENT_MULTI_QUERIES;
2069
            thd->client_capabilities &= ~CLIENT_MULTI_QUERIES;
2070 2071 2072 2073

            tmp_param_begin= lip->get_cpp_tok_start();
            tmp_param_begin++;
            lex->sphead->m_param_begin= tmp_param_begin;
2074
          }
2075
          sp_fdparam_list ')'
2076
          {
2077 2078 2079
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
2080

2081
            lex->sphead->m_param_end= lip->get_cpp_tok_start();
2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094
          }
          RETURNS_SYM
          {
            LEX *lex= Lex;
            lex->charset= NULL;
            lex->length= lex->dec= NULL;
            lex->interval_list.empty();
            lex->type= 0;
          }
          type
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
2095 2096 2097 2098 2099
            /*
              This was disabled in 5.1.12. See bug #20701
              When collation support in SP is implemented, then this test
              should be removed.
            */
2100
            if (($8 == MYSQL_TYPE_STRING || $8 == MYSQL_TYPE_VARCHAR)
2101 2102 2103
                && (lex->type & BINCMP_FLAG))
            {
              my_error(ER_NOT_SUPPORTED_YET, MYF(0), "return value collation");
2104
              MYSQL_YYABORT;
2105
            }
2106

2107 2108 2109
            if (sp->fill_field_definition(YYTHD, lex,
                                          (enum enum_field_types) $8,
                                          &sp->m_return_field_def))
2110
              MYSQL_YYABORT;
2111

2112 2113 2114 2115
            bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
          sp_c_chistics
          {
2116 2117 2118
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
2119

2120
            lex->sphead->m_chistics= &lex->sp_chistics;
2121
            lex->sphead->set_body_start(thd, lip->get_cpp_tok_start());
2122 2123 2124
          }
          sp_proc_stmt
          {
2125
            THD *thd= YYTHD;
2126 2127
            LEX *lex= thd->lex;
            sp_head *sp= lex->sphead;
2128

2129
            if (sp->is_not_allowed_in_function("function"))
2130
              MYSQL_YYABORT;
2131

2132 2133
            lex->sql_command= SQLCOM_CREATE_SPFUNCTION;
            sp->set_stmt_end(thd);
2134 2135 2136
            if (!(sp->m_flags & sp_head::HAS_RETURN))
            {
              my_error(ER_SP_NORETURN, MYF(0), sp->m_qname.str);
2137
              MYSQL_YYABORT;
2138
            }
2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173
            if (is_native_function(thd, & sp->m_name))
            {
              /*
                This warning will be printed when
                [1] A client query is parsed,
                [2] A stored function is loaded by db_load_routine.
                Printing the warning for [2] is intentional, to cover the
                following scenario:
                - A user define a SF 'foo' using MySQL 5.N
                - An application uses select foo(), and works.
                - MySQL 5.{N+1} defines a new native function 'foo', as
                part of a new feature.
                - MySQL 5.{N+1} documentation is updated, and should mention
                that there is a potential incompatible change in case of
                existing stored function named 'foo'.
                - The user deploys 5.{N+1}. At this point, 'select foo()'
                means something different, and the user code is most likely
                broken (it's only safe if the code is 'select db.foo()').
                With a warning printed when the SF is loaded (which has to occur
                before the call), the warning will provide a hint explaining
                the root cause of a later failure of 'select foo()'.
                With no warning printed, the user code will fail with no
                apparent reason.
                Printing a warning each time db_load_routine is executed for
                an ambiguous function is annoying, since that can happen a lot,
                but in practice should not happen unless there *are* name
                collisions.
                If a collision exists, it should not be silenced but fixed.
              */
              push_warning_printf(thd,
                                  MYSQL_ERROR::WARN_LEVEL_NOTE,
                                  ER_NATIVE_FCT_NAME_COLLISION,
                                  ER(ER_NATIVE_FCT_NAME_COLLISION),
                                  sp->m_name.str);
            }
2174 2175 2176 2177 2178
            /* Restore flag if it was cleared above */
            thd->client_capabilities |= $<ulong_num>2;
            sp->restore_thd_mem_root(thd);
          }
        ;
2179 2180

sp_a_chistics:
2181 2182 2183
          /* Empty */ {}
        | sp_a_chistics sp_chistic {}
        ;
2184 2185

sp_c_chistics:
2186 2187 2188
          /* Empty */ {}
        | sp_c_chistics sp_c_chistic {}
        ;
2189 2190 2191

/* Characteristics for both create and alter */
sp_chistic:
2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206
          COMMENT_SYM TEXT_STRING_sys
          { Lex->sp_chistics.comment= $2; }
        | LANGUAGE_SYM SQL_SYM
          { /* Just parse it, we only have one language for now. */ }
        | NO_SYM SQL_SYM
          { Lex->sp_chistics.daccess= SP_NO_SQL; }
        | CONTAINS_SYM SQL_SYM
          { Lex->sp_chistics.daccess= SP_CONTAINS_SQL; }
        | READS_SYM SQL_SYM DATA_SYM
          { Lex->sp_chistics.daccess= SP_READS_SQL_DATA; }
        | MODIFIES_SYM SQL_SYM DATA_SYM
          { Lex->sp_chistics.daccess= SP_MODIFIES_SQL_DATA; }
        | sp_suid
          {}
        ;
2207 2208 2209

/* Create characteristics */
sp_c_chistic:
2210 2211 2212 2213
          sp_chistic            { }
        | DETERMINISTIC_SYM     { Lex->sp_chistics.detistic= TRUE; }
        | not DETERMINISTIC_SYM { Lex->sp_chistics.detistic= FALSE; }
        ;
2214 2215

sp_suid:
2216 2217 2218 2219 2220 2221 2222 2223 2224
          SQL_SYM SECURITY_SYM DEFINER_SYM
          {
            Lex->sp_chistics.suid= SP_IS_SUID;
          }
        | SQL_SYM SECURITY_SYM INVOKER_SYM
          {
            Lex->sp_chistics.suid= SP_IS_NOT_SUID;
          }
        ;
2225 2226

call:
2227 2228 2229
          CALL_SYM sp_name
          {
            LEX *lex = Lex;
2230

2231 2232 2233 2234 2235
            lex->sql_command= SQLCOM_CALL;
            lex->spname= $2;
            lex->value_list.empty();
            sp_add_used_routine(lex, YYTHD, $2, TYPE_ENUM_PROCEDURE);
          }
2236
          opt_sp_cparam_list {}
2237
        ;
2238 2239

/* CALL parameters */
2240
opt_sp_cparam_list:
2241 2242 2243
          /* Empty */
        | '(' opt_sp_cparams ')'
        ;
2244

2245 2246 2247 2248 2249
opt_sp_cparams:
          /* Empty */
        | sp_cparams
        ;

2250
sp_cparams:
2251 2252 2253 2254 2255 2256 2257 2258 2259
          sp_cparams ',' expr
          {
           Lex->value_list.push_back($3);
          }
        | expr
          {
            Lex->value_list.push_back($1);
          }
        ;
2260 2261 2262

/* Stored FUNCTION parameter declaration list */
sp_fdparam_list:
2263 2264 2265
          /* Empty */
        | sp_fdparams
        ;
2266 2267

sp_fdparams:
2268 2269 2270
          sp_fdparams ',' sp_fdparam
        | sp_fdparam
        ;
2271

2272
sp_init_param:
2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290
          /* Empty */
          {
            LEX *lex= Lex;

            lex->length= 0;
            lex->dec= 0;
            lex->type= 0;

            lex->default_value= 0;
            lex->on_update_value= 0;

            lex->comment= null_lex_str;
            lex->charset= NULL;

            lex->interval_list.empty();
            lex->uint_geom_type= 0;
          }
        ;
2291

2292
sp_fdparam:
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302
          ident sp_init_param type
          {
            LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;

            if (spc->find_variable(&$1, TRUE))
            {
              my_error(ER_SP_DUP_PARAM, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
2303 2304 2305
            sp_variable_t *spvar= spc->push_variable(&$1,
                                                     (enum enum_field_types)$3,
                                                     sp_param_in);
2306 2307 2308

            if (lex->sphead->fill_field_definition(YYTHD, lex,
                                                   (enum enum_field_types) $3,
2309
                                                   &spvar->field_def))
2310
            {
2311
              MYSQL_YYABORT;
2312
            }
2313 2314
            spvar->field_def.field_name= spvar->name.str;
            spvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
2315 2316
          }
        ;
2317 2318 2319

/* Stored PROCEDURE parameter declaration list */
sp_pdparam_list:
2320 2321 2322
          /* Empty */
        | sp_pdparams
        ;
2323 2324

sp_pdparams:
2325 2326 2327
          sp_pdparams ',' sp_pdparam
        | sp_pdparam
        ;
2328 2329

sp_pdparam:
2330 2331 2332 2333 2334 2335 2336 2337 2338 2339
          sp_opt_inout sp_init_param ident type
          {
            LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;

            if (spc->find_variable(&$3, TRUE))
            {
              my_error(ER_SP_DUP_PARAM, MYF(0), $3.str);
              MYSQL_YYABORT;
            }
2340 2341 2342
            sp_variable_t *spvar= spc->push_variable(&$3,
                                                     (enum enum_field_types)$4,
                                                     (sp_param_mode_t)$1);
2343 2344 2345

            if (lex->sphead->fill_field_definition(YYTHD, lex,
                                                   (enum enum_field_types) $4,
2346
                                                   &spvar->field_def))
2347
            {
2348
              MYSQL_YYABORT;
2349
            }
2350 2351
            spvar->field_def.field_name= spvar->name.str;
            spvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
2352 2353
          }
        ;
2354 2355

sp_opt_inout:
2356 2357 2358 2359 2360
          /* Empty */ { $$= sp_param_in; }
        | IN_SYM      { $$= sp_param_in; }
        | OUT_SYM     { $$= sp_param_out; }
        | INOUT_SYM   { $$= sp_param_inout; }
        ;
2361 2362

sp_proc_stmts:
2363 2364 2365
          /* Empty */ {}
        | sp_proc_stmts  sp_proc_stmt ';'
        ;
2366 2367

sp_proc_stmts1:
2368 2369 2370
          sp_proc_stmt ';' {}
        | sp_proc_stmts1  sp_proc_stmt ';'
        ;
2371 2372

sp_decls:
2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385
          /* Empty */
          {
            $$.vars= $$.conds= $$.hndlrs= $$.curs= 0;
          }
        | sp_decls sp_decl ';'
          {
            /* We check for declarations out of (standard) order this way
              because letting the grammar rules reflect it caused tricky
               shift/reduce conflicts with the wrong result. (And we get
               better error handling this way.) */
            if (($2.vars || $2.conds) && ($1.curs || $1.hndlrs))
            { /* Variable or condition following cursor or handler */
              my_message(ER_SP_VARCOND_AFTER_CURSHNDLR,
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2386
                         ER(ER_SP_VARCOND_AFTER_CURSHNDLR), MYF(0));
2387 2388 2389 2390 2391
              MYSQL_YYABORT;
            }
            if ($2.curs && $1.hndlrs)
            { /* Cursor following handler */
              my_message(ER_SP_CURSOR_AFTER_HANDLER,
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2392
                         ER(ER_SP_CURSOR_AFTER_HANDLER), MYF(0));
2393 2394 2395 2396 2397 2398 2399 2400
              MYSQL_YYABORT;
            }
            $$.vars= $1.vars + $2.vars;
            $$.conds= $1.conds + $2.conds;
            $$.hndlrs= $1.hndlrs + $2.hndlrs;
            $$.curs= $1.curs + $2.curs;
          }
        ;
2401 2402

sp_decl:
2403
          DECLARE_SYM sp_decl_idents
2404
          {
2405
            LEX *lex= Lex;
2406

2407 2408 2409
            lex->sphead->reset_lex(YYTHD);
            lex->spcont->declare_var_boundary($2);
          }
2410
          type
2411
          sp_opt_default
2412 2413
          {
            LEX *lex= Lex;
2414
            sp_pcontext *pctx= lex->spcont;
2415
            uint num_vars= pctx->context_var_count();
2416 2417 2418 2419
            enum enum_field_types var_type= (enum enum_field_types) $4;
            Item *dflt_value_item= $5;
            
            if (!dflt_value_item)
2420
            {
2421 2422 2423 2424 2425 2426
              dflt_value_item= new Item_null();
              /* QQ Set to the var_type with null_value? */
            }
            
            for (uint i = num_vars-$2 ; i < num_vars ; i++)
            {
2427 2428
              uint var_idx= pctx->var_context2runtime(i);
              sp_variable_t *spvar= pctx->find_variable(var_idx);
2429
            
2430
              if (!spvar)
2431
                MYSQL_YYABORT;
2432
            
2433 2434
              spvar->type= var_type;
              spvar->dflt= dflt_value_item;
2435 2436
            
              if (lex->sphead->fill_field_definition(YYTHD, lex, var_type,
2437
                                                     &spvar->field_def))
2438
              {
2439
                MYSQL_YYABORT;
2440 2441
              }
            
2442 2443
              spvar->field_def.field_name= spvar->name.str;
              spvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
2444 2445 2446 2447 2448 2449 2450
            
              /* The last instruction is responsible for freeing LEX. */

              lex->sphead->add_instr(
                new sp_instr_set(lex->sphead->instructions(), pctx, var_idx,
                                 dflt_value_item, var_type, lex,
                                 (i == num_vars - 1)));
2451
            }
2452 2453

            pctx->declare_var_boundary(0);
2454
            lex->sphead->restore_lex(YYTHD);
2455

2456 2457 2458
            $$.vars= $2;
            $$.conds= $$.hndlrs= $$.curs= 0;
          }
2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476
        | DECLARE_SYM ident CONDITION_SYM FOR_SYM sp_cond
          {
            LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;

            if (spc->find_cond(&$2, TRUE))
            {
              my_error(ER_SP_DUP_COND, MYF(0), $2.str);
              MYSQL_YYABORT;
            }
            YYTHD->lex->spcont->push_cond(&$2, $5);
            $$.vars= $$.hndlrs= $$.curs= 0;
            $$.conds= 1;
          }
        | DECLARE_SYM sp_handler_type HANDLER_SYM FOR_SYM
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
2477 2478 2479

            lex->spcont= lex->spcont->push_context(LABEL_HANDLER_SCOPE);

2480 2481
            sp_pcontext *ctx= lex->spcont;
            sp_instr_hpush_jump *i=
2482
              new sp_instr_hpush_jump(sp->instructions(), ctx, $2,
2483
                                      ctx->current_var_count());
2484

2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509
            sp->add_instr(i);
            sp->push_backpatch(i, ctx->push_label((char *)"", 0));
          }
          sp_hcond_list sp_proc_stmt
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *ctx= lex->spcont;
            sp_label_t *hlab= lex->spcont->pop_label(); /* After this hdlr */
            sp_instr_hreturn *i;

            if ($2 == SP_HANDLER_CONTINUE)
            {
              i= new sp_instr_hreturn(sp->instructions(), ctx,
                                      ctx->current_var_count());
              sp->add_instr(i);
            }
            else
            {  /* EXIT or UNDO handler, just jump to the end of the block */
              i= new sp_instr_hreturn(sp->instructions(), ctx, 0);

              sp->add_instr(i);
              sp->push_backpatch(i, lex->spcont->last_label()); /* Block end */
            }
            lex->sphead->backpatch(hlab);
2510 2511 2512

            lex->spcont= ctx->pop_context();

2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530
            $$.vars= $$.conds= $$.curs= 0;
            $$.hndlrs= $6;
            lex->spcont->add_handlers($6);
          }
        | DECLARE_SYM ident CURSOR_SYM FOR_SYM sp_cursor_stmt
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *ctx= lex->spcont;
            uint offp;
            sp_instr_cpush *i;

            if (ctx->find_cursor(&$2, &offp, TRUE))
            {
              my_error(ER_SP_DUP_CURS, MYF(0), $2.str);
              delete $5;
              MYSQL_YYABORT;
            }
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2531
            i= new sp_instr_cpush(sp->instructions(), ctx, $5,
2532
                                  ctx->current_cursor_count());
2533 2534 2535 2536 2537 2538
            sp->add_instr(i);
            ctx->push_cursor(&$2);
            $$.vars= $$.conds= $$.hndlrs= 0;
            $$.curs= 1;
          }
        ;
2539 2540

sp_cursor_stmt:
2541 2542 2543
          {
            Lex->sphead->reset_lex(YYTHD);
          }
2544
          select
2545 2546
          {
            LEX *lex= Lex;
2547

2548 2549
            DBUG_ASSERT(lex->sql_command == SQLCOM_SELECT);

2550 2551 2552
            if (lex->result)
            {
              my_message(ER_SP_BAD_CURSOR_SELECT, ER(ER_SP_BAD_CURSOR_SELECT),
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2553
                         MYF(0));
2554 2555 2556 2557 2558 2559 2560
              MYSQL_YYABORT;
            }
            lex->sp_lex_in_use= TRUE;
            $$= lex;
            lex->sphead->restore_lex(YYTHD);
          }
        ;
2561 2562

sp_handler_type:
2563 2564 2565 2566
          EXIT_SYM      { $$= SP_HANDLER_EXIT; }
        | CONTINUE_SYM  { $$= SP_HANDLER_CONTINUE; }
        /*| UNDO_SYM      { QQ No yet } */
        ;
2567 2568

sp_hcond_list:
2569 2570 2571 2572 2573 2574 2575
          sp_hcond_element
          { $$= 1; }
        | sp_hcond_list ',' sp_hcond_element
          { $$+= 1; }
        ;

sp_hcond_element:
2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589
          sp_hcond
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *ctx= lex->spcont->parent_context();

            if (ctx->find_handler($1))
            {
              my_message(ER_SP_DUP_HANDLER, ER(ER_SP_DUP_HANDLER), MYF(0));
              MYSQL_YYABORT;
            }
            else
            {
              sp_instr_hpush_jump *i=
2590
                (sp_instr_hpush_jump *)sp->last_instruction();
2591

2592 2593 2594 2595 2596
              i->add_condition($1);
              ctx->push_handler($1);
            }
          }
        ;
2597 2598

sp_cond:
2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617
          ulong_num
          { /* mysql errno */
            $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
            $$->type= sp_cond_type_t::number;
            $$->mysqlerr= $1;
          }
        | SQLSTATE_SYM opt_value TEXT_STRING_literal
          { /* SQLSTATE */
            if (!sp_cond_check(&$3))
            {
              my_error(ER_SP_BAD_SQLSTATE, MYF(0), $3.str);
              MYSQL_YYABORT;
            }
            $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
            $$->type= sp_cond_type_t::state;
            memcpy($$->sqlstate, $3.str, 5);
            $$->sqlstate[5]= '\0';
          }
        ;
2618 2619

opt_value:
2620 2621 2622
          /* Empty */  {}
        | VALUE_SYM    {}
        ;
2623 2624

sp_hcond:
2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653
          sp_cond
          {
            $$= $1;
          }
        | ident /* CONDITION name */
          {
            $$= Lex->spcont->find_cond(&$1);
            if ($$ == NULL)
            {
              my_error(ER_SP_COND_MISMATCH, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
          }
        | SQLWARNING_SYM /* SQLSTATEs 01??? */
          {
            $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
            $$->type= sp_cond_type_t::warning;
          }
        | not FOUND_SYM /* SQLSTATEs 02??? */
          {
            $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
            $$->type= sp_cond_type_t::notfound;
          }
        | SQLEXCEPTION_SYM /* All other SQLSTATEs */
          {
            $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
            $$->type= sp_cond_type_t::exception;
          }
        ;
2654 2655

sp_decl_idents:
2656 2657
          ident
          {
2658 2659
            /* NOTE: field definition is filled in sp_decl section. */

2660 2661
            LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;
2662

2663 2664 2665 2666 2667 2668 2669 2670 2671 2672
            if (spc->find_variable(&$1, TRUE))
            {
              my_error(ER_SP_DUP_VAR, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
            spc->push_variable(&$1, (enum_field_types)0, sp_param_in);
            $$= 1;
          }
        | sp_decl_idents ',' ident
          {
2673 2674
            /* NOTE: field definition is filled in sp_decl section. */

2675 2676
            LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;
2677

2678 2679 2680 2681 2682 2683 2684 2685 2686
            if (spc->find_variable(&$3, TRUE))
            {
              my_error(ER_SP_DUP_VAR, MYF(0), $3.str);
              MYSQL_YYABORT;
            }
            spc->push_variable(&$3, (enum_field_types)0, sp_param_in);
            $$= $1 + 1;
          }
        ;
2687 2688

sp_opt_default:
2689
          /* Empty */ { $$ = NULL; }
2690
        | DEFAULT expr { $$ = $2; }
2691
        ;
2692 2693

sp_proc_stmt:
2694
          sp_proc_stmt_statement
2695
        | sp_proc_stmt_return
2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706
        | sp_proc_stmt_if
        | case_stmt_specification
        | sp_labeled_control
        | sp_proc_stmt_unlabeled
        | sp_proc_stmt_leave
        | sp_proc_stmt_iterate
        | sp_proc_stmt_open
        | sp_proc_stmt_fetch
        | sp_proc_stmt_close
        ;

2707
sp_proc_stmt_if:
2708 2709 2710 2711
          IF
          { Lex->sphead->new_cont_backpatch(NULL); }
          sp_if END IF
          { Lex->sphead->do_cont_backpatch(); }
2712 2713 2714
        ;
        
sp_proc_stmt_statement:
2715
          {
2716 2717 2718
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
2719

2720
            lex->sphead->reset_lex(thd);
2721
            lex->sphead->m_tmp_query= lip->get_tok_start();
2722 2723 2724
          }
          statement
          {
2725 2726 2727
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
2728
            sp_head *sp= lex->sphead;
2729

2730
            sp->m_flags|= sp_get_flags_for_command(lex);
2731 2732 2733 2734 2735 2736
            if (lex->sql_command == SQLCOM_CHANGE_DB)
            { /* "USE db" doesn't work in a procedure */
              my_error(ER_SP_BADSTATEMENT, MYF(0), "USE");
              MYSQL_YYABORT;
            }
            /*
2737 2738 2739
              Don't add an instruction for SET statements, since all
              instructions for them were already added during processing
              of "set" rule.
2740
            */
2741 2742 2743
            DBUG_ASSERT(lex->sql_command != SQLCOM_SET_OPTION ||
                        lex->var_list.is_empty());
            if (lex->sql_command != SQLCOM_SET_OPTION)
2744
            {
2745 2746
              sp_instr_stmt *i=new sp_instr_stmt(sp->instructions(),
                                                 lex->spcont, lex);
2747

2748 2749 2750 2751 2752 2753
              /*
                Extract the query statement from the tokenizer.  The
                end is either lex->ptr, if there was no lookahead,
                lex->tok_end otherwise.
              */
              if (yychar == YYEMPTY)
2754
                i->m_query.length= lip->get_ptr() - sp->m_tmp_query;
2755
              else
2756
                i->m_query.length= lip->get_tok_end() - sp->m_tmp_query;
2757
              i->m_query.str= strmake_root(thd->mem_root,
2758
                                           sp->m_tmp_query,
2759 2760
                                           i->m_query.length);
              sp->add_instr(i);
2761
            }
2762
            sp->restore_lex(thd);
2763
          }
2764 2765 2766
        ;

sp_proc_stmt_return:
2767
          RETURN_SYM 
2768 2769
          { Lex->sphead->reset_lex(YYTHD); }
          expr
2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;

            if (sp->m_type != TYPE_ENUM_FUNCTION)
            {
              my_message(ER_SP_BADRETURN, ER(ER_SP_BADRETURN), MYF(0));
              MYSQL_YYABORT;
            }
            else
            {
              sp_instr_freturn *i;

              i= new sp_instr_freturn(sp->instructions(), lex->spcont, $3,
2784
                                      sp->m_return_field_def.sql_type, lex);
2785 2786 2787 2788 2789
              sp->add_instr(i);
              sp->m_flags|= sp_head::HAS_RETURN;
            }
            sp->restore_lex(YYTHD);
          }
2790 2791 2792
        ;

sp_proc_stmt_unlabeled:
2793 2794
          { /* Unlabeled controls get a secret label. */
            LEX *lex= Lex;
2795

2796 2797 2798 2799 2800
            lex->spcont->push_label((char *)"", lex->sphead->instructions());
          }
          sp_unlabeled_control
          {
            LEX *lex= Lex;
2801

2802 2803
            lex->sphead->backpatch(lex->spcont->pop_label());
          }
2804 2805 2806
        ;

sp_proc_stmt_leave:
2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832
          LEAVE_SYM label_ident
          {
            LEX *lex= Lex;
            sp_head *sp = lex->sphead;
            sp_pcontext *ctx= lex->spcont;
            sp_label_t *lab= ctx->find_label($2.str);

            if (! lab)
            {
              my_error(ER_SP_LILABEL_MISMATCH, MYF(0), "LEAVE", $2.str);
              MYSQL_YYABORT;
            }
            else
            {
              sp_instr_jump *i;
              uint ip= sp->instructions();
              uint n;

              n= ctx->diff_handlers(lab->ctx, TRUE);  /* Exclusive the dest. */
              if (n)
                sp->add_instr(new sp_instr_hpop(ip++, ctx, n));
              n= ctx->diff_cursors(lab->ctx, TRUE);  /* Exclusive the dest. */
              if (n)
                sp->add_instr(new sp_instr_cpop(ip++, ctx, n));
              i= new sp_instr_jump(ip, ctx);
              sp->push_backpatch(i, lab);  /* Jumping forward */
2833
              sp->add_instr(i);
2834 2835
            }
          }
2836 2837 2838
        ;

sp_proc_stmt_iterate:
2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863
          ITERATE_SYM label_ident
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *ctx= lex->spcont;
            sp_label_t *lab= ctx->find_label($2.str);

            if (! lab || lab->type != SP_LAB_ITER)
            {
              my_error(ER_SP_LILABEL_MISMATCH, MYF(0), "ITERATE", $2.str);
              MYSQL_YYABORT;
            }
            else
            {
              sp_instr_jump *i;
              uint ip= sp->instructions();
              uint n;

              n= ctx->diff_handlers(lab->ctx, FALSE);  /* Inclusive the dest. */
              if (n)
                sp->add_instr(new sp_instr_hpop(ip++, ctx, n));
              n= ctx->diff_cursors(lab->ctx, FALSE);  /* Inclusive the dest. */
              if (n)
                sp->add_instr(new sp_instr_cpop(ip++, ctx, n));
              i= new sp_instr_jump(ip, ctx, lab->ip); /* Jump back */
2864
              sp->add_instr(i);
2865 2866
            }
          }
2867 2868 2869
        ;

sp_proc_stmt_open:
2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884
          OPEN_SYM ident
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            uint offset;
            sp_instr_copen *i;

            if (! lex->spcont->find_cursor(&$2, &offset))
            {
              my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $2.str);
              MYSQL_YYABORT;
            }
            i= new sp_instr_copen(sp->instructions(), lex->spcont, offset);
            sp->add_instr(i);
          }
2885 2886 2887
        ;

sp_proc_stmt_fetch:
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          FETCH_SYM sp_opt_fetch_noise ident INTO
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            uint offset;
            sp_instr_cfetch *i;

            if (! lex->spcont->find_cursor(&$3, &offset))
            {
              my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $3.str);
              MYSQL_YYABORT;
            }
            i= new sp_instr_cfetch(sp->instructions(), lex->spcont, offset);
            sp->add_instr(i);
          }
          sp_fetch_list
          {}
2905 2906 2907
        ;

sp_proc_stmt_close:
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          CLOSE_SYM ident
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            uint offset;
            sp_instr_cclose *i;

            if (! lex->spcont->find_cursor(&$2, &offset))
            {
              my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $2.str);
              MYSQL_YYABORT;
            }
            i= new sp_instr_cclose(sp->instructions(), lex->spcont,  offset);
            sp->add_instr(i);
          }
        ;
2924 2925

sp_opt_fetch_noise:
2926 2927 2928 2929
          /* Empty */
        | NEXT_SYM FROM
        | FROM
        ;
2930 2931

sp_fetch_list:
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          ident
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *spc= lex->spcont;
            sp_variable_t *spv;

            if (!spc || !(spv = spc->find_variable(&$1)))
            {
              my_error(ER_SP_UNDECLARED_VAR, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
            else
            {
              /* An SP local variable */
              sp_instr_cfetch *i= (sp_instr_cfetch *)sp->last_instruction();

              i->add_to_varlist(spv);
            }
          }
        | sp_fetch_list ',' ident
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *spc= lex->spcont;
            sp_variable_t *spv;

            if (!spc || !(spv = spc->find_variable(&$3)))
            {
              my_error(ER_SP_UNDECLARED_VAR, MYF(0), $3.str);
              MYSQL_YYABORT;
            }
            else
            {
              /* An SP local variable */
              sp_instr_cfetch *i= (sp_instr_cfetch *)sp->last_instruction();

              i->add_to_varlist(spv);
            }
          }
        ;
2973 2974

sp_if:
2975 2976
          { Lex->sphead->reset_lex(YYTHD); }
          expr THEN_SYM
2977 2978 2979 2980 2981 2982
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *ctx= lex->spcont;
            uint ip= sp->instructions();
            sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, ctx,
2983
                                                               $2, lex);
2984

2985
            sp->push_backpatch(i, ctx->push_label((char *)"", 0));
2986
            sp->add_cont_backpatch(i);
2987
            sp->add_instr(i);
2988
            sp->restore_lex(YYTHD);
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          }
          sp_proc_stmts1
          {
            sp_head *sp= Lex->sphead;
            sp_pcontext *ctx= Lex->spcont;
            uint ip= sp->instructions();
            sp_instr_jump *i = new sp_instr_jump(ip, ctx);
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            sp->add_instr(i);
            sp->backpatch(ctx->pop_label());
            sp->push_backpatch(i, ctx->push_label((char *)"", 0));
          }
          sp_elseifs
          {
            LEX *lex= Lex;

            lex->sphead->backpatch(lex->spcont->pop_label());
          }
        ;
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sp_elseifs:
3010 3011 3012 3013
          /* Empty */
        | ELSEIF_SYM sp_if
        | ELSE sp_proc_stmts1
        ;
3014

3015 3016 3017 3018
case_stmt_specification:
          simple_case_stmt
        | searched_case_stmt
        ;
3019

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simple_case_stmt:
          CASE_SYM
          {
            LEX *lex= Lex;
            case_stmt_action_case(lex);
            lex->sphead->reset_lex(YYTHD); /* For expr $3 */
          }
          expr
          {
            LEX *lex= Lex;
            if (case_stmt_action_expr(lex, $3))
3031
              MYSQL_YYABORT;
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            lex->sphead->restore_lex(YYTHD); /* For expr $3 */
          }
          simple_when_clause_list
          else_clause_opt
          END
          CASE_SYM
          {
            LEX *lex= Lex;
            case_stmt_action_end_case(lex, true);
          }
        ;
3044

3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059
searched_case_stmt:
          CASE_SYM
          {
            LEX *lex= Lex;
            case_stmt_action_case(lex);
          }
          searched_when_clause_list
          else_clause_opt
          END
          CASE_SYM
          {
            LEX *lex= Lex;
            case_stmt_action_end_case(lex, false);
          }
        ;
3060

3061 3062 3063 3064
simple_when_clause_list:
          simple_when_clause
        | simple_when_clause_list simple_when_clause
        ;
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3066 3067 3068 3069
searched_when_clause_list:
          searched_when_clause
        | searched_when_clause_list searched_when_clause
        ;
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simple_when_clause:
          WHEN_SYM
          {
            Lex->sphead->reset_lex(YYTHD); /* For expr $3 */
          }
          expr
          {
            /* Simple case: <caseval> = <whenval> */
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            LEX *lex= Lex;
            case_stmt_action_when(lex, $3, true);
            lex->sphead->restore_lex(YYTHD); /* For expr $3 */
          }
          THEN_SYM
          sp_proc_stmts1
          {
            LEX *lex= Lex;
            case_stmt_action_then(lex);
          }
        ;
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searched_when_clause:
          WHEN_SYM
          {
            Lex->sphead->reset_lex(YYTHD); /* For expr $3 */
          }
          expr
          {
            LEX *lex= Lex;
            case_stmt_action_when(lex, $3, false);
            lex->sphead->restore_lex(YYTHD); /* For expr $3 */
          }
          THEN_SYM
          sp_proc_stmts1
          {
            LEX *lex= Lex;
            case_stmt_action_then(lex);
          }
        ;
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3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122
else_clause_opt:
          /* empty */
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            uint ip= sp->instructions();
            sp_instr_error *i= new sp_instr_error(ip, lex->spcont,
                                                  ER_SP_CASE_NOT_FOUND);
            sp->add_instr(i);
          }
        | ELSE sp_proc_stmts1
        ;
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3123

3124
sp_labeled_control:
3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160
          label_ident ':'
          {
            LEX *lex= Lex;
            sp_pcontext *ctx= lex->spcont;
            sp_label_t *lab= ctx->find_label($1.str);

            if (lab)
            {
              my_error(ER_SP_LABEL_REDEFINE, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
            else
            {
              lab= lex->spcont->push_label($1.str,
                                           lex->sphead->instructions());
              lab->type= SP_LAB_ITER;
            }
          }
          sp_unlabeled_control sp_opt_label
          {
            LEX *lex= Lex;

            if ($5.str)
            {
              sp_label_t *lab= lex->spcont->find_label($5.str);

              if (!lab ||
                  my_strcasecmp(system_charset_info, $5.str, lab->name) != 0)
              {
                my_error(ER_SP_LABEL_MISMATCH, MYF(0), $5.str);
                MYSQL_YYABORT;
              }
            }
            lex->sphead->backpatch(lex->spcont->pop_label());
          }
        ;
3161 3162

sp_opt_label:
3163
          /* Empty  */  { $$= null_lex_str; }
3164
        | label_ident   { $$= $1; }
3165
        ;
3166 3167

sp_unlabeled_control:
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          BEGIN_SYM
          { /* QQ This is just a dummy for grouping declarations and statements
              together. No [[NOT] ATOMIC] yet, and we need to figure out how
              make it coexist with the existing BEGIN COMMIT/ROLLBACK. */
            LEX *lex= Lex;
            sp_label_t *lab= lex->spcont->last_label();
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            lab->type= SP_LAB_BEGIN;
            lex->spcont= lex->spcont->push_context(LABEL_DEFAULT_SCOPE);
          }
          sp_decls
          sp_proc_stmts
          END
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            sp_pcontext *ctx= lex->spcont;

            sp->backpatch(ctx->last_label()); /* We always have a label */
            if ($3.hndlrs)
              sp->add_instr(new sp_instr_hpop(sp->instructions(), ctx,
                                              $3.hndlrs));
            if ($3.curs)
              sp->add_instr(new sp_instr_cpop(sp->instructions(), ctx,
                                              $3.curs));
            lex->spcont= ctx->pop_context();
          }
        | LOOP_SYM
          sp_proc_stmts1 END LOOP_SYM
          {
            LEX *lex= Lex;
            uint ip= lex->sphead->instructions();
            sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
            sp_instr_jump *i = new sp_instr_jump(ip, lex->spcont, lab->ip);

            lex->sphead->add_instr(i);
          }
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        | WHILE_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr DO_SYM
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          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;
            uint ip= sp->instructions();
            sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, lex->spcont,
                                                               $3, lex);

            /* Jumping forward */
            sp->push_backpatch(i, lex->spcont->last_label());
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            sp->new_cont_backpatch(i);
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            sp->add_instr(i);
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            sp->restore_lex(YYTHD);
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          }
          sp_proc_stmts1 END WHILE_SYM
          {
            LEX *lex= Lex;
            uint ip= lex->sphead->instructions();
            sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
            sp_instr_jump *i = new sp_instr_jump(ip, lex->spcont, lab->ip);
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            lex->sphead->add_instr(i);
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            lex->sphead->do_cont_backpatch();
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          }
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        | REPEAT_SYM sp_proc_stmts1 UNTIL_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr END REPEAT_SYM
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          {
            LEX *lex= Lex;
            uint ip= lex->sphead->instructions();
            sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
            sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, lex->spcont,
3239 3240
                                                               $5, lab->ip,
                                                               lex);
3241
            lex->sphead->add_instr(i);
3242
            lex->sphead->restore_lex(YYTHD);
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            /* We can shortcut the cont_backpatch here */
            i->m_cont_dest= ip+1;
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          }
        ;
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trg_action_time:
3249
            BEFORE_SYM
3250
            { Lex->trg_chistics.action_time= TRG_ACTION_BEFORE; }
3251
          | AFTER_SYM
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            { Lex->trg_chistics.action_time= TRG_ACTION_AFTER; }
          ;

trg_event:
3256
            INSERT
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            { Lex->trg_chistics.event= TRG_EVENT_INSERT; }
          | UPDATE_SYM
            { Lex->trg_chistics.event= TRG_EVENT_UPDATE; }
          | DELETE_SYM
            { Lex->trg_chistics.event= TRG_EVENT_DELETE; }
3262
          ;
3263 3264 3265 3266 3267 3268 3269
/*
  This part of the parser contains common code for all TABLESPACE
  commands.
  CREATE TABLESPACE name ...
  ALTER TABLESPACE name CHANGE DATAFILE ...
  ALTER TABLESPACE name ADD DATAFILE ...
  ALTER TABLESPACE name access_mode
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  CREATE LOGFILE GROUP_SYM name ...
  ALTER LOGFILE GROUP_SYM name ADD UNDOFILE ..
  ALTER LOGFILE GROUP_SYM name ADD REDOFILE ..
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  DROP TABLESPACE name
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  DROP LOGFILE GROUP_SYM name
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*/
change_tablespace_access:
          tablespace_name
          ts_access_mode
3279
        ;
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change_tablespace_info:
          tablespace_name
          CHANGE ts_datafile
          change_ts_option_list
3285
        ;
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tablespace_info:
          tablespace_name
          ADD ts_datafile
          opt_logfile_group_name
          tablespace_option_list
3292
        ;
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opt_logfile_group_name:
          /* empty */ {}
3296
        | USE_SYM LOGFILE_SYM GROUP_SYM ident
3297 3298 3299
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->logfile_group_name= $4.str;
3300 3301
          }
        ;
3302 3303 3304 3305

alter_tablespace_info:
          tablespace_name
          ADD ts_datafile
3306 3307 3308
          alter_tablespace_option_list
          { 
            Lex->alter_tablespace_info->ts_alter_tablespace_type= ALTER_TABLESPACE_ADD_FILE; 
3309
          }
3310
        | tablespace_name
3311
          DROP ts_datafile
3312 3313 3314 3315 3316
          alter_tablespace_option_list
          { 
            Lex->alter_tablespace_info->ts_alter_tablespace_type= ALTER_TABLESPACE_DROP_FILE; 
          }
        ;
3317 3318 3319 3320 3321

logfile_group_info:
          logfile_group_name
          add_log_file
          logfile_group_option_list
3322
        ;
3323 3324 3325 3326 3327

alter_logfile_group_info:
          logfile_group_name
          add_log_file
          alter_logfile_group_option_list
3328
        ;
3329 3330 3331

add_log_file:
          ADD lg_undofile
3332 3333
        | ADD lg_redofile
        ;
3334 3335 3336 3337

change_ts_option_list:
          /* empty */ {}
          change_ts_options
3338
        ;
3339 3340 3341

change_ts_options:
          change_ts_option
3342 3343 3344
        | change_ts_options change_ts_option
        | change_ts_options ',' change_ts_option
        ;
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change_ts_option:
          opt_ts_initial_size
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        | opt_ts_autoextend_size
        | opt_ts_max_size
        ;
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tablespace_option_list:
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        tablespace_options
        ;
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tablespace_options:
          tablespace_option
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        | tablespace_options tablespace_option
        | tablespace_options ',' tablespace_option
        ;
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tablespace_option:
          opt_ts_initial_size
3364 3365 3366 3367 3368 3369 3370 3371
        | opt_ts_autoextend_size
        | opt_ts_max_size
        | opt_ts_extent_size
        | opt_ts_nodegroup
        | opt_ts_engine
        | ts_wait
        | opt_ts_comment
        ;
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alter_tablespace_option_list:
3374 3375
        alter_tablespace_options
        ;
3376 3377 3378

alter_tablespace_options:
          alter_tablespace_option
3379 3380 3381
        | alter_tablespace_options alter_tablespace_option
        | alter_tablespace_options ',' alter_tablespace_option
        ;
3382 3383 3384

alter_tablespace_option:
          opt_ts_initial_size
3385 3386 3387 3388 3389
        | opt_ts_autoextend_size
        | opt_ts_max_size
        | opt_ts_engine
        | ts_wait
        ;
3390 3391

logfile_group_option_list:
3392 3393
        logfile_group_options
        ;
3394 3395 3396

logfile_group_options:
          logfile_group_option
3397 3398 3399
        | logfile_group_options logfile_group_option
        | logfile_group_options ',' logfile_group_option
        ;
3400 3401 3402

logfile_group_option:
          opt_ts_initial_size
3403 3404 3405 3406 3407 3408 3409
        | opt_ts_undo_buffer_size
        | opt_ts_redo_buffer_size
        | opt_ts_nodegroup
        | opt_ts_engine
        | ts_wait
        | opt_ts_comment
        ;
3410 3411 3412

alter_logfile_group_option_list:
          alter_logfile_group_options
3413
        ;
3414 3415 3416

alter_logfile_group_options:
          alter_logfile_group_option
3417 3418 3419
        | alter_logfile_group_options alter_logfile_group_option
        | alter_logfile_group_options ',' alter_logfile_group_option
        ;
3420 3421 3422

alter_logfile_group_option:
          opt_ts_initial_size
3423 3424 3425
        | opt_ts_engine
        | ts_wait
        ;
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ts_datafile:
          DATAFILE_SYM TEXT_STRING_sys
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->data_file_name= $2.str;
3433 3434
          }
        ;
3435 3436 3437 3438 3439 3440

lg_undofile:
          UNDOFILE_SYM TEXT_STRING_sys
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->undo_file_name= $2.str;
3441 3442
          }
        ;
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lg_redofile:
          REDOFILE_SYM TEXT_STRING_sys
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->redo_file_name= $2.str;
3449 3450
          }
        ;
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tablespace_name:
          ident
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info= new st_alter_tablespace();
            lex->alter_tablespace_info->tablespace_name= $1.str;
            lex->sql_command= SQLCOM_ALTER_TABLESPACE;
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          }
        ;
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logfile_group_name:
          ident
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info= new st_alter_tablespace();
            lex->alter_tablespace_info->logfile_group_name= $1.str;
            lex->sql_command= SQLCOM_ALTER_TABLESPACE;
3469 3470
          }
        ;
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ts_access_mode:
          READ_ONLY_SYM
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_access_mode= TS_READ_ONLY;
          }
3478
        | READ_WRITE_SYM
3479 3480 3481 3482
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_access_mode= TS_READ_WRITE;
          }
3483
        | NOT_SYM ACCESSIBLE_SYM
3484 3485 3486
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_access_mode= TS_NOT_ACCESSIBLE;
3487 3488
          }
        ;
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opt_ts_initial_size:
          INITIAL_SIZE_SYM opt_equal size_number
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->initial_size= $3;
3495 3496
          }
        ;
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opt_ts_autoextend_size:
          AUTOEXTEND_SIZE_SYM opt_equal size_number
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->autoextend_size= $3;
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          }
        ;
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opt_ts_max_size:
          MAX_SIZE_SYM opt_equal size_number
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->max_size= $3;
3511 3512
          }
        ;
3513 3514 3515 3516 3517 3518

opt_ts_extent_size:
          EXTENT_SIZE_SYM opt_equal size_number
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->extent_size= $3;
3519 3520
          }
        ;
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opt_ts_undo_buffer_size:
          UNDO_BUFFER_SIZE_SYM opt_equal size_number
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->undo_buffer_size= $3;
3527 3528
          }
        ;
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opt_ts_redo_buffer_size:
          REDO_BUFFER_SIZE_SYM opt_equal size_number
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->redo_buffer_size= $3;
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          }
        ;
3537 3538

opt_ts_nodegroup:
3539
          NODEGROUP_SYM opt_equal real_ulong_num
3540 3541 3542 3543
          {
            LEX *lex= Lex;
            if (lex->alter_tablespace_info->nodegroup_id != UNDEF_NODEGROUP)
            {
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              my_error(ER_FILEGROUP_OPTION_ONLY_ONCE,MYF(0),"NODEGROUP");
3545
              MYSQL_YYABORT;
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            }
            lex->alter_tablespace_info->nodegroup_id= $3;
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          }
        ;
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opt_ts_comment:
          COMMENT_SYM opt_equal TEXT_STRING_sys
          {
            LEX *lex= Lex;
            if (lex->alter_tablespace_info->ts_comment != NULL)
            {
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              my_error(ER_FILEGROUP_OPTION_ONLY_ONCE,MYF(0),"COMMENT");
3558
              MYSQL_YYABORT;
3559 3560
            }
            lex->alter_tablespace_info->ts_comment= $3.str;
3561 3562
          }
        ;
3563 3564 3565 3566 3567

opt_ts_engine:
          opt_storage ENGINE_SYM opt_equal storage_engines
          {
            LEX *lex= Lex;
3568
            if (lex->alter_tablespace_info->storage_engine != NULL)
3569
            {
jonas@perch.ndb.mysql.com's avatar
merge  
jonas@perch.ndb.mysql.com committed
3570
              my_error(ER_FILEGROUP_OPTION_ONLY_ONCE,MYF(0),
3571
                       "STORAGE ENGINE");
3572
              MYSQL_YYABORT;
3573
            }
3574
            lex->alter_tablespace_info->storage_engine= $4;
3575 3576
          }
        ;
3577 3578

opt_ts_wait:
3579
          /* empty */
3580 3581
        | ts_wait
        ;
3582 3583 3584 3585 3586 3587 3588

ts_wait:
          WAIT_SYM
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->wait_until_completed= TRUE;
          }
3589
        | NO_WAIT_SYM
3590 3591 3592 3593
          {
            LEX *lex= Lex;
            if (!(lex->alter_tablespace_info->wait_until_completed))
            {
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merge  
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3594
              my_error(ER_FILEGROUP_OPTION_ONLY_ONCE,MYF(0),"NO_WAIT");
3595
              MYSQL_YYABORT;
3596 3597
            }
            lex->alter_tablespace_info->wait_until_completed= FALSE;
3598 3599
          }
        ;
3600 3601

size_number:
3602
          real_ulong_num { $$= $1;}
3603
        | IDENT
3604
          {
3605
            ulonglong number;
3606 3607 3608
            uint text_shift_number= 0;
            longlong prefix_number;
            char *start_ptr= $1.str;
3609
            uint str_len= $1.length;
3610
            char *end_ptr= start_ptr + str_len;
3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629
            int error;
            prefix_number= my_strtoll10(start_ptr, &end_ptr, &error);
            if ((start_ptr + str_len - 1) == end_ptr)
            {
              switch (end_ptr[0])
              {
                case 'g':
                case 'G':
                  text_shift_number+=10;
                case 'm':
                case 'M':
                  text_shift_number+=10;
                case 'k':
                case 'K':
                  text_shift_number+=10;
                  break;
                default:
                {
                  my_error(ER_WRONG_SIZE_NUMBER, MYF(0));
3630
                  MYSQL_YYABORT;
3631 3632 3633 3634 3635
                }
              }
              if (prefix_number >> 31)
              {
                my_error(ER_SIZE_OVERFLOW_ERROR, MYF(0));
3636
                MYSQL_YYABORT;
3637 3638 3639 3640 3641 3642
              }
              number= prefix_number << text_shift_number;
            }
            else
            {
              my_error(ER_WRONG_SIZE_NUMBER, MYF(0));
3643
              MYSQL_YYABORT;
3644 3645 3646
            }
            $$= number;
          }
3647
        ;
3648 3649 3650 3651

/*
  End tablespace part
*/
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3652 3653

create2:
3654
          '(' create2a {}
3655
        | opt_create_table_options
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malff@lambda.weblab committed
3656
          opt_partitioning
3657
          create3 {}
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3658 3659
        | LIKE table_ident
          {
3660 3661 3662 3663 3664
            THD *thd= YYTHD;
            LEX *lex= thd->lex;

            lex->create_info.options|= HA_LEX_CREATE_TABLE_LIKE;
            if (!lex->select_lex.add_table_to_list(thd, $2, NULL, 0, TL_READ))
3665
              MYSQL_YYABORT;
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serg@serg.mylan committed
3666 3667 3668
          }
        | '(' LIKE table_ident ')'
          {
3669 3670 3671 3672 3673
            THD *thd= YYTHD;
            LEX *lex= thd->lex;

            lex->create_info.options|= HA_LEX_CREATE_TABLE_LIKE;
            if (!lex->select_lex.add_table_to_list(thd, $3, NULL, 0, TL_READ))
3674
              MYSQL_YYABORT;
serg@serg.mylan's avatar
serg@serg.mylan committed
3675
          }
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monty@mashka.mysql.fi committed
3676
        ;
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bk@work.mysql.com committed
3677

serg@serg.mylan's avatar
serg@serg.mylan committed
3678
create2a:
3679
          field_list ')' opt_create_table_options
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malff@lambda.weblab committed
3680
          opt_partitioning
3681
          create3 {}
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malff@lambda.weblab committed
3682
        |  opt_partitioning
3683
           create_select ')'
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malff@lambda.weblab committed
3684 3685
           { Select->set_braces(1);}
           union_opt {}
3686
        ;
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bk@work.mysql.com committed
3687 3688

create3:
3689 3690
          /* empty */ {}
        | opt_duplicate opt_as create_select
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malff@lambda.weblab committed
3691 3692
          { Select->set_braces(0);}
          union_clause {}
3693
        | opt_duplicate opt_as '(' create_select ')'
malff@lambda.weblab's avatar
malff@lambda.weblab committed
3694 3695
          { Select->set_braces(1);}
          union_opt {}
3696 3697
        ;

3698 3699 3700
/*
 This part of the parser is about handling of the partition information.

3701
 It's first version was written by Mikael Ronström with lots of answers to
3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722
 questions provided by Antony Curtis.

 The partition grammar can be called from three places.
 1) CREATE TABLE ... PARTITION ..
 2) ALTER TABLE table_name PARTITION ...
 3) PARTITION ...

 The first place is called when a new table is created from a MySQL client.
 The second place is called when a table is altered with the ALTER TABLE
 command from a MySQL client.
 The third place is called when opening an frm file and finding partition
 info in the .frm file. It is necessary to avoid allowing PARTITION to be
 an allowed entry point for SQL client queries. This is arranged by setting
 some state variables before arriving here.

 To be able to handle errors we will only set error code in this code
 and handle the error condition in the function calling the parser. This
 is necessary to ensure we can also handle errors when calling the parser
 from the openfrm function.
*/
opt_partitioning:
3723
          /* empty */ {}
3724 3725 3726 3727
        | partitioning
        ;

partitioning:
3728
          PARTITION_SYM
antony@ppcg5.local's avatar
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3729
          {
3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749
#ifdef WITH_PARTITION_STORAGE_ENGINE
            LEX *lex= Lex;
            LEX_STRING partition_name={C_STRING_WITH_LEN("partition")};
            if (!plugin_is_ready(&partition_name, MYSQL_STORAGE_ENGINE_PLUGIN))
            {
              my_error(ER_FEATURE_DISABLED, MYF(0),
                      "partitioning", "--with-partition");
              MYSQL_YYABORT;
            }
            lex->part_info= new partition_info();
            if (!lex->part_info)
            {
              mem_alloc_error(sizeof(partition_info));
              MYSQL_YYABORT;
            }
            if (lex->sql_command == SQLCOM_ALTER_TABLE)
            {
              lex->alter_info.flags|= ALTER_PARTITION;
            }
#else
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antony@ppcg5.local committed
3750 3751
            my_error(ER_FEATURE_DISABLED, MYF(0),
                     "partitioning", "--with-partition");
3752
            MYSQL_YYABORT;
3753 3754
#endif

3755 3756
          }
          partition
3757 3758 3759
        ;

partition_entry:
3760
          PARTITION_SYM
3761
          {
3762 3763 3764 3765 3766 3767 3768 3769 3770 3771
            LEX *lex= Lex;
            if (!lex->part_info)
            {
              my_parse_error(ER(ER_PARTITION_ENTRY_ERROR));
              MYSQL_YYABORT;
            }
            /*
              We enter here when opening the frm file to translate
              partition info string into part_info data structure.
            */
3772
          }
3773
          partition {}
3774
        ;
3775 3776

partition:
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3777
          BY part_type_def opt_no_parts opt_sub_part part_defs
3778
        ;
3779 3780

part_type_def:
3781 3782 3783 3784 3785 3786
          opt_linear KEY_SYM '(' part_field_list ')'
          {
            LEX *lex= Lex;
            lex->part_info->list_of_part_fields= TRUE;
            lex->part_info->part_type= HASH_PARTITION;
          }
3787
        | opt_linear HASH_SYM
3788 3789
          { Lex->part_info->part_type= HASH_PARTITION; }
          part_func {}
3790
        | RANGE_SYM
3791 3792
          { Lex->part_info->part_type= RANGE_PARTITION; }
          part_func {}
3793
        | LIST_SYM
3794 3795
          { Lex->part_info->part_type= LIST_PARTITION; }
          part_func {}
3796
        ;
3797 3798

opt_linear:
3799
          /* empty */ {}
3800
        | LINEAR_SYM
3801
          { Lex->part_info->linear_hash_ind= TRUE;}
3802
        ;
3803 3804

part_field_list:
3805
          /* empty */ {}
3806 3807 3808 3809
        | part_field_item_list {}
        ;

part_field_item_list:
3810
          part_field_item {}
3811
        | part_field_item_list ',' part_field_item {}
3812
        ;
3813 3814

part_field_item:
3815
          ident
3816
          {
3817 3818 3819 3820 3821
            if (Lex->part_info->part_field_list.push_back($1.str))
            {
              mem_alloc_error(1);
              MYSQL_YYABORT;
            }
3822
          }
3823
        ;
3824 3825

part_func:
3826 3827 3828 3829 3830 3831 3832 3833 3834
          '(' remember_name part_func_expr remember_end ')'
          {
            LEX *lex= Lex;
            uint expr_len= (uint)($4 - $2) - 1;
            lex->part_info->list_of_part_fields= FALSE;
            lex->part_info->part_expr= $3;
            lex->part_info->part_func_string= (char* ) sql_memdup($2+1, expr_len);
            lex->part_info->part_func_len= expr_len;
          }
3835
        ;
3836 3837

sub_part_func:
3838 3839 3840 3841 3842 3843 3844 3845 3846
          '(' remember_name part_func_expr remember_end ')'
          {
            LEX *lex= Lex;
            uint expr_len= (uint)($4 - $2) - 1;
            lex->part_info->list_of_subpart_fields= FALSE;
            lex->part_info->subpart_expr= $3;
            lex->part_info->subpart_func_string= (char* ) sql_memdup($2+1, expr_len);        
            lex->part_info->subpart_func_len= expr_len;
          }
3847
        ;
3848 3849 3850


opt_no_parts:
3851 3852 3853 3854 3855 3856 3857 3858 3859 3860
          /* empty */ {}
        | PARTITIONS_SYM real_ulong_num
          { 
            uint no_parts= $2;
            LEX *lex= Lex;
            if (no_parts == 0)
            {
              my_error(ER_NO_PARTS_ERROR, MYF(0), "partitions");
              MYSQL_YYABORT;
            }
3861

3862 3863 3864
            lex->part_info->no_parts= no_parts;
            lex->part_info->use_default_no_partitions= FALSE;
          }
3865
        ;
3866 3867

opt_sub_part:
3868
          /* empty */ {}
3869
        | SUBPARTITION_SYM BY opt_linear HASH_SYM sub_part_func
3870 3871
          { Lex->part_info->subpart_type= HASH_PARTITION; }
          opt_no_subparts {}
3872 3873
        | SUBPARTITION_SYM BY opt_linear KEY_SYM
          '(' sub_part_field_list ')'
3874 3875 3876 3877 3878 3879
          {
            LEX *lex= Lex;
            lex->part_info->subpart_type= HASH_PARTITION;
            lex->part_info->list_of_subpart_fields= TRUE;
          }
          opt_no_subparts {}
3880
        ;
3881 3882

sub_part_field_list:
3883
          sub_part_field_item {}
3884 3885
        | sub_part_field_list ',' sub_part_field_item {}
        ;
3886 3887

sub_part_field_item:
3888
          ident
3889
          {
3890 3891 3892 3893 3894
            if (Lex->part_info->subpart_field_list.push_back($1.str))
            {
              mem_alloc_error(1);
              MYSQL_YYABORT;
            }
3895
          }
3896
        ;
3897 3898

part_func_expr:
3899
          bit_expr
3900
          {
3901 3902 3903 3904 3905 3906 3907 3908 3909 3910
            LEX *lex= Lex;
            bool not_corr_func;
            not_corr_func= !lex->safe_to_cache_query;
            lex->safe_to_cache_query= 1;
            if (not_corr_func)
            {
              my_parse_error(ER(ER_CONST_EXPR_IN_PARTITION_FUNC_ERROR));
              MYSQL_YYABORT;
            }
            $$=$1;
3911
          }
3912
        ;
3913 3914

opt_no_subparts:
3915
          /* empty */ {}
3916
        | SUBPARTITIONS_SYM real_ulong_num
3917
          {
3918 3919 3920 3921 3922 3923 3924 3925 3926
            uint no_parts= $2;
            LEX *lex= Lex;
            if (no_parts == 0)
            {
              my_error(ER_NO_PARTS_ERROR, MYF(0), "subpartitions");
              MYSQL_YYABORT;
            }
            lex->part_info->no_subparts= no_parts;
            lex->part_info->use_default_no_subpartitions= FALSE;
3927
          }
3928
        ;
3929 3930

part_defs:
3931 3932
          /* empty */
          {}
3933 3934
        | '(' part_def_list ')'
          {
3935 3936 3937 3938
            LEX *lex= Lex;
            partition_info *part_info= lex->part_info;
            uint count_curr_parts= part_info->partitions.elements;
            if (part_info->no_parts != 0)
3939
            {
3940 3941 3942 3943 3944 3945
              if (part_info->no_parts !=
                  count_curr_parts)
              {
                my_parse_error(ER(ER_PARTITION_WRONG_NO_PART_ERROR));
                MYSQL_YYABORT;
              }
3946
            }
3947 3948 3949 3950 3951
            else if (count_curr_parts > 0)
            {
              part_info->no_parts= count_curr_parts;
            }
            part_info->count_curr_subparts= 0;
3952
          }
3953
        ;
3954 3955

part_def_list:
3956
          part_definition {}
3957 3958
        | part_def_list ',' part_definition {}
        ;
3959 3960

part_definition:
3961
          PARTITION_SYM
3962
          {
3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976
            LEX *lex= Lex;
            partition_info *part_info= lex->part_info;
            partition_element *p_elem= new partition_element();

            if (!p_elem || part_info->partitions.push_back(p_elem))
            {
              mem_alloc_error(sizeof(partition_element));
              MYSQL_YYABORT;
            }
            p_elem->part_state= PART_NORMAL;
            part_info->curr_part_elem= p_elem;
            part_info->current_partition= p_elem;
            part_info->use_default_partitions= FALSE;
            part_info->use_default_no_partitions= FALSE;
3977
          }
malff@lambda.weblab's avatar
malff@lambda.weblab committed
3978 3979 3980 3981 3982
          part_name
          opt_part_values
          opt_part_options
          opt_sub_partition
          {}
3983
        ;
3984 3985

part_name:
3986 3987 3988 3989 3990 3991 3992
          ident
          {
            LEX *lex= Lex;
            partition_info *part_info= lex->part_info;
            partition_element *p_elem= part_info->curr_part_elem;
            p_elem->partition_name= $1.str;
          }
3993
        ;
3994 3995

opt_part_values:
3996
          /* empty */
3997
          {
3998 3999
            LEX *lex= Lex;
            if (! lex->is_partition_management())
4000
            {
4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012
              if (lex->part_info->part_type == RANGE_PARTITION)
              {
                my_error(ER_PARTITION_REQUIRES_VALUES_ERROR, MYF(0),
                         "RANGE", "LESS THAN");
                MYSQL_YYABORT;
              }
              if (lex->part_info->part_type == LIST_PARTITION)
              {
                my_error(ER_PARTITION_REQUIRES_VALUES_ERROR, MYF(0),
                         "LIST", "IN");
                MYSQL_YYABORT;
              }
4013
            }
4014 4015
            else
              lex->part_info->part_type= HASH_PARTITION;
4016 4017 4018
          }
        | VALUES LESS_SYM THAN_SYM part_func_max
          {
4019 4020
            LEX *lex= Lex;
            if (! lex->is_partition_management())
4021
            {
4022 4023 4024 4025 4026 4027
              if (Lex->part_info->part_type != RANGE_PARTITION)
              {
                my_error(ER_PARTITION_WRONG_VALUES_ERROR, MYF(0),
                         "RANGE", "LESS THAN");
                MYSQL_YYABORT;
              }
4028
            }
4029 4030
            else
              lex->part_info->part_type= RANGE_PARTITION;
4031 4032 4033
          }
        | VALUES IN_SYM '(' part_list_func ')'
          {
4034 4035
            LEX *lex= Lex;
            if (! lex->is_partition_management())
4036
            {
4037 4038 4039 4040 4041 4042
              if (Lex->part_info->part_type != LIST_PARTITION)
              {
                my_error(ER_PARTITION_WRONG_VALUES_ERROR, MYF(0),
                         "LIST", "IN");
                MYSQL_YYABORT;
              }
4043
            }
4044 4045
            else
              lex->part_info->part_type= LIST_PARTITION;
4046
          }
4047
        ;
4048 4049

part_func_max:
4050
          max_value_sym
4051
          {
4052 4053 4054 4055 4056 4057 4058 4059 4060
            LEX *lex= Lex;
            if (lex->part_info->defined_max_value)
            {
              my_parse_error(ER(ER_PARTITION_MAXVALUE_ERROR));
              MYSQL_YYABORT;
            }
            lex->part_info->defined_max_value= TRUE;
            lex->part_info->curr_part_elem->max_value= TRUE;
            lex->part_info->curr_part_elem->range_value= LONGLONG_MAX;
4061 4062
          }
        | part_range_func
4063
          {
4064 4065 4066 4067 4068 4069 4070 4071 4072 4073
            if (Lex->part_info->defined_max_value)
            {
              my_parse_error(ER(ER_PARTITION_MAXVALUE_ERROR));
              MYSQL_YYABORT;
            }
            if (Lex->part_info->curr_part_elem->has_null_value)
            {
              my_parse_error(ER(ER_NULL_IN_VALUES_LESS_THAN));
              MYSQL_YYABORT;
            }
4074
          }
4075
        ;
4076

4077
max_value_sym:
4078
          MAX_VALUE_SYM
4079 4080 4081
        | '(' MAX_VALUE_SYM ')'
        ;
        
4082
part_range_func:
4083 4084 4085 4086 4087 4088 4089
          '(' part_bit_expr ')' 
          {
            partition_info *part_info= Lex->part_info;
            if (!($2->unsigned_flag))
              part_info->curr_part_elem->signed_flag= TRUE;
            part_info->curr_part_elem->range_value= $2->value;
          }
4090
        ;
4091 4092

part_list_func:
4093
          part_list_item {}
4094 4095
        | part_list_func ',' part_list_item {}
        ;
4096 4097

part_list_item:
4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110
          part_bit_expr
          {
            part_elem_value *value_ptr= $1;
            partition_info *part_info= Lex->part_info;
            if (!value_ptr->unsigned_flag)
              part_info->curr_part_elem->signed_flag= TRUE;
            if (!value_ptr->null_value &&
               part_info->curr_part_elem->
                list_val_list.push_back(value_ptr))
            {
              mem_alloc_error(sizeof(part_elem_value));
              MYSQL_YYABORT;
            }
4111
          }
4112
        ;
4113 4114

part_bit_expr:
4115
          bit_expr
4116
          {
4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129
            Item *part_expr= $1;
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Name_resolution_context *context= &lex->current_select->context;
            TABLE_LIST *save_list= context->table_list;
            const char *save_where= thd->where;

            context->table_list= 0;
            thd->where= "partition function";

            part_elem_value *value_ptr= 
              (part_elem_value*)sql_alloc(sizeof(part_elem_value));
            if (!value_ptr)
4130
            {
4131
              mem_alloc_error(sizeof(part_elem_value));
4132
              MYSQL_YYABORT;
4133
            }
4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168
            if (part_expr->walk(&Item::check_partition_func_processor, 0,
                                NULL))
            {
              my_error(ER_PARTITION_FUNCTION_IS_NOT_ALLOWED, MYF(0));
              MYSQL_YYABORT;
            }
            if (part_expr->fix_fields(YYTHD, (Item**)0) ||
                ((context->table_list= save_list), FALSE) ||
                (!part_expr->const_item()) ||
                (!lex->safe_to_cache_query))
            {
              my_error(ER_NO_CONST_EXPR_IN_RANGE_OR_LIST_ERROR, MYF(0));
              MYSQL_YYABORT;
            }
            thd->where= save_where;
            value_ptr->value= part_expr->val_int();
            value_ptr->unsigned_flag= TRUE;
            if (!part_expr->unsigned_flag &&
                value_ptr->value < 0)
              value_ptr->unsigned_flag= FALSE;
            if ((value_ptr->null_value= part_expr->null_value))
            {
              if (Lex->part_info->curr_part_elem->has_null_value)
              {
                my_error(ER_MULTIPLE_DEF_CONST_IN_LIST_PART_ERROR, MYF(0));
                MYSQL_YYABORT;
              }
              Lex->part_info->curr_part_elem->has_null_value= TRUE;
            }
            else if (part_expr->result_type() != INT_RESULT)
            {
              my_parse_error(ER(ER_INCONSISTENT_TYPE_OF_FUNCTIONS_ERROR));
              MYSQL_YYABORT;
            }
            $$= value_ptr; 
4169
          }
4170
        ;
4171 4172

opt_sub_partition:
4173
          /* empty */
4174
          {
4175 4176
            if (Lex->part_info->no_subparts != 0 &&
                !Lex->part_info->use_default_subpartitions)
4177
            {
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4178
              my_parse_error(ER(ER_PARTITION_WRONG_NO_SUBPART_ERROR));
4179
              MYSQL_YYABORT;
4180 4181
            }
          }
4182
        | '(' sub_part_list ')'
4183
          {
4184 4185 4186
            LEX *lex= Lex;
            partition_info *part_info= lex->part_info;
            if (part_info->no_subparts != 0)
4187
            {
4188 4189 4190 4191 4192 4193
              if (part_info->no_subparts !=
                  part_info->count_curr_subparts)
              {
                my_parse_error(ER(ER_PARTITION_WRONG_NO_SUBPART_ERROR));
                MYSQL_YYABORT;
              }
4194
            }
4195 4196 4197 4198 4199 4200 4201 4202 4203 4204
            else if (part_info->count_curr_subparts > 0)
            {
              if (part_info->partitions.elements > 1)
              {
                my_parse_error(ER(ER_PARTITION_WRONG_NO_SUBPART_ERROR));
                MYSQL_YYABORT;
              }
              part_info->no_subparts= part_info->count_curr_subparts;
            }
            part_info->count_curr_subparts= 0;
4205
          }
4206
        ;
4207 4208

sub_part_list:
4209
          sub_part_definition {}
4210 4211
        | sub_part_list ',' sub_part_definition {}
        ;
4212 4213

sub_part_definition:
4214
          SUBPARTITION_SYM
4215
          {
4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229
            LEX *lex= Lex;
            partition_info *part_info= lex->part_info;
            partition_element *curr_part= part_info->current_partition;
            partition_element *sub_p_elem= new partition_element(curr_part);
            if (!sub_p_elem ||
             curr_part->subpartitions.push_back(sub_p_elem))
            {
              mem_alloc_error(sizeof(partition_element));
              MYSQL_YYABORT;
            }
            part_info->curr_part_elem= sub_p_elem;
            part_info->use_default_subpartitions= FALSE;
            part_info->use_default_no_subpartitions= FALSE;
            part_info->count_curr_subparts++;
4230
          }
4231
          sub_name opt_part_options {}
4232
        ;
4233 4234

sub_name:
4235 4236
          ident_or_text
          { Lex->part_info->curr_part_elem->partition_name= $1.str; }
4237
        ;
4238 4239

opt_part_options:
4240
         /* empty */ {}
4241 4242
       | opt_part_option_list {}
       ;
4243 4244

opt_part_option_list:
4245
         opt_part_option_list opt_part_option {}
4246 4247
       | opt_part_option {}
       ;
4248 4249

opt_part_option:
4250 4251
          TABLESPACE opt_equal ident_or_text
          { Lex->part_info->curr_part_elem->tablespace_name= $3.str; }
4252
        | opt_storage ENGINE_SYM opt_equal storage_engines
4253 4254 4255 4256 4257
          {
            LEX *lex= Lex;
            lex->part_info->curr_part_elem->engine_type= $4;
            lex->part_info->default_engine_type= $4;
          }
4258
        | NODEGROUP_SYM opt_equal real_ulong_num
4259
          { Lex->part_info->curr_part_elem->nodegroup_id= (uint16) $3; }
4260
        | MAX_ROWS opt_equal real_ulonglong_num
4261
          { Lex->part_info->curr_part_elem->part_max_rows= (ha_rows) $3; }
4262
        | MIN_ROWS opt_equal real_ulonglong_num
4263
          { Lex->part_info->curr_part_elem->part_min_rows= (ha_rows) $3; }
4264
        | DATA_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys
4265
          { Lex->part_info->curr_part_elem->data_file_name= $4.str; }
4266
        | INDEX_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys
4267
          { Lex->part_info->curr_part_elem->index_file_name= $4.str; }
4268
        | COMMENT_SYM opt_equal TEXT_STRING_sys
4269
          { Lex->part_info->curr_part_elem->part_comment= $3.str; }
4270
        ;
4271 4272 4273 4274 4275

/*
 End of partition parser part
*/

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4276
create_select:
4277
          SELECT_SYM
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4278
          {
4279 4280 4281 4282 4283 4284 4285
            LEX *lex=Lex;
            lex->lock_option= using_update_log ? TL_READ_NO_INSERT : TL_READ;
            if (lex->sql_command == SQLCOM_INSERT)
              lex->sql_command= SQLCOM_INSERT_SELECT;
            else if (lex->sql_command == SQLCOM_REPLACE)
              lex->sql_command= SQLCOM_REPLACE_SELECT;
            /*
4286 4287
              The following work only with the local list, the global list
              is created correctly in this case
4288 4289 4290 4291
            */
            lex->current_select->table_list.save_and_clear(&lex->save_list);
            mysql_init_select(lex);
            lex->current_select->parsing_place= SELECT_LIST;
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4292
          }
4293
          select_options select_item_list
4294 4295 4296 4297 4298 4299
          {
            Select->parsing_place= NO_MATTER;
          }
          opt_select_from
          {
            /*
4300 4301
              The following work only with the local list, the global list
              is created correctly in this case
4302 4303 4304
            */
            Lex->current_select->table_list.push_front(&Lex->save_list);
          }
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4305
        ;
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4306

4307
opt_as:
4308 4309 4310
          /* empty */ {}
        | AS {}
        ;
4311

4312
opt_create_database_options:
4313 4314 4315
          /* empty */ {}
        | create_database_options {}
        ;
4316 4317

create_database_options:
4318 4319 4320
          create_database_option {}
        | create_database_options create_database_option {}
        ;
4321 4322

create_database_option:
4323 4324 4325
          default_collation {}
        | default_charset {}
        ;
4326

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4327
opt_table_options:
4328 4329 4330
          /* empty */ { $$= 0; }
        | table_options  { $$= $1;}
        ;
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4331 4332

table_options:
4333 4334 4335
          table_option { $$=$1; }
        | table_option table_options { $$= $1 | $2; }
        ;
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4336

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4337
table_option:
4338 4339
          TEMPORARY { $$=HA_LEX_CREATE_TMP_TABLE; }
        ;
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4340 4341

opt_if_not_exists:
4342 4343 4344
          /* empty */ { $$= 0; }
        | IF not EXISTS { $$=HA_LEX_CREATE_IF_NOT_EXISTS; }
        ;
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4345 4346

opt_create_table_options:
4347 4348 4349
          /* empty */
        | create_table_options
        ;
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4350

4351
create_table_options_space_separated:
4352 4353 4354
          create_table_option
        | create_table_option create_table_options_space_separated
        ;
4355

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4356
create_table_options:
4357 4358 4359 4360
          create_table_option
        | create_table_option     create_table_options
        | create_table_option ',' create_table_options
        ;
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4361 4362

create_table_option:
4363 4364 4365 4366 4367 4368
          ENGINE_SYM opt_equal storage_engines
          {
            Lex->create_info.db_type= $3;
            Lex->create_info.used_fields|= HA_CREATE_USED_ENGINE;
          }
        | TYPE_SYM opt_equal storage_engines
4369 4370 4371 4372 4373 4374
          {
            Lex->create_info.db_type= $3;
            WARN_DEPRECATED(yythd, "5.2", "TYPE=storage_engine",
                            "'ENGINE=storage_engine'");
            Lex->create_info.used_fields|= HA_CREATE_USED_ENGINE;
          }
4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404
        | MAX_ROWS opt_equal ulonglong_num
          {
            Lex->create_info.max_rows= $3;
            Lex->create_info.used_fields|= HA_CREATE_USED_MAX_ROWS;
          }
        | MIN_ROWS opt_equal ulonglong_num
          {
            Lex->create_info.min_rows= $3;
            Lex->create_info.used_fields|= HA_CREATE_USED_MIN_ROWS;
          }
        | AVG_ROW_LENGTH opt_equal ulong_num
          {
            Lex->create_info.avg_row_length=$3;
            Lex->create_info.used_fields|= HA_CREATE_USED_AVG_ROW_LENGTH;
          }
        | PASSWORD opt_equal TEXT_STRING_sys
          {
            Lex->create_info.password=$3.str;
            Lex->create_info.used_fields|= HA_CREATE_USED_PASSWORD;
          }
        | COMMENT_SYM opt_equal TEXT_STRING_sys
          {
            Lex->create_info.comment=$3;
            Lex->create_info.used_fields|= HA_CREATE_USED_COMMENT;
          }
        | AUTO_INC opt_equal ulonglong_num
          {
            Lex->create_info.auto_increment_value=$3;
            Lex->create_info.used_fields|= HA_CREATE_USED_AUTO;
          }
4405 4406 4407 4408 4409 4410 4411 4412 4413 4414
        | PACK_KEYS_SYM opt_equal ulong_num
          {
            switch($3) {
            case 0:
                Lex->create_info.table_options|= HA_OPTION_NO_PACK_KEYS;
                break;
            case 1:
                Lex->create_info.table_options|= HA_OPTION_PACK_KEYS;
                break;
            default:
4415 4416
                my_parse_error(ER(ER_SYNTAX_ERROR));
                MYSQL_YYABORT;
4417 4418 4419 4420 4421 4422 4423 4424 4425
            }
            Lex->create_info.used_fields|= HA_CREATE_USED_PACK_KEYS;
          }
        | PACK_KEYS_SYM opt_equal DEFAULT
          {
            Lex->create_info.table_options&=
              ~(HA_OPTION_PACK_KEYS | HA_OPTION_NO_PACK_KEYS);
            Lex->create_info.used_fields|= HA_CREATE_USED_PACK_KEYS;
          }
4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489
        | CHECKSUM_SYM opt_equal ulong_num
          {
            Lex->create_info.table_options|= $3 ? HA_OPTION_CHECKSUM : HA_OPTION_NO_CHECKSUM;
            Lex->create_info.used_fields|= HA_CREATE_USED_CHECKSUM;
          }
        | DELAY_KEY_WRITE_SYM opt_equal ulong_num
          {
            Lex->create_info.table_options|= $3 ? HA_OPTION_DELAY_KEY_WRITE : HA_OPTION_NO_DELAY_KEY_WRITE;
            Lex->create_info.used_fields|= HA_CREATE_USED_DELAY_KEY_WRITE;
          }
        | ROW_FORMAT_SYM opt_equal row_types
          {
            Lex->create_info.row_type= $3;
            Lex->create_info.used_fields|= HA_CREATE_USED_ROW_FORMAT;
          }
        | UNION_SYM opt_equal '(' table_list ')'
          {
            /* Move the union list to the merge_list */
            LEX *lex=Lex;
            TABLE_LIST *table_list= lex->select_lex.get_table_list();
            lex->create_info.merge_list= lex->select_lex.table_list;
            lex->create_info.merge_list.elements--;
            lex->create_info.merge_list.first=
              (uchar*) (table_list->next_local);
            lex->select_lex.table_list.elements=1;
            lex->select_lex.table_list.next=
              (uchar**) &(table_list->next_local);
            table_list->next_local= 0;
            lex->create_info.used_fields|= HA_CREATE_USED_UNION;
          }
        | default_charset
        | default_collation
        | INSERT_METHOD opt_equal merge_insert_types
          {
            Lex->create_info.merge_insert_method= $3;
            Lex->create_info.used_fields|= HA_CREATE_USED_INSERT_METHOD;
          }
        | DATA_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys
          {
            Lex->create_info.data_file_name= $4.str;
            Lex->create_info.used_fields|= HA_CREATE_USED_DATADIR;
          }
        | INDEX_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys
          {
            Lex->create_info.index_file_name= $4.str;
            Lex->create_info.used_fields|= HA_CREATE_USED_INDEXDIR;
          }
        | TABLESPACE ident
          {Lex->create_info.tablespace= $2.str;}
        | STORAGE_SYM DISK_SYM
          {Lex->create_info.storage_media= HA_SM_DISK;}
        | STORAGE_SYM MEMORY_SYM
          {Lex->create_info.storage_media= HA_SM_MEMORY;}
        | CONNECTION_SYM opt_equal TEXT_STRING_sys
          {
            Lex->create_info.connect_string.str= $3.str;
            Lex->create_info.connect_string.length= $3.length;
            Lex->create_info.used_fields|= HA_CREATE_USED_CONNECTION;
          }
        | KEY_BLOCK_SIZE opt_equal ulong_num
          {
            Lex->create_info.used_fields|= HA_CREATE_USED_KEY_BLOCK_SIZE;
            Lex->create_info.key_block_size= $3;
          }
4490 4491 4492 4493 4494 4495
        | TRANSACTIONAL_SYM opt_equal ulong_num
          {
	    Lex->create_info.used_fields|= HA_CREATE_USED_TRANSACTIONAL;
            Lex->create_info.transactional= ($3 != 0 ? HA_CHOICE_YES :
        				     HA_CHOICE_NO);
          }
4496

4497
        ;
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4498

4499
default_charset:
4500 4501 4502 4503 4504 4505
          opt_default charset opt_equal charset_name_or_default
          {
            HA_CREATE_INFO *cinfo= &Lex->create_info;
            if ((cinfo->used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
                 cinfo->default_table_charset && $4 &&
                 !my_charset_same(cinfo->default_table_charset,$4))
4506
            {
4507 4508 4509
              my_error(ER_CONFLICTING_DECLARATIONS, MYF(0),
                       "CHARACTER SET ", cinfo->default_table_charset->csname,
                       "CHARACTER SET ", $4->csname);
4510
              MYSQL_YYABORT;
4511 4512 4513
            }
            Lex->create_info.default_table_charset= $4;
            Lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
4514 4515
          }
        ;
4516

4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532
default_collation:
          opt_default COLLATE_SYM opt_equal collation_name_or_default
          {
            HA_CREATE_INFO *cinfo= &Lex->create_info;
            if ((cinfo->used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
                 cinfo->default_table_charset && $4 &&
                 !my_charset_same(cinfo->default_table_charset,$4))
              {
                my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                         $4->name, cinfo->default_table_charset->csname);
                MYSQL_YYABORT;
              }
              Lex->create_info.default_table_charset= $4;
              Lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
          }
        ;
4533

4534 4535
storage_engines:
          ident_or_text
4536
          {
4537 4538 4539 4540 4541
            plugin_ref plugin= ha_resolve_by_name(YYTHD, &$1);

            if (plugin)
              $$= plugin_data(plugin, handlerton*);
            else
4542
            {
4543 4544 4545 4546 4547 4548 4549 4550 4551 4552
              if (YYTHD->variables.sql_mode & MODE_NO_ENGINE_SUBSTITUTION)
              {
                my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), $1.str);
                MYSQL_YYABORT;
              }
              $$= 0;
              push_warning_printf(YYTHD, MYSQL_ERROR::WARN_LEVEL_WARN,
                                  ER_UNKNOWN_STORAGE_ENGINE,
                                  ER(ER_UNKNOWN_STORAGE_ENGINE),
                                  $1.str);
4553
            }
4554
          }
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4555
        ;
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4556

4557
known_storage_engines:
4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568
          ident_or_text
          {
            plugin_ref plugin;
            if ((plugin= ha_resolve_by_name(YYTHD, &$1)))
              $$= plugin_data(plugin, handlerton*);
            else
            {
              my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
          }
4569
        ;
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4570 4571

row_types:
4572 4573 4574 4575 4576 4577
          DEFAULT        { $$= ROW_TYPE_DEFAULT; }
        | FIXED_SYM      { $$= ROW_TYPE_FIXED; }
        | DYNAMIC_SYM    { $$= ROW_TYPE_DYNAMIC; }
        | COMPRESSED_SYM { $$= ROW_TYPE_COMPRESSED; }
        | REDUNDANT_SYM  { $$= ROW_TYPE_REDUNDANT; }
        | COMPACT_SYM    { $$= ROW_TYPE_COMPACT; }
4578
 	| PAGE_SYM       { $$= ROW_TYPE_PAGE; }
4579
        ;
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4580

4581
merge_insert_types:
4582
         NO_SYM          { $$= MERGE_INSERT_DISABLED; }
4583
       | FIRST_SYM       { $$= MERGE_INSERT_TO_FIRST; }
4584 4585
       | LAST_SYM        { $$= MERGE_INSERT_TO_LAST; }
       ;
4586

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4587
opt_select_from:
4588 4589 4590
          opt_limit_clause {}
        | select_from select_lock_type
        ;
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4591 4592

udf_func_type:
4593 4594
          /* empty */ { $$ = UDFTYPE_FUNCTION; }
        | AGGREGATE_SYM { $$ = UDFTYPE_AGGREGATE; };
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4595 4596

udf_type:
4597 4598
          STRING_SYM {$$ = (int) STRING_RESULT; }
        | REAL {$$ = (int) REAL_RESULT; }
4599
        | DECIMAL_SYM {$$ = (int) DECIMAL_RESULT; }
4600 4601
        | INT_SYM {$$ = (int) INT_RESULT; }
        ;
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4602 4603

field_list:
4604 4605 4606
          field_list_item
        | field_list ',' field_list_item
        ;
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4607 4608

field_list_item:
4609 4610 4611
          column_def
        | key_def
        ;
4612 4613

column_def:
4614 4615 4616 4617 4618 4619
          field_spec opt_check_constraint
        | field_spec references
          {
            Lex->col_list.empty(); /* Alloced by sql_alloc */
          }
        ;
4620 4621

key_def:
4622 4623 4624 4625 4626 4627 4628 4629
          key_type opt_ident key_alg '(' key_list ')' key_options
          {
            LEX *lex=Lex;
            if ($1 != Key::FULLTEXT && lex->key_create_info.parser_name.str)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
4630 4631
            Key *key= new Key($1, $2, &lex->key_create_info, 0,
                              lex->col_list);
4632 4633 4634 4635 4636 4637 4638 4639
            lex->alter_info.key_list.push_back(key);
            lex->col_list.empty(); /* Alloced by sql_alloc */
          }
        | opt_constraint constraint_key_type opt_ident key_alg
          '(' key_list ')' key_options
          {
            LEX *lex=Lex;
            const char *key_name= $3 ? $3 : $1;
4640 4641
            Key *key= new Key($2, key_name, &lex->key_create_info, 0,
                              lex->col_list);
4642 4643 4644 4645 4646 4647
            lex->alter_info.key_list.push_back(key);
            lex->col_list.empty(); /* Alloced by sql_alloc */
          }
        | opt_constraint FOREIGN KEY_SYM opt_ident '(' key_list ')' references
          {
            LEX *lex=Lex;
4648 4649 4650
            const char *key_name= $1 ? $1 : $4;
            const char *fkey_name = $4 ? $4 : key_name;
            Key *key= new Foreign_key(fkey_name, lex->col_list,
4651 4652 4653 4654 4655 4656 4657 4658 4659 4660
                                      $8,
                                      lex->ref_list,
                                      lex->fk_delete_opt,
                                      lex->fk_update_opt,
                                      lex->fk_match_option);
            lex->alter_info.key_list.push_back(key);
            key= new Key(Key::MULTIPLE, key_name,
                         &default_key_create_info, 1,
                         lex->col_list);
            lex->alter_info.key_list.push_back(key);
4661
            lex->col_list.empty(); /* Alloced by sql_alloc */
4662 4663
            /* Only used for ALTER TABLE. Ignored otherwise. */
            lex->alter_info.flags|= ALTER_FOREIGN_KEY;
4664 4665 4666 4667 4668 4669 4670 4671 4672 4673
          }
        | constraint opt_check_constraint
          {
            Lex->col_list.empty(); /* Alloced by sql_alloc */
          }
        | opt_constraint check_constraint
          {
            Lex->col_list.empty(); /* Alloced by sql_alloc */
          }
        ;
4674

4675
opt_check_constraint:
4676 4677 4678
          /* empty */
        | check_constraint
        ;
4679 4680

check_constraint:
4681 4682
          CHECK_SYM expr
        ;
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4683 4684

opt_constraint:
4685 4686 4687
          /* empty */ { $$=(char*) 0; }
        | constraint { $$= $1; }
        ;
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4688 4689

constraint:
4690 4691
          CONSTRAINT opt_ident { $$=$2; }
        ;
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4692 4693

field_spec:
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          field_ident
          {
            LEX *lex=Lex;
            lex->length=lex->dec=0;
            lex->type=0;
            lex->default_value= lex->on_update_value= 0;
            lex->comment=null_lex_str;
            lex->charset=NULL;
          }
          type opt_attribute
          {
            LEX *lex=Lex;
            if (add_field_to_list(lex->thd, &$1, (enum enum_field_types) $3,
                                  lex->length,lex->dec,lex->type,
                                  lex->default_value, lex->on_update_value, 
                                  &lex->comment,
                                  lex->change,&lex->interval_list,lex->charset,
                                  lex->uint_geom_type))
              MYSQL_YYABORT;
          }
        ;
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4715 4716

type:
4717 4718 4719 4720
          int_type opt_len field_options { $$=$1; }
        | real_type opt_precision field_options { $$=$1; }
        | FLOAT_SYM float_options field_options { $$=MYSQL_TYPE_FLOAT; }
        | BIT_SYM
4721
          {
4722 4723
            Lex->length= (char*) "1";
            $$=MYSQL_TYPE_BIT;
4724
          }
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        | BIT_SYM '(' NUM ')'
          {
            Lex->length= $3.str;
            $$=MYSQL_TYPE_BIT;
          }
        | BOOL_SYM
          {
            Lex->length=(char*) "1";
            $$=MYSQL_TYPE_TINY;
          }
        | BOOLEAN_SYM
          {
            Lex->length=(char*) "1";
            $$=MYSQL_TYPE_TINY;
          }
        | char '(' NUM ')' opt_binary
          {
            Lex->length=$3.str;
            $$=MYSQL_TYPE_STRING;
          }
        | char opt_binary
          {
            Lex->length=(char*) "1";
            $$=MYSQL_TYPE_STRING;
          }
        | nchar '(' NUM ')' opt_bin_mod
          {
            Lex->length=$3.str;
            $$=MYSQL_TYPE_STRING;
            Lex->charset=national_charset_info;
          }
        | nchar opt_bin_mod
          {
            Lex->length=(char*) "1";
            $$=MYSQL_TYPE_STRING;
            Lex->charset=national_charset_info;
          }
        | BINARY '(' NUM ')'
          {
            Lex->length=$3.str;
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_STRING;
          }
        | BINARY
          {
            Lex->length= (char*) "1";
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_STRING;
          }
        | varchar '(' NUM ')' opt_binary
          {
            Lex->length=$3.str;
            $$= MYSQL_TYPE_VARCHAR;
          }
        | nvarchar '(' NUM ')' opt_bin_mod
          {
            Lex->length=$3.str;
            $$= MYSQL_TYPE_VARCHAR;
            Lex->charset=national_charset_info;
          }
        | VARBINARY '(' NUM ')'
          {
            Lex->length=$3.str;
            Lex->charset=&my_charset_bin;
            $$= MYSQL_TYPE_VARCHAR;
          }
        | YEAR_SYM opt_len field_options
          { $$=MYSQL_TYPE_YEAR; }
        | DATE_SYM
          { $$=MYSQL_TYPE_DATE; }
        | TIME_SYM
          { $$=MYSQL_TYPE_TIME; }
        | TIMESTAMP opt_len
          {
            if (YYTHD->variables.sql_mode & MODE_MAXDB)
              $$=MYSQL_TYPE_DATETIME;
            else
            {
              /* 
                Unlike other types TIMESTAMP fields are NOT NULL by default.
              */
              Lex->type|= NOT_NULL_FLAG;
              $$=MYSQL_TYPE_TIMESTAMP;
            }
          }
        | DATETIME
          { $$=MYSQL_TYPE_DATETIME; }
        | TINYBLOB
          {
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_TINY_BLOB;
          }
        | BLOB_SYM opt_len
          {
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_BLOB;
          }
        | spatial_type
          {
#ifdef HAVE_SPATIAL
            Lex->charset=&my_charset_bin;
            Lex->uint_geom_type= (uint)$1;
            $$=MYSQL_TYPE_GEOMETRY;
#else
            my_error(ER_FEATURE_DISABLED, MYF(0),
                     sym_group_geom.name, sym_group_geom.needed_define);
            MYSQL_YYABORT;
#endif
          }
        | MEDIUMBLOB
          {
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_MEDIUM_BLOB;
          }
        | LONGBLOB
          {
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_LONG_BLOB;
          }
        | LONG_SYM VARBINARY
          {
            Lex->charset=&my_charset_bin;
            $$=MYSQL_TYPE_MEDIUM_BLOB;
          }
        | LONG_SYM varchar opt_binary
          { $$=MYSQL_TYPE_MEDIUM_BLOB; }
        | TINYTEXT opt_binary
          { $$=MYSQL_TYPE_TINY_BLOB; }
        | TEXT_SYM opt_len opt_binary
          { $$=MYSQL_TYPE_BLOB; }
        | MEDIUMTEXT opt_binary
          { $$=MYSQL_TYPE_MEDIUM_BLOB; }
        | LONGTEXT opt_binary
          { $$=MYSQL_TYPE_LONG_BLOB; }
        | DECIMAL_SYM float_options field_options
          { $$=MYSQL_TYPE_NEWDECIMAL;}
        | NUMERIC_SYM float_options field_options
          { $$=MYSQL_TYPE_NEWDECIMAL;}
        | FIXED_SYM float_options field_options
          { $$=MYSQL_TYPE_NEWDECIMAL;}
        | ENUM
          {Lex->interval_list.empty();}
          '(' string_list ')' opt_binary
          { $$=MYSQL_TYPE_ENUM; }
        | SET
          { Lex->interval_list.empty();}
          '(' string_list ')' opt_binary
          { $$=MYSQL_TYPE_SET; }
        | LONG_SYM opt_binary
          { $$=MYSQL_TYPE_MEDIUM_BLOB; }
        | SERIAL_SYM
          {
            $$=MYSQL_TYPE_LONGLONG;
            Lex->type|= (AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNSIGNED_FLAG |
              UNIQUE_FLAG);
          }
        ;

spatial_type:
          GEOMETRY_SYM        { $$= Field::GEOM_GEOMETRY; }
        | GEOMETRYCOLLECTION  { $$= Field::GEOM_GEOMETRYCOLLECTION; }
        | POINT_SYM
          {
            Lex->length= (char*)"21";
            $$= Field::GEOM_POINT;
          }
        | MULTIPOINT          { $$= Field::GEOM_MULTIPOINT; }
        | LINESTRING          { $$= Field::GEOM_LINESTRING; }
        | MULTILINESTRING     { $$= Field::GEOM_MULTILINESTRING; }
        | POLYGON             { $$= Field::GEOM_POLYGON; }
        | MULTIPOLYGON        { $$= Field::GEOM_MULTIPOLYGON; }
        ;

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4898
char:
4899 4900
          CHAR_SYM {}
        ;
4901 4902

nchar:
4903 4904 4905
          NCHAR_SYM {}
        | NATIONAL_SYM CHAR_SYM {}
        ;
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4907
varchar:
4908 4909 4910
          char VARYING {}
        | VARCHAR {}
        ;
4911 4912

nvarchar:
4913 4914 4915 4916 4917 4918
          NATIONAL_SYM VARCHAR {}
        | NVARCHAR_SYM {}
        | NCHAR_SYM VARCHAR {}
        | NATIONAL_SYM CHAR_SYM VARYING {}
        | NCHAR_SYM VARYING {}
        ;
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4919 4920

int_type:
4921 4922 4923 4924 4925 4926
          INT_SYM   { $$=MYSQL_TYPE_LONG; }
        | TINYINT   { $$=MYSQL_TYPE_TINY; }
        | SMALLINT  { $$=MYSQL_TYPE_SHORT; }
        | MEDIUMINT { $$=MYSQL_TYPE_INT24; }
        | BIGINT    { $$=MYSQL_TYPE_LONGLONG; }
        ;
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4927 4928

real_type:
4929 4930 4931 4932 4933 4934 4935 4936 4937 4938
          REAL
          {
            $$= YYTHD->variables.sql_mode & MODE_REAL_AS_FLOAT ?
              MYSQL_TYPE_FLOAT : MYSQL_TYPE_DOUBLE;
          }
        | DOUBLE_SYM
          { $$=MYSQL_TYPE_DOUBLE; }
        | DOUBLE_SYM PRECISION
          { $$=MYSQL_TYPE_DOUBLE; }
        ;
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4939 4940

float_options:
4941 4942 4943 4944 4945 4946 4947
          /* empty */
          { Lex->dec=Lex->length= (char*)0; }
        | '(' NUM ')'
          { Lex->length=$2.str; Lex->dec= (char*)0; }
        | precision
          {}
        ;
4948 4949

precision:
4950 4951 4952 4953 4954 4955 4956
          '(' NUM ',' NUM ')'
          {
            LEX *lex=Lex;
            lex->length=$2.str;
            lex->dec=$4.str;
          }
        ;
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4957 4958

field_options:
4959 4960 4961
          /* empty */ {}
        | field_opt_list {}
        ;
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4962 4963

field_opt_list:
4964 4965 4966
          field_opt_list field_option {}
        | field_option {}
        ;
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4967 4968

field_option:
4969 4970 4971 4972
          SIGNED_SYM {}
        | UNSIGNED { Lex->type|= UNSIGNED_FLAG;}
        | ZEROFILL { Lex->type|= UNSIGNED_FLAG | ZEROFILL_FLAG; }
        ;
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4973 4974

opt_len:
4975 4976 4977
          /* empty */ { Lex->length=(char*) 0; /* use default length */ }
        | '(' NUM ')' { Lex->length= $2.str; }
        ;
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4978 4979

opt_precision:
4980 4981 4982
          /* empty */ {}
        | precision {}
        ;
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4983 4984

opt_attribute:
4985 4986 4987
          /* empty */ {}
        | opt_attribute_list {}
        ;
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opt_attribute_list:
4990 4991 4992
          opt_attribute_list attribute {}
        | attribute
        ;
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4993 4994

attribute:
4995 4996 4997 4998
          NULL_SYM { Lex->type&= ~ NOT_NULL_FLAG; }
        | not NULL_SYM { Lex->type|= NOT_NULL_FLAG; }
        | DEFAULT now_or_signed_literal { Lex->default_value=$2; }
        | ON UPDATE_SYM NOW_SYM optional_braces
4999
          { Lex->on_update_value= new Item_func_now_local(); }
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        | AUTO_INC { Lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG; }
        | SERIAL_SYM DEFAULT VALUE_SYM
          { 
            LEX *lex=Lex;
            lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNIQUE_FLAG;
            lex->alter_info.flags|= ALTER_ADD_INDEX;
          }
        | opt_primary KEY_SYM
          {
            LEX *lex=Lex;
            lex->type|= PRI_KEY_FLAG | NOT_NULL_FLAG;
            lex->alter_info.flags|= ALTER_ADD_INDEX;
          }
        | UNIQUE_SYM
          {
            LEX *lex=Lex;
            lex->type|= UNIQUE_FLAG; 
            lex->alter_info.flags|= ALTER_ADD_INDEX;
          }
        | UNIQUE_SYM KEY_SYM
          {
            LEX *lex=Lex;
            lex->type|= UNIQUE_KEY_FLAG; 
            lex->alter_info.flags|= ALTER_ADD_INDEX; 
          }
        | COMMENT_SYM TEXT_STRING_sys { Lex->comment= $2; }
        | COLLATE_SYM collation_name
          {
            if (Lex->charset && !my_charset_same(Lex->charset,$2))
            {
              my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
5031
                       $2->name,Lex->charset->csname);
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              MYSQL_YYABORT;
            }
            else
            {
              Lex->charset=$2;
            }
          }
        ;
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5040

5041
now_or_signed_literal:
5042 5043 5044 5045
          NOW_SYM optional_braces
          { $$= new Item_func_now_local(); }
        | signed_literal
          { $$=$1; }
5046 5047
        ;

5048
charset:
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          CHAR_SYM SET {}
        | CHARSET {}
        ;
5052

5053
charset_name:
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          ident_or_text
          {
            if (!($$=get_charset_by_csname($1.str,MY_CS_PRIMARY,MYF(0))))
            {
              my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
          }
        | BINARY { $$= &my_charset_bin; }
        ;
5064

5065
charset_name_or_default:
5066 5067 5068
          charset_name { $$=$1;   }
        | DEFAULT    { $$=NULL; }
        ;
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5069

5070
opt_load_data_charset:
5071 5072 5073
          /* Empty */ { $$= NULL; }
        | charset charset_name_or_default { $$= $2; }
        ;
5074 5075

old_or_new_charset_name:
5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086
          ident_or_text
          {
            if (!($$=get_charset_by_csname($1.str,MY_CS_PRIMARY,MYF(0))) &&
                !($$=get_old_charset_by_name($1.str)))
            {
              my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
          }
        | BINARY { $$= &my_charset_bin; }
        ;
5087 5088

old_or_new_charset_name_or_default:
5089 5090 5091
          old_or_new_charset_name { $$=$1;   }
        | DEFAULT    { $$=NULL; }
        ;
5092

5093
collation_name:
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          ident_or_text
          {
            if (!($$=get_charset_by_name($1.str,MYF(0))))
            {
              my_error(ER_UNKNOWN_COLLATION, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
          }
        ;
5103

5104
opt_collate:
5105 5106 5107
          /* empty */ { $$=NULL; }
        | COLLATE_SYM collation_name_or_default { $$=$2; }
        ;
5108

5109
collation_name_or_default:
5110 5111 5112
          collation_name { $$=$1; }
        | DEFAULT    { $$=NULL; }
        ;
5113

5114
opt_default:
5115 5116 5117
          /* empty */ {}
        | DEFAULT {}
        ;
5118

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opt_binary:
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          /* empty */ { Lex->charset=NULL; }
        | ASCII_SYM opt_bin_mod { Lex->charset=&my_charset_latin1; }
        | BYTE_SYM { Lex->charset=&my_charset_bin; }
        | UNICODE_SYM opt_bin_mod
          {
            if (!(Lex->charset=get_charset_by_csname("ucs2",
                                                     MY_CS_PRIMARY,MYF(0))))
            {
              my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), "ucs2");
              MYSQL_YYABORT;
            }
          }
        | charset charset_name opt_bin_mod { Lex->charset=$2; }
        | BINARY opt_bin_charset { Lex->type|= BINCMP_FLAG; }
        ;
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5135 5136

opt_bin_mod:
5137 5138 5139
          /* empty */ { }
        | BINARY { Lex->type|= BINCMP_FLAG; }
        ;
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5140 5141

opt_bin_charset:
5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152
          /* empty */ { Lex->charset= NULL; }
        | ASCII_SYM { Lex->charset=&my_charset_latin1; }
        | UNICODE_SYM
          {
            if (!(Lex->charset=get_charset_by_csname("ucs2",
                                                     MY_CS_PRIMARY,MYF(0))))
            {
              my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), "ucs2");
              MYSQL_YYABORT;
            }
          }
5153
        | charset charset_name { Lex->charset=$2; }
5154
        ;
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5155

5156
opt_primary:
5157 5158 5159
          /* empty */
        | PRIMARY_SYM
        ;
5160

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references:
5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172
          REFERENCES table_ident
          {
            LEX *lex=Lex;
            lex->fk_delete_opt= lex->fk_update_opt= lex->fk_match_option= 0;
            lex->ref_list.empty();
          }
          opt_ref_list
          {
            $$=$2;
          }
        ;
5173

5174
opt_ref_list:
5175 5176 5177
          /* empty */ opt_on_delete {}
        | '(' ref_list ')' opt_on_delete {}
        ;
5178 5179

ref_list:
5180 5181 5182
          ref_list ',' ident { Lex->ref_list.push_back(new Key_part_spec($3.str)); }
        | ident { Lex->ref_list.push_back(new Key_part_spec($1.str)); }
        ;
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5183 5184

opt_on_delete:
5185 5186 5187
          /* empty */ {}
        | opt_on_delete_list {}
        ;
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5188 5189

opt_on_delete_list:
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          opt_on_delete_list opt_on_delete_item {}
        | opt_on_delete_item {}
        ;
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5193 5194

opt_on_delete_item:
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          ON DELETE_SYM delete_option { Lex->fk_delete_opt= $3; }
        | ON UPDATE_SYM delete_option { Lex->fk_update_opt= $3; }
        | MATCH FULL       { Lex->fk_match_option= Foreign_key::FK_MATCH_FULL; }
        | MATCH PARTIAL    { Lex->fk_match_option= Foreign_key::FK_MATCH_PARTIAL; }
        | MATCH SIMPLE_SYM { Lex->fk_match_option= Foreign_key::FK_MATCH_SIMPLE; }
        ;
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5201 5202

delete_option:
5203 5204 5205 5206 5207 5208
          RESTRICT      { $$= (int) Foreign_key::FK_OPTION_RESTRICT; }
        | CASCADE       { $$= (int) Foreign_key::FK_OPTION_CASCADE; }
        | SET NULL_SYM  { $$= (int) Foreign_key::FK_OPTION_SET_NULL; }
        | NO_SYM ACTION { $$= (int) Foreign_key::FK_OPTION_NO_ACTION; }
        | SET DEFAULT   { $$= (int) Foreign_key::FK_OPTION_DEFAULT;  }
        ;
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5209 5210

key_type:
5211 5212 5213 5214
          key_or_index { $$= Key::MULTIPLE; }
        | FULLTEXT_SYM opt_key_or_index { $$= Key::FULLTEXT; }
        | SPATIAL_SYM opt_key_or_index
          {
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5215
#ifdef HAVE_SPATIAL
5216
            $$= Key::SPATIAL;
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5217
#else
5218
            my_error(ER_FEATURE_DISABLED, MYF(0),
5219
                     sym_group_geom.name, sym_group_geom.needed_define);
5220
            MYSQL_YYABORT;
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5221
#endif
5222 5223
          }
        ;
5224 5225

constraint_key_type:
5226 5227 5228
          PRIMARY_SYM KEY_SYM { $$= Key::PRIMARY; }
        | UNIQUE_SYM opt_key_or_index { $$= Key::UNIQUE; }
        ;
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5229 5230

key_or_index:
5231 5232 5233
          KEY_SYM {}
        | INDEX_SYM {}
        ;
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5234

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SCRUM  
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5235
opt_key_or_index:
5236 5237 5238
          /* empty */ {}
        | key_or_index
        ;
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SCRUM  
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5239

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5240
keys_or_index:
5241 5242 5243 5244
          KEYS {}
        | INDEX_SYM {}
        | INDEXES {}
        ;
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5245

5246
opt_unique_or_fulltext:
5247 5248 5249 5250 5251
          /* empty */  { $$= Key::MULTIPLE; }
        | UNIQUE_SYM   { $$= Key::UNIQUE; }
        | FULLTEXT_SYM { $$= Key::FULLTEXT;}
        | SPATIAL_SYM
          {
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5252
#ifdef HAVE_SPATIAL
5253
            $$= Key::SPATIAL;
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5254
#else
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5255
            my_error(ER_FEATURE_DISABLED, MYF(0),
5256
                     sym_group_geom.name, sym_group_geom.needed_define);
5257
            MYSQL_YYABORT;
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5258
#endif
5259
          }
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5260
        ;
5261

5262
init_key_options:
5263 5264 5265 5266
          {
            Lex->key_create_info= default_key_create_info;
          }
        ;
5267 5268

/*
5269
  For now, key_alg initializies lex->key_create_info.
5270 5271 5272 5273
  In the future, when all key options are after key definition,
  we can remove key_alg and move init_key_options to key_options
*/

5274
key_alg:
5275 5276 5277
          init_key_options
        | init_key_options key_using_alg
        ;
5278 5279

key_options:
5280 5281 5282
          /* empty */ {}
        | key_opts
        ;
5283 5284

key_opts:
5285 5286 5287
          key_opt
        | key_opts key_opt
        ;
5288 5289

key_using_alg:
5290 5291
          USING btree_or_rtree     { Lex->key_create_info.algorithm= $2; }
        | TYPE_SYM btree_or_rtree  { Lex->key_create_info.algorithm= $2; }
5292 5293
        ;

5294
key_opt:
5295 5296 5297 5298
          key_using_alg
        | KEY_BLOCK_SIZE opt_equal ulong_num
          { Lex->key_create_info.block_size= $3; }
        | WITH PARSER_SYM IDENT_sys
5299 5300
          {
            if (plugin_is_ready(&$3, MYSQL_FTPARSER_PLUGIN))
5301
              Lex->key_create_info.parser_name= $3;
5302 5303 5304
            else
            {
              my_error(ER_FUNCTION_NOT_DEFINED, MYF(0), $3.str);
5305
              MYSQL_YYABORT;
5306 5307 5308 5309
            }
          }
        ;

5310
btree_or_rtree:
5311 5312 5313 5314
          BTREE_SYM { $$= HA_KEY_ALG_BTREE; }
        | RTREE_SYM { $$= HA_KEY_ALG_RTREE; }
        | HASH_SYM  { $$= HA_KEY_ALG_HASH; }
        ;
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5315 5316

key_list:
5317 5318 5319
          key_list ',' key_part order_dir { Lex->col_list.push_back($3); }
        | key_part order_dir { Lex->col_list.push_back($1); }
        ;
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5320 5321

key_part:
5322 5323
          ident { $$=new Key_part_spec($1.str); }
        | ident '(' NUM ')'
5324
          {
5325 5326 5327 5328 5329 5330
            int key_part_len= atoi($3.str);
            if (!key_part_len)
            {
              my_error(ER_KEY_PART_0, MYF(0), $1.str);
            }
            $$=new Key_part_spec($1.str,(uint) key_part_len);
5331
          }
5332
        ;
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5333 5334

opt_ident:
5335 5336 5337
          /* empty */ { $$=(char*) 0; /* Default length */ }
        | field_ident { $$=$1.str; }
        ;
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5338

5339
opt_component:
5340 5341 5342
          /* empty */    { $$= null_lex_str; }
        | '.' ident      { $$= $2; }
        ;
5343

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5344
string_list:
5345 5346
          text_string { Lex->interval_list.push_back($1); }
        | string_list ',' text_string { Lex->interval_list.push_back($3); };
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5347 5348 5349 5350 5351 5352

/*
** Alter table
*/

alter:
5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374
          ALTER opt_ignore TABLE_SYM table_ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->name.str= 0;
            lex->name.length= 0;
            lex->sql_command= SQLCOM_ALTER_TABLE;
            lex->duplicates= DUP_ERROR; 
            if (!lex->select_lex.add_table_to_list(thd, $4, NULL,
                                                   TL_OPTION_UPDATING))
              MYSQL_YYABORT;
            lex->alter_info.reset();
            lex->col_list.empty();
            lex->select_lex.init_order();
            lex->select_lex.db=
              ((TABLE_LIST*) lex->select_lex.table_list.first)->db;
            bzero((char*) &lex->create_info,sizeof(lex->create_info));
            lex->create_info.db_type= 0;
            lex->create_info.default_table_charset= NULL;
            lex->create_info.row_type= ROW_TYPE_NOT_USED;
            lex->alter_info.reset();
            lex->no_write_to_binlog= 0;
5375
            lex->create_info.storage_media= HA_SM_DEFAULT;
5376 5377 5378 5379
          }
          alter_commands
          {}
        | ALTER DATABASE ident_or_empty
5380 5381 5382 5383
          {
            Lex->create_info.default_table_charset= NULL;
            Lex->create_info.used_fields= 0;
          }
5384
          create_database_options
5385 5386 5387 5388
          {
            LEX *lex=Lex;
            lex->sql_command=SQLCOM_ALTER_DB;
            lex->name= $3;
5389
            if (lex->name.str == NULL &&
5390
                lex->copy_db_to(&lex->name.str, &lex->name.length))
5391
              MYSQL_YYABORT;
5392
          }
5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403
        | ALTER DATABASE ident UPGRADE_SYM DATA_SYM DIRECTORY_SYM NAME_SYM
          {
            LEX *lex= Lex;
            if (lex->sphead)
            {
              my_error(ER_SP_NO_DROP_SP, MYF(0), "DATABASE");
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_ALTER_DB_UPGRADE;
            lex->name= $3;
          }
5404 5405 5406
        | ALTER PROCEDURE sp_name
          {
            LEX *lex= Lex;
5407

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            if (lex->sphead)
            {
              my_error(ER_SP_NO_DROP_SP, MYF(0), "PROCEDURE");
              MYSQL_YYABORT;
            }
            bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
          sp_a_chistics
          {
            LEX *lex=Lex;
5418

5419 5420
            lex->sql_command= SQLCOM_ALTER_PROCEDURE;
            lex->spname= $3;
5421
          }
5422 5423 5424
        | ALTER FUNCTION_SYM sp_name
          {
            LEX *lex= Lex;
5425

5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439
            if (lex->sphead)
            {
              my_error(ER_SP_NO_DROP_SP, MYF(0), "FUNCTION");
              MYSQL_YYABORT;
            }
            bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
          sp_a_chistics
          {
            LEX *lex=Lex;

            lex->sql_command= SQLCOM_ALTER_FUNCTION;
            lex->spname= $3;
          }
5440
        | ALTER view_algorithm definer
5441
          {
5442 5443 5444
            LEX *lex= Lex;

            if (lex->sphead)
5445 5446 5447 5448
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "ALTER VIEW");
              MYSQL_YYABORT;
            }
5449
            lex->create_view_mode= VIEW_ALTER;
5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460
          }
          view_tail
          {}
        | ALTER definer
          /*
            We have two separate rules for ALTER VIEW rather that
            optional view_algorithm above, to resolve the ambiguity
            with the ALTER EVENT below.
          */
          {
            LEX *lex= Lex;
5461 5462 5463 5464 5465 5466

            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "ALTER VIEW");
              MYSQL_YYABORT;
            }
5467
            lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
5468 5469
            lex->create_view_mode= VIEW_ALTER;
          }
5470
          view_tail
5471 5472
          {}
        | ALTER definer EVENT_SYM sp_name
5473
          /*
5474 5475
            BE CAREFUL when you add a new rule to update the block where
            YYTHD->client_capabilities is set back to original value
5476
          */
5477
          {
5478
            /* 
5479 5480 5481 5482 5483
              It is safe to use Lex->spname because
              ALTER EVENT xxx RENATE TO yyy DO ALTER EVENT RENAME TO
              is not allowed. Lex->spname is used in the case of RENAME TO
              If it had to be supported spname had to be added to
              Event_parse_data.
5484
            */
5485

5486
            if (!(Lex->event_parse_data= Event_parse_data::new_instance(YYTHD)))
5487
              MYSQL_YYABORT;
5488
            Lex->event_parse_data->identifier= $4;
5489

5490
            /*
5491
              We have to turn off CLIENT_MULTI_QUERIES while parsing a
5492 5493
              stored procedure, otherwise yylex will chop it into pieces
              at each ';'.
5494
            */
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5495
            $<ulong_num>$= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
5496
            YYTHD->client_capabilities &= ~CLIENT_MULTI_QUERIES;
5497 5498

            Lex->sql_command= SQLCOM_ALTER_EVENT;
5499
          }
5500 5501 5502 5503 5504
          ev_alter_on_schedule_completion
          opt_ev_rename_to
          opt_ev_status
          opt_ev_comment
          opt_ev_sql_stmt
5505
          {
5506 5507
            /*
              $1 - ALTER
5508 5509 5510 5511
              $2 - definer
              $3 - EVENT_SYM
              $4 - sp_name
              $5 - the block above
5512
            */
5513
            YYTHD->client_capabilities |= $<ulong_num>5;
5514

5515
            if (!($6 || $7 || $8 || $9 || $10))
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5516
            {
5517
              my_parse_error(ER(ER_SYNTAX_ERROR));
5518
              MYSQL_YYABORT;
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5519
            }
5520 5521 5522 5523
            /*
              sql_command is set here because some rules in ev_sql_stmt
              can overwrite it
            */
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5524
            Lex->sql_command= SQLCOM_ALTER_EVENT;
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5525
          }
5526 5527 5528 5529 5530
        | ALTER TABLESPACE alter_tablespace_info
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_cmd_type= ALTER_TABLESPACE;
          }
5531
        | ALTER LOGFILE_SYM GROUP_SYM alter_logfile_group_info
5532 5533 5534 5535 5536 5537 5538 5539 5540
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_cmd_type= ALTER_LOGFILE_GROUP;
          }
        | ALTER TABLESPACE change_tablespace_info
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_cmd_type= CHANGE_FILE_TABLESPACE;
          }
5541
        | ALTER TABLESPACE change_tablespace_access
5542 5543 5544 5545
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_cmd_type= ALTER_ACCESS_MODE_TABLESPACE;
          }
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5546 5547 5548
        | ALTER SERVER_SYM ident_or_text OPTIONS_SYM '(' server_options_list ')'
          {
            LEX *lex= Lex;
5549 5550 5551
            lex->sql_command= SQLCOM_ALTER_SERVER;
            lex->server_options.server_name= $3.str;
            lex->server_options.server_name_length= $3.length;
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5552
          }
5553
        ;
5554

5555 5556
ev_alter_on_schedule_completion:
          /* empty */ { $$= 0;}
5557 5558 5559
        | ON SCHEDULE_SYM ev_schedule_time { $$= 1; }
        | ev_on_completion { $$= 1; }
        | ON SCHEDULE_SYM ev_schedule_time ev_on_completion { $$= 1; }
5560
        ;
5561

5562 5563
opt_ev_rename_to:
          /* empty */ { $$= 0;}
5564 5565
        | RENAME TO_SYM sp_name
          {
5566 5567 5568 5569 5570
            /*
              Use lex's spname to hold the new name.
              The original name is in the Event_parse_data object
            */
            Lex->spname= $3; 
5571
            $$= 1;
5572
          }
5573
        ;
5574

5575 5576
opt_ev_sql_stmt:
          /* empty*/ { $$= 0;}
5577
        | DO_SYM ev_sql_stmt { $$= 1; }
5578
        ;
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5579

5580
ident_or_empty:
5581 5582 5583
          /* empty */ { $$.str= 0; $$.length= 0; }
        | ident { $$= $1; }
        ;
5584

5585
alter_commands:
5586 5587 5588
          /* empty */
        | DISCARD TABLESPACE { Lex->alter_info.tablespace_op= DISCARD_TABLESPACE; }
        | IMPORT TABLESPACE { Lex->alter_info.tablespace_op= IMPORT_TABLESPACE; }
5589
        | alter_list
5590
          opt_partitioning
5591 5592 5593
        | alter_list
          remove_partitioning
        | remove_partitioning
5594
        | partitioning
5595
/*
5596
  This part was added for release 5.1 by Mikael Ronström.
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  From here we insert a number of commands to manage the partitions of a
  partitioned table such as adding partitions, dropping partitions,
  reorganising partitions in various manners. In future releases the list
  will be longer and also include moving partitions to a
  new table and so forth.
*/
        | add_partition_rule
        | DROP PARTITION_SYM alt_part_name_list
          {
5606
            Lex->alter_info.flags|= ALTER_DROP_PARTITION;
5607
          }
5608 5609 5610 5611
        | REBUILD_SYM PARTITION_SYM opt_no_write_to_binlog
          all_or_alt_part_name_list
          {
            LEX *lex= Lex;
5612
            lex->alter_info.flags|= ALTER_REBUILD_PARTITION;
5613 5614 5615 5616 5617 5618
            lex->no_write_to_binlog= $3;
          }
        | OPTIMIZE PARTITION_SYM opt_no_write_to_binlog
          all_or_alt_part_name_list
          {
            LEX *lex= Lex;
5619
            lex->alter_info.flags|= ALTER_OPTIMIZE_PARTITION;
5620 5621 5622 5623 5624 5625 5626 5627
            lex->no_write_to_binlog= $3;
            lex->check_opt.init();
          }
          opt_no_write_to_binlog opt_mi_check_type
        | ANALYZE_SYM PARTITION_SYM opt_no_write_to_binlog
          all_or_alt_part_name_list
          {
            LEX *lex= Lex;
5628
            lex->alter_info.flags|= ALTER_ANALYZE_PARTITION;
5629 5630 5631 5632 5633 5634 5635
            lex->no_write_to_binlog= $3;
            lex->check_opt.init();
          }
          opt_mi_check_type
        | CHECK_SYM PARTITION_SYM all_or_alt_part_name_list
          {
            LEX *lex= Lex;
5636
            lex->alter_info.flags|= ALTER_CHECK_PARTITION;
5637 5638 5639 5640 5641 5642 5643
            lex->check_opt.init();
          }
          opt_mi_check_type
        | REPAIR PARTITION_SYM opt_no_write_to_binlog
          all_or_alt_part_name_list
          {
            LEX *lex= Lex;
5644
            lex->alter_info.flags|= ALTER_REPAIR_PARTITION;
5645 5646 5647 5648
            lex->no_write_to_binlog= $3;
            lex->check_opt.init();
          }
          opt_mi_repair_type
5649
        | COALESCE PARTITION_SYM opt_no_write_to_binlog real_ulong_num
5650 5651
          {
            LEX *lex= Lex;
5652
            lex->alter_info.flags|= ALTER_COALESCE_PARTITION;
5653
            lex->no_write_to_binlog= $3;
5654
            lex->alter_info.no_parts= $4;
5655 5656
          }
        | reorg_partition_rule
5657 5658
        ;

5659
remove_partitioning:
5660 5661 5662 5663
          REMOVE_SYM PARTITIONING_SYM
          {
            Lex->alter_info.flags|= ALTER_REMOVE_PARTITIONING;
          }
5664 5665
        ;

5666
all_or_alt_part_name_list:
5667 5668 5669 5670
          ALL
          {
            Lex->alter_info.flags|= ALTER_ALL_PARTITION;
          }
5671 5672 5673
        | alt_part_name_list
        ;

5674
add_partition_rule:
5675
          ADD PARTITION_SYM opt_no_write_to_binlog
5676
          {
5677 5678 5679 5680 5681 5682 5683 5684 5685
            LEX *lex= Lex;
            lex->part_info= new partition_info();
            if (!lex->part_info)
            {
              mem_alloc_error(sizeof(partition_info));
              MYSQL_YYABORT;
            }
            lex->alter_info.flags|= ALTER_ADD_PARTITION;
            lex->no_write_to_binlog= $3;
5686
          }
5687 5688
          add_part_extra
          {}
5689 5690 5691
        ;

add_part_extra:
5692
          /* empty */
5693
        | '(' part_def_list ')'
5694 5695 5696 5697
          {
            LEX *lex= Lex;
            lex->part_info->no_parts= lex->part_info->partitions.elements;
          }
5698
        | PARTITIONS_SYM real_ulong_num
5699 5700 5701 5702
          {
            LEX *lex= Lex;
            lex->part_info->no_parts= $2;
          }
5703 5704 5705
        ;

reorg_partition_rule:
5706
          REORGANIZE_SYM PARTITION_SYM opt_no_write_to_binlog
5707
          {
5708 5709 5710 5711
            LEX *lex= Lex;
            lex->part_info= new partition_info();
            if (!lex->part_info)
            {
5712
            mem_alloc_error(sizeof(partition_info));
5713 5714 5715
              MYSQL_YYABORT;
            }
            lex->no_write_to_binlog= $3;
5716
          }
5717
          reorg_parts_rule
5718 5719 5720
        ;

reorg_parts_rule:
5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733
          /* empty */
          {
            Lex->alter_info.flags|= ALTER_TABLE_REORG;
          }
        | alt_part_name_list
          {
            Lex->alter_info.flags|= ALTER_REORGANIZE_PARTITION;
          }
          INTO '(' part_def_list ')'
          {
            LEX *lex= Lex;
            lex->part_info->no_parts= lex->part_info->partitions.elements;
          }
5734 5735 5736
        ;

alt_part_name_list:
5737
          alt_part_name_item {}
5738 5739 5740 5741
        | alt_part_name_list ',' alt_part_name_item {}
        ;

alt_part_name_item:
5742
          ident
5743
          {
5744 5745 5746 5747 5748
            if (Lex->alter_info.partition_names.push_back($1.str))
            {
              mem_alloc_error(1);
              MYSQL_YYABORT;
            }
5749
          }
5750 5751 5752 5753 5754 5755
        ;

/*
  End of management of partition commands
*/

5756
alter_list:
5757 5758
          alter_list_item
        | alter_list ',' alter_list_item
5759
        ;
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5760 5761

add_column:
5762 5763 5764 5765 5766 5767 5768
          ADD opt_column
          {
            LEX *lex=Lex;
            lex->change=0;
            lex->alter_info.flags|= ALTER_ADD_COLUMN;
          }
        ;
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5769 5770

alter_list_item:
5771 5772
          add_column column_def opt_place { }
        | ADD key_def
5773
          {
5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784
            Lex->alter_info.flags|= ALTER_ADD_INDEX;
          }
        | add_column '(' field_list ')'
          {
            Lex->alter_info.flags|= ALTER_ADD_COLUMN | ALTER_ADD_INDEX;
          }
        | CHANGE opt_column field_ident
          {
            LEX *lex=Lex;
            lex->change= $3.str;
            lex->alter_info.flags|= ALTER_CHANGE_COLUMN;
5785
          }
5786
          field_spec opt_place
5787 5788 5789
        | MODIFY_SYM opt_column field_ident
          {
            LEX *lex=Lex;
5790
            lex->length=lex->dec=0; lex->type=0;
5791
            lex->default_value= lex->on_update_value= 0;
5792
            lex->comment=null_lex_str;
5793 5794
            lex->charset= NULL;
            lex->alter_info.flags|= ALTER_CHANGE_COLUMN;
5795 5796 5797 5798
          }
          type opt_attribute
          {
            LEX *lex=Lex;
5799
            if (add_field_to_list(lex->thd,&$3,
5800 5801
                                  (enum enum_field_types) $5,
                                  lex->length,lex->dec,lex->type,
5802
                                  lex->default_value, lex->on_update_value,
5803
                                  &lex->comment,
5804 5805 5806
                                  $3.str, &lex->interval_list, lex->charset,
                                  lex->uint_geom_type))
              MYSQL_YYABORT;
5807 5808
          }
          opt_place
5809 5810 5811 5812
        | DROP opt_column field_ident opt_restrict
          {
            LEX *lex=Lex;
            lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::COLUMN,
5813
                                                               $3.str));
5814 5815 5816
            lex->alter_info.flags|= ALTER_DROP_COLUMN;
          }
        | DROP FOREIGN KEY_SYM opt_ident
5817
          {
5818
            Lex->alter_info.flags|= ALTER_DROP_INDEX | ALTER_FOREIGN_KEY;
5819
          }
5820
        | DROP PRIMARY_SYM KEY_SYM
5821
          {
5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836
            LEX *lex=Lex;
            lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
                                                               primary_key_name));
            lex->alter_info.flags|= ALTER_DROP_INDEX;
          }
        | DROP key_or_index field_ident
          {
            LEX *lex=Lex;
            lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
                                                               $3.str));
            lex->alter_info.flags|= ALTER_DROP_INDEX;
          }
        | DISABLE_SYM KEYS
          {
            LEX *lex=Lex;
5837
            lex->alter_info.keys_onoff= DISABLE;
5838
            lex->alter_info.flags|= ALTER_KEYS_ONOFF;
5839
          }
5840
        | ENABLE_SYM KEYS
5841
          {
5842
            LEX *lex=Lex;
5843
            lex->alter_info.keys_onoff= ENABLE;
5844
            lex->alter_info.flags|= ALTER_KEYS_ONOFF;
5845
          }
5846 5847 5848 5849 5850 5851 5852 5853 5854 5855
        | ALTER opt_column field_ident SET DEFAULT signed_literal
          {
            LEX *lex=Lex;
            lex->alter_info.alter_list.push_back(new Alter_column($3.str,$6));
            lex->alter_info.flags|= ALTER_CHANGE_COLUMN_DEFAULT;
          }
        | ALTER opt_column field_ident DROP DEFAULT
          {
            LEX *lex=Lex;
            lex->alter_info.alter_list.push_back(new Alter_column($3.str,
5856
                                                                  (Item*) 0));
5857 5858 5859 5860 5861 5862 5863
            lex->alter_info.flags|= ALTER_CHANGE_COLUMN_DEFAULT;
          }
        | RENAME opt_to table_ident
          {
            LEX *lex=Lex;
            size_t dummy;
            lex->select_lex.db=$3->db.str;
5864
            if (lex->select_lex.db == NULL &&
5865
                lex->copy_db_to(&lex->select_lex.db, &dummy))
5866
            {
5867
              MYSQL_YYABORT;
5868
            }
5869
            if (check_table_name($3->table.str,$3->table.length) ||
5870
                $3->db.str && check_db_name(&$3->db))
5871
            {
5872
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $3->table.str);
5873
              MYSQL_YYABORT;
5874
            }
5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888
            lex->name= $3->table;
            lex->alter_info.flags|= ALTER_RENAME;
          }
        | CONVERT_SYM TO_SYM charset charset_name_or_default opt_collate
          {
            if (!$4)
            {
              THD *thd= YYTHD;
              $4= thd->variables.collation_database;
            }
            $5= $5 ? $5 : $4;
            if (!my_charset_same($4,$5))
            {
              my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
5889
                       $5->name, $4->csname);
5890 5891 5892 5893 5894 5895 5896 5897 5898
              MYSQL_YYABORT;
            }
            LEX *lex= Lex;
            lex->create_info.table_charset=
            lex->create_info.default_table_charset= $5;
            lex->create_info.used_fields|= (HA_CREATE_USED_CHARSET |
              HA_CREATE_USED_DEFAULT_CHARSET);
            lex->alter_info.flags|= ALTER_CONVERT;
          }
5899
        | create_table_options_space_separated
5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913
          {
            LEX *lex=Lex;
            lex->alter_info.flags|= ALTER_OPTIONS;
          }
        | FORCE_SYM
          {
            Lex->alter_info.flags|= ALTER_FORCE;
          }
        | alter_order_clause
          {
            LEX *lex=Lex;
            lex->alter_info.flags|= ALTER_ORDER;
          }
        ;
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5914 5915

opt_column:
5916 5917 5918
          /* empty */ {}
        | COLUMN_SYM {}
        ;
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5919 5920

opt_ignore:
5921 5922 5923
          /* empty */ { Lex->ignore= 0;}
        | IGNORE_SYM { Lex->ignore= 1;}
        ;
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5924 5925

opt_restrict:
5926 5927 5928 5929
          /* empty */ { Lex->drop_mode= DROP_DEFAULT; }
        | RESTRICT    { Lex->drop_mode= DROP_RESTRICT; }
        | CASCADE     { Lex->drop_mode= DROP_CASCADE; }
        ;
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5930 5931

opt_place:
5932 5933 5934 5935
          /* empty */ {}
        | AFTER_SYM ident { store_position_for_column($2.str); }
        | FIRST_SYM  { store_position_for_column(first_keyword); }
        ;
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5936 5937

opt_to:
5938 5939 5940 5941 5942
          /* empty */ {}
        | TO_SYM {}
        | EQ {}
        | AS {}
        ;
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5943

nick@mysql.com's avatar
nick@mysql.com committed
5944
/*
5945
  SLAVE START and SLAVE STOP are deprecated. We keep them for compatibility.
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monty@mashka.mysql.fi committed
5946 5947
*/

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5948
slave:
5949
          START_SYM SLAVE slave_thread_opts
5950
          {
5951
            LEX *lex=Lex;
5952
            lex->sql_command = SQLCOM_SLAVE_START;
5953 5954 5955
            lex->type = 0;
            /* We'll use mi structure for UNTIL options */
            bzero((char*) &lex->mi, sizeof(lex->mi));
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5956
            /* If you change this code don't forget to update SLAVE START too */
5957 5958 5959
          }
          slave_until
          {}
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5960 5961
        | STOP_SYM SLAVE slave_thread_opts
          {
5962
            LEX *lex=Lex;
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5963
            lex->sql_command = SQLCOM_SLAVE_STOP;
5964
            lex->type = 0;
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guilhem@gbichot2.local committed
5965
            /* If you change this code don't forget to update SLAVE STOP too */
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monty@mashka.mysql.fi committed
5966
          }
5967 5968 5969 5970 5971 5972 5973
        | SLAVE START_SYM slave_thread_opts
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_SLAVE_START;
            lex->type = 0;
            /* We'll use mi structure for UNTIL options */
            bzero((char*) &lex->mi, sizeof(lex->mi));
5974 5975 5976
          }
          slave_until
          {}
5977 5978 5979 5980 5981 5982
        | SLAVE STOP_SYM slave_thread_opts
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_SLAVE_STOP;
            lex->type = 0;
          }
5983 5984
        ;

5985
start:
5986 5987 5988 5989 5990 5991 5992
          START_SYM TRANSACTION_SYM start_transaction_opts
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_BEGIN;
            lex->start_transaction_opt= $3;
          }
        ;
5993

5994
start_transaction_opts:
5995
          /*empty*/ { $$ = 0; }
5996
        | WITH CONSISTENT_SYM SNAPSHOT_SYM
5997 5998 5999
          {
            $$= MYSQL_START_TRANS_OPT_WITH_CONS_SNAPSHOT;
          }
6000
        ;
6001

6002
slave_thread_opts:
6003 6004 6005 6006
          { Lex->slave_thd_opt= 0; }
          slave_thread_opt_list
          {}
        ;
6007 6008

slave_thread_opt_list:
6009 6010 6011
          slave_thread_opt
        | slave_thread_opt_list ',' slave_thread_opt
        ;
6012 6013

slave_thread_opt:
6014 6015 6016 6017
          /*empty*/ {}
        | SQL_THREAD   { Lex->slave_thd_opt|=SLAVE_SQL; }
        | RELAY_THREAD { Lex->slave_thd_opt|=SLAVE_IO; }
        ;
6018

6019
slave_until:
6020 6021
          /*empty*/ {}
        | UNTIL_SYM slave_until_opts
6022 6023 6024 6025 6026 6027 6028
          {
            LEX *lex=Lex;
            if ((lex->mi.log_file_name || lex->mi.pos) &&
                (lex->mi.relay_log_name || lex->mi.relay_log_pos) ||
                !((lex->mi.log_file_name && lex->mi.pos) ||
                  (lex->mi.relay_log_name && lex->mi.relay_log_pos)))
            {
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6029 6030
               my_message(ER_BAD_SLAVE_UNTIL_COND,
                          ER(ER_BAD_SLAVE_UNTIL_COND), MYF(0));
6031
               MYSQL_YYABORT;
6032 6033
            }
          }
6034
        ;
6035 6036

slave_until_opts:
6037 6038 6039
          master_file_def
        | slave_until_opts ',' master_file_def
        ;
6040

6041
restore:
6042 6043 6044 6045 6046 6047 6048 6049 6050
          RESTORE_SYM table_or_tables
          {
            Lex->sql_command = SQLCOM_RESTORE_TABLE;
          }
          table_list FROM TEXT_STRING_sys
          {
            Lex->backup_dir = $6.str;
          }
        ;
6051

6052
backup:
6053 6054 6055 6056 6057 6058 6059 6060 6061
          BACKUP_SYM table_or_tables
          {
            Lex->sql_command = SQLCOM_BACKUP_TABLE;
          }
          table_list TO_SYM TEXT_STRING_sys
          {
            Lex->backup_dir = $6.str;
          }
        ;
6062

6063
checksum:
6064 6065 6066 6067 6068 6069 6070 6071
          CHECKSUM_SYM table_or_tables
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_CHECKSUM;
          }
          table_list opt_checksum_type
          {}
        ;
6072

6073
opt_checksum_type:
6074 6075 6076
          /* nothing */ { Lex->check_opt.flags= 0; }
        | QUICK         { Lex->check_opt.flags= T_QUICK; }
        | EXTENDED_SYM  { Lex->check_opt.flags= T_EXTEND; }
6077 6078
        ;

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6079
repair:
6080 6081 6082 6083 6084 6085 6086 6087 6088 6089
          REPAIR opt_no_write_to_binlog table_or_tables
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_REPAIR;
            lex->no_write_to_binlog= $2;
            lex->check_opt.init();
          }
          table_list opt_mi_repair_type
          {}
        ;
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6090

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6091
opt_mi_repair_type:
6092 6093 6094
          /* empty */ { Lex->check_opt.flags = T_MEDIUM; }
        | mi_repair_types {}
        ;
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6095

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6096
mi_repair_types:
6097 6098 6099
          mi_repair_type {}
        | mi_repair_type mi_repair_types {}
        ;
6100

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6101
mi_repair_type:
6102 6103 6104 6105
          QUICK        { Lex->check_opt.flags|= T_QUICK; }
        | EXTENDED_SYM { Lex->check_opt.flags|= T_EXTEND; }
        | USE_FRM      { Lex->check_opt.sql_flags|= TT_USEFRM; }
        ;
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6106 6107

analyze:
6108 6109 6110 6111 6112 6113 6114 6115 6116 6117
          ANALYZE_SYM opt_no_write_to_binlog table_or_tables
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_ANALYZE;
            lex->no_write_to_binlog= $2;
            lex->check_opt.init();
          }
          table_list opt_mi_check_type
          {}
        ;
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6118

6119
binlog_base64_event:
6120 6121 6122 6123 6124
          BINLOG_SYM TEXT_STRING_sys
          {
            Lex->sql_command = SQLCOM_BINLOG_BASE64_EVENT;
            Lex->comment= $2;
          }
6125
        ;
6126

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6127
check:
6128 6129 6130
          CHECK_SYM table_or_tables
          {
            LEX *lex=Lex;
6131

6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "CHECK");
              MYSQL_YYABORT;
            }
            lex->sql_command = SQLCOM_CHECK;
            lex->check_opt.init();
          }
          table_list opt_mi_check_type
          {}
        ;
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6143

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6144
opt_mi_check_type:
6145 6146 6147
          /* empty */ { Lex->check_opt.flags = T_MEDIUM; }
        | mi_check_types {}
        ;
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6148 6149

mi_check_types:
6150 6151 6152
          mi_check_type {}
        | mi_check_type mi_check_types {}
        ;
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6153 6154

mi_check_type:
6155 6156 6157 6158 6159 6160 6161
          QUICK               { Lex->check_opt.flags|= T_QUICK; }
        | FAST_SYM            { Lex->check_opt.flags|= T_FAST; }
        | MEDIUM_SYM          { Lex->check_opt.flags|= T_MEDIUM; }
        | EXTENDED_SYM        { Lex->check_opt.flags|= T_EXTEND; }
        | CHANGED             { Lex->check_opt.flags|= T_CHECK_ONLY_CHANGED; }
        | FOR_SYM UPGRADE_SYM { Lex->check_opt.sql_flags|= TT_FOR_UPGRADE; }
        ;
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6162

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6163
optimize:
6164 6165 6166 6167 6168 6169 6170 6171 6172 6173
          OPTIMIZE opt_no_write_to_binlog table_or_tables
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_OPTIMIZE;
            lex->no_write_to_binlog= $2;
            lex->check_opt.init();
          }
          table_list opt_mi_check_type
          {}
        ;
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6174

6175
opt_no_write_to_binlog:
6176 6177 6178 6179
          /* empty */ { $$= 0; }
        | NO_WRITE_TO_BINLOG { $$= 1; }
        | LOCAL_SYM { $$= 1; }
        ;
6180

6181
rename:
6182
          RENAME table_or_tables
6183
          {
6184 6185 6186 6187 6188
            Lex->sql_command= SQLCOM_RENAME_TABLE;
          }
          table_to_table_list
          {}
        | RENAME USER clear_privileges rename_list
6189
          {
6190
            Lex->sql_command = SQLCOM_RENAME_USER;
6191
          }
6192
        ;
6193

6194
rename_list:
6195 6196 6197 6198 6199
          user TO_SYM user
          {
            if (Lex->users_list.push_back($1) || Lex->users_list.push_back($3))
              MYSQL_YYABORT;
          }
6200 6201 6202
        | rename_list ',' user TO_SYM user
          {
            if (Lex->users_list.push_back($3) || Lex->users_list.push_back($5))
6203
              MYSQL_YYABORT;
6204 6205 6206
          }
        ;

6207
table_to_table_list:
6208 6209 6210
          table_to_table
        | table_to_table_list ',' table_to_table
        ;
6211 6212

table_to_table:
6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223
          table_ident TO_SYM table_ident
          {
            LEX *lex=Lex;
            SELECT_LEX *sl= lex->current_select;
            if (!sl->add_table_to_list(lex->thd, $1,NULL,TL_OPTION_UPDATING,
                                       TL_IGNORE) ||
                !sl->add_table_to_list(lex->thd, $3,NULL,TL_OPTION_UPDATING,
                                       TL_IGNORE))
              MYSQL_YYABORT;
          }
        ;
6224

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6225
keycache:
6226 6227 6228 6229 6230 6231
          CACHE_SYM INDEX_SYM keycache_list IN_SYM key_cache_name
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_ASSIGN_TO_KEYCACHE;
            lex->ident= $5;
          }
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6232 6233 6234
        ;

keycache_list:
6235 6236 6237
          assign_to_keycache
        | keycache_list ',' assign_to_keycache
        ;
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6238 6239

assign_to_keycache:
6240 6241 6242 6243 6244 6245
          table_ident cache_keys_spec
          {
            if (!Select->add_table_to_list(YYTHD, $1, NULL, 0, TL_READ, 
                                           Select->pop_index_hints()))
              MYSQL_YYABORT;
          }
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6246 6247
        ;

6248
key_cache_name:
6249 6250 6251
          ident    { $$= $1; }
        | DEFAULT  { $$ = default_key_cache_base; }
        ;
6252

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6253
preload:
6254 6255 6256 6257 6258 6259 6260 6261
          LOAD INDEX_SYM INTO CACHE_SYM
          {
            LEX *lex=Lex;
            lex->sql_command=SQLCOM_PRELOAD_KEYS;
          }
          preload_list
          {}
        ;
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6262 6263

preload_list:
6264 6265 6266
          preload_keys
        | preload_list ',' preload_keys
        ;
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6267 6268

preload_keys:
6269 6270 6271 6272 6273 6274 6275
          table_ident cache_keys_spec opt_ignore_leaves
          {
            if (!Select->add_table_to_list(YYTHD, $1, NULL, $3, TL_READ,
                                           Select->pop_index_hints()))
              MYSQL_YYABORT;
          }
        ;
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6276

6277
cache_keys_spec:
6278 6279 6280 6281
          {
            Lex->select_lex.alloc_index_hints(YYTHD);
            Select->set_index_hint_type(INDEX_HINT_USE, 
                                        global_system_variables.old_mode ? 
6282 6283
                                        INDEX_HINT_MASK_JOIN : 
                                        INDEX_HINT_MASK_ALL);
6284 6285
          }
          cache_key_list_or_empty
6286
        ;
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6287

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6288
cache_key_list_or_empty:
6289 6290 6291
          /* empty */ { }
        | key_or_index '(' opt_key_usage_list ')'
        ;
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6292

6293
opt_ignore_leaves:
6294 6295 6296 6297
          /* empty */
          { $$= 0; }
        | IGNORE_SYM LEAVES { $$= TL_OPTION_IGNORE_LEAVES; }
        ;
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6298

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6299
/*
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monty@hundin.mysql.fi committed
6300
  Select : retrieve data from table
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6301 6302 6303 6304
*/


select:
6305 6306 6307 6308 6309 6310
          select_init
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
          }
        ;
6311

6312
/* Need select_init2 for subselects. */
6313
select_init:
6314 6315 6316
          SELECT_SYM select_init2
        | '(' select_paren ')' union_opt
        ;
6317 6318

select_paren:
6319 6320 6321
          SELECT_SYM select_part2
          {
            LEX *lex= Lex;
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6322
            SELECT_LEX * sel= lex->current_select;
6323 6324
            if (sel->set_braces(1))
            {
6325
              my_parse_error(ER(ER_SYNTAX_ERROR));
6326 6327
              MYSQL_YYABORT;
            }
6328 6329 6330 6331 6332
            if (sel->linkage == UNION_TYPE &&
                !sel->master_unit()->first_select()->braces &&
                sel->master_unit()->first_select()->linkage ==
                UNION_TYPE)
            {
6333 6334
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
6335
            }
6336
            /* select in braces, can't contain global parameters */
6337
            if (sel->master_unit()->fake_select_lex)
6338 6339
              sel->master_unit()->global_parameters=
                 sel->master_unit()->fake_select_lex;
6340
          }
6341 6342
        | '(' select_paren ')'
        ;
6343

6344
select_init2:
6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362
          select_part2
          {
            LEX *lex= Lex;
            SELECT_LEX * sel= lex->current_select;
            if (lex->current_select->set_braces(0))
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            if (sel->linkage == UNION_TYPE &&
                sel->master_unit()->first_select()->braces)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
          }
          union_clause
        ;
6363

6364
select_part2:
6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377
          {
            LEX *lex= Lex;
            SELECT_LEX *sel= lex->current_select;
            if (sel->linkage != UNION_TYPE)
              mysql_init_select(lex);
            lex->current_select->parsing_place= SELECT_LIST;
          }
          select_options select_item_list
          {
            Select->parsing_place= NO_MATTER;
          }
          select_into select_lock_type
        ;
6378

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6379
select_into:
6380
          opt_order_clause opt_limit_clause {}
6381
        | into
6382 6383 6384 6385
        | select_from
        | into select_from
        | select_from into
        ;
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6386 6387

select_from:
6388 6389
          FROM join_table_list where_clause group_clause having_clause
          opt_order_clause opt_limit_clause procedure_clause
6390 6391 6392 6393 6394
          {
            Select->context.table_list=
              Select->context.first_name_resolution_table= 
                (TABLE_LIST *) Select->table_list.first;
          }
6395
        | FROM DUAL_SYM where_clause opt_limit_clause
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6396 6397 6398 6399
          /* oracle compatibility: oracle always requires FROM clause,
             and DUAL is system table without fields.
             Is "SELECT 1 FROM DUAL" any better than "SELECT 1" ?
          Hmmm :) */
6400
        ;
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6401 6402

select_options:
6403 6404 6405 6406 6407 6408
          /* empty*/
        | select_option_list
          {
            if (Select->options & SELECT_DISTINCT && Select->options & SELECT_ALL)
            {
              my_error(ER_WRONG_USAGE, MYF(0), "ALL", "DISTINCT");
6409
              MYSQL_YYABORT;
6410
            }
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6411
          }
6412
        ;
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6413 6414

select_option_list:
6415 6416 6417
          select_option_list select_option
        | select_option
        ;
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6418 6419

select_option:
6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442
          STRAIGHT_JOIN { Select->options|= SELECT_STRAIGHT_JOIN; }
        | HIGH_PRIORITY
          {
            if (check_simple_select())
              MYSQL_YYABORT;
            Lex->lock_option= TL_READ_HIGH_PRIORITY;
          }
        | DISTINCT         { Select->options|= SELECT_DISTINCT; }
        | SQL_SMALL_RESULT { Select->options|= SELECT_SMALL_RESULT; }
        | SQL_BIG_RESULT   { Select->options|= SELECT_BIG_RESULT; }
        | SQL_BUFFER_RESULT
          {
            if (check_simple_select())
              MYSQL_YYABORT;
            Select->options|= OPTION_BUFFER_RESULT;
          }
        | SQL_CALC_FOUND_ROWS
          {
            if (check_simple_select())
              MYSQL_YYABORT;
            Select->options|= OPTION_FOUND_ROWS;
          }
        | SQL_NO_CACHE_SYM
6443 6444
          {
            Lex->safe_to_cache_query=0;
6445
            Lex->select_lex.options&= ~OPTION_TO_QUERY_CACHE;
6446 6447
            Lex->select_lex.sql_cache= SELECT_LEX::SQL_NO_CACHE;
          }
6448 6449
        | SQL_CACHE_SYM
          {
6450 6451 6452 6453 6454 6455
            /*
             Honor this flag only if SQL_NO_CACHE wasn't specified AND
             we are parsing the outermost SELECT in the query.
            */
            if (Lex->select_lex.sql_cache != SELECT_LEX::SQL_NO_CACHE &&
                Lex->current_select == &Lex->select_lex)
6456 6457
            {
              Lex->safe_to_cache_query=1;
6458
              Lex->select_lex.options|= OPTION_TO_QUERY_CACHE;
6459 6460
              Lex->select_lex.sql_cache= SELECT_LEX::SQL_CACHE;
            }
6461 6462 6463
          }
        | ALL { Select->options|= SELECT_ALL; }
        ;
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select_lock_type:
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          /* empty */
        | FOR_SYM UPDATE_SYM
          {
            LEX *lex=Lex;
            lex->current_select->set_lock_for_tables(TL_WRITE);
            lex->safe_to_cache_query=0;
          }
        | LOCK_SYM IN_SYM SHARE_SYM MODE_SYM
          {
            LEX *lex=Lex;
            lex->current_select->
              set_lock_for_tables(TL_READ_WITH_SHARED_LOCKS);
            lex->safe_to_cache_query=0;
          }
        ;
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6482
select_item_list:
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          select_item_list ',' select_item
        | select_item
        | '*'
          {
            THD *thd= YYTHD;
            if (add_item_to_list(thd,
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                                 new Item_field(&thd->lex->current_select->
                                                context,
                                                NULL, NULL, "*")))
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              MYSQL_YYABORT;
            (thd->lex->current_select->with_wild)++;
          }
        ;
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6496 6497

select_item:
6498 6499
          remember_name select_item2 remember_end select_alias
          {
6500 6501 6502
            THD *thd= YYTHD;
            DBUG_ASSERT($1 < $3);

6503 6504 6505
            if (add_item_to_list(thd, $2))
              MYSQL_YYABORT;
            if ($4.str)
6506 6507
            {
              $2->is_autogenerated_name= FALSE;
6508
              $2->set_name($4.str, $4.length, system_charset_info);
6509
            }
6510
            else if (!$2->name)
6511
            {
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              $2->set_name($1, (uint) ($3 - $1), thd->charset());
            }
          }
        ;
6516

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6517
remember_name:
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          {
            THD *thd= YYTHD;
            Lex_input_stream *lip= thd->m_lip;
            $$= (char*) lip->get_cpp_tok_start();
          }
        ;
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6524 6525

remember_end:
6526 6527 6528 6529 6530 6531
          {
            THD *thd= YYTHD;
            Lex_input_stream *lip= thd->m_lip;
            $$= (char*) lip->get_cpp_tok_end();
          }
        ;
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6532 6533

select_item2:
6534 6535 6536
          table_wild { $$=$1; /* table.* */ }
        | expr { $$=$1; }
        ;
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6537 6538

select_alias:
6539 6540 6541 6542 6543 6544
          /* empty */ { $$=null_lex_str;}
        | AS ident { $$=$2; }
        | AS TEXT_STRING_sys { $$=$2; }
        | ident { $$=$1; }
        | TEXT_STRING_sys { $$=$1; }
        ;
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6545 6546

optional_braces:
6547 6548 6549
          /* empty */ {}
        | '(' ')' {}
        ;
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6550

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6551
/* all possible expressions */
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6552
expr:
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6553
          expr or expr %prec OR_SYM
6554
          {
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            /*
              Design notes:
              Do not use a manually maintained stack like thd->lex->xxx_list,
              but use the internal bison stack ($$, $1 and $3) instead.
              Using the bison stack is:
              - more robust to changes in the grammar,
              - guaranteed to be in sync with the parser state,
              - better for performances (no memory allocation).
            */
            Item_cond_or *item1;
            Item_cond_or *item3;
            if (is_cond_or($1))
6567
            {
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              item1= (Item_cond_or*) $1;
              if (is_cond_or($3))
              {
                item3= (Item_cond_or*) $3;
                /*
                  (X1 OR X2) OR (Y1 OR Y2) ==> OR (X1, X2, Y1, Y2)
                */
                item3->add_at_head(item1->argument_list());
                $$ = $3;
              }
              else
              {
                /*
                  (X1 OR X2) OR Y ==> OR (X1, X2, Y)
                */
                item1->add($3);
                $$ = $1;
              }
            }
            else if (is_cond_or($3))
6588
            {
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              item3= (Item_cond_or*) $3;
              /*
                X OR (Y1 OR Y2) ==> OR (X, Y1, Y2)
              */
              item3->add_at_head($1);
              $$ = $3;
6595 6596
            }
            else
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            {
              /* X OR Y */
              $$ = new (YYTHD->mem_root) Item_cond_or($1, $3);
            }
6601
          }
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        | expr XOR expr %prec XOR
          {
            /* XOR is a proprietary extension */
            $$ = new (YYTHD->mem_root) Item_cond_xor($1, $3);
          }
        | expr and expr %prec AND_SYM
6608
          {
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6609 6610 6611 6612
            /* See comments in rule expr: expr or expr */
            Item_cond_and *item1;
            Item_cond_and *item3;
            if (is_cond_and($1))
6613
            {
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              item1= (Item_cond_and*) $1;
              if (is_cond_and($3))
              {
                item3= (Item_cond_and*) $3;
                /*
                  (X1 AND X2) AND (Y1 AND Y2) ==> AND (X1, X2, Y1, Y2)
                */
                item3->add_at_head(item1->argument_list());
                $$ = $3;
              }
              else
              {
                /*
                  (X1 AND X2) AND Y ==> AND (X1, X2, Y)
                */
                item1->add($3);
                $$ = $1;
              }
            }
            else if (is_cond_and($3))
            {
              item3= (Item_cond_and*) $3;
              /*
                X AND (Y1 AND Y2) ==> AND (X, Y1, Y2)
              */
              item3->add_at_head($1);
              $$ = $3;
6641 6642
            }
            else
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6643 6644 6645 6646
            {
              /* X AND Y */
              $$ = new (YYTHD->mem_root) Item_cond_and($1, $3);
            }
6647
          }
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        | NOT_SYM expr %prec NOT_SYM
          { $$= negate_expression(YYTHD, $2); }
        | bool_pri IS TRUE_SYM %prec IS
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          { $$= new (YYTHD->mem_root) Item_func_istrue($1); }
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6652
        | bool_pri IS not TRUE_SYM %prec IS
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6653
          { $$= new (YYTHD->mem_root) Item_func_isnottrue($1); }
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6654
        | bool_pri IS FALSE_SYM %prec IS
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6655
          { $$= new (YYTHD->mem_root) Item_func_isfalse($1); }
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6656
        | bool_pri IS not FALSE_SYM %prec IS
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6657
          { $$= new (YYTHD->mem_root) Item_func_isnotfalse($1); }
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6658 6659 6660 6661
        | bool_pri IS UNKNOWN_SYM %prec IS
          { $$= new Item_func_isnull($1); }
        | bool_pri IS not UNKNOWN_SYM %prec IS
          { $$= new Item_func_isnotnull($1); }
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        | bool_pri
        ;
6664 6665

bool_pri:
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          bool_pri IS NULL_SYM %prec IS
          { $$= new Item_func_isnull($1); }
        | bool_pri IS not NULL_SYM %prec IS
          { $$= new Item_func_isnotnull($1); }
        | bool_pri EQUAL_SYM predicate %prec EQUAL_SYM
          { $$= new Item_func_equal($1,$3); }
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        | bool_pri comp_op predicate %prec EQ
          { $$= (*$2)(0)->create($1,$3); }
        | bool_pri comp_op all_or_any '(' subselect ')' %prec EQ
          { $$= all_any_subquery_creator($1, $2, $3, $5); }
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6676
        | predicate ;
6677
        ;
6678 6679

predicate:
6680
          bit_expr IN_SYM '(' subselect ')'
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          {
            $$= new (YYTHD->mem_root) Item_in_subselect($1, $4);
          }
6684
        | bit_expr not IN_SYM '(' subselect ')'
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          {
            THD *thd= YYTHD;
            Item *item= new (thd->mem_root) Item_in_subselect($1, $5);
            $$= negate_expression(thd, item);
          }
6690 6691
        | bit_expr IN_SYM '(' expr ')'
          {
6692
            $$= handle_sql2003_note184_exception(YYTHD, $1, true, $4);
6693
          }
6694 6695 6696 6697
        | bit_expr IN_SYM '(' expr ',' expr_list ')'
          { 
            $6->push_front($4);
            $6->push_front($1);
6698
            $$= new (YYTHD->mem_root) Item_func_in(*$6);
6699
          }
6700
        | bit_expr not IN_SYM '(' expr ')'
6701
          {
6702
            $$= handle_sql2003_note184_exception(YYTHD, $1, false, $5);
6703
          }
6704
        | bit_expr not IN_SYM '(' expr ',' expr_list ')'
6705
          {
6706 6707
            $7->push_front($5);
            $7->push_front($1);
6708
            Item_func_in *item = new (YYTHD->mem_root) Item_func_in(*$7);
6709 6710
            item->negate();
            $$= item;
6711
          }
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        | bit_expr BETWEEN_SYM bit_expr AND_SYM predicate
          { $$= new Item_func_between($1,$3,$5); }
        | bit_expr not BETWEEN_SYM bit_expr AND_SYM predicate
          {
            Item_func_between *item= new Item_func_between($1,$4,$6);
            item->negate();
            $$= item;
          }
        | bit_expr SOUNDS_SYM LIKE bit_expr
          {
            $$= new Item_func_eq(new Item_func_soundex($1),
                                 new Item_func_soundex($4));
          }
        | bit_expr LIKE simple_expr opt_escape
6726
          { $$= new Item_func_like($1,$3,$4,Lex->escape_used); }
6727
        | bit_expr not LIKE simple_expr opt_escape
6728
          { $$= new Item_func_not(new Item_func_like($1,$4,$5, Lex->escape_used)); }
6729 6730
        | bit_expr REGEXP bit_expr { $$= new Item_func_regex($1,$3); }
        | bit_expr not REGEXP bit_expr
6731
          { $$= negate_expression(YYTHD, new Item_func_regex($1,$4)); }
6732 6733
        | bit_expr
        ;
6734 6735

bit_expr:
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6736 6737 6738 6739 6740
          bit_expr '|' bit_expr %prec '|'
          { $$= new Item_func_bit_or($1,$3); }
        | bit_expr '&' bit_expr %prec '&'
          { $$= new Item_func_bit_and($1,$3); }
        | bit_expr SHIFT_LEFT bit_expr %prec SHIFT_LEFT
6741
          { $$= new Item_func_shift_left($1,$3); }
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6742
        | bit_expr SHIFT_RIGHT bit_expr %prec SHIFT_RIGHT
6743
          { $$= new Item_func_shift_right($1,$3); }
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6744 6745 6746 6747 6748
        | bit_expr '+' bit_expr %prec '+'
          { $$= new Item_func_plus($1,$3); }
        | bit_expr '-' bit_expr %prec '-'
          { $$= new Item_func_minus($1,$3); }
        | bit_expr '+' interval_expr interval %prec '+'
6749
          { $$= new Item_date_add_interval($1,$3,$4,0); }
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6750
        | bit_expr '-' interval_expr interval %prec '-'
6751
          { $$= new Item_date_add_interval($1,$3,$4,1); }
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        | bit_expr '*' bit_expr %prec '*'
          { $$= new Item_func_mul($1,$3); }
        | bit_expr '/' bit_expr %prec '/'
          { $$= new Item_func_div($1,$3); }
        | bit_expr '%' bit_expr %prec '%'
          { $$= new Item_func_mod($1,$3); }
        | bit_expr DIV_SYM bit_expr %prec DIV_SYM
          { $$= new Item_func_int_div($1,$3); }
        | bit_expr MOD_SYM bit_expr %prec MOD_SYM
          { $$= new Item_func_mod($1,$3); }
        | bit_expr '^' bit_expr
          { $$= new Item_func_bit_xor($1,$3); }
6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794
        | simple_expr
        ;

or:
          OR_SYM
       | OR2_SYM
       ;

and:
          AND_SYM
       | AND_AND_SYM
       ;

not:
          NOT_SYM
        | NOT2_SYM
        ;

not2:
          '!'
        | NOT2_SYM
        ;

comp_op:
          EQ     { $$ = &comp_eq_creator; }
        | GE     { $$ = &comp_ge_creator; }
        | GT_SYM { $$ = &comp_gt_creator; }
        | LE     { $$ = &comp_le_creator; }
        | LT     { $$ = &comp_lt_creator; }
        | NE     { $$ = &comp_ne_creator; }
        ;
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6795

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all_or_any:
          ALL     { $$ = 1; }
        | ANY_SYM { $$ = 0; }
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6799 6800
        ;

6801
interval_expr:
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6802 6803
          INTERVAL_SYM expr %prec INTERVAL_SYM
          { $$=$2; }
6804 6805
        ;

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6806
simple_expr:
6807
          simple_ident
6808 6809 6810 6811
        | function_call_keyword
        | function_call_nonkeyword
        | function_call_generic
        | function_call_conflict
6812 6813
        | simple_expr COLLATE_SYM ident_or_text %prec NEG
          {
6814 6815 6816 6817
            THD *thd= YYTHD;
            Item *i1= new (thd->mem_root) Item_string($3.str,
                                                      $3.length,
                                                      thd->charset());
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            $$= new (thd->mem_root) Item_func_set_collation($1, i1);
          }
        | literal
        | param_marker
        | variable
        | sum_expr
        | simple_expr OR_OR_SYM simple_expr
          { $$= new (YYTHD->mem_root) Item_func_concat($1, $3); }
6826
        | '+' simple_expr %prec NEG { $$= $2; }
6827
        | '-' simple_expr %prec NEG
6828
          { $$= new (YYTHD->mem_root) Item_func_neg($2); }
6829
        | '~' simple_expr %prec NEG
6830
          { $$= new (YYTHD->mem_root) Item_func_bit_neg($2); }
6831
        | not2 simple_expr %prec NEG
6832
          { $$= negate_expression(YYTHD, $2); }
6833
        | '(' subselect ')'
6834
          { 
6835
            $$= new (YYTHD->mem_root) Item_singlerow_subselect($2); 
6836
          }
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        | '(' expr ')' { $$= $2; }
        | '(' expr ',' expr_list ')'
          {
            $4->push_front($2);
            $$= new (YYTHD->mem_root) Item_row(*$4);
          }
        | ROW_SYM '(' expr ',' expr_list ')'
          {
            $5->push_front($3);
            $$= new (YYTHD->mem_root) Item_row(*$5);
          }
        | EXISTS '(' subselect ')'
6849
          {
6850
            $$= new (YYTHD->mem_root) Item_exists_subselect($3); 
6851
          }
6852
        | '{' ident expr '}' { $$= $3; }
6853
        | MATCH ident_list_arg AGAINST '(' bit_expr fulltext_options ')'
6854 6855 6856 6857 6858 6859
          {
            $2->push_front($5);
            Item_func_match *i1= new (YYTHD->mem_root) Item_func_match(*$2, $6);
            Select->add_ftfunc_to_list(i1);
            $$= i1;
          }
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        | BINARY simple_expr %prec NEG
          {
6862
            $$= create_func_cast(YYTHD, $2, ITEM_CAST_CHAR, NULL, NULL,
6863
                                 &my_charset_bin);
6864 6865 6866
          }
        | CAST_SYM '(' expr AS cast_type ')'
          {
6867
            LEX *lex= Lex;
6868
            $$= create_func_cast(YYTHD, $3, $5, lex->length, lex->dec,
6869
                                 lex->charset);
6870
            if (!$$)
6871
              MYSQL_YYABORT;
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          }
        | CASE_SYM opt_expr when_list opt_else END
          { $$= new (YYTHD->mem_root) Item_func_case(* $3, $2, $4 ); }
        | CONVERT_SYM '(' expr ',' cast_type ')'
          {
            $$= create_func_cast(YYTHD, $3, $5, Lex->length, Lex->dec,
6878
                                 Lex->charset);
6879
            if (!$$)
6880
              MYSQL_YYABORT;
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          }
        | CONVERT_SYM '(' expr USING charset_name ')'
          { $$= new (YYTHD->mem_root) Item_func_conv_charset($3,$5); }
        | DEFAULT '(' simple_ident ')'
          {
            if ($3->is_splocal())
            {
              Item_splocal *il= static_cast<Item_splocal *>($3);

              my_error(ER_WRONG_COLUMN_NAME, MYF(0), il->my_name()->str);
              MYSQL_YYABORT;
            }
            $$= new (YYTHD->mem_root) Item_default_value(Lex->current_context(),
6894
                                                         $3);
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          }
        | VALUES '(' simple_ident_nospvar ')'
          {
            $$= new (YYTHD->mem_root) Item_insert_value(Lex->current_context(),
                                                        $3);
          }
        | interval_expr interval '+' expr
          /* we cannot put interval before - */
          { $$= new (YYTHD->mem_root) Item_date_add_interval($4,$1,$2,0); }
        | interval_expr
          {
6906 6907
            if ($1->type() != Item::ROW_ITEM)
            {
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6908
              my_parse_error(ER(ER_SYNTAX_ERROR));
6909
              MYSQL_YYABORT;
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            }
            $$= new (YYTHD->mem_root) Item_func_interval((Item_row *)$1);
          }
        ;

/*
  Function call syntax using official SQL 2003 keywords.
  Because the function name is an official token,
  a dedicated grammar rule is needed in the parser.
  There is no potential for conflicts
*/
function_call_keyword:
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          CHAR_SYM '(' expr_list ')'
          { $$= new (YYTHD->mem_root) Item_func_char(*$3); }
        | CHAR_SYM '(' expr_list USING charset_name ')'
          { $$= new (YYTHD->mem_root) Item_func_char(*$3, $5); }
        | CURRENT_USER optional_braces
6927
          {
6928
            $$= new (YYTHD->mem_root) Item_func_current_user(Lex->current_context());
6929 6930
            Lex->safe_to_cache_query= 0;
          }
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        | DATE_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_date_typecast($3); }
        | DAY_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_dayofmonth($3); }
        | HOUR_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_hour($3); }
        | INSERT '(' expr ',' expr ',' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_insert($3,$5,$7,$9); }
        | LEFT '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_left($3,$5); }
        | MINUTE_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_minute($3); }
        | MONTH_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_month($3); }
        | RIGHT '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_right($3,$5); }
        | SECOND_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_second($3); }
        | TIME_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_time_typecast($3); }
        | TIMESTAMP '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_datetime_typecast($3); }
        | TIMESTAMP '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_add_time($3, $5, 1, 0); }
        | TRIM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_trim($3); }
        | TRIM '(' LEADING expr FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_ltrim($6,$4); }
        | TRIM '(' TRAILING expr FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_rtrim($6,$4); }
        | TRIM '(' BOTH expr FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_trim($6,$4); }
        | TRIM '(' LEADING FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_ltrim($5); }
        | TRIM '(' TRAILING FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_rtrim($5); }
        | TRIM '(' BOTH FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_trim($5); }
        | TRIM '(' expr FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_trim($5,$3); }
        | USER '(' ')'
          {
6973 6974
            $$= new (YYTHD->mem_root) Item_func_user();
            Lex->safe_to_cache_query=0;
6975
          }
6976 6977
        | YEAR_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_year($3); }
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        ;

/*
  Function calls using non reserved keywords, with special syntaxic forms.
  Dedicated grammar rules are needed because of the syntax,
  but also have the potential to cause incompatibilities with other
  parts of the language.
  MAINTAINER:
  The only reasons a function should be added here are:
  - for compatibility reasons with another SQL syntax (CURDATE),
  - for typing reasons (GET_FORMAT)
  Any other 'Syntaxic sugar' enhancements should be *STRONGLY*
  discouraged.
*/
function_call_nonkeyword:
6993 6994
          ADDDATE_SYM '(' expr ',' expr ')'
          {
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            $$= new (YYTHD->mem_root) Item_date_add_interval($3, $5,
                                                             INTERVAL_DAY, 0);
          }
6998 6999 7000 7001
        | ADDDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
          { $$= new (YYTHD->mem_root) Item_date_add_interval($3, $6, $7, 0); }
        | CURDATE optional_braces
          {
7002 7003 7004
            $$= new (YYTHD->mem_root) Item_func_curdate_local();
            Lex->safe_to_cache_query=0;
          }
7005 7006
        | CURTIME optional_braces
          {
7007 7008 7009
            $$= new (YYTHD->mem_root) Item_func_curtime_local();
            Lex->safe_to_cache_query=0;
          }
7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024
        | CURTIME '(' expr ')'
          {
            $$= new (YYTHD->mem_root) Item_func_curtime_local($3);
            Lex->safe_to_cache_query=0;
          }
        | DATE_ADD_INTERVAL '(' expr ',' interval_expr interval ')'
          { $$= new (YYTHD->mem_root) Item_date_add_interval($3,$5,$6,0); }
        | DATE_SUB_INTERVAL '(' expr ',' interval_expr interval ')'
          { $$= new (YYTHD->mem_root) Item_date_add_interval($3,$5,$6,1); }
        | EXTRACT_SYM '(' interval FROM expr ')'
          { $$=new (YYTHD->mem_root) Item_extract( $3, $5); }
        | GET_FORMAT '(' date_time_type  ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_get_format($3, $5); }
        | NOW_SYM optional_braces
          {
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            $$= new (YYTHD->mem_root) Item_func_now_local();
            Lex->safe_to_cache_query=0;
          }
7028 7029
        | NOW_SYM '(' expr ')'
          {
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            $$= new (YYTHD->mem_root) Item_func_now_local($3);
            Lex->safe_to_cache_query=0;
          }
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        | POSITION_SYM '(' bit_expr IN_SYM expr ')'
          { $$ = new (YYTHD->mem_root) Item_func_locate($5,$3); }
        | SUBDATE_SYM '(' expr ',' expr ')'
          {
7037 7038 7039
            $$= new (YYTHD->mem_root) Item_date_add_interval($3, $5,
                                                             INTERVAL_DAY, 1);
          }
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        | SUBDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
          { $$= new (YYTHD->mem_root) Item_date_add_interval($3, $6, $7, 1); }
        | SUBSTRING '(' expr ',' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_substr($3,$5,$7); }
        | SUBSTRING '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_substr($3,$5); }
        | SUBSTRING '(' expr FROM expr FOR_SYM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_substr($3,$5,$7); }
        | SUBSTRING '(' expr FROM expr ')'
          { $$= new (YYTHD->mem_root) Item_func_substr($3,$5); }
        | SYSDATE optional_braces
7051 7052
          {
            if (global_system_variables.sysdate_is_now == 0)
7053 7054 7055
              $$= new (YYTHD->mem_root) Item_func_sysdate_local();
            else
              $$= new (YYTHD->mem_root) Item_func_now_local();
7056 7057
            Lex->safe_to_cache_query=0;
          }
7058
        | SYSDATE '(' expr ')'
7059 7060
          {
            if (global_system_variables.sysdate_is_now == 0)
7061 7062 7063
              $$= new (YYTHD->mem_root) Item_func_sysdate_local($3);
            else
              $$= new (YYTHD->mem_root) Item_func_now_local($3);
7064 7065
            Lex->safe_to_cache_query=0;
          }
7066 7067 7068 7069 7070 7071
        | TIMESTAMP_ADD '(' interval_time_st ',' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_date_add_interval($7,$5,$3,0); }
        | TIMESTAMP_DIFF '(' interval_time_st ',' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_timestamp_diff($5,$7,$3); }
        | UTC_DATE_SYM optional_braces
          {
7072 7073 7074
            $$= new (YYTHD->mem_root) Item_func_curdate_utc();
            Lex->safe_to_cache_query=0;
          }
7075 7076
        | UTC_TIME_SYM optional_braces
          {
7077 7078 7079
            $$= new (YYTHD->mem_root) Item_func_curtime_utc();
            Lex->safe_to_cache_query=0;
          }
7080 7081
        | UTC_TIMESTAMP_SYM optional_braces
          {
7082 7083 7084 7085
            $$= new (YYTHD->mem_root) Item_func_now_utc();
            Lex->safe_to_cache_query=0;
          }
        ;
7086

7087
/*
malff/marcsql@weblab.(none)'s avatar
malff/marcsql@weblab.(none) committed
7088
  Functions calls using a non reserved keyword, and using a regular syntax.
7089 7090 7091 7092
  Because the non reserved keyword is used in another part of the grammar,
  a dedicated rule is needed here.
*/
function_call_conflict:
7093
          ASCII_SYM '(' expr ')'
7094
          { $$= new (YYTHD->mem_root) Item_func_ascii($3); }
7095 7096 7097 7098 7099 7100 7101 7102 7103
        | CHARSET '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_charset($3); }
        | COALESCE '(' expr_list ')'
          { $$= new (YYTHD->mem_root) Item_func_coalesce(* $3); }
        | COLLATION_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_collation($3); }
        | DATABASE '(' ')'
          {
            $$= new (YYTHD->mem_root) Item_func_database();
7104
            Lex->safe_to_cache_query=0;
7105 7106 7107 7108 7109 7110 7111 7112 7113 7114 7115
          }
        | IF '(' expr ',' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_if($3,$5,$7); }
        | MICROSECOND_SYM '(' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_microsecond($3); }
        | MOD_SYM '(' expr ',' expr ')'
          { $$ = new (YYTHD->mem_root) Item_func_mod( $3, $5); }
        | OLD_PASSWORD '(' expr ')'
          { $$=  new (YYTHD->mem_root) Item_func_old_password($3); }
        | PASSWORD '(' expr ')'
          {
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            THD *thd= YYTHD;
            Item* i1;
            if (thd->variables.old_passwords)
              i1= new (thd->mem_root) Item_func_old_password($3);
            else
              i1= new (thd->mem_root) Item_func_password($3);
            $$= i1;
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          }
        | QUARTER_SYM '(' expr ')'
          { $$ = new (YYTHD->mem_root) Item_func_quarter($3); }
        | REPEAT_SYM '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_repeat($3,$5); }
        | REPLACE '(' expr ',' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_replace($3,$5,$7); }
        | TRUNCATE_SYM '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_round($3,$5,1); }
        | WEEK_SYM '(' expr ')'
          {
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            THD *thd= YYTHD;
            Item *i1= new (thd->mem_root) Item_int((char*) "0",
                                           thd->variables.default_week_format,
                                                   1);

            $$= new (thd->mem_root) Item_func_week($3, i1);
          }
7141 7142
        | WEEK_SYM '(' expr ',' expr ')'
          { $$= new (YYTHD->mem_root) Item_func_week($3,$5); }
7143
        | geometry_function
7144
          {
7145 7146 7147 7148 7149
#ifdef HAVE_SPATIAL
            $$= $1;
#else
            my_error(ER_FEATURE_DISABLED, MYF(0),
                     sym_group_geom.name, sym_group_geom.needed_define);
7150
            MYSQL_YYABORT;
7151 7152 7153 7154 7155
#endif
          }
        ;

geometry_function:
7156 7157
          CONTAINS_SYM '(' expr ',' expr ')'
          {
7158 7159 7160 7161
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_rel($3, $5,
                                               Item_func::SP_CONTAINS_FUNC));
          }
7162 7163
        | GEOMETRYCOLLECTION '(' expr_list ')'
          {
7164 7165 7166 7167 7168
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_collection(* $3,
                           Geometry::wkb_geometrycollection,
                           Geometry::wkb_point));
          }
7169 7170
        | LINESTRING '(' expr_list ')'
          {
7171 7172 7173 7174 7175
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_collection(* $3,
                           Geometry::wkb_linestring,
                           Geometry::wkb_point));
          }
7176 7177
        | MULTILINESTRING '(' expr_list ')'
          {
7178 7179 7180 7181 7182
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_collection(* $3,
                           Geometry::wkb_multilinestring,
                           Geometry::wkb_linestring));
          }
7183 7184
        | MULTIPOINT '(' expr_list ')'
          {
7185 7186 7187 7188 7189
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_collection(* $3,
                           Geometry::wkb_multipoint,
                           Geometry::wkb_point));
          }
7190 7191
        | MULTIPOLYGON '(' expr_list ')'
          {
7192 7193 7194 7195 7196
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_collection(* $3,
                           Geometry::wkb_multipolygon,
                           Geometry::wkb_polygon));
          }
7197 7198 7199 7200
        | POINT_SYM '(' expr ',' expr ')'
          { $$= GEOM_NEW(YYTHD, Item_func_point($3,$5)); }
        | POLYGON '(' expr_list ')'
          {
7201 7202
            $$= GEOM_NEW(YYTHD,
                         Item_func_spatial_collection(* $3,
7203
                           Geometry::wkb_polygon,
7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217
                           Geometry::wkb_linestring));
          }
        ;

/*
  Regular function calls.
  The function name is *not* a token, and therefore is guaranteed to not
  introduce side effects to the language in general.
  MAINTAINER:
  All the new functions implemented for new features should fit into
  this category. The place to implement the function itself is
  in sql/item_create.cc
*/
function_call_generic:
7218
          IDENT_sys '('
7219
          {
7220 7221 7222 7223 7224 7225
#ifdef HAVE_DLOPEN
            udf_func *udf= 0;
            LEX *lex= Lex;
            if (using_udf_functions &&
                (udf= find_udf($1.str, $1.length)) &&
                udf->type == UDFTYPE_AGGREGATE)
7226
            {
7227 7228 7229 7230 7231
              if (lex->current_select->inc_in_sum_expr())
              {
                my_parse_error(ER(ER_SYNTAX_ERROR));
                MYSQL_YYABORT;
              }
7232
            }
7233 7234
            /* Temporary placing the result of find_udf in $3 */
            $<udf>$= udf;
7235 7236
#endif
          }
7237
          opt_udf_expr_list ')'
7238
          {
7239 7240 7241
            THD *thd= YYTHD;
            Create_func *builder;
            Item *item= NULL;
7242

7243 7244 7245 7246 7247 7248
            /*
              Implementation note:
              names are resolved with the following order:
              - MySQL native functions,
              - User Defined Functions,
              - Stored Functions (assuming the current <use> database)
7249

7250 7251 7252 7253 7254 7255
              This will be revised with WL#2128 (SQL PATH)
            */
            builder= find_native_function_builder(thd, $1);
            if (builder)
            {
              item= builder->create(thd, $1, $4);
7256 7257
            }
            else
7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272
            {
#ifdef HAVE_DLOPEN
              /* Retrieving the result of find_udf */
              udf_func *udf= $<udf>3;

              if (udf)
              {
                if (udf->type == UDFTYPE_AGGREGATE)
                {
                  Select->in_sum_expr--;
                }

                item= Create_udf_func::s_singleton.create(thd, udf, $4);
              }
              else
7273
#endif
7274 7275 7276 7277 7278 7279 7280 7281
              {
                builder= find_qualified_function_builder(thd);
                DBUG_ASSERT(builder);
                item= builder->create(thd, $1, $4);
              }
            }

            if (! ($$= item))
7282
            {
7283
              MYSQL_YYABORT;
7284
            }
7285
          }
7286
        | ident '.' ident '(' opt_expr_list ')'
7287
          {
7288 7289 7290
            THD *thd= YYTHD;
            Create_qfunc *builder;
            Item *item= NULL;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
7291

7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304
            /*
              The following in practice calls:
              <code>Create_sp_func::create()</code>
              and builds a stored function.

              However, it's important to maintain the interface between the
              parser and the implementation in item_create.cc clean,
              since this will change with WL#2128 (SQL PATH):
              - INFORMATION_SCHEMA.version() is the SQL 99 syntax for the native
              function version(),
              - MySQL.version() is the SQL 2003 syntax for the native function
              version() (a vendor can specify any schema).
            */
7305

7306 7307 7308
            builder= find_qualified_function_builder(thd);
            DBUG_ASSERT(builder);
            item= builder->create(thd, $1, $3, true, $5);
7309

7310 7311 7312 7313
            if (! ($$= item))
            {
              MYSQL_YYABORT;
            }
7314 7315
          }
        ;
hf@deer.(none)'s avatar
hf@deer.(none) committed
7316

7317
fulltext_options:
7318 7319 7320 7321 7322 7323 7324
          opt_natural_language_mode opt_query_expansion
          { $$= $1 | $2; }
        | IN_SYM BOOLEAN_SYM MODE_SYM
          { $$= FT_BOOL; }
        ;

opt_natural_language_mode:
7325
          /* nothing */                         { $$= FT_NL; }
7326 7327 7328 7329
        | IN_SYM NATURAL LANGUAGE_SYM MODE_SYM  { $$= FT_NL; }
        ;

opt_query_expansion:
7330
          /* nothing */                         { $$= 0;         }
7331
        | WITH QUERY_SYM EXPANSION_SYM          { $$= FT_EXPAND; }
7332 7333
        ;

7334 7335 7336 7337 7338
opt_udf_expr_list:
        /* empty */     { $$= NULL; }
        | udf_expr_list { $$= $1; }
        ;

bk@work.mysql.com's avatar
bk@work.mysql.com committed
7339
udf_expr_list:
7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350
          udf_expr
          {
            $$= new (YYTHD->mem_root) List<Item>;
            $$->push_back($1);
          }
        | udf_expr_list ',' udf_expr
          {
            $1->push_back($3);
            $$= $1;
          }
        ;
7351 7352

udf_expr:
7353
          remember_name expr remember_end select_alias
7354
          {
7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368
            /*
             Use Item::name as a storage for the attribute value of user
             defined function argument. It is safe to use Item::name
             because the syntax will not allow having an explicit name here.
             See WL#1017 re. udf attributes.
            */
            if ($4.str)
            {
              $2->is_autogenerated_name= FALSE;
              $2->set_name($4.str, $4.length, system_charset_info);
            }
            else
              $2->set_name($1, (uint) ($3 - $1), YYTHD->charset());
            $$= $2;
7369
          }
7370
        ;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
7371 7372

sum_expr:
7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423
          AVG_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_avg($3); }
        | AVG_SYM '(' DISTINCT in_sum_expr ')'
          { $$=new Item_sum_avg_distinct($4); }
        | BIT_AND  '(' in_sum_expr ')'
          { $$=new Item_sum_and($3); }
        | BIT_OR  '(' in_sum_expr ')'
          { $$=new Item_sum_or($3); }
        | BIT_XOR  '(' in_sum_expr ')'
          { $$=new Item_sum_xor($3); }
        | COUNT_SYM '(' opt_all '*' ')'
          { $$=new Item_sum_count(new Item_int((int32) 0L,1)); }
        | COUNT_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_count($3); }
        | COUNT_SYM '(' DISTINCT
          { Select->in_sum_expr++; }
          expr_list
          { Select->in_sum_expr--; }
          ')'
          { $$=new Item_sum_count_distinct(* $5); }
        | MIN_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_min($3); }
        /*
          According to ANSI SQL, DISTINCT is allowed and has
          no sense inside MIN and MAX grouping functions; so MIN|MAX(DISTINCT ...)
          is processed like an ordinary MIN | MAX()
        */
        | MIN_SYM '(' DISTINCT in_sum_expr ')'
          { $$=new Item_sum_min($4); }
        | MAX_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_max($3); }
        | MAX_SYM '(' DISTINCT in_sum_expr ')'
          { $$=new Item_sum_max($4); }
        | STD_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_std($3, 0); }
        | VARIANCE_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_variance($3, 0); }
        | STDDEV_SAMP_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_std($3, 1); }
        | VAR_SAMP_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_variance($3, 1); }
        | SUM_SYM '(' in_sum_expr ')'
          { $$=new Item_sum_sum($3); }
        | SUM_SYM '(' DISTINCT in_sum_expr ')'
          { $$=new Item_sum_sum_distinct($4); }
        | GROUP_CONCAT_SYM '(' opt_distinct
          { Select->in_sum_expr++; }
          expr_list opt_gorder_clause
          opt_gconcat_separator
          ')'
          {
7424
            SELECT_LEX *sel= Select;
7425 7426
            sel->in_sum_expr--;
            $$=new Item_func_group_concat(Lex->current_context(), $3, $5,
7427
                                          sel->gorder_list, $7);
7428 7429 7430
            $5->empty();
          }
        ;
7431

7432 7433 7434 7435 7436 7437
variable:
          '@'
          {
            if (! Lex->parsing_options.allows_variable)
            {
              my_error(ER_VIEW_SELECT_VARIABLE, MYF(0));
7438
              MYSQL_YYABORT;
7439 7440 7441 7442 7443 7444
            }
          }
          variable_aux
          {
            $$= $3;
          }
7445
        ;
7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463

variable_aux:
          ident_or_text SET_VAR expr
          {
            $$= new Item_func_set_user_var($1, $3);
            LEX *lex= Lex;
            lex->uncacheable(UNCACHEABLE_RAND);
          }
        | ident_or_text
          {
            $$= new Item_func_get_user_var($1);
            LEX *lex= Lex;
            lex->uncacheable(UNCACHEABLE_RAND);
          }
        | '@' opt_var_ident_type ident_or_text opt_component
          {
            if ($3.str && $4.str && check_reserved_words(&$3))
            {
7464 7465
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
7466 7467
            }
            if (!($$= get_system_var(YYTHD, $2, $3, $4)))
7468
              MYSQL_YYABORT;
7469 7470 7471
          }
        ;

7472
opt_distinct:
7473 7474 7475
          /* empty */ { $$ = 0; }
        | DISTINCT    { $$ = 1; }
        ;
7476 7477

opt_gconcat_separator:
7478 7479 7480 7481 7482 7483
          /* empty */
            {
              $$= new (YYTHD->mem_root) String(",", 1, &my_charset_latin1);
            }
        | SEPARATOR_SYM text_string { $$ = $2; }
        ;
7484 7485

opt_gorder_clause:
7486 7487
          /* empty */
          {
7488
            Select->gorder_list = NULL;
7489 7490
          }
        | order_clause
7491
          {
7492 7493
            SELECT_LEX *select= Select;
            select->gorder_list=
7494 7495 7496 7497 7498
              (SQL_LIST*) sql_memdup((char*) &select->order_list,
                                     sizeof(st_sql_list));
            select->order_list.empty();
          }
        ;
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7499 7500

in_sum_expr:
7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515
          opt_all
          {
            LEX *lex= Lex;
            if (lex->current_select->inc_in_sum_expr())
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
          }
          expr
          {
            Select->in_sum_expr--;
            $$= $3;
          }
        ;
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7516

7517
cast_type:
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          BINARY opt_len
          { $$=ITEM_CAST_CHAR; Lex->charset= &my_charset_bin; Lex->dec= 0; }
        | CHAR_SYM opt_len opt_binary
          { $$=ITEM_CAST_CHAR; Lex->dec= 0; }
        | NCHAR_SYM opt_len
          { $$=ITEM_CAST_CHAR; Lex->charset= national_charset_info; Lex->dec=0; }
        | SIGNED_SYM
          { $$=ITEM_CAST_SIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | SIGNED_SYM INT_SYM
          { $$=ITEM_CAST_SIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | UNSIGNED
          { $$=ITEM_CAST_UNSIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | UNSIGNED INT_SYM
          { $$=ITEM_CAST_UNSIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DATE_SYM
          { $$=ITEM_CAST_DATE; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | TIME_SYM
          { $$=ITEM_CAST_TIME; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DATETIME
          { $$=ITEM_CAST_DATETIME; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DECIMAL_SYM float_options
          { $$=ITEM_CAST_DECIMAL; Lex->charset= NULL; }
        ;
7541

7542
opt_expr_list:
7543 7544 7545
          /* empty */ { $$= NULL; }
        | expr_list { $$= $1;}
        ;
7546

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7547
expr_list:
7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558
          expr
          {
            $$= new (YYTHD->mem_root) List<Item>;
            $$->push_back($1);
          }
        | expr_list ',' expr
          {
            $1->push_back($3);
            $$= $1;
          }
        ;
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7559

7560 7561
ident_list_arg:
          ident_list          { $$= $1; }
7562 7563
        | '(' ident_list ')'  { $$= $2; }
        ;
7564

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7565
ident_list:
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          simple_ident
          {
            $$= new (YYTHD->mem_root) List<Item>;
            $$->push_back($1);
          }
        | ident_list ',' simple_ident
          {
            $1->push_back($3);
            $$= $1;
          }
        ;
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7577 7578

opt_expr:
7579 7580 7581
          /* empty */    { $$= NULL; }
        | expr           { $$= $1; }
        ;
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7582 7583

opt_else:
7584 7585 7586
          /* empty */  { $$= NULL; }
        | ELSE expr    { $$= $2; }
        ;
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7587 7588

when_list:
7589 7590 7591 7592 7593 7594 7595 7596 7597 7598 7599 7600 7601
          WHEN_SYM expr THEN_SYM expr
          {
            $$= new List<Item>;
            $$->push_back($2);
            $$->push_back($4);
          }
        | when_list WHEN_SYM expr THEN_SYM expr
          {
            $1->push_back($3);
            $1->push_back($5);
            $$= $1;
          }
        ;
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7602

7603
/* Warning - may return NULL in case of incomplete SELECT */
7604
table_ref:
7605
          table_factor { $$=$1; }
7606
        | join_table
7607
          {
7608
            LEX *lex= Lex;
7609
            if (!($$= lex->current_select->nest_last_join(lex->thd)))
7610
              MYSQL_YYABORT;
7611
          }
7612 7613
        ;

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7614
join_table_list:
7615 7616
          derived_table_list { MYSQL_YYABORT_UNLESS($$=$1); }
        ;
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7617

7618 7619
/* Warning - may return NULL in case of incomplete SELECT */
derived_table_list:
7620
          table_ref { $$=$1; }
7621 7622
        | derived_table_list ',' table_ref
          {
7623
            MYSQL_YYABORT_UNLESS($1 && ($$=$3));
7624
          }
7625 7626
        ;

7627 7628 7629 7630 7631 7632 7633
/*
  Notice that JOIN is a left-associative operation, and it must be parsed
  as such, that is, the parser must process first the left join operand
  then the right one. Such order of processing ensures that the parser
  produces correct join trees which is essential for semantic analysis
  and subsequent optimization phases.
*/
7634
join_table:
7635 7636 7637 7638 7639 7640 7641
          /* INNER JOIN variants */
          /*
            Use %prec to evaluate production 'table_ref' before 'normal_join'
            so that [INNER | CROSS] JOIN is properly nested as other
            left-associative joins.
          */
          table_ref normal_join table_ref %prec TABLE_REF_PRIORITY
7642
          { MYSQL_YYABORT_UNLESS($1 && ($$=$3)); }
7643 7644 7645
        | table_ref STRAIGHT_JOIN table_factor
          { MYSQL_YYABORT_UNLESS($1 && ($$=$3)); $3->straight=1; }
        | table_ref normal_join table_ref
7646 7647
          ON
          {
7648
            MYSQL_YYABORT_UNLESS($1 && $3);
7649
            /* Change the current name resolution context to a local context. */
7650
            if (push_new_name_resolution_context(YYTHD, $1, $3))
7651
              MYSQL_YYABORT;
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7652
            Select->parsing_place= IN_ON;
7653 7654
          }
          expr
7655
          {
7656 7657
            add_join_on($3,$6);
            Lex->pop_context();
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7658
            Select->parsing_place= NO_MATTER;
7659 7660 7661 7662
          }
        | table_ref STRAIGHT_JOIN table_factor
          ON
          {
7663
            MYSQL_YYABORT_UNLESS($1 && $3);
7664
            /* Change the current name resolution context to a local context. */
7665
            if (push_new_name_resolution_context(YYTHD, $1, $3))
7666
              MYSQL_YYABORT;
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7667
            Select->parsing_place= IN_ON;
7668 7669 7670 7671 7672 7673
          }
          expr
          {
            $3->straight=1;
            add_join_on($3,$6);
            Lex->pop_context();
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7674
            Select->parsing_place= NO_MATTER;
7675
          }
7676 7677 7678
        | table_ref normal_join table_ref
          USING
          {
7679
            MYSQL_YYABORT_UNLESS($1 && $3);
7680 7681
          }
          '(' using_list ')'
7682
          { add_join_natural($1,$3,$7,Select); $$=$3; }
7683 7684
        | table_ref NATURAL JOIN_SYM table_factor
          {
7685
            MYSQL_YYABORT_UNLESS($1 && ($$=$4));
7686
            add_join_natural($1,$4,NULL,Select);
7687 7688
          }

7689 7690
          /* LEFT JOIN variants */
        | table_ref LEFT opt_outer JOIN_SYM table_ref
7691 7692
          ON
          {
7693
            MYSQL_YYABORT_UNLESS($1 && $5);
7694
            /* Change the current name resolution context to a local context. */
7695
            if (push_new_name_resolution_context(YYTHD, $1, $5))
7696
              MYSQL_YYABORT;
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7697
            Select->parsing_place= IN_ON;
7698 7699
          }
          expr
7700
          {
7701 7702 7703 7704
            add_join_on($5,$8);
            Lex->pop_context();
            $5->outer_join|=JOIN_TYPE_LEFT;
            $$=$5;
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7705
            Select->parsing_place= NO_MATTER;
7706
          }
7707 7708
        | table_ref LEFT opt_outer JOIN_SYM table_factor
          {
7709
            MYSQL_YYABORT_UNLESS($1 && $5);
7710 7711
          }
          USING '(' using_list ')'
7712 7713 7714 7715 7716
          { 
            add_join_natural($1,$5,$9,Select); 
            $5->outer_join|=JOIN_TYPE_LEFT; 
            $$=$5; 
          }
7717 7718
        | table_ref NATURAL LEFT opt_outer JOIN_SYM table_factor
          {
7719
            MYSQL_YYABORT_UNLESS($1 && $6);
7720 7721 7722 7723
            add_join_natural($1,$6,NULL,Select);
            $6->outer_join|=JOIN_TYPE_LEFT;
            $$=$6;
          }
7724

7725 7726
          /* RIGHT JOIN variants */
        | table_ref RIGHT opt_outer JOIN_SYM table_ref
7727 7728
          ON
          {
7729
            MYSQL_YYABORT_UNLESS($1 && $5);
7730
            /* Change the current name resolution context to a local context. */
7731
            if (push_new_name_resolution_context(YYTHD, $1, $5))
7732
              MYSQL_YYABORT;
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7733
            Select->parsing_place= IN_ON;
7734 7735
          }
          expr
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7736
          {
7737
            LEX *lex= Lex;
7738
            if (!($$= lex->current_select->convert_right_join()))
7739
              MYSQL_YYABORT;
7740 7741
            add_join_on($$, $8);
            Lex->pop_context();
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7742
            Select->parsing_place= NO_MATTER;
7743
          }
7744 7745
        | table_ref RIGHT opt_outer JOIN_SYM table_factor
          {
7746
            MYSQL_YYABORT_UNLESS($1 && $5);
7747 7748
          }
          USING '(' using_list ')'
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7749
          {
7750
            LEX *lex= Lex;
7751
            if (!($$= lex->current_select->convert_right_join()))
7752
              MYSQL_YYABORT;
7753
            add_join_natural($$,$5,$9,Select);
7754
          }
7755 7756
        | table_ref NATURAL RIGHT opt_outer JOIN_SYM table_factor
          {
7757
            MYSQL_YYABORT_UNLESS($1 && $6);
7758 7759
            add_join_natural($6,$1,NULL,Select);
            LEX *lex= Lex;
7760
            if (!($$= lex->current_select->convert_right_join()))
7761
              MYSQL_YYABORT;
7762 7763
          }
        ;
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7764 7765

normal_join:
7766 7767 7768 7769
          JOIN_SYM {}
        | INNER_SYM JOIN_SYM {}
        | CROSS JOIN_SYM {}
        ;
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7770

7771
/* Warning - may return NULL in case of incomplete SELECT */
7772
table_factor:
7773 7774 7775 7776 7777 7778 7779 7780 7781 7782 7783 7784 7785 7786
          {
            SELECT_LEX *sel= Select;
            sel->table_join_options= 0;
          }
          table_ident opt_table_alias opt_key_definition
          {
            if (!($$= Select->add_table_to_list(YYTHD, $2, $3,
                                                Select->get_table_join_options(),
                                                Lex->lock_option,
                                                Select->pop_index_hints())))
              MYSQL_YYABORT;
            Select->add_joined_table($$);
          }
        | '{' ident table_ref LEFT OUTER JOIN_SYM table_ref
7787 7788 7789
          ON
          {
            /* Change the current name resolution context to a local context. */
7790
            if (push_new_name_resolution_context(YYTHD, $3, $7))
7791
              MYSQL_YYABORT;
7792

7793 7794
          }
          expr '}'
7795 7796
          {
            LEX *lex= Lex;
7797
            MYSQL_YYABORT_UNLESS($3 && $7);
7798 7799 7800 7801
            add_join_on($7,$10);
            Lex->pop_context();
            $7->outer_join|=JOIN_TYPE_LEFT;
            $$=$7;
7802
            if (!($$= lex->current_select->nest_last_join(lex->thd)))
7803
              MYSQL_YYABORT;
7804
          }
7805
        | select_derived_init get_select_lex select_derived2
7806
          {
7807
            LEX *lex= Lex;
7808 7809 7810
            SELECT_LEX *sel= lex->current_select;
            if ($1)
            {
7811 7812
              if (sel->set_braces(1))
              {
7813
                my_parse_error(ER(ER_SYNTAX_ERROR));
7814 7815
                MYSQL_YYABORT;
              }
7816
              /* select in braces, can't contain global parameters */
7817
              if (sel->master_unit()->fake_select_lex)
7818 7819 7820 7821
                sel->master_unit()->global_parameters=
                   sel->master_unit()->fake_select_lex;
            }
            if ($2->init_nested_join(lex->thd))
7822
              MYSQL_YYABORT;
7823
            $$= 0;
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7824
            /* incomplete derived tables return NULL, we must be
7825
               nested in select_derived rule to be here. */
7826
          }
7827
        | '(' get_select_lex select_derived union_opt ')' opt_table_alias
7828
          {
7829 7830 7831 7832 7833 7834 7835 7836 7837 7838 7839 7840 7841 7842 7843 7844 7845 7846 7847 7848 7849 7850 7851 7852 7853 7854 7855 7856 7857 7858 7859 7860 7861 7862 7863 7864 7865
            /* Use $2 instead of Lex->current_select as derived table will
               alter value of Lex->current_select. */

            if (!($3 || $6) && $2->embedding &&
                !$2->embedding->nested_join->join_list.elements)
            {
              /* we have a derived table ($3 == NULL) but no alias,
                 Since we are nested in further parentheses so we
                 can pass NULL to the outer level parentheses
                 Permits parsing of "((((select ...))) as xyz)" */
              $$= 0;
            }
            else if (!$3)
            {
              /* Handle case of derived table, alias may be NULL if there
                 are no outer parentheses, add_table_to_list() will throw
                 error in this case */
              LEX *lex=Lex;
              SELECT_LEX *sel= lex->current_select;
              SELECT_LEX_UNIT *unit= sel->master_unit();
              lex->current_select= sel= unit->outer_select();
              if (!($$= sel->add_table_to_list(lex->thd,
                                               new Table_ident(unit), $6, 0,
                                               TL_READ)))

                MYSQL_YYABORT;
              sel->add_joined_table($$);
              lex->pop_context();
            }
            else if ($4 || $6)
            {
              /* simple nested joins cannot have aliases or unions */
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            else
              $$= $3;
7866 7867
          }
        ;
7868

7869
/* handle contents of parentheses in join expression */
7870
select_derived:
7871 7872
          get_select_lex
          {
7873 7874
            LEX *lex= Lex;
            if ($1->init_nested_join(lex->thd))
7875
              MYSQL_YYABORT;
7876 7877 7878 7879 7880 7881
          }
          derived_table_list
          {
            LEX *lex= Lex;
            /* for normal joins, $3 != NULL and end_nested_join() != NULL,
               for derived tables, both must equal NULL */
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7882

7883
            if (!($$= $1->end_nested_join(lex->thd)) && $3)
7884
              MYSQL_YYABORT;
7885 7886
            if (!$3 && $$)
            {
7887
              my_parse_error(ER(ER_SYNTAX_ERROR));
7888
              MYSQL_YYABORT;
7889 7890
            }
          }
7891
        ;
7892

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7893
select_derived2:
7894 7895 7896 7897 7898 7899 7900 7901 7902 7903 7904 7905 7906 7907 7908 7909 7910 7911 7912 7913 7914
          {
            LEX *lex= Lex;
            lex->derived_tables|= DERIVED_SUBQUERY;
            if (!lex->expr_allows_subselect ||
                lex->sql_command == (int)SQLCOM_PURGE)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE ||
                mysql_new_select(lex, 1))
              MYSQL_YYABORT;
            mysql_init_select(lex);
            lex->current_select->linkage= DERIVED_TABLE_TYPE;
            lex->current_select->parsing_place= SELECT_LIST;
          }
          select_options select_item_list
          {
            Select->parsing_place= NO_MATTER;
          }
          opt_select_from
7915
        ;
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7916

7917
get_select_lex:
7918
          /* Empty */ { $$= Select; }
7919 7920 7921 7922 7923 7924
        ;

select_derived_init:
          SELECT_SYM
          {
            LEX *lex= Lex;
7925 7926 7927 7928

            if (! lex->parsing_options.allows_derived)
            {
              my_error(ER_VIEW_SELECT_DERIVED, MYF(0));
7929
              MYSQL_YYABORT;
7930 7931
            }

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serg@serg.mylan committed
7932
            SELECT_LEX *sel= lex->current_select;
7933 7934
            TABLE_LIST *embedding;
            if (!sel->embedding || sel->end_nested_join(lex->thd))
7935
            {
7936
              /* we are not in parentheses */
7937
              my_parse_error(ER(ER_SYNTAX_ERROR));
7938 7939
              MYSQL_YYABORT;
            }
7940 7941 7942 7943 7944 7945 7946
            embedding= Select->embedding;
            $$= embedding &&
                !embedding->nested_join->join_list.elements;
            /* return true if we are deeply nested */
          }
        ;

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7947
opt_outer:
7948 7949 7950
          /* empty */ {}
        | OUTER {}
        ;
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7951

7952
index_hint_clause:
7953
          /* empty */
7954
          {
7955 7956
            $$= global_system_variables.old_mode ? 
                  INDEX_HINT_MASK_JOIN : INDEX_HINT_MASK_ALL; 
7957 7958 7959 7960 7961
          }
        | FOR_SYM JOIN_SYM      { $$= INDEX_HINT_MASK_JOIN;  }
        | FOR_SYM ORDER_SYM BY  { $$= INDEX_HINT_MASK_ORDER; }
        | FOR_SYM GROUP_SYM BY  { $$= INDEX_HINT_MASK_GROUP; }
        ;
7962 7963

index_hint_type:
7964 7965 7966
          FORCE_SYM  { $$= INDEX_HINT_FORCE; }
        | IGNORE_SYM { $$= INDEX_HINT_IGNORE; } 
        ;
7967 7968

index_hint_definition:
7969
          index_hint_type key_or_index index_hint_clause
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7970
          {
7971 7972 7973 7974 7975 7976 7977 7978
            Select->set_index_hint_type($1, $3);
          }
          '(' key_usage_list ')'
        | USE_SYM key_or_index index_hint_clause
          {
            Select->set_index_hint_type(INDEX_HINT_USE, $3);
          }
          '(' opt_key_usage_list ')'
7979
       ;
7980 7981

index_hints_list:
7982 7983 7984
          index_hint_definition
        | index_hints_list index_hint_definition
        ;
7985 7986

opt_index_hints_list:
7987 7988 7989
          /* empty */
        | { Select->alloc_index_hints(YYTHD); } index_hints_list
        ;
7990

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7991
opt_key_definition:
7992 7993 7994
          {  Select->clear_index_hints(); }
          opt_index_hints_list
        ;
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7995

7996
opt_key_usage_list:
7997 7998 7999
          /* empty */ { Select->add_index_hint(YYTHD, NULL, 0); }
        | key_usage_list {}
        ;
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8000

8001
key_usage_element:
8002 8003 8004 8005
          ident
          { Select->add_index_hint(YYTHD, $1.str, $1.length); }
        | PRIMARY_SYM
          { Select->add_index_hint(YYTHD, (char *)"PRIMARY", 7); }
8006
        ;
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8007

8008
key_usage_list:
8009 8010
          key_usage_element
        | key_usage_list ',' key_usage_element
8011
        ;
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8012 8013

using_list:
8014 8015
          ident
          {
8016
            if (!($$= new List<String>))
8017
              MYSQL_YYABORT;
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            $$->push_back(new (YYTHD->mem_root)
                              String((const char *) $1.str, $1.length,
                                      system_charset_info));
8021 8022 8023
          }
        | using_list ',' ident
          {
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            $1->push_back(new (YYTHD->mem_root)
                              String((const char *) $3.str, $3.length,
                                      system_charset_info));
            $$= $1;
8028 8029
          }
        ;
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8030 8031

interval:
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          interval_time_st {}
        | DAY_HOUR_SYM           { $$=INTERVAL_DAY_HOUR; }
        | DAY_MICROSECOND_SYM    { $$=INTERVAL_DAY_MICROSECOND; }
        | DAY_MINUTE_SYM         { $$=INTERVAL_DAY_MINUTE; }
        | DAY_SECOND_SYM         { $$=INTERVAL_DAY_SECOND; }
        | HOUR_MICROSECOND_SYM   { $$=INTERVAL_HOUR_MICROSECOND; }
        | HOUR_MINUTE_SYM        { $$=INTERVAL_HOUR_MINUTE; }
        | HOUR_SECOND_SYM        { $$=INTERVAL_HOUR_SECOND; }
        | MICROSECOND_SYM        { $$=INTERVAL_MICROSECOND; }
        | MINUTE_MICROSECOND_SYM { $$=INTERVAL_MINUTE_MICROSECOND; }
        | MINUTE_SECOND_SYM      { $$=INTERVAL_MINUTE_SECOND; }
        | SECOND_MICROSECOND_SYM { $$=INTERVAL_SECOND_MICROSECOND; }
        | YEAR_MONTH_SYM         { $$=INTERVAL_YEAR_MONTH; }
        ;
8046 8047

interval_time_st:
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          DAY_SYM         { $$=INTERVAL_DAY; }
        | WEEK_SYM        { $$=INTERVAL_WEEK; }
        | HOUR_SYM        { $$=INTERVAL_HOUR; }
        | FRAC_SECOND_SYM { $$=INTERVAL_MICROSECOND; }
        | MINUTE_SYM      { $$=INTERVAL_MINUTE; }
        | MONTH_SYM       { $$=INTERVAL_MONTH; }
        | QUARTER_SYM     { $$=INTERVAL_QUARTER; }
        | SECOND_SYM      { $$=INTERVAL_SECOND; }
        | YEAR_SYM        { $$=INTERVAL_YEAR; }
8057
        ;
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8058

8059
date_time_type:
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          DATE_SYM  {$$=MYSQL_TIMESTAMP_DATE;}
        | TIME_SYM  {$$=MYSQL_TIMESTAMP_TIME;}
        | DATETIME  {$$=MYSQL_TIMESTAMP_DATETIME;}
        | TIMESTAMP {$$=MYSQL_TIMESTAMP_DATETIME;}
8064
        ;
8065

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table_alias:
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          /* empty */
        | AS
        | EQ
        ;
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8071 8072

opt_table_alias:
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          /* empty */ { $$=0; }
        | table_alias ident
          { $$= (LEX_STRING*) sql_memdup(&$2,sizeof(LEX_STRING)); }
        ;
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8077

8078
opt_all:
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          /* empty */
        | ALL
        ;
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8082 8083

where_clause:
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          /* empty */  { Select->where= 0; }
        | WHERE
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          {
            Select->parsing_place= IN_WHERE;
          }
          expr
8090
          {
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8091
            SELECT_LEX *select= Select;
8092
            select->where= $3;
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            select->parsing_place= NO_MATTER;
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            if ($3)
              $3->top_level_item();
          }
        ;
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8098 8099

having_clause:
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          /* empty */
        | HAVING
          {
            Select->parsing_place= IN_HAVING;
8104
          }
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          expr
          {
            SELECT_LEX *sel= Select;
            sel->having= $3;
            sel->parsing_place= NO_MATTER;
            if ($3)
              $3->top_level_item();
          }
        ;
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8114 8115

opt_escape:
8116
          ESCAPE_SYM simple_expr 
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          {
            Lex->escape_used= TRUE;
            $$= $2;
          }
8121
        | /* empty */
8122
          {
8123
            Lex->escape_used= FALSE;
8124
            $$= ((YYTHD->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES) ?
8125
                 new Item_string("", 0, &my_charset_latin1) :
8126
                 new Item_string("\\", 1, &my_charset_latin1));
8127 8128
          }
        ;
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/*
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8131
   group by statement in select
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8132 8133 8134
*/

group_clause:
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          /* empty */
        | GROUP_SYM BY group_list olap_opt
        ;
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8138 8139

group_list:
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          group_list ',' order_ident order_dir
          { if (add_group_to_list(YYTHD, $3,(bool) $4)) MYSQL_YYABORT; }
        | order_ident order_dir
          { if (add_group_to_list(YYTHD, $1,(bool) $2)) MYSQL_YYABORT; }
        ;
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8145

8146
olap_opt:
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          /* empty */ {}
        | WITH CUBE_SYM
          {
            LEX *lex=Lex;
            if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
            {
              my_error(ER_WRONG_USAGE, MYF(0), "WITH CUBE",
                       "global union parameters");
              MYSQL_YYABORT;
            }
            lex->current_select->olap= CUBE_TYPE;
            my_error(ER_NOT_SUPPORTED_YET, MYF(0), "CUBE");
            MYSQL_YYABORT; /* To be deleted in 5.1 */
          }
        | WITH ROLLUP_SYM
          {
            LEX *lex= Lex;
            if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
            {
              my_error(ER_WRONG_USAGE, MYF(0), "WITH ROLLUP",
                       "global union parameters");
              MYSQL_YYABORT;
            }
            lex->current_select->olap= ROLLUP_TYPE;
          }
        ;
8173

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/*
  Order by statement in ALTER TABLE
*/

alter_order_clause:
          ORDER_SYM BY alter_order_list
        ;

alter_order_list:
          alter_order_list ',' alter_order_item
        | alter_order_item
        ;

alter_order_item:
          simple_ident_nospvar order_dir
          {
            THD *thd= YYTHD;
            bool ascending= ($2 == 1) ? true : false;
            if (add_order_to_list(thd, $1, ascending))
8193
              MYSQL_YYABORT;
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8194 8195 8196
          }
        ;

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8197
/*
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8198
   Order by statement in select
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8199 8200
*/

8201
opt_order_clause:
8202 8203 8204
          /* empty */
        | order_clause
        ;
8205 8206

order_clause:
8207
          ORDER_SYM BY
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8208
          {
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            LEX *lex=Lex;
            SELECT_LEX *sel= lex->current_select;
            SELECT_LEX_UNIT *unit= sel-> master_unit();
            if (sel->linkage != GLOBAL_OPTIONS_TYPE &&
                sel->olap != UNSPECIFIED_OLAP_TYPE)
            {
              my_error(ER_WRONG_USAGE, MYF(0),
                       "CUBE/ROLLUP", "ORDER BY");
8217
              MYSQL_YYABORT;
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            }
            if (lex->sql_command != SQLCOM_ALTER_TABLE && !unit->fake_select_lex)
            {
              /*
                A query of the of the form (SELECT ...) ORDER BY order_list is
                executed in the same way as the query
                SELECT ... ORDER BY order_list
                unless the SELECT construct contains ORDER BY or LIMIT clauses.
                Otherwise we create a fake SELECT_LEX if it has not been created
                yet.
              */
              SELECT_LEX *first_sl= unit->first_select();
              if (!unit->is_union() &&
                  (first_sl->order_list.elements || 
                   first_sl->select_limit) &&            
                  unit->add_fake_select_lex(lex->thd))
                MYSQL_YYABORT;
            }
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          }
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          order_list
        ;
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8239 8240

order_list:
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          order_list ',' order_ident order_dir
          { if (add_order_to_list(YYTHD, $3,(bool) $4)) MYSQL_YYABORT; }
        | order_ident order_dir
          { if (add_order_to_list(YYTHD, $1,(bool) $2)) MYSQL_YYABORT; }
        ;
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8246 8247

order_dir:
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          /* empty */ { $$ =  1; }
        | ASC  { $$ =1; }
        | DESC { $$ =0; }
        ;
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8252

8253
opt_limit_clause_init:
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          /* empty */
          {
            LEX *lex= Lex;
            SELECT_LEX *sel= lex->current_select;
            sel->offset_limit= 0;
            sel->select_limit= 0;
          }
        | limit_clause {}
        ;
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opt_limit_clause:
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          /* empty */ {}
        | limit_clause {}
        ;
8268

8269
limit_clause:
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          LIMIT limit_options {}
        ;
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limit_options:
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          limit_option
          {
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8276
            SELECT_LEX *sel= Select;
8277
            sel->select_limit= $1;
8278
            sel->offset_limit= 0;
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            sel->explicit_limit= 1;
          }
        | limit_option ',' limit_option
          {
            SELECT_LEX *sel= Select;
            sel->select_limit= $3;
            sel->offset_limit= $1;
            sel->explicit_limit= 1;
          }
        | limit_option OFFSET_SYM limit_option
          {
            SELECT_LEX *sel= Select;
            sel->select_limit= $1;
            sel->offset_limit= $3;
            sel->explicit_limit= 1;
          }
        ;

8297
limit_option:
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          param_marker
          {
            ((Item_param *) $1)->set_strict_type(INT_RESULT);
          }
8302
        | ULONGLONG_NUM { $$= new Item_uint($1.str, $1.length); }
8303
        | LONG_NUM      { $$= new Item_uint($1.str, $1.length); }
8304
        | NUM           { $$= new Item_uint($1.str, $1.length); }
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8305
        ;
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8306 8307

delete_limit_clause:
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          /* empty */
          {
            LEX *lex=Lex;
            lex->current_select->select_limit= 0;
          }
        | LIMIT limit_option
          {
            SELECT_LEX *sel= Select;
            sel->select_limit= $2;
            sel->explicit_limit= 1;
          }
        ;
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8320

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8321 8322
ulong_num:
          NUM           { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
8323 8324 8325
        | HEX_NUM       { $$= (ulong) strtol($1.str, (char**) 0, 16); }
        | LONG_NUM      { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
        | ULONGLONG_NUM { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
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8326
        | DECIMAL_NUM   { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
8327
        | FLOAT_NUM     { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
8328 8329 8330 8331
        ;

real_ulong_num:
          NUM           { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
8332 8333 8334
        | HEX_NUM       { $$= (ulong) strtol($1.str, (char**) 0, 16); }
        | LONG_NUM      { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
        | ULONGLONG_NUM { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
8335
        | dec_num_error { MYSQL_YYABORT; }
8336
        ;
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8337

8338
ulonglong_num:
8339 8340 8341 8342 8343 8344
          NUM           { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        | ULONGLONG_NUM { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        | LONG_NUM      { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        | DECIMAL_NUM   { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        | FLOAT_NUM     { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        ;
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8345

8346
real_ulonglong_num:
8347 8348 8349
          NUM           { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        | ULONGLONG_NUM { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
        | LONG_NUM      { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
8350
        | dec_num_error { MYSQL_YYABORT; }
8351 8352 8353
        ;

dec_num_error:
8354 8355
          dec_num
          { my_parse_error(ER(ER_ONLY_INTEGERS_ALLOWED)); }
8356 8357 8358
        ;

dec_num:
8359 8360
          DECIMAL_NUM
        | FLOAT_NUM
8361 8362
        ;

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8363
procedure_clause:
8364 8365 8366 8367
          /* empty */
        | PROCEDURE ident /* Procedure name */
          {
            LEX *lex=Lex;
8368 8369 8370 8371

            if (! lex->parsing_options.allows_select_procedure)
            {
              my_error(ER_VIEW_SELECT_CLAUSE, MYF(0), "PROCEDURE");
8372
              MYSQL_YYABORT;
8373 8374
            }

8375 8376 8377 8378 8379 8380 8381 8382 8383
            if (&lex->select_lex != lex->current_select)
            {
              my_error(ER_WRONG_USAGE, MYF(0), "PROCEDURE", "subquery");
              MYSQL_YYABORT;
            }
            lex->proc_list.elements=0;
            lex->proc_list.first=0;
            lex->proc_list.next= (uchar**) &lex->proc_list.first;
            if (add_proc_to_list(lex->thd, new Item_field(&lex->
8384 8385 8386
                                                          current_select->
                                                          context,
                                                          NULL,NULL,$2.str)))
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              MYSQL_YYABORT;
            Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
          }
          '(' procedure_list ')'
        ;
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8392 8393

procedure_list:
8394 8395 8396
          /* empty */ {}
        | procedure_list2 {}
        ;
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8397 8398

procedure_list2:
8399 8400 8401
          procedure_list2 ',' procedure_item
        | procedure_item
        ;
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8402 8403

procedure_item:
8404 8405
          remember_name expr remember_end
          {
8406 8407
            THD *thd= YYTHD;

8408 8409 8410
            if (add_proc_to_list(thd, $2))
              MYSQL_YYABORT;
            if (!$2->name)
8411
              $2->set_name($1, (uint) ($3 - $1), thd->charset());
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          }
        ;
8414 8415

select_var_list_init:
8416 8417 8418 8419 8420 8421 8422 8423
          {
            LEX *lex=Lex;
            if (!lex->describe && (!(lex->result= new select_dumpvar())))
              MYSQL_YYABORT;
          }
          select_var_list
          {}
        ;
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8424

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8425
select_var_list:
8426 8427 8428
          select_var_list ',' select_var_ident
        | select_var_ident {}
        ;
8429

8430
select_var_ident:  
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          '@' ident_or_text
          {
            LEX *lex=Lex;
            if (lex->result) 
              ((select_dumpvar *)lex->result)->var_list.push_back( new my_var($2,0,0,(enum_field_types)0));
            else
              /*
                The parser won't create select_result instance only
                if it's an EXPLAIN.
              */
              DBUG_ASSERT(lex->describe);
          }
        | ident_or_text
          {
            LEX *lex=Lex;
            sp_variable_t *t;

            if (!lex->spcont || !(t=lex->spcont->find_variable(&$1)))
            {
              my_error(ER_SP_UNDECLARED_VAR, MYF(0), $1.str);
              MYSQL_YYABORT;
            }
            if (lex->result)
            {
              my_var *var;
              ((select_dumpvar *)lex->result)->
                var_list.push_back(var= new my_var($1,1,t->offset,t->type));
8458
#ifndef DBUG_OFF
8459 8460
              if (var)
                var->sp= lex->sphead;
8461
#endif
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            }
            else
            {
              /*
                The parser won't create select_result instance only
                if it's an EXPLAIN.
              */
              DBUG_ASSERT(lex->describe);
            }
          }
        ;
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8473

8474
into:
8475
          INTO
8476
          {
8477 8478 8479 8480 8481
            if (! Lex->parsing_options.allows_select_into)
            {
              my_error(ER_VIEW_SELECT_CLAUSE, MYF(0), "INTO");
              MYSQL_YYABORT;
            }
8482
          }
8483
          into_destination
8484 8485 8486
        ;

into_destination:
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          OUTFILE TEXT_STRING_filesystem
          {
            LEX *lex= Lex;
            lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
            if (!(lex->exchange= new sql_exchange($2.str, 0)) ||
                !(lex->result= new select_export(lex->exchange)))
              MYSQL_YYABORT;
          }
          opt_field_term opt_line_term
        | DUMPFILE TEXT_STRING_filesystem
          {
            LEX *lex=Lex;
            if (!lex->describe)
            {
              lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
              if (!(lex->exchange= new sql_exchange($2.str,1)))
                MYSQL_YYABORT;
              if (!(lex->result= new select_dump(lex->exchange)))
                MYSQL_YYABORT;
            }
          }
8508
        | select_var_list_init
8509 8510 8511
          {
            Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
          }
8512
        ;
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8513

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8514 8515 8516
/*
  DO statement
*/
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8517

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do:
          DO_SYM
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_DO;
            mysql_init_select(lex);
          }
          expr_list
          {
            Lex->insert_list= $3;
          }
        ;
8530

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8531
/*
8532
  Drop : delete tables or index or user
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8533 8534 8535
*/

drop:
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          DROP opt_temporary table_or_tables if_exists table_list opt_restrict
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_DROP_TABLE;
            lex->drop_temporary= $2;
            lex->drop_if_exists= $4;
          }
        | DROP INDEX_SYM ident ON table_ident {}
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_DROP_INDEX;
            lex->alter_info.reset();
            lex->alter_info.flags= ALTER_DROP_INDEX;
            lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
                                                               $3.str));
            if (!lex->current_select->add_table_to_list(lex->thd, $5, NULL,
                                                        TL_OPTION_UPDATING))
              MYSQL_YYABORT;
          }
        | DROP DATABASE if_exists ident
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_DROP_DB;
            lex->drop_if_exists=$3;
            lex->name= $4;
          }
        | DROP FUNCTION_SYM if_exists sp_name
          {
            LEX *lex=Lex;
            if (lex->sphead)
            {
              my_error(ER_SP_NO_DROP_SP, MYF(0), "FUNCTION");
              MYSQL_YYABORT;
            }
            lex->sql_command = SQLCOM_DROP_FUNCTION;
            lex->drop_if_exists= $3;
            lex->spname= $4;
          }
        | DROP PROCEDURE if_exists sp_name
          {
            LEX *lex=Lex;
            if (lex->sphead)
            {
              my_error(ER_SP_NO_DROP_SP, MYF(0), "PROCEDURE");
              MYSQL_YYABORT;
            }
            lex->sql_command = SQLCOM_DROP_PROCEDURE;
            lex->drop_if_exists= $3;
            lex->spname= $4;
          }
        | DROP USER clear_privileges user_list
          {
            Lex->sql_command = SQLCOM_DROP_USER;
          }
        | DROP VIEW_SYM if_exists table_list opt_restrict
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_DROP_VIEW;
            lex->drop_if_exists= $3;
8595
          }
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        | DROP EVENT_SYM if_exists sp_name
          {
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            Lex->drop_if_exists= $3;
            Lex->spname= $4;
            Lex->sql_command = SQLCOM_DROP_EVENT;
8601
          }
8602
        | DROP TRIGGER_SYM if_exists sp_name
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          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_DROP_TRIGGER;
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            lex->drop_if_exists= $3;
            lex->spname= $4;
8608
          }
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        | DROP TABLESPACE tablespace_name opt_ts_engine opt_ts_wait
          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_cmd_type= DROP_TABLESPACE;
          }
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        | DROP LOGFILE_SYM GROUP_SYM logfile_group_name opt_ts_engine opt_ts_wait
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          {
            LEX *lex= Lex;
            lex->alter_tablespace_info->ts_cmd_type= DROP_LOGFILE_GROUP;
8618
          }
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8619
        | DROP SERVER_SYM if_exists ident_or_text
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          {
            Lex->sql_command = SQLCOM_DROP_SERVER;
            Lex->drop_if_exists= $3;
            Lex->server_options.server_name= $4.str;
            Lex->server_options.server_name_length= $4.length;
          }
        ;
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8627 8628

table_list:
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          table_name
        | table_list ',' table_name
        ;
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8633
table_name:
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          table_ident
          {
            if (!Select->add_table_to_list(YYTHD, $1, NULL, TL_OPTION_UPDATING))
              MYSQL_YYABORT;
          }
        ;
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8640

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table_alias_ref_list:
        table_alias_ref
        | table_alias_ref_list ',' table_alias_ref;

table_alias_ref:
	table_ident
	{
	  if (!Select->add_table_to_list(YYTHD, $1, NULL,
                                         TL_OPTION_UPDATING | TL_OPTION_ALIAS,
                                         Lex->lock_option ))
	    MYSQL_YYABORT;
	}
	;

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8655
if_exists:
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          /* empty */ { $$= 0; }
        | IF EXISTS { $$= 1; }
        ;
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8659

8660
opt_temporary:
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          /* empty */ { $$= 0; }
        | TEMPORARY { $$= 1; }
        ;
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/*
** Insert : add new data to table
*/

insert:
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          INSERT
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_INSERT;
            lex->duplicates= DUP_ERROR; 
            mysql_init_select(lex);
            /* for subselects */
            lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
          }
          insert_lock_option
          opt_ignore insert2
          {
            Select->set_lock_for_tables($3);
            Lex->current_select= &Lex->select_lex;
          }
          insert_field_spec opt_insert_update
          {}
        ;
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8687 8688

replace:
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          REPLACE
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_REPLACE;
            lex->duplicates= DUP_REPLACE;
            mysql_init_select(lex);
          }
          replace_lock_option insert2
          {
            Select->set_lock_for_tables($3);
            Lex->current_select= &Lex->select_lex;
          }
          insert_field_spec
          {}
        ;
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8704 8705

insert_lock_option:
8706
          /* empty */
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          {
#ifdef HAVE_QUERY_CACHE
            /*
              If it is SP we do not allow insert optimisation whan result of
              insert visible only after the table unlocking but everyone can
              read table.
            */
8714
            $$= (Lex->sphead ? TL_WRITE_DEFAULT : TL_WRITE_CONCURRENT_INSERT);
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#else
            $$= TL_WRITE_CONCURRENT_INSERT;
#endif
          }
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        | LOW_PRIORITY  { $$= TL_WRITE_LOW_PRIORITY; }
        | DELAYED_SYM   { $$= TL_WRITE_DELAYED; }
        | HIGH_PRIORITY { $$= TL_WRITE; }
        ;
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8723 8724

replace_lock_option:
8725 8726 8727
          opt_low_priority { $$= $1; }
        | DELAYED_SYM { $$= TL_WRITE_DELAYED; }
        ;
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8728 8729

insert2:
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          INTO insert_table {}
        | insert_table {}
        ;
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insert_table:
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          table_name
          {
            LEX *lex=Lex;
            lex->field_list.empty();
            lex->many_values.empty();
            lex->insert_list=0;
          };
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8742 8743

insert_field_spec:
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          insert_values {}
        | '(' ')' insert_values {}
        | '(' fields ')' insert_values {}
        | SET
          {
            LEX *lex=Lex;
            if (!(lex->insert_list = new List_item) ||
                lex->many_values.push_back(lex->insert_list))
              MYSQL_YYABORT;
          }
          ident_eq_list
        ;
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8756 8757

fields:
8758 8759 8760
          fields ',' insert_ident { Lex->field_list.push_back($3); }
        | insert_ident { Lex->field_list.push_back($1); }
        ;
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insert_values:
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          VALUES values_list {}
        | VALUE_SYM values_list {}
        | create_select
          { Select->set_braces(0);}
          union_clause {}
        | '(' create_select ')'
          { Select->set_braces(1);}
          union_opt {}
8771
        ;
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8772 8773

values_list:
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          values_list ','  no_braces
        | no_braces
        ;
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8777 8778

ident_eq_list:
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          ident_eq_list ',' ident_eq_value
        | ident_eq_value
        ;
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8782 8783

ident_eq_value:
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          simple_ident_nospvar equal expr_or_default
          {
            LEX *lex=Lex;
            if (lex->field_list.push_back($1) ||
                lex->insert_list->push_back($3))
              MYSQL_YYABORT;
          }
        ;

equal:
          EQ {}
        | SET_VAR {}
        ;
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opt_equal:
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          /* empty */ {}
        | equal {}
        ;
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8802 8803

no_braces:
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          '('
          {
              if (!(Lex->insert_list = new List_item))
                MYSQL_YYABORT;
          }
          opt_values ')'
          {
            LEX *lex=Lex;
            if (lex->many_values.push_back(lex->insert_list))
              MYSQL_YYABORT;
          }
        ;
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8816 8817

opt_values:
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          /* empty */ {}
        | values
        ;
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8821 8822

values:
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          values ','  expr_or_default
          {
            if (Lex->insert_list->push_back($3))
              MYSQL_YYABORT;
          }
        | expr_or_default
          {
            if (Lex->insert_list->push_back($1))
              MYSQL_YYABORT;
          }
        ;
8834 8835

expr_or_default:
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          expr { $$= $1;}
        | DEFAULT {$$= new Item_default_value(Lex->current_context()); }
        ;
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8839

8840
opt_insert_update:
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          /* empty */
        | ON DUPLICATE_SYM { Lex->duplicates= DUP_UPDATE; }
8843
          KEY_SYM UPDATE_SYM insert_update_list
8844 8845
        ;

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8846 8847 8848
/* Update rows in a table */

update:
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          UPDATE_SYM
          {
            LEX *lex= Lex;
            mysql_init_select(lex);
            lex->sql_command= SQLCOM_UPDATE;
            lex->lock_option= TL_UNLOCK; /* Will be set later */
            lex->duplicates= DUP_ERROR; 
          }
          opt_low_priority opt_ignore join_table_list
          SET update_list
          {
            LEX *lex= Lex;
            if (lex->select_lex.table_list.elements > 1)
              lex->sql_command= SQLCOM_UPDATE_MULTI;
            else if (lex->select_lex.get_table_list()->derived)
            {
              /* it is single table update and it is update of derived table */
              my_error(ER_NON_UPDATABLE_TABLE, MYF(0),
                       lex->select_lex.get_table_list()->alias, "UPDATE");
              MYSQL_YYABORT;
            }
            /*
              In case of multi-update setting write lock for all tables may
              be too pessimistic. We will decrease lock level if possible in
              mysql_multi_update().
            */
            Select->set_lock_for_tables($3);
          }
          where_clause opt_order_clause delete_limit_clause {}
        ;
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8879 8880

update_list:
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          update_list ',' update_elem
        | update_elem
        ;
8884 8885

update_elem:
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          simple_ident_nospvar equal expr_or_default
          {
            if (add_item_to_list(YYTHD, $1) || add_value_to_list(YYTHD, $3))
              MYSQL_YYABORT;
          }
        ;
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insert_update_list:
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          insert_update_list ',' insert_update_elem
        | insert_update_elem
        ;
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insert_update_elem:
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          simple_ident_nospvar equal expr_or_default
          {
          LEX *lex= Lex;
          if (lex->update_list.push_back($1) || 
              lex->value_list.push_back($3))
              MYSQL_YYABORT;
          }
        ;
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8907 8908

opt_low_priority:
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          /* empty */ { $$= TL_WRITE_DEFAULT; }
        | LOW_PRIORITY { $$= TL_WRITE_LOW_PRIORITY; }
        ;
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8912 8913 8914 8915

/* Delete rows from a table */

delete:
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          DELETE_SYM
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_DELETE;
            mysql_init_select(lex);
            lex->lock_option= TL_WRITE_DEFAULT;
            lex->ignore= 0;
            lex->select_lex.init_order();
          }
          opt_delete_options single_multi {}
        ;
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single_multi:
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          FROM table_ident
          {
            if (!Select->add_table_to_list(YYTHD, $2, NULL, TL_OPTION_UPDATING,
                                           Lex->lock_option))
              MYSQL_YYABORT;
          }
          where_clause opt_order_clause
          delete_limit_clause {}
        | table_wild_list
          { mysql_init_multi_delete(Lex); }
8939
          FROM join_table_list where_clause
8940 8941
          { 
            if (multi_delete_set_locks_and_link_aux_tables(Lex))
8942
              MYSQL_YYABORT;
8943
          }
8944
        | FROM table_alias_ref_list
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          { mysql_init_multi_delete(Lex); }
          USING join_table_list where_clause
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          { 
            if (multi_delete_set_locks_and_link_aux_tables(Lex))
8949
              MYSQL_YYABORT;
8950
          }
8951
        ;
8952 8953

table_wild_list:
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          table_wild_one {}
        | table_wild_list ',' table_wild_one {}
        ;
8957 8958

table_wild_one:
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          ident opt_wild opt_table_alias
          {
            if (!Select->add_table_to_list(YYTHD, new Table_ident($1),
                                           $3,
                                           TL_OPTION_UPDATING | TL_OPTION_ALIAS,
                                           Lex->lock_option))
              MYSQL_YYABORT;
          }
        | ident '.' ident opt_wild opt_table_alias
          {
            if (!Select->add_table_to_list(YYTHD,
                                           new Table_ident(YYTHD, $1, $3, 0),
                                           $5, 
                                           TL_OPTION_UPDATING | TL_OPTION_ALIAS,
                                           Lex->lock_option))
              MYSQL_YYABORT;
          }
        ;
8977 8978

opt_wild:
8979 8980 8981
          /* empty */ {}
        | '.' '*' {}
        ;
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8982

8983
opt_delete_options:
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          /* empty */ {}
        | opt_delete_option opt_delete_options {}
        ;
8987 8988

opt_delete_option:
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          QUICK        { Select->options|= OPTION_QUICK; }
        | LOW_PRIORITY { Lex->lock_option= TL_WRITE_LOW_PRIORITY; }
        | IGNORE_SYM   { Lex->ignore= 1; }
        ;
8993

8994
truncate:
8995 8996 8997 8998 8999 9000 9001 9002 9003
          TRUNCATE_SYM opt_table_sym table_name
          {
            LEX* lex= Lex;
            lex->sql_command= SQLCOM_TRUNCATE;
            lex->select_lex.options= 0;
            lex->select_lex.sql_cache= SELECT_LEX::SQL_CACHE_UNSPECIFIED;
            lex->select_lex.init_order();
          }
        ;
9004

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9005
opt_table_sym:
9006 9007 9008
          /* empty */
        | TABLE_SYM
        ;
9009

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9010 9011
/* Show things */

9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022 9023 9024
show:
          SHOW
          {
            LEX *lex=Lex;
            lex->wild=0;
            lex->lock_option= TL_READ;
            mysql_init_select(lex);
            lex->current_select->parsing_place= SELECT_LIST;
            bzero((char*) &lex->create_info,sizeof(lex->create_info));
          }
          show_param
          {}
        ;
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9025 9026

show_param:
9027 9028 9029 9030 9031 9032 9033
           DATABASES wild_and_where
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SHOW_DATABASES;
             if (prepare_schema_table(YYTHD, lex, 0, SCH_SCHEMATA))
               MYSQL_YYABORT;
           }
9034
         | opt_full TABLES opt_db wild_and_where
9035 9036
           {
             LEX *lex= Lex;
9037
             lex->sql_command= SQLCOM_SHOW_TABLES;
9038
             lex->select_lex.db= $3;
9039
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TABLE_NAMES))
9040
               MYSQL_YYABORT;
9041
           }
9042 9043 9044
         | opt_full TRIGGERS_SYM opt_db wild_and_where
           {
             LEX *lex= Lex;
9045
             lex->sql_command= SQLCOM_SHOW_TRIGGERS;
9046 9047
             lex->select_lex.db= $3;
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TRIGGERS))
9048
               MYSQL_YYABORT;
9049
           }
9050
         | EVENTS_SYM opt_db wild_and_where
9051 9052
           {
             LEX *lex= Lex;
9053
             lex->sql_command= SQLCOM_SHOW_EVENTS;
9054
             lex->select_lex.db= $2;
9055
             if (prepare_schema_table(YYTHD, lex, 0, SCH_EVENTS))
9056
               MYSQL_YYABORT;
9057
           }
9058
         | TABLE_SYM STATUS_SYM opt_db wild_and_where
9059 9060
           {
             LEX *lex= Lex;
9061
             lex->sql_command= SQLCOM_SHOW_TABLE_STATUS;
9062
             lex->select_lex.db= $3;
9063
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TABLES))
9064
               MYSQL_YYABORT;
9065
           }
9066
        | OPEN_SYM TABLES opt_db wild_and_where
9067 9068
          {
            LEX *lex= Lex;
9069
            lex->sql_command= SQLCOM_SHOW_OPEN_TABLES;
9070
            lex->select_lex.db= $3;
9071
            if (prepare_schema_table(YYTHD, lex, 0, SCH_OPEN_TABLES))
9072
              MYSQL_YYABORT;
9073
          }
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9074
        | opt_full PLUGIN_SYM
9075 9076 9077
          {
            LEX *lex= Lex;
            WARN_DEPRECATED(yythd, "5.2", "SHOW PLUGIN", "'SHOW PLUGINS'");
9078
            lex->sql_command= SQLCOM_SHOW_PLUGINS;
9079
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PLUGINS))
9080
              MYSQL_YYABORT;
9081
          }
9082
        | PLUGINS_SYM
9083 9084
          {
            LEX *lex= Lex;
9085
            lex->sql_command= SQLCOM_SHOW_PLUGINS;
9086
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PLUGINS))
9087
              MYSQL_YYABORT;
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          }
        | ENGINE_SYM known_storage_engines show_engine_param
          { Lex->create_info.db_type= $2; }
        | ENGINE_SYM ALL show_engine_param
          { Lex->create_info.db_type= NULL; }
        | opt_full COLUMNS from_or_in table_ident opt_db wild_and_where
9094
          {
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            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SHOW_FIELDS;
            if ($5)
              $4->change_db($5);
            if (prepare_schema_table(YYTHD, lex, $4, SCH_COLUMNS))
              MYSQL_YYABORT;
          }
        | NEW_SYM MASTER_SYM FOR_SYM SLAVE
          WITH MASTER_LOG_FILE_SYM EQ
          TEXT_STRING_sys /* $8 */
          AND_SYM MASTER_LOG_POS_SYM EQ
          ulonglong_num /* $12 */
          AND_SYM MASTER_SERVER_ID_SYM EQ
          ulong_num /* $16 */
          {
            Lex->sql_command = SQLCOM_SHOW_NEW_MASTER;
            Lex->mi.log_file_name = $8.str;
            Lex->mi.pos = $12;
            Lex->mi.server_id = $16;
9114
          }
9115
        | master_or_binary LOGS_SYM
9116
          {
9117
            Lex->sql_command = SQLCOM_SHOW_BINLOGS;
9118 9119 9120
          }
        | SLAVE HOSTS_SYM
          {
9121
            Lex->sql_command = SQLCOM_SHOW_SLAVE_HOSTS;
9122
          }
9123
        | BINLOG_SYM EVENTS_SYM binlog_in binlog_from
9124
          {
9125 9126
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SHOW_BINLOG_EVENTS;
9127
          } opt_limit_clause_init
9128
        | keys_or_index from_or_in table_ident opt_db where_clause
9129 9130
          {
            LEX *lex= Lex;
9131
            lex->sql_command= SQLCOM_SHOW_KEYS;
9132 9133
            if ($4)
              $3->change_db($4);
9134
            if (prepare_schema_table(YYTHD, lex, $3, SCH_STATISTICS))
9135
              MYSQL_YYABORT;
9136 9137 9138 9139 9140 9141 9142 9143 9144 9145 9146
          }
        | COLUMN_SYM TYPES_SYM
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_COLUMN_TYPES;
          }
        | TABLE_SYM TYPES_SYM
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_STORAGE_ENGINES;
            WARN_DEPRECATED(yythd, "5.2", "SHOW TABLE TYPES", "'SHOW [STORAGE] ENGINES'");
9147 9148
            if (prepare_schema_table(YYTHD, lex, 0, SCH_ENGINES))
              MYSQL_YYABORT;
9149 9150 9151 9152 9153
          }
        | opt_storage ENGINES_SYM
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_STORAGE_ENGINES;
9154
            if (prepare_schema_table(YYTHD, lex, 0, SCH_ENGINES))
9155
              MYSQL_YYABORT;
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          }
        | AUTHORS_SYM
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_AUTHORS;
          }
        | CONTRIBUTORS_SYM
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_CONTRIBUTORS;
          }
        | PRIVILEGES
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_PRIVILEGES;
          }
9172
        | COUNT_SYM '(' '*' ')' WARNINGS
9173
          { (void) create_select_for_variable("warning_count"); }
9174
        | COUNT_SYM '(' '*' ')' ERRORS
9175
          { (void) create_select_for_variable("error_count"); }
9176
        | WARNINGS opt_limit_clause_init
9177
          { Lex->sql_command = SQLCOM_SHOW_WARNS;}
9178
        | ERRORS opt_limit_clause_init
9179
          { Lex->sql_command = SQLCOM_SHOW_ERRORS;}
9180
        | opt_var_type STATUS_SYM wild_and_where
9181
          {
9182
            LEX *lex= Lex;
9183
            lex->sql_command= SQLCOM_SHOW_STATUS;
9184
            lex->option_type= $1;
9185
            if (prepare_schema_table(YYTHD, lex, 0, SCH_STATUS))
9186
              MYSQL_YYABORT;
9187
          }
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9188
        | INNOBASE_SYM STATUS_SYM
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          {
            LEX *lex= Lex;
            lex->sql_command = SQLCOM_SHOW_ENGINE_STATUS;
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            if (!(lex->create_info.db_type=
                  ha_resolve_by_legacy_type(YYTHD, DB_TYPE_INNODB)))
            {
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              my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), "InnoDB");
              MYSQL_YYABORT;
9197
            }
9198
            WARN_DEPRECATED(yythd, "5.2", "SHOW INNODB STATUS", "'SHOW ENGINE INNODB STATUS'");
9199
          }
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9200
        | MUTEX_SYM STATUS_SYM
9201
          {
9202
            LEX *lex= Lex;
9203
            lex->sql_command = SQLCOM_SHOW_ENGINE_MUTEX;
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            if (!(lex->create_info.db_type=
                  ha_resolve_by_legacy_type(YYTHD, DB_TYPE_INNODB)))
            {
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              my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), "InnoDB");
              MYSQL_YYABORT;
9209
            }
9210
            WARN_DEPRECATED(yythd, "5.2", "SHOW MUTEX STATUS", "'SHOW ENGINE INNODB MUTEX'");
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          }
        | opt_full PROCESSLIST_SYM
          { Lex->sql_command= SQLCOM_SHOW_PROCESSLIST;}
9214
        | opt_var_type  VARIABLES wild_and_where
9215
          {
9216
            LEX *lex= Lex;
9217
            lex->sql_command= SQLCOM_SHOW_VARIABLES;
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            lex->option_type= $1;
9219
            if (prepare_schema_table(YYTHD, lex, 0, SCH_VARIABLES))
9220
              MYSQL_YYABORT;
9221
          }
9222
        | charset wild_and_where
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          {
            LEX *lex= Lex;
9225
            lex->sql_command= SQLCOM_SHOW_CHARSETS;
9226
            if (prepare_schema_table(YYTHD, lex, 0, SCH_CHARSETS))
9227
              MYSQL_YYABORT;
9228
          }
9229
        | COLLATION_SYM wild_and_where
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          {
            LEX *lex= Lex;
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            lex->sql_command= SQLCOM_SHOW_COLLATIONS;
9233
            if (prepare_schema_table(YYTHD, lex, 0, SCH_COLLATIONS))
9234
              MYSQL_YYABORT;
9235
          }
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        | GRANTS
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_GRANTS;
            LEX_USER *curr_user;
9241
            if (!(curr_user= (LEX_USER*) lex->thd->alloc(sizeof(st_lex_user))))
9242
              MYSQL_YYABORT;
9243
            bzero(curr_user, sizeof(st_lex_user));
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            lex->grant_user= curr_user;
          }
        | GRANTS FOR_SYM user
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SHOW_GRANTS;
            lex->grant_user=$3;
            lex->grant_user->password=null_lex_str;
          }
        | CREATE DATABASE opt_if_not_exists ident
          {
            Lex->sql_command=SQLCOM_SHOW_CREATE_DB;
            Lex->create_info.options=$3;
            Lex->name= $4;
          }
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        | CREATE TABLE_SYM table_ident
          {
9261
            LEX *lex= Lex;
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            lex->sql_command = SQLCOM_SHOW_CREATE;
            if (!lex->select_lex.add_table_to_list(YYTHD, $3, NULL,0))
              MYSQL_YYABORT;
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            lex->only_view= 0;
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            lex->create_info.storage_media= HA_SM_DEFAULT;
          }
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        | CREATE VIEW_SYM table_ident
          {
            LEX *lex= Lex;
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            lex->sql_command = SQLCOM_SHOW_CREATE;
            if (!lex->select_lex.add_table_to_list(YYTHD, $3, NULL, 0))
              MYSQL_YYABORT;
9274
            lex->only_view= 1;
9275
          }
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        | MASTER_SYM STATUS_SYM
          {
9278
            Lex->sql_command = SQLCOM_SHOW_MASTER_STAT;
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9279
          }
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        | SLAVE STATUS_SYM
          {
9282
            Lex->sql_command = SQLCOM_SHOW_SLAVE_STAT;
9283
          }
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        | CREATE PROCEDURE sp_name
          {
            LEX *lex= Lex;
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            lex->sql_command = SQLCOM_SHOW_CREATE_PROC;
            lex->spname= $3;
          }
        | CREATE FUNCTION_SYM sp_name
          {
            LEX *lex= Lex;
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            lex->sql_command = SQLCOM_SHOW_CREATE_FUNC;
            lex->spname= $3;
          }
        | CREATE TRIGGER_SYM sp_name
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SHOW_CREATE_TRIGGER;
            lex->spname= $3;
          }
        | PROCEDURE STATUS_SYM wild_and_where
          {
9306
            LEX *lex= Lex;
9307
            lex->sql_command= SQLCOM_SHOW_STATUS_PROC;
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            if (!sp_add_to_query_tables(YYTHD, lex, "mysql", "proc", TL_READ))
              MYSQL_YYABORT;
9310
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PROCEDURES))
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              MYSQL_YYABORT;
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          }
        | FUNCTION_SYM STATUS_SYM wild_and_where
          {
9315
            LEX *lex= Lex;
9316
            lex->sql_command= SQLCOM_SHOW_STATUS_FUNC;
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            if (!sp_add_to_query_tables(YYTHD, lex, "mysql", "proc", TL_READ))
              MYSQL_YYABORT;
9319
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PROCEDURES))
9320
              MYSQL_YYABORT;
9321
          }
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        | PROCEDURE CODE_SYM sp_name
          {
#ifdef DBUG_OFF
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            my_parse_error(ER(ER_SYNTAX_ERROR));
            MYSQL_YYABORT;
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#else
            Lex->sql_command= SQLCOM_SHOW_PROC_CODE;
9329
            Lex->spname= $3;
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#endif
          }
        | FUNCTION_SYM CODE_SYM sp_name
          {
#ifdef DBUG_OFF
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            my_parse_error(ER(ER_SYNTAX_ERROR));
            MYSQL_YYABORT;
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#else
            Lex->sql_command= SQLCOM_SHOW_FUNC_CODE;
9339
            Lex->spname= $3;
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#endif
          }
9342 9343
        | CREATE EVENT_SYM sp_name
          {
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9344
            Lex->spname= $3;
9345
            Lex->sql_command = SQLCOM_SHOW_CREATE_EVENT;
9346
          }
9347
        ;
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9348

9349
show_engine_param:
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          STATUS_SYM
          { Lex->sql_command= SQLCOM_SHOW_ENGINE_STATUS; }
        | MUTEX_SYM
          { Lex->sql_command= SQLCOM_SHOW_ENGINE_MUTEX; }
        | LOGS_SYM
          { Lex->sql_command= SQLCOM_SHOW_ENGINE_LOGS; }
        ;
9357

9358
master_or_binary:
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          MASTER_SYM
        | BINARY
        ;
9362

9363
opt_storage:
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          /* empty */
        | STORAGE_SYM
        ;
9367

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opt_db:
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          /* empty */  { $$= 0; }
        | from_or_in ident { $$= $2.str; }
        ;
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opt_full:
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          /* empty */ { Lex->verbose=0; }
        | FULL        { Lex->verbose=1; }
        ;
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9377

9378
from_or_in:
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          FROM
        | IN_SYM
        ;
9382

9383
binlog_in:
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          /* empty */            { Lex->mi.log_file_name = 0; }
        | IN_SYM TEXT_STRING_sys { Lex->mi.log_file_name = $2.str; }
        ;
9387 9388

binlog_from:
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          /* empty */        { Lex->mi.pos = 4; /* skip magic number */ }
        | FROM ulonglong_num { Lex->mi.pos = $2; }
        ;
9392

9393
wild_and_where:
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          /* empty */
        | LIKE TEXT_STRING_sys
          {
            Lex->wild= new (YYTHD->mem_root) String($2.str, $2.length,
                                                    system_charset_info);
          }
        | WHERE expr
          {
            Select->where= $2;
            if ($2)
              $2->top_level_item();
          }
        ;
9407

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9408 9409
/* A Oracle compatible synonym for show */
describe:
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          describe_command table_ident
          {
            LEX *lex= Lex;
            lex->lock_option= TL_READ;
            mysql_init_select(lex);
            lex->current_select->parsing_place= SELECT_LIST;
            lex->sql_command= SQLCOM_SHOW_FIELDS;
            lex->select_lex.db= 0;
            lex->verbose= 0;
            if (prepare_schema_table(YYTHD, lex, $2, SCH_COLUMNS))
              MYSQL_YYABORT;
          }
          opt_describe_column {}
        | describe_command opt_extended_describe
          { Lex->describe|= DESCRIBE_NORMAL; }
          select
          {
            LEX *lex=Lex;
            lex->select_lex.options|= SELECT_DESCRIBE;
          }
        ;
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describe_command:
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          DESC
        | DESCRIBE
        ;
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9437
opt_extended_describe:
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          /* empty */ {}
        | EXTENDED_SYM   { Lex->describe|= DESCRIBE_EXTENDED; }
        | PARTITIONS_SYM { Lex->describe|= DESCRIBE_PARTITIONS; }
        ;
9442

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9443
opt_describe_column:
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          /* empty */ {}
        | text_string { Lex->wild= $1; }
        | ident
          {
            Lex->wild= new (YYTHD->mem_root) String((const char*) $1.str,
                                                    $1.length,
                                                    system_charset_info);
          }
        ;
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/* flush things */

flush:
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          FLUSH_SYM opt_no_write_to_binlog
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_FLUSH;
            lex->type= 0;
            lex->no_write_to_binlog= $2;
          }
          flush_options
          {}
        ;
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9468 9469

flush_options:
9470 9471 9472
          flush_options ',' flush_option
        | flush_option
        ;
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9473 9474

flush_option:
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          table_or_tables
          { Lex->type|= REFRESH_TABLES; }
          opt_table_list {}
        | TABLES WITH READ_SYM LOCK_SYM
          { Lex->type|= REFRESH_TABLES | REFRESH_READ_LOCK; }
        | QUERY_SYM CACHE_SYM
          { Lex->type|= REFRESH_QUERY_CACHE_FREE; }
        | HOSTS_SYM
          { Lex->type|= REFRESH_HOSTS; }
        | PRIVILEGES
          { Lex->type|= REFRESH_GRANT; }
        | LOGS_SYM
          { Lex->type|= REFRESH_LOG; }
        | STATUS_SYM
          { Lex->type|= REFRESH_STATUS; }
        | SLAVE
          { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM
          { Lex->type|= REFRESH_MASTER; }
        | DES_KEY_FILE
          { Lex->type|= REFRESH_DES_KEY_FILE; }
        | RESOURCES
          { Lex->type|= REFRESH_USER_RESOURCES; }
        ;
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9499

9500
opt_table_list:
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          /* empty */  {}
        | table_list {}
        ;
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9504

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9505
reset:
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          RESET_SYM
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_RESET; lex->type=0;
          }
          reset_options
          {}
        ;
9514

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9515
reset_options:
9516 9517 9518
          reset_options ',' reset_option
        | reset_option
        ;
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9519 9520

reset_option:
9521
          SLAVE               { Lex->type|= REFRESH_SLAVE; }
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9522
        | MASTER_SYM          { Lex->type|= REFRESH_MASTER; }
9523 9524
        | QUERY_SYM CACHE_SYM { Lex->type|= REFRESH_QUERY_CACHE;}
        ;
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9525

9526
purge:
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          PURGE
          {
            LEX *lex=Lex;
            lex->type=0;
            lex->sql_command = SQLCOM_PURGE;
          }
          purge_options
          {}
        ;
9536 9537

purge_options:
9538 9539
          master_or_binary LOGS_SYM purge_option
        ;
9540 9541

purge_option:
9542 9543 9544 9545 9546 9547 9548 9549 9550 9551 9552 9553
          TO_SYM TEXT_STRING_sys
          {
            Lex->to_log = $2.str;
          }
        | BEFORE_SYM expr
          {
            LEX *lex= Lex;
            lex->value_list.empty();
            lex->value_list.push_front($2);
            lex->sql_command= SQLCOM_PURGE_BEFORE;
          }
        ;
9554

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9555 9556 9557
/* kill threads */

kill:
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          KILL_SYM kill_option expr
          {
            LEX *lex=Lex;
            lex->value_list.empty();
            lex->value_list.push_front($3);
            lex->sql_command= SQLCOM_KILL;
          }
        ;
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9567
kill_option:
9568 9569 9570
          /* empty */ { Lex->type= 0; }
        | CONNECTION_SYM { Lex->type= 0; }
        | QUERY_SYM      { Lex->type= ONLY_KILL_QUERY; }
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9571
        ;
9572

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9573 9574
/* change database */

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use:
          USE_SYM ident
          {
            LEX *lex=Lex;
            lex->sql_command=SQLCOM_CHANGE_DB;
            lex->select_lex.db= $2.str;
          }
        ;
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9583 9584 9585

/* import, export of files */

9586 9587 9588 9589 9590 9591
load:
          LOAD DATA_SYM
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
9592

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            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "LOAD DATA");
              MYSQL_YYABORT;
            }
            lex->fname_start= lip->get_ptr();
          }
          load_data
          {}
        | LOAD TABLE_SYM table_ident FROM MASTER_SYM
          {
            LEX *lex=Lex;
            WARN_DEPRECATED(yythd, "5.2", "LOAD TABLE FROM MASTER",
                            "MySQL Administrator (mysqldump, mysql)");
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "LOAD TABLE");
              MYSQL_YYABORT;
            }
            lex->sql_command = SQLCOM_LOAD_MASTER_TABLE;
            if (!Select->add_table_to_list(YYTHD, $3, NULL, TL_OPTION_UPDATING))
              MYSQL_YYABORT;
          }
        ;
9617 9618

load_data:
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          load_data_lock opt_local INFILE TEXT_STRING_filesystem
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_LOAD;
            lex->lock_option= $1;
            lex->local_file=  $2;
            lex->duplicates= DUP_ERROR;
            lex->ignore= 0;
            if (!(lex->exchange= new sql_exchange($4.str, 0)))
              MYSQL_YYABORT;
          }
          opt_duplicate INTO
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            lex->fname_end= lip->get_ptr();
          }
          TABLE_SYM table_ident
          {
            LEX *lex=Lex;
            if (!Select->add_table_to_list(YYTHD, $10, NULL, TL_OPTION_UPDATING,
                                           lex->lock_option))
              MYSQL_YYABORT;
            lex->field_list.empty();
            lex->update_list.empty();
            lex->value_list.empty();
          }
          opt_load_data_charset
          { Lex->exchange->cs= $12; }
          opt_field_term opt_line_term opt_ignore_lines opt_field_or_var_spec
          opt_load_data_set_spec
          {}
        | FROM MASTER_SYM
          {
            Lex->sql_command = SQLCOM_LOAD_MASTER_DATA;
            WARN_DEPRECATED(yythd, "5.2", "LOAD DATA FROM MASTER",
                            "mysqldump or future "
                            "BACKUP/RESTORE DATABASE facility");
          }
        ;
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opt_local:
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          /* empty */ { $$=0;}
        | LOCAL_SYM { $$=1;}
        ;
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9665

9666
load_data_lock:
9667 9668
          /* empty */ { $$= TL_WRITE_DEFAULT; }
        | CONCURRENT
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          {
#ifdef HAVE_QUERY_CACHE
            /*
              Ignore this option in SP to avoid problem with query cache
            */
            if (Lex->sphead != 0)
9675
              $$= TL_WRITE_DEFAULT;
9676
            else
9677 9678 9679
#endif
              $$= TL_WRITE_CONCURRENT_INSERT;
          }
9680 9681
        | LOW_PRIORITY { $$= TL_WRITE_LOW_PRIORITY; }
        ;
9682

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9683
opt_duplicate:
9684 9685 9686 9687
          /* empty */ { Lex->duplicates=DUP_ERROR; }
        | REPLACE { Lex->duplicates=DUP_REPLACE; }
        | IGNORE_SYM { Lex->ignore= 1; }
        ;
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opt_field_term:
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          /* empty */
        | COLUMNS field_term_list
        ;
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field_term_list:
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          field_term_list field_term
        | field_term
        ;
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9698 9699

field_term:
9700
          TERMINATED BY text_string 
9701
          {
9702
            DBUG_ASSERT(Lex->exchange != 0);
9703 9704
            Lex->exchange->field_term= $3;
          }
9705 9706
        | OPTIONALLY ENCLOSED BY text_string
          {
9707
            LEX *lex= Lex;
9708
            DBUG_ASSERT(lex->exchange != 0);
9709 9710
            lex->exchange->enclosed= $4;
            lex->exchange->opt_enclosed= 1;
9711
          }
9712
        | ENCLOSED BY text_string
9713
          {
9714
            DBUG_ASSERT(Lex->exchange != 0);
9715 9716
            Lex->exchange->enclosed= $3;
          }
9717
        | ESCAPED BY text_string
9718
          {
9719
            DBUG_ASSERT(Lex->exchange != 0);
9720
            Lex->exchange->escaped= $3;
9721 9722
          }
        ;
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9723 9724

opt_line_term:
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          /* empty */
        | LINES line_term_list
        ;
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line_term_list:
9730 9731 9732
          line_term_list line_term
        | line_term
        ;
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9733 9734

line_term:
9735
          TERMINATED BY text_string
9736
          {
9737
            DBUG_ASSERT(Lex->exchange != 0);
9738 9739
            Lex->exchange->line_term= $3;
          }
9740
        | STARTING BY text_string
9741
          {
9742
            DBUG_ASSERT(Lex->exchange != 0);
9743
            Lex->exchange->line_start= $3;
9744 9745
          }
        ;
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9746 9747

opt_ignore_lines:
9748
          /* empty */
9749 9750
        | IGNORE_SYM NUM LINES
          {
9751
            DBUG_ASSERT(Lex->exchange != 0);
9752
            Lex->exchange->skip_lines= atol($2.str);
9753 9754
          }
        ;
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9755

9756
opt_field_or_var_spec:
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          /* empty */ {}
        | '(' fields_or_vars ')' {}
        | '(' ')' {}
        ;
9761 9762

fields_or_vars:
9763
          fields_or_vars ',' field_or_var
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          { Lex->field_list.push_back($3); }
        | field_or_var
          { Lex->field_list.push_back($1); }
        ;
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9769
field_or_var:
9770
          simple_ident_nospvar {$$= $1;}
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        | '@' ident_or_text
          { $$= new Item_user_var_as_out_param($2); }
        ;

opt_load_data_set_spec:
9776 9777 9778
          /* empty */ {}
        | SET insert_update_list {}
        ;
9779

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9780 9781 9782
/* Common definitions */

text_literal:
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          TEXT_STRING
          {
            LEX_STRING tmp;
            THD *thd= YYTHD;
            CHARSET_INFO *cs_con= thd->variables.collation_connection;
            CHARSET_INFO *cs_cli= thd->variables.character_set_client;
            uint repertoire= thd->lex->text_string_is_7bit &&
9790
                             my_charset_is_ascii_based(cs_cli) ?
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                             MY_REPERTOIRE_ASCII : MY_REPERTOIRE_UNICODE30;
            if (thd->charset_is_collation_connection ||
                (repertoire == MY_REPERTOIRE_ASCII &&
                 my_charset_is_ascii_based(cs_con)))
              tmp= $1;
            else
              thd->convert_string(&tmp, cs_con, $1.str, $1.length, cs_cli);
            $$= new Item_string(tmp.str, tmp.length, cs_con,
                                DERIVATION_COERCIBLE, repertoire);
          }
9801
        | NCHAR_STRING
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          {
            uint repertoire= Lex->text_string_is_7bit ?
                             MY_REPERTOIRE_ASCII : MY_REPERTOIRE_UNICODE30;
            DBUG_ASSERT(my_charset_is_ascii_based(national_charset_info));
            $$= new Item_string($1.str, $1.length, national_charset_info,
                                DERIVATION_COERCIBLE, repertoire);
          }
9809 9810
        | UNDERSCORE_CHARSET TEXT_STRING
          {
9811
            $$= new Item_string($2.str, $2.length, $1);
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            ((Item_string*) $$)->set_repertoire_from_value();
          }
        | text_literal TEXT_STRING_literal
          {
            Item_string* item= (Item_string*) $1;
            item->append($2.str, $2.length);
            if (!(item->collation.repertoire & MY_REPERTOIRE_EXTENDED))
            {
              /*
                 If the string has been pure ASCII so far,
                 check the new part.
              */
              CHARSET_INFO *cs= YYTHD->variables.collation_connection;
              item->collation.repertoire|= my_string_repertoire(cs,
                                                                $2.str,
                                                                $2.length);
            }
          }
        ;
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9831 9832

text_string:
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          TEXT_STRING_literal
          {
            $$= new (YYTHD->mem_root) String($1.str,
                                             $1.length,
                                             YYTHD->variables.collation_connection);
          }
        | HEX_NUM
          {
            Item *tmp= new Item_hex_string($1.str, $1.length);
            /*
              it is OK only emulate fix_fields, because we need only
9844
              value of constant
9845 9846 9847 9848 9849
            */
            $$= tmp ?
              tmp->quick_fix_field(), tmp->val_str((String*) 0) :
              (String*) 0;
          }
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9850 9851
        | BIN_NUM
          {
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            Item *tmp= new Item_bin_string($1.str, $1.length);
            /*
              it is OK only emulate fix_fields, because we need only
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9855
              value of constant
9856 9857 9858
            */
            $$= tmp ? tmp->quick_fix_field(), tmp->val_str((String*) 0) :
              (String*) 0;
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9859
          }
9860
        ;
9861

9862
param_marker:
9863
          PARAM_MARKER
9864
          {
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            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            Item_param *item;
            if (! lex->parsing_options.allows_variable)
            {
              my_error(ER_VIEW_SELECT_VARIABLE, MYF(0));
              MYSQL_YYABORT;
            }
            item= new Item_param((uint) (lip->get_tok_start() - thd->query));
            if (!($$= item) || lex->param_list.push_back(item))
            {
              my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
              MYSQL_YYABORT;
            }
9880
          }
9881
        ;
9882

9883
signed_literal:
9884 9885 9886 9887 9888 9889 9890 9891
          literal { $$ = $1; }
        | '+' NUM_literal { $$ = $2; }
        | '-' NUM_literal
          {
            $2->max_length++;
            $$= $2->neg();
          }
        ;
9892

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9893
literal:
9894 9895 9896
          text_literal { $$ = $1; }
        | NUM_literal { $$ = $1; }
        | NULL_SYM
9897 9898 9899 9900
          {
            $$ = new Item_null();
            YYTHD->m_lip->next_state=MY_LEX_OPERATOR_OR_IDENT;
          }
9901 9902 9903 9904
        | FALSE_SYM { $$= new Item_int((char*) "FALSE",0,1); }
        | TRUE_SYM { $$= new Item_int((char*) "TRUE",1,1); }
        | HEX_NUM { $$ = new Item_hex_string($1.str, $1.length);}
        | BIN_NUM { $$= new Item_bin_string($1.str, $1.length); }
9905 9906 9907 9908 9909
        | UNDERSCORE_CHARSET HEX_NUM
          {
            Item *tmp= new Item_hex_string($2.str, $2.length);
            /*
              it is OK only emulate fix_fieds, because we need only
9910
              value of constant
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            */
            String *str= tmp ?
              tmp->quick_fix_field(), tmp->val_str((String*) 0) :
              (String*) 0;
            $$= new Item_string(str ? str->ptr() : "",
                                str ? str->length() : 0,
9917
                                $1);
9918 9919 9920
            if ($$)
              ((Item_string *) $$)->set_repertoire_from_value();
          }
9921
        | UNDERSCORE_CHARSET BIN_NUM
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9922
          {
9923 9924 9925
            Item *tmp= new Item_bin_string($2.str, $2.length);
            /*
              it is OK only emulate fix_fieds, because we need only
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9926
              value of constant
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            */
            String *str= tmp ?
              tmp->quick_fix_field(), tmp->val_str((String*) 0) :
              (String*) 0;
            $$= new Item_string(str ? str->ptr() : "",
                                str ? str->length() : 0,
            Lex->charset);
          }
        | DATE_SYM text_literal { $$ = $2; }
        | TIME_SYM text_literal { $$ = $2; }
        | TIMESTAMP text_literal { $$ = $2; }
        ;
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9940
NUM_literal:
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          NUM
          {
            int error;
            $$ = new Item_int($1.str, (longlong) my_strtoll10($1.str, NULL, &error), $1.length);
          }
        | LONG_NUM
          {
            int error;
            $$ = new Item_int($1.str, (longlong) my_strtoll10($1.str, NULL, &error), $1.length);
          }
        | ULONGLONG_NUM
          { $$ = new Item_uint($1.str, $1.length); }
9953
        | DECIMAL_NUM
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          {
            $$= new Item_decimal($1.str, $1.length, YYTHD->charset());
            if (YYTHD->net.report_error)
            {
              MYSQL_YYABORT;
            }
          }
        | FLOAT_NUM
          {
            $$ = new Item_float($1.str, $1.length);
            if (YYTHD->net.report_error)
            {
              MYSQL_YYABORT;
            }
          }
        ;
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9970

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9971
/**********************************************************************
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9972
** Creating different items.
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9973 9974 9975
**********************************************************************/

insert_ident:
9976 9977 9978
          simple_ident_nospvar { $$=$1; }
        | table_wild { $$=$1; }
        ;
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9979 9980

table_wild:
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          ident '.' '*'
          {
            SELECT_LEX *sel= Select;
            $$ = new Item_field(Lex->current_context(), NullS, $1.str, "*");
            sel->with_wild++;
          }
        | ident '.' ident '.' '*'
          {
            SELECT_LEX *sel= Select;
            $$ = new Item_field(Lex->current_context(), (YYTHD->client_capabilities &
                                CLIENT_NO_SCHEMA ? NullS : $1.str),
                                $3.str,"*");
            sel->with_wild++;
          }
        ;
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9996 9997

order_ident:
9998 9999
          expr { $$=$1; }
        ;
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10000 10001

simple_ident:
10002 10003 10004 10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015 10016
          ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            sp_variable_t *spv;
            sp_pcontext *spc = lex->spcont;
            if (spc && (spv = spc->find_variable(&$1)))
            {
              /* We're compiling a stored procedure and found a variable */
              if (! lex->parsing_options.allows_variable)
              {
                my_error(ER_VIEW_SELECT_VARIABLE, MYF(0));
                MYSQL_YYABORT;
              }
10017

10018 10019 10020 10021 10022
              Item_splocal *splocal;
              splocal= new Item_splocal($1, spv->offset, spv->type,
                                        lip->get_tok_start_prev() -
                                        lex->sphead->m_tmp_query,
                                        lip->get_tok_end() - lip->get_tok_start_prev());
10023
#ifndef DBUG_OFF
10024 10025
              if (splocal)
                splocal->m_sp= lex->sphead;
10026
#endif
10027 10028 10029 10030 10031 10032 10033 10034 10035 10036 10037 10038
              $$ = (Item*) splocal;
              lex->safe_to_cache_query=0;
            }
            else
            {
              SELECT_LEX *sel=Select;
              $$= (sel->parsing_place != IN_HAVING ||
                  sel->get_in_sum_expr() > 0) ?
                  (Item*) new Item_field(Lex->current_context(), NullS, NullS, $1.str) :
                  (Item*) new Item_ref(Lex->current_context(), NullS, NullS, $1.str);
            }
          }
10039
        | simple_ident_q { $$= $1; }
10040
        ;
10041 10042

simple_ident_nospvar:
10043 10044 10045 10046 10047 10048 10049 10050 10051 10052
          ident
          {
            SELECT_LEX *sel=Select;
            $$= (sel->parsing_place != IN_HAVING ||
                sel->get_in_sum_expr() > 0) ?
                (Item*) new Item_field(Lex->current_context(), NullS, NullS, $1.str) :
                (Item*) new Item_ref(Lex->current_context(), NullS, NullS, $1.str);
          }
        | simple_ident_q { $$= $1; }
        ;
10053 10054

simple_ident_q:
10055
          ident '.' ident
10056
          {
10057 10058
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
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10059

10060 10061 10062 10063 10064 10065 10066 10067
            /*
              FIXME This will work ok in simple_ident_nospvar case because
              we can't meet simple_ident_nospvar in trigger now. But it
              should be changed in future.
            */
            if (lex->sphead && lex->sphead->m_type == TYPE_ENUM_TRIGGER &&
                (!my_strcasecmp(system_charset_info, $1.str, "NEW") ||
                 !my_strcasecmp(system_charset_info, $1.str, "OLD")))
10068
            {
10069 10070
              Item_trigger_field *trg_fld;
              bool new_row= ($1.str[0]=='N' || $1.str[0]=='n');
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10072 10073 10074 10075 10076 10077
              if (lex->trg_chistics.event == TRG_EVENT_INSERT &&
                  !new_row)
              {
                my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0), "OLD", "on INSERT");
                MYSQL_YYABORT;
              }
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10078

10079 10080 10081 10082 10083 10084
              if (lex->trg_chistics.event == TRG_EVENT_DELETE &&
                  new_row)
              {
                my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0), "NEW", "on DELETE");
                MYSQL_YYABORT;
              }
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10085

10086 10087 10088 10089 10090 10091 10092 10093 10094 10095 10096 10097 10098 10099 10100 10101 10102 10103 10104 10105
              DBUG_ASSERT(!new_row ||
                          (lex->trg_chistics.event == TRG_EVENT_INSERT ||
                           lex->trg_chistics.event == TRG_EVENT_UPDATE));
              const bool read_only=
                !(new_row && lex->trg_chistics.action_time == TRG_ACTION_BEFORE);
              if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
                                                    new_row ?
                                                    Item_trigger_field::NEW_ROW:
                                                    Item_trigger_field::OLD_ROW,
                                                    $3.str,
                                                    SELECT_ACL,
                                                    read_only)))
                MYSQL_YYABORT;

              /*
                Let us add this item to list of all Item_trigger_field objects
                in trigger.
              */
              lex->trg_table_fields.link_in_list((uchar*) trg_fld,
                                                 (uchar**) &trg_fld->next_trg_field);
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10106

10107 10108 10109 10110 10111 10112 10113 10114 10115 10116 10117 10118 10119 10120 10121 10122 10123 10124 10125 10126 10127 10128 10129 10130 10131 10132 10133 10134 10135 10136 10137 10138 10139 10140 10141 10142 10143 10144 10145 10146 10147 10148 10149 10150 10151 10152 10153 10154 10155 10156 10157 10158 10159
              $$= (Item *)trg_fld;
            }
            else
            {
              SELECT_LEX *sel= lex->current_select;
              if (sel->no_table_names_allowed)
              {
                my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                         MYF(0), $1.str, thd->where);
              }
              $$= (sel->parsing_place != IN_HAVING ||
                  sel->get_in_sum_expr() > 0) ?
                  (Item*) new Item_field(Lex->current_context(), NullS, $1.str, $3.str) :
                  (Item*) new Item_ref(Lex->current_context(), NullS, $1.str, $3.str);
            }
          }
        | '.' ident '.' ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            SELECT_LEX *sel= lex->current_select;
            if (sel->no_table_names_allowed)
            {
              my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                       MYF(0), $2.str, thd->where);
            }
            $$= (sel->parsing_place != IN_HAVING ||
                sel->get_in_sum_expr() > 0) ?
                (Item*) new Item_field(Lex->current_context(), NullS, $2.str, $4.str) :
                (Item*) new Item_ref(Lex->current_context(), NullS, $2.str, $4.str);
          }
        | ident '.' ident '.' ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            SELECT_LEX *sel= lex->current_select;
            if (sel->no_table_names_allowed)
            {
              my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                       MYF(0), $3.str, thd->where);
            }
            $$= (sel->parsing_place != IN_HAVING ||
                sel->get_in_sum_expr() > 0) ?
                (Item*) new Item_field(Lex->current_context(),
                                       (YYTHD->client_capabilities &
                                       CLIENT_NO_SCHEMA ? NullS : $1.str),
                                       $3.str, $5.str) :
                (Item*) new Item_ref(Lex->current_context(),
                                     (YYTHD->client_capabilities &
                                     CLIENT_NO_SCHEMA ? NullS : $1.str),
                                     $3.str, $5.str);
          }
        ;
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10160 10161

field_ident:
10162 10163
          ident { $$=$1;}
        | ident '.' ident '.' ident
10164 10165 10166 10167
          {
            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
            if (my_strcasecmp(table_alias_charset, $1.str, table->db))
            {
10168
              my_error(ER_WRONG_DB_NAME, MYF(0), $1.str);
10169
              MYSQL_YYABORT;
10170
            }
10171 10172
            if (my_strcasecmp(table_alias_charset, $3.str,
                              table->table_name))
10173
            {
10174
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $3.str);
10175
              MYSQL_YYABORT;
10176 10177 10178
            }
            $$=$5;
          }
10179
        | ident '.' ident
10180 10181 10182 10183
          {
            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
            if (my_strcasecmp(table_alias_charset, $1.str, table->alias))
            {
10184
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $1.str);
10185
              MYSQL_YYABORT;
10186 10187 10188
            }
            $$=$3;
          }
10189 10190
        | '.' ident { $$=$2;} /* For Delphi */
        ;
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10191 10192

table_ident:
10193 10194 10195
          ident { $$=new Table_ident($1); }
        | ident '.' ident { $$=new Table_ident(YYTHD, $1,$3,0);}
        | '.' ident { $$=new Table_ident($2);} /* For Delphi */
10196 10197
        ;

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10198
table_ident_nodb:
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          ident
          {
            LEX_STRING db={(char*) any_db,3};
            $$=new Table_ident(YYTHD, db,$1,0);
          }
10204
        ;
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IDENT_sys:
10207 10208 10209 10210
          IDENT { $$= $1; }
        | IDENT_QUOTED
          {
            THD *thd= YYTHD;
10211

10212
            if (thd->charset_is_system_charset)
10213 10214
            {
              CHARSET_INFO *cs= system_charset_info;
10215
              int dummy_error;
10216 10217
              uint wlen= cs->cset->well_formed_len(cs, $1.str,
                                                   $1.str+$1.length,
10218
                                                   $1.length, &dummy_error);
10219 10220
              if (wlen < $1.length)
              {
10221 10222
                my_error(ER_INVALID_CHARACTER_STRING, MYF(0),
                         cs->csname, $1.str + wlen);
10223
                MYSQL_YYABORT;
10224
              }
10225
              $$= $1;
10226
            }
10227 10228 10229 10230 10231
            else
              thd->convert_string(&$$, system_charset_info,
                                  $1.str, $1.length, thd->charset());
          }
        ;
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TEXT_STRING_sys:
10234 10235 10236 10237 10238 10239 10240 10241 10242 10243 10244
          TEXT_STRING
          {
            THD *thd= YYTHD;

            if (thd->charset_is_system_charset)
              $$= $1;
            else
              thd->convert_string(&$$, system_charset_info,
                                  $1.str, $1.length, thd->charset());
          }
        ;
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10246
TEXT_STRING_literal:
10247 10248 10249
          TEXT_STRING
          {
            THD *thd= YYTHD;
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            if (thd->charset_is_collation_connection)
              $$= $1;
            else
              thd->convert_string(&$$, thd->variables.collation_connection,
                                  $1.str, $1.length, thd->charset());
          }
        ;
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TEXT_STRING_filesystem:
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          TEXT_STRING
          {
            THD *thd= YYTHD;

            if (thd->charset_is_character_set_filesystem)
              $$= $1;
            else
              thd->convert_string(&$$, thd->variables.character_set_filesystem,
                                  $1.str, $1.length, thd->charset());
          }
        ;
10271

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ident:
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          IDENT_sys    { $$=$1; }
        | READ_ONLY_SYM
          {
            THD *thd= YYTHD;
            $$.str= thd->strmake("read_only",9);
            $$.length= 9;
          }
        | keyword
          {
            THD *thd= YYTHD;
            $$.str= thd->strmake($1.str, $1.length);
            $$.length= $1.length;
          }
        ;
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label_ident:
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          IDENT_sys    { $$=$1; }
        | keyword_sp
          {
            THD *thd= YYTHD;
            $$.str= thd->strmake($1.str, $1.length);
            $$.length= $1.length;
          }
        ;
10297

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10298
ident_or_text:
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          ident           { $$=$1;}
        | TEXT_STRING_sys { $$=$1;}
        | LEX_HOSTNAME { $$=$1;}
        ;
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10303 10304

user:
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          ident_or_text
          {
            THD *thd= YYTHD;
            if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
              MYSQL_YYABORT;
            $$->user = $1;
            $$->host.str= (char *) "%";
            $$->host.length= 1;

            if (check_string_char_length(&$$->user, ER(ER_USERNAME),
                                         USERNAME_CHAR_LENGTH,
                                         system_charset_info, 0))
              MYSQL_YYABORT;
          }
        | ident_or_text '@' ident_or_text
          {
            THD *thd= YYTHD;
            if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
              MYSQL_YYABORT;
            $$->user = $1; $$->host=$3;
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10326
            if (check_string_char_length(&$$->user, ER(ER_USERNAME),
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                                         USERNAME_CHAR_LENGTH,
                                         system_charset_info, 0) ||
10329
                check_string_byte_length(&$$->host, ER(ER_HOSTNAME),
10330
                                         HOSTNAME_LENGTH))
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              MYSQL_YYABORT;
          }
        | CURRENT_USER optional_braces
          {
            if (!($$=(LEX_USER*) YYTHD->alloc(sizeof(st_lex_user))))
              MYSQL_YYABORT;
            /* 
              empty LEX_USER means current_user and 
              will be handled in the  get_current_user() function
              later
            */
            bzero($$, sizeof(LEX_USER));
          }
        ;
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10345

10346
/* Keyword that we allow for identifiers (except SP labels) */
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10347
keyword:
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          keyword_sp            {}
        | ASCII_SYM             {}
        | BACKUP_SYM            {}
        | BEGIN_SYM             {}
        | BYTE_SYM              {}
        | CACHE_SYM             {}
        | CHARSET               {}
        | CHECKSUM_SYM          {}
        | CLOSE_SYM             {}
        | COMMENT_SYM           {}
        | COMMIT_SYM            {}
        | CONTAINS_SYM          {}
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        | DEALLOCATE_SYM        {}
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        | DO_SYM                {}
        | END                   {}
        | EXECUTE_SYM           {}
        | FLUSH_SYM             {}
        | HANDLER_SYM           {}
        | HELP_SYM              {}
        | HOST_SYM              {}
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        | INSTALL_SYM           {}
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        | LANGUAGE_SYM          {}
        | NO_SYM                {}
        | OPEN_SYM              {}
        | OPTIONS_SYM           {}
        | OWNER_SYM             {}
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        | PARSER_SYM            {}
10375
        | PARTITION_SYM         {}
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        | PORT_SYM              {}
10377
        | PREPARE_SYM           {}
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        | REMOVE_SYM            {}
        | REPAIR                {}
        | RESET_SYM             {}
        | RESTORE_SYM           {}
        | ROLLBACK_SYM          {}
        | SAVEPOINT_SYM         {}
        | SECURITY_SYM          {}
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        | SERVER_SYM            {}
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        | SIGNED_SYM            {}
        | SOCKET_SYM            {}
        | SLAVE                 {}
10389
        | SONAME_SYM            {}
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        | START_SYM             {}
        | STOP_SYM              {}
        | TRUNCATE_SYM          {}
        | UNICODE_SYM           {}
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        | UNINSTALL_SYM         {}
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        | WRAPPER_SYM           {}
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        | XA_SYM                {}
10397
        | UPGRADE_SYM           {}
10398
        ;
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/*
 * Keywords that we allow for labels in SPs.
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10402 10403 10404
 * Anything that's the beginning of a statement or characteristics
 * must be in keyword above, otherwise we get (harmful) shift/reduce
 * conflicts.
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 */
keyword_sp:
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          ACTION                   {}
        | ADDDATE_SYM              {}
        | AFTER_SYM                {}
        | AGAINST                  {}
        | AGGREGATE_SYM            {}
        | ALGORITHM_SYM            {}
        | ANY_SYM                  {}
        | AT_SYM                   {}
        | AUTHORS_SYM              {}
        | AUTO_INC                 {}
        | AUTOEXTEND_SIZE_SYM      {}
        | AVG_ROW_LENGTH           {}
        | AVG_SYM                  {}
        | BINLOG_SYM               {}
        | BIT_SYM                  {}
        | BOOL_SYM                 {}
        | BOOLEAN_SYM              {}
        | BTREE_SYM                {}
        | CASCADED                 {}
        | CHAIN_SYM                {}
        | CHANGED                  {}
        | CIPHER_SYM               {}
        | CLIENT_SYM               {}
        | COALESCE                 {}
        | CODE_SYM                 {}
        | COLLATION_SYM            {}
        | COLUMNS                  {}
        | COMMITTED_SYM            {}
        | COMPACT_SYM              {}
        | COMPLETION_SYM           {}
        | COMPRESSED_SYM           {}
        | CONCURRENT               {}
        | CONNECTION_SYM           {}
        | CONSISTENT_SYM           {}
        | CONTRIBUTORS_SYM         {}
        | CUBE_SYM                 {}
        | DATA_SYM                 {}
        | DATAFILE_SYM             {}
        | DATETIME                 {}
        | DATE_SYM                 {}
        | DAY_SYM                  {}
        | DEFINER_SYM              {}
        | DELAY_KEY_WRITE_SYM      {}
        | DES_KEY_FILE             {}
        | DIRECTORY_SYM            {}
        | DISABLE_SYM              {}
        | DISCARD                  {}
        | DISK_SYM                 {}
        | DUMPFILE                 {}
        | DUPLICATE_SYM            {}
        | DYNAMIC_SYM              {}
        | ENDS_SYM                 {}
        | ENUM                     {}
        | ENGINE_SYM               {}
        | ENGINES_SYM              {}
        | ERRORS                   {}
        | ESCAPE_SYM               {}
        | EVENT_SYM                {}
        | EVENTS_SYM               {}
        | EVERY_SYM                {}
        | EXPANSION_SYM            {}
        | EXTENDED_SYM             {}
        | EXTENT_SIZE_SYM          {}
        | FAST_SYM                 {}
        | FOUND_SYM                {}
        | ENABLE_SYM               {}
        | FULL                     {}
        | FILE_SYM                 {}
        | FIRST_SYM                {}
        | FIXED_SYM                {}
        | FRAC_SECOND_SYM          {}
        | GEOMETRY_SYM             {}
        | GEOMETRYCOLLECTION       {}
        | GET_FORMAT               {}
        | GRANTS                   {}
        | GLOBAL_SYM               {}
        | HASH_SYM                 {}
        | HOSTS_SYM                {}
        | HOUR_SYM                 {}
        | IDENTIFIED_SYM           {}
        | INVOKER_SYM              {}
        | IMPORT                   {}
        | INDEXES                  {}
        | INITIAL_SIZE_SYM         {}
        | ISOLATION                {}
        | ISSUER_SYM               {}
        | INNOBASE_SYM             {}
        | INSERT_METHOD            {}
        | KEY_BLOCK_SIZE           {}
        | LAST_SYM                 {}
        | LEAVES                   {}
        | LESS_SYM                 {}
        | LEVEL_SYM                {}
        | LINESTRING               {}
        | LIST_SYM                 {}
        | LOCAL_SYM                {}
        | LOCKS_SYM                {}
        | LOGFILE_SYM              {}
        | LOGS_SYM                 {}
        | MAX_ROWS                 {}
        | MASTER_SYM               {}
        | MASTER_HOST_SYM          {}
        | MASTER_PORT_SYM          {}
        | MASTER_LOG_FILE_SYM      {}
        | MASTER_LOG_POS_SYM       {}
        | MASTER_USER_SYM          {}
        | MASTER_PASSWORD_SYM      {}
        | MASTER_SERVER_ID_SYM     {}
        | MASTER_CONNECT_RETRY_SYM {}
        | MASTER_SSL_SYM           {}
        | MASTER_SSL_CA_SYM        {}
        | MASTER_SSL_CAPATH_SYM    {}
        | MASTER_SSL_CERT_SYM      {}
        | MASTER_SSL_CIPHER_SYM    {}
        | MASTER_SSL_KEY_SYM       {}
        | MAX_CONNECTIONS_PER_HOUR {}
        | MAX_QUERIES_PER_HOUR     {}
        | MAX_SIZE_SYM             {}
        | MAX_UPDATES_PER_HOUR     {}
        | MAX_USER_CONNECTIONS_SYM {}
        | MAX_VALUE_SYM            {}
        | MEDIUM_SYM               {}
        | MEMORY_SYM               {}
        | MERGE_SYM                {}
        | MICROSECOND_SYM          {}
        | MIGRATE_SYM              {}
        | MINUTE_SYM               {}
        | MIN_ROWS                 {}
        | MODIFY_SYM               {}
        | MODE_SYM                 {}
        | MONTH_SYM                {}
        | MULTILINESTRING          {}
        | MULTIPOINT               {}
        | MULTIPOLYGON             {}
        | MUTEX_SYM                {}
        | NAME_SYM                 {}
        | NAMES_SYM                {}
        | NATIONAL_SYM             {}
        | NCHAR_SYM                {}
        | NDBCLUSTER_SYM           {}
        | NEXT_SYM                 {}
        | NEW_SYM                  {}
        | NO_WAIT_SYM              {}
        | NODEGROUP_SYM            {}
        | NONE_SYM                 {}
        | NVARCHAR_SYM             {}
        | OFFSET_SYM               {}
        | OLD_PASSWORD             {}
        | ONE_SHOT_SYM             {}
        | ONE_SYM                  {}
        | PACK_KEYS_SYM            {}
10558
        | PAGE_SYM                 {}
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        | PARTIAL                  {}
        | PARTITIONING_SYM         {}
        | PARTITIONS_SYM           {}
        | PASSWORD                 {}
        | PHASE_SYM                {}
        | PLUGIN_SYM               {}
        | PLUGINS_SYM              {}
        | POINT_SYM                {}
        | POLYGON                  {}
        | PRESERVE_SYM             {}
        | PREV_SYM                 {}
        | PRIVILEGES               {}
        | PROCESS                  {}
        | PROCESSLIST_SYM          {}
        | QUARTER_SYM              {}
        | QUERY_SYM                {}
        | QUICK                    {}
        | REBUILD_SYM              {}
        | RECOVER_SYM              {}
        | REDO_BUFFER_SIZE_SYM     {}
        | REDOFILE_SYM             {}
        | REDUNDANT_SYM            {}
        | RELAY_LOG_FILE_SYM       {}
        | RELAY_LOG_POS_SYM        {}
        | RELAY_THREAD             {}
        | RELOAD                   {}
        | REORGANIZE_SYM           {}
        | REPEATABLE_SYM           {}
        | REPLICATION              {}
        | RESOURCES                {}
        | RESUME_SYM               {}
        | RETURNS_SYM              {}
        | ROLLUP_SYM               {}
        | ROUTINE_SYM              {}
        | ROWS_SYM                 {}
        | ROW_FORMAT_SYM           {}
        | ROW_SYM                  {}
        | RTREE_SYM                {}
        | SCHEDULE_SYM             {}
        | SECOND_SYM               {}
        | SERIAL_SYM               {}
        | SERIALIZABLE_SYM         {}
        | SESSION_SYM              {}
        | SIMPLE_SYM               {}
        | SHARE_SYM                {}
        | SHUTDOWN                 {}
        | SNAPSHOT_SYM             {}
        | SOUNDS_SYM               {}
        | SQL_CACHE_SYM            {}
        | SQL_BUFFER_RESULT        {}
        | SQL_NO_CACHE_SYM         {}
        | SQL_THREAD               {}
        | STARTS_SYM               {}
        | STATUS_SYM               {}
        | STORAGE_SYM              {}
        | STRING_SYM               {}
        | SUBDATE_SYM              {}
        | SUBJECT_SYM              {}
        | SUBPARTITION_SYM         {}
        | SUBPARTITIONS_SYM        {}
        | SUPER_SYM                {}
        | SUSPEND_SYM              {}
        | TABLES                   {}
        | TABLESPACE               {}
        | TEMPORARY                {}
        | TEMPTABLE_SYM            {}
        | TEXT_SYM                 {}
        | THAN_SYM                 {}
        | TRANSACTION_SYM          {}
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 	| TRANSACTIONAL_SYM        {}
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        | TRIGGERS_SYM             {}
        | TIMESTAMP                {}
        | TIMESTAMP_ADD            {}
        | TIMESTAMP_DIFF           {}
        | TIME_SYM                 {}
        | TYPES_SYM                {}
        | TYPE_SYM                 {}
        | UDF_RETURNS_SYM          {}
        | FUNCTION_SYM             {}
        | UNCOMMITTED_SYM          {}
        | UNDEFINED_SYM            {}
        | UNDO_BUFFER_SIZE_SYM     {}
        | UNDOFILE_SYM             {}
        | UNKNOWN_SYM              {}
        | UNTIL_SYM                {}
        | USER                     {}
        | USE_FRM                  {}
        | VARIABLES                {}
        | VIEW_SYM                 {}
        | VALUE_SYM                {}
        | WARNINGS                 {}
        | WAIT_SYM                 {}
        | WEEK_SYM                 {}
        | WORK_SYM                 {}
        | X509_SYM                 {}
        | YEAR_SYM                 {}
        ;
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10656 10657 10658 10659

/* Option functions */

set:
10660 10661 10662 10663 10664 10665 10666 10667 10668 10669 10670 10671
          SET opt_option
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SET_OPTION;
            mysql_init_select(lex);
            lex->option_type=OPT_SESSION;
            lex->var_list.empty();
            lex->one_shot_set= 0;
          }
          option_value_list
          {}
        ;
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opt_option:
10674 10675 10676
          /* empty */ {}
        | OPTION {}
        ;
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10677 10678

option_value_list:
10679 10680 10681
          option_type_value
        | option_value_list ',' option_type_value
        ;
10682 10683 10684

option_type_value:
          {
10685 10686 10687
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
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10688

10689 10690
            if (lex->sphead)
            {
10691
              /*
10692 10693 10694 10695 10696 10697 10698 10699
                If we are in SP we want have own LEX for each assignment.
                This is mostly because it is hard for several sp_instr_set
                and sp_instr_set_trigger instructions share one LEX.
                (Well, it is theoretically possible but adds some extra
                overhead on preparation for execution stage and IMO less
                robust).

                QQ: May be we should simply prohibit group assignments in SP?
10700
              */
10701 10702 10703 10704 10705 10706 10707 10708 10709 10710 10711 10712 10713 10714 10715 10716 10717
              lex->sphead->reset_lex(thd);
              lex= thd->lex;

              /* Set new LEX as if we at start of set rule. */
              lex->sql_command= SQLCOM_SET_OPTION;
              mysql_init_select(lex);
              lex->option_type=OPT_SESSION;
              lex->var_list.empty();
              lex->one_shot_set= 0;
              lex->sphead->m_tmp_query= lip->get_tok_start();
            }
          }
          ext_option_value
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
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10719 10720 10721
            if (lex->sphead)
            {
              sp_head *sp= lex->sphead;
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              if (!lex->var_list.is_empty())
              {
                /*
                  We have assignment to user or system variable or
                  option setting, so we should construct sp_instr_stmt
                  for it.
                */
                LEX_STRING qbuff;
                sp_instr_stmt *i;

                if (!(i= new sp_instr_stmt(sp->instructions(), lex->spcont,
                                           lex)))
                  MYSQL_YYABORT;
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                /*
                  Extract the query statement from the tokenizer.  The
                  end is either lip->ptr, if there was no lookahead,
                  lip->tok_end otherwise.
                */
                if (yychar == YYEMPTY)
                  qbuff.length= lip->get_ptr() - sp->m_tmp_query;
                else
                  qbuff.length= lip->get_tok_end() - sp->m_tmp_query;

                if (!(qbuff.str= (char*) alloc_root(thd->mem_root,
                                                    qbuff.length + 5)))
                  MYSQL_YYABORT;
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10750

10751 10752 10753 10754 10755 10756 10757
                strmake(strmake(qbuff.str, "SET ", 4), sp->m_tmp_query,
                        qbuff.length);
                qbuff.length+= 4;
                i->m_query= qbuff;
                sp->add_instr(i);
              }
              lex->sphead->restore_lex(thd);
10758 10759
            }
          }
10760
        ;
10761 10762

option_type:
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          option_type2    {}
        | GLOBAL_SYM  { $$=OPT_GLOBAL; }
        | LOCAL_SYM   { $$=OPT_SESSION; }
        | SESSION_SYM { $$=OPT_SESSION; }
        ;
10768 10769

option_type2:
10770 10771 10772
          /* empty */ { $$= OPT_DEFAULT; }
        | ONE_SHOT_SYM { Lex->one_shot_set= 1; $$= OPT_SESSION; }
        ;
10773 10774

opt_var_type:
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          /* empty */ { $$=OPT_SESSION; }
        | GLOBAL_SYM  { $$=OPT_GLOBAL; }
        | LOCAL_SYM   { $$=OPT_SESSION; }
        | SESSION_SYM { $$=OPT_SESSION; }
        ;
10780 10781

opt_var_ident_type:
10782 10783 10784 10785 10786
          /* empty */     { $$=OPT_DEFAULT; }
        | GLOBAL_SYM '.'  { $$=OPT_GLOBAL; }
        | LOCAL_SYM '.'   { $$=OPT_SESSION; }
        | SESSION_SYM '.' { $$=OPT_SESSION; }
        ;
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10788
ext_option_value:
10789 10790 10791
          sys_option_value
        | option_type2 option_value
        ;
10792

10793
sys_option_value:
10794
          option_type internal_variable_name equal set_expr_or_default
10795
          {
10796 10797 10798
            LEX *lex=Lex;

            if ($2.var == trg_new_row_fake_var)
10799
            {
10800 10801 10802 10803 10804 10805 10806 10807 10808 10809 10810 10811 10812 10813 10814 10815 10816 10817 10818 10819 10820 10821 10822 10823 10824 10825 10826 10827 10828 10829 10830 10831 10832 10833 10834 10835 10836 10837 10838 10839 10840 10841 10842 10843 10844 10845 10846 10847
              /* We are in trigger and assigning value to field of new row */
              Item *it;
              Item_trigger_field *trg_fld;
              sp_instr_set_trigger_field *sp_fld;
              LINT_INIT(sp_fld);
              if ($1)
              {
                my_parse_error(ER(ER_SYNTAX_ERROR));
                MYSQL_YYABORT;
              }
              if ($4)
                it= $4;
              else
              {
                /* QQ: Shouldn't this be field's default value ? */
                it= new Item_null();
              }

              DBUG_ASSERT(lex->trg_chistics.action_time == TRG_ACTION_BEFORE &&
                          (lex->trg_chistics.event == TRG_EVENT_INSERT ||
                           lex->trg_chistics.event == TRG_EVENT_UPDATE));
              if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
                                                    Item_trigger_field::NEW_ROW,
                                                    $2.base_name.str,
                                                    UPDATE_ACL, FALSE)) ||
                  !(sp_fld= new sp_instr_set_trigger_field(lex->sphead->
                                                           instructions(),
                                                           lex->spcont,
                                                           trg_fld,
                                                           it, lex)))
                MYSQL_YYABORT;

              /*
                Let us add this item to list of all Item_trigger_field
                objects in trigger.
              */
              lex->trg_table_fields.link_in_list((uchar *)trg_fld,
                                                 (uchar **) &trg_fld->
                                                   next_trg_field);

              lex->sphead->add_instr(sp_fld);
            }
            else if ($2.var)
            { /* System variable */
              if ($1)
                lex->option_type= $1;
              lex->var_list.push_back(new set_var(lex->option_type, $2.var,
                                      &$2.base_name, $4));
10848 10849
            }
            else
10850
            {
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              /* An SP local variable */
              sp_pcontext *ctx= lex->spcont;
              sp_variable_t *spv;
              sp_instr_set *sp_set;
              Item *it;
              if ($1)
              {
                my_parse_error(ER(ER_SYNTAX_ERROR));
                MYSQL_YYABORT;
              }
10861

10862
              spv= ctx->find_variable(&$2.base_name);
10863

10864 10865 10866 10867 10868 10869 10870 10871 10872 10873
              if ($4)
                it= $4;
              else if (spv->dflt)
                it= spv->dflt;
              else
                it= new Item_null();
              sp_set= new sp_instr_set(lex->sphead->instructions(), ctx,
                                       spv->offset, it, spv->type, lex, TRUE);
              lex->sphead->add_instr(sp_set);
            }
10874
          }
10875 10876 10877 10878 10879 10880 10881 10882
        | option_type TRANSACTION_SYM ISOLATION LEVEL_SYM isolation_types
          {
            LEX *lex=Lex;
            lex->option_type= $1;
            lex->var_list.push_back(new set_var(lex->option_type,
                                                find_sys_var(YYTHD, "tx_isolation"),
                                                &null_lex_str,
                                                new Item_int((int32) $5)));
10883
          }
10884 10885 10886 10887
        ;

option_value:
          '@' ident_or_text equal expr
10888
          {
10889 10890 10891 10892 10893 10894 10895 10896 10897 10898 10899 10900 10901
            Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
          }
        | '@' '@' opt_var_ident_type internal_variable_name equal set_expr_or_default
          {
            LEX *lex=Lex;
            lex->var_list.push_back(new set_var($3, $4.var, &$4.base_name, $6));
          }
        | charset old_or_new_charset_name_or_default
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            $2= $2 ? $2: global_system_variables.character_set_client;
            lex->var_list.push_back(new set_var_collation_client($2,thd->variables.collation_database,$2));
10902
          }
10903
        | NAMES_SYM equal expr
10904 10905
          {
            LEX *lex= Lex;
10906
            sp_pcontext *spc= lex->spcont;
10907
            LEX_STRING names;
10908

10909 10910 10911
            names.str= (char *)"names";
            names.length= 5;
            if (spc && spc->find_variable(&names))
10912
              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), names.str);
10913
            else
10914
              my_parse_error(ER(ER_SYNTAX_ERROR));
10915

10916 10917 10918 10919 10920 10921 10922 10923 10924 10925 10926 10927 10928 10929 10930 10931 10932 10933 10934 10935
            MYSQL_YYABORT;
          }
        | NAMES_SYM charset_name_or_default opt_collate
          {
            LEX *lex= Lex;
            $2= $2 ? $2 : global_system_variables.character_set_client;
            $3= $3 ? $3 : $2;
            if (!my_charset_same($2,$3))
            {
              my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $3->name, $2->csname);
              MYSQL_YYABORT;
            }
            lex->var_list.push_back(new set_var_collation_client($3,$3,$3));
          }
        | PASSWORD equal text_or_password
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            LEX_USER *user;
10936
            sp_pcontext *spc= lex->spcont;
10937
            LEX_STRING pw;
10938

10939 10940 10941 10942
            pw.str= (char *)"password";
            pw.length= 8;
            if (spc && spc->find_variable(&pw))
            {
10943
              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), pw.str);
10944 10945 10946 10947 10948 10949 10950 10951 10952 10953 10954 10955 10956
              MYSQL_YYABORT;
            }
            if (!(user=(LEX_USER*) thd->alloc(sizeof(LEX_USER))))
              MYSQL_YYABORT;
            user->host=null_lex_str;
            user->user.str=thd->security_ctx->priv_user;
            thd->lex->var_list.push_back(new set_var_password(user, $3));
          }
        | PASSWORD FOR_SYM user equal text_or_password
          {
            Lex->var_list.push_back(new set_var_password($3,$5));
          }
        ;
10957

10958
internal_variable_name:
10959 10960 10961 10962 10963 10964 10965 10966 10967
          ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            sp_pcontext *spc= lex->spcont;
            sp_variable_t *spv;

            /* We have to lookup here since local vars can shadow sysvars */
            if (!spc || !(spv = spc->find_variable(&$1)))
10968
            {
10969 10970 10971 10972 10973 10974 10975 10976 10977 10978 10979 10980 10981 10982
              /* Not an SP local variable */
              sys_var *tmp=find_sys_var(thd, $1.str, $1.length);
              if (!tmp)
                MYSQL_YYABORT;
              $$.var= tmp;
              $$.base_name= null_lex_str;
              if (spc && tmp == &sys_autocommit)
              {
                /*
                  We don't allow setting AUTOCOMMIT from a stored function
                  or trigger.
                */
                lex->sphead->m_flags|= sp_head::HAS_SET_AUTOCOMMIT_STMT;
              }
10983
            }
10984 10985 10986 10987 10988 10989 10990 10991 10992
            else
            {
              /* An SP local variable */
              $$.var= NULL;
              $$.base_name= $1;
            }
          }
        | ident '.' ident
          {
10993
            LEX *lex= Lex;
10994 10995
            if (check_reserved_words(&$1))
            {
10996 10997
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
10998
            }
10999 11000 11001 11002 11003 11004
            if (lex->sphead && lex->sphead->m_type == TYPE_ENUM_TRIGGER &&
                (!my_strcasecmp(system_charset_info, $1.str, "NEW") || 
                 !my_strcasecmp(system_charset_info, $1.str, "OLD")))
            {
              if ($1.str[0]=='O' || $1.str[0]=='o')
              {
11005
                my_error(ER_TRG_CANT_CHANGE_ROW, MYF(0), "OLD", "");
11006
                MYSQL_YYABORT;
11007 11008 11009
              }
              if (lex->trg_chistics.event == TRG_EVENT_DELETE)
              {
11010 11011
                my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0),
                         "NEW", "on DELETE");
11012
                MYSQL_YYABORT;
11013 11014 11015
              }
              if (lex->trg_chistics.action_time == TRG_ACTION_AFTER)
              {
11016
                my_error(ER_TRG_CANT_CHANGE_ROW, MYF(0), "NEW", "after ");
11017
                MYSQL_YYABORT;
11018 11019
              }
              /* This special combination will denote field of NEW row */
11020
              $$.var= trg_new_row_fake_var;
11021 11022 11023 11024
              $$.base_name= $3;
            }
            else
            {
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11025
              sys_var *tmp=find_sys_var(YYTHD, $3.str, $3.length);
11026
              if (!tmp)
11027
                MYSQL_YYABORT;
11028
              if (!tmp->is_struct())
11029
                my_error(ER_VARIABLE_IS_NOT_STRUCT, MYF(0), $3.str);
11030 11031 11032
              $$.var= tmp;
              $$.base_name= $1;
            }
11033 11034 11035 11036 11037 11038 11039 11040 11041 11042 11043 11044
          }
        | DEFAULT '.' ident
          {
            sys_var *tmp=find_sys_var(YYTHD, $3.str, $3.length);
            if (!tmp)
              MYSQL_YYABORT;
            if (!tmp->is_struct())
              my_error(ER_VARIABLE_IS_NOT_STRUCT, MYF(0), $3.str);
            $$.var= tmp;
            $$.base_name.str=    (char*) "default";
            $$.base_name.length= 7;
          }
11045
        ;
11046 11047

isolation_types:
11048 11049 11050 11051 11052
          READ_SYM UNCOMMITTED_SYM { $$= ISO_READ_UNCOMMITTED; }
        | READ_SYM COMMITTED_SYM   { $$= ISO_READ_COMMITTED; }
        | REPEATABLE_SYM READ_SYM  { $$= ISO_REPEATABLE_READ; }
        | SERIALIZABLE_SYM         { $$= ISO_SERIALIZABLE; }
        ;
11053

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11054
text_or_password:
11055 11056 11057 11058 11059 11060 11061 11062 11063 11064 11065 11066 11067 11068
          TEXT_STRING { $$=$1.str;}
        | PASSWORD '(' TEXT_STRING ')'
          {
            $$= $3.length ? YYTHD->variables.old_passwords ?
              Item_func_old_password::alloc(YYTHD, $3.str) :
              Item_func_password::alloc(YYTHD, $3.str) :
              $3.str;
          }
        | OLD_PASSWORD '(' TEXT_STRING ')'
          {
            $$= $3.length ? Item_func_old_password::alloc(YYTHD, $3.str) :
              $3.str;
          }
        ;
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11069

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11070

11071
set_expr_or_default:
11072 11073 11074 11075 11076 11077
          expr { $$=$1; }
        | DEFAULT { $$=0; }
        | ON     { $$=new Item_string("ON",  2, system_charset_info); }
        | ALL    { $$=new Item_string("ALL", 3, system_charset_info); }
        | BINARY { $$=new Item_string("binary", 6, system_charset_info); }
        ;
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11078

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11079 11080 11081
/* Lock function */

lock:
11082 11083 11084
          LOCK_SYM table_or_tables
          {
            LEX *lex= Lex;
11085

11086 11087 11088 11089 11090 11091 11092 11093 11094 11095
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "LOCK");
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_LOCK_TABLES;
          }
          table_lock_list
          {}
        ;
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11096 11097

table_or_tables:
11098 11099 11100
          TABLE_SYM
        | TABLES
        ;
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11101 11102

table_lock_list:
11103 11104 11105
          table_lock
        | table_lock_list ',' table_lock
        ;
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11106 11107

table_lock:
11108 11109 11110 11111 11112
          table_ident opt_table_alias lock_option
          {
            if (!Select->add_table_to_list(YYTHD, $1, $2, 0, (thr_lock_type) $3))
              MYSQL_YYABORT;
          }
11113
        ;
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11114 11115

lock_option:
11116 11117 11118 11119
          READ_SYM               { $$= TL_READ_NO_INSERT; }
        | WRITE_SYM              { $$= TL_WRITE_DEFAULT; }
        | LOW_PRIORITY WRITE_SYM { $$= TL_WRITE_LOW_PRIORITY; }
        | READ_SYM LOCAL_SYM     { $$= TL_READ; }
11120
        ;
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11121 11122

unlock:
11123 11124 11125
          UNLOCK_SYM
          {
            LEX *lex= Lex;
11126

11127 11128 11129 11130 11131 11132 11133 11134 11135
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "UNLOCK");
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_UNLOCK_TABLES;
          }
          table_or_tables
          {}
11136
        ;
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11137

11138
/*
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11139
** Handler: direct access to ISAM functions
11140 11141 11142
*/

handler:
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          HANDLER_SYM table_ident OPEN_SYM opt_table_alias
          {
            LEX *lex= Lex;
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
              MYSQL_YYABORT;
            }
            lex->sql_command = SQLCOM_HA_OPEN;
            if (!lex->current_select->add_table_to_list(lex->thd, $2, $4, 0))
              MYSQL_YYABORT;
          }
        | HANDLER_SYM table_ident_nodb CLOSE_SYM
          {
            LEX *lex= Lex;
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
              MYSQL_YYABORT;
            }
            lex->sql_command = SQLCOM_HA_CLOSE;
            if (!lex->current_select->add_table_to_list(lex->thd, $2, 0, 0))
              MYSQL_YYABORT;
          }
        | HANDLER_SYM table_ident_nodb READ_SYM
          {
            LEX *lex=Lex;
            if (lex->sphead)
            {
              my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
              MYSQL_YYABORT;
            }
            lex->expr_allows_subselect= FALSE;
            lex->sql_command = SQLCOM_HA_READ;
            lex->ha_rkey_mode= HA_READ_KEY_EXACT; /* Avoid purify warnings */
            lex->current_select->select_limit= new Item_int((int32) 1);
            lex->current_select->offset_limit= 0;
            if (!lex->current_select->add_table_to_list(lex->thd, $2, 0, 0))
              MYSQL_YYABORT;
          }
          handler_read_or_scan where_clause opt_limit_clause
          {
            Lex->expr_allows_subselect= TRUE;
          }
11187
        ;
11188

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11189
handler_read_or_scan:
11190
          handler_scan_function       { Lex->ident= null_lex_str; }
11191
        | ident handler_rkey_function { Lex->ident= $1; }
11192
        ;
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11193 11194

handler_scan_function:
11195 11196
          FIRST_SYM { Lex->ha_read_mode = RFIRST; }
        | NEXT_SYM  { Lex->ha_read_mode = RNEXT;  }
11197
        ;
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11198 11199

handler_rkey_function:
11200 11201 11202 11203 11204 11205 11206 11207 11208 11209 11210 11211 11212 11213
          FIRST_SYM { Lex->ha_read_mode = RFIRST; }
        | NEXT_SYM  { Lex->ha_read_mode = RNEXT;  }
        | PREV_SYM  { Lex->ha_read_mode = RPREV;  }
        | LAST_SYM  { Lex->ha_read_mode = RLAST;  }
        | handler_rkey_mode
          {
            LEX *lex=Lex;
            lex->ha_read_mode = RKEY;
            lex->ha_rkey_mode=$1;
            if (!(lex->insert_list = new List_item))
              MYSQL_YYABORT;
          }
          '(' values ')'
          {}
11214
        ;
11215 11216

handler_rkey_mode:
11217 11218 11219 11220 11221
          EQ     { $$=HA_READ_KEY_EXACT;   }
        | GE     { $$=HA_READ_KEY_OR_NEXT; }
        | LE     { $$=HA_READ_KEY_OR_PREV; }
        | GT_SYM { $$=HA_READ_AFTER_KEY;   }
        | LT     { $$=HA_READ_BEFORE_KEY;  }
11222
        ;
11223

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11224 11225 11226
/* GRANT / REVOKE */

revoke:
11227 11228
          REVOKE clear_privileges revoke_command
          {}
11229 11230 11231
        ;

revoke_command:
11232
          grant_privileges ON opt_table grant_ident FROM grant_list
11233
          {
11234 11235 11236 11237 11238
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_REVOKE;
            lex->type= 0;
          }
        | grant_privileges ON FUNCTION_SYM grant_ident FROM grant_list
11239
          {
11240 11241 11242 11243 11244 11245 11246 11247 11248 11249 11250 11251 11252 11253 11254 11255 11256 11257 11258 11259 11260 11261 11262 11263 11264
            LEX *lex= Lex;
            if (lex->columns.elements)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_REVOKE;
            lex->type= TYPE_ENUM_FUNCTION;
          }
        | grant_privileges ON PROCEDURE grant_ident FROM grant_list
          {
            LEX *lex= Lex;
            if (lex->columns.elements)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_REVOKE;
            lex->type= TYPE_ENUM_PROCEDURE;
          }
        | ALL opt_privileges ',' GRANT OPTION FROM grant_list
          {
            Lex->sql_command = SQLCOM_REVOKE_ALL;
          }
        ;
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11265 11266

grant:
11267 11268
          GRANT clear_privileges grant_command
          {}
11269 11270 11271
        ;

grant_command:
11272 11273
          grant_privileges ON opt_table grant_ident TO_SYM grant_list
          require_clause grant_options
11274
          {
11275 11276 11277 11278 11279 11280
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_GRANT;
            lex->type= 0;
          }
        | grant_privileges ON FUNCTION_SYM grant_ident TO_SYM grant_list
          require_clause grant_options
11281
          {
11282 11283 11284 11285 11286 11287 11288 11289 11290 11291 11292 11293 11294 11295 11296 11297 11298 11299 11300 11301
            LEX *lex= Lex;
            if (lex->columns.elements)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_GRANT;
            lex->type= TYPE_ENUM_FUNCTION;
          }
        | grant_privileges ON PROCEDURE grant_ident TO_SYM grant_list
          require_clause grant_options
          {
            LEX *lex= Lex;
            if (lex->columns.elements)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            lex->sql_command= SQLCOM_GRANT;
            lex->type= TYPE_ENUM_PROCEDURE;
11302 11303
          }
        ;
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11304

11305
opt_table:
11306 11307 11308 11309
          /* Empty */
        | TABLE_SYM
        ;

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11310
grant_privileges:
11311 11312 11313 11314 11315 11316
          object_privilege_list {}
        | ALL opt_privileges
          { 
            Lex->all_privileges= 1; 
            Lex->grant= GLOBAL_ACLS;
          }
11317
        ;
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11318

11319
opt_privileges:
11320 11321 11322
          /* empty */
        | PRIVILEGES
        ;
11323

11324
object_privilege_list:
11325 11326 11327
          object_privilege
        | object_privilege_list ',' object_privilege
        ;
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11328

11329
object_privilege:
11330 11331 11332 11333 11334 11335 11336 11337 11338 11339 11340 11341 11342 11343 11344 11345 11346 11347 11348 11349 11350 11351 11352 11353 11354 11355 11356 11357 11358 11359 11360 11361 11362 11363 11364 11365 11366 11367
          SELECT_SYM
          { Lex->which_columns = SELECT_ACL;}
          opt_column_list {}
        | INSERT
          { Lex->which_columns = INSERT_ACL;}
          opt_column_list {}
        | UPDATE_SYM
          { Lex->which_columns = UPDATE_ACL; }
          opt_column_list {}
        | REFERENCES
          { Lex->which_columns = REFERENCES_ACL;}
          opt_column_list {}
        | DELETE_SYM              { Lex->grant |= DELETE_ACL;}
        | USAGE                   {}
        | INDEX_SYM               { Lex->grant |= INDEX_ACL;}
        | ALTER                   { Lex->grant |= ALTER_ACL;}
        | CREATE                  { Lex->grant |= CREATE_ACL;}
        | DROP                    { Lex->grant |= DROP_ACL;}
        | EXECUTE_SYM             { Lex->grant |= EXECUTE_ACL;}
        | RELOAD                  { Lex->grant |= RELOAD_ACL;}
        | SHUTDOWN                { Lex->grant |= SHUTDOWN_ACL;}
        | PROCESS                 { Lex->grant |= PROCESS_ACL;}
        | FILE_SYM                { Lex->grant |= FILE_ACL;}
        | GRANT OPTION            { Lex->grant |= GRANT_ACL;}
        | SHOW DATABASES          { Lex->grant |= SHOW_DB_ACL;}
        | SUPER_SYM               { Lex->grant |= SUPER_ACL;}
        | CREATE TEMPORARY TABLES { Lex->grant |= CREATE_TMP_ACL;}
        | LOCK_SYM TABLES         { Lex->grant |= LOCK_TABLES_ACL; }
        | REPLICATION SLAVE       { Lex->grant |= REPL_SLAVE_ACL; }
        | REPLICATION CLIENT_SYM  { Lex->grant |= REPL_CLIENT_ACL; }
        | CREATE VIEW_SYM         { Lex->grant |= CREATE_VIEW_ACL; }
        | SHOW VIEW_SYM           { Lex->grant |= SHOW_VIEW_ACL; }
        | CREATE ROUTINE_SYM      { Lex->grant |= CREATE_PROC_ACL; }
        | ALTER ROUTINE_SYM       { Lex->grant |= ALTER_PROC_ACL; }
        | CREATE USER             { Lex->grant |= CREATE_USER_ACL; }
        | EVENT_SYM               { Lex->grant |= EVENT_ACL;}
        | TRIGGER_SYM             { Lex->grant |= TRIGGER_ACL; }
        ;
11368

11369
opt_and:
11370 11371 11372
          /* empty */ {}
        | AND_SYM {}
        ;
11373 11374

require_list:
11375 11376 11377
          require_list_element opt_and require_list
        | require_list_element
        ;
11378 11379

require_list_element:
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          SUBJECT_SYM TEXT_STRING
          {
            LEX *lex=Lex;
            if (lex->x509_subject)
            {
              my_error(ER_DUP_ARGUMENT, MYF(0), "SUBJECT");
              MYSQL_YYABORT;
            }
            lex->x509_subject=$2.str;
          }
        | ISSUER_SYM TEXT_STRING
          {
            LEX *lex=Lex;
            if (lex->x509_issuer)
            {
              my_error(ER_DUP_ARGUMENT, MYF(0), "ISSUER");
              MYSQL_YYABORT;
            }
            lex->x509_issuer=$2.str;
          }
        | CIPHER_SYM TEXT_STRING
          {
            LEX *lex=Lex;
            if (lex->ssl_cipher)
            {
              my_error(ER_DUP_ARGUMENT, MYF(0), "CIPHER");
              MYSQL_YYABORT;
            }
            lex->ssl_cipher=$2.str;
          }
        ;
11411

11412
grant_ident:
11413 11414 11415
          '*'
          {
            LEX *lex= Lex;
11416
            size_t dummy;
11417
            if (lex->copy_db_to(&lex->current_select->db, &dummy))
11418
              MYSQL_YYABORT;
11419 11420 11421 11422 11423
            if (lex->grant == GLOBAL_ACLS)
              lex->grant = DB_ACLS & ~GRANT_ACL;
            else if (lex->columns.elements)
            {
              my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
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11424
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
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              MYSQL_YYABORT;
            }
          }
        | ident '.' '*'
          {
            LEX *lex= Lex;
            lex->current_select->db = $1.str;
            if (lex->grant == GLOBAL_ACLS)
              lex->grant = DB_ACLS & ~GRANT_ACL;
            else if (lex->columns.elements)
            {
              my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
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11437
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
11438 11439 11440 11441 11442 11443 11444 11445 11446 11447 11448 11449
              MYSQL_YYABORT;
            }
          }
        | '*' '.' '*'
          {
            LEX *lex= Lex;
            lex->current_select->db = NULL;
            if (lex->grant == GLOBAL_ACLS)
              lex->grant= GLOBAL_ACLS & ~GRANT_ACL;
            else if (lex->columns.elements)
            {
              my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
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11450
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
11451 11452 11453 11454 11455 11456 11457
              MYSQL_YYABORT;
            }
          }
        | table_ident
          {
            LEX *lex=Lex;
            if (!lex->current_select->add_table_to_list(lex->thd, $1,NULL,
11458
                                                        TL_OPTION_UPDATING))
11459 11460 11461 11462 11463
              MYSQL_YYABORT;
            if (lex->grant == GLOBAL_ACLS)
              lex->grant =  TABLE_ACLS & ~GRANT_ACL;
          }
        ;
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11464 11465

user_list:
11466 11467 11468 11469 11470 11471 11472 11473 11474 11475 11476
          user
          {
            if (Lex->users_list.push_back($1))
              MYSQL_YYABORT;
          }
        | user_list ',' user
          {
            if (Lex->users_list.push_back($3))
              MYSQL_YYABORT;
          }
        ;
11477 11478

grant_list:
11479 11480 11481 11482 11483 11484 11485 11486 11487 11488 11489
          grant_user
          {
            if (Lex->users_list.push_back($1))
              MYSQL_YYABORT;
          }
        | grant_list ',' grant_user
          {
            if (Lex->users_list.push_back($3))
              MYSQL_YYABORT;
          }
        ;
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11490 11491

grant_user:
11492 11493 11494 11495 11496 11497 11498 11499 11500 11501 11502 11503 11504 11505 11506 11507 11508 11509 11510 11511 11512 11513 11514 11515 11516 11517 11518 11519 11520
          user IDENTIFIED_SYM BY TEXT_STRING
          {
            $$=$1; $1->password=$4;
            if ($4.length)
            {
              if (YYTHD->variables.old_passwords)
              {
                char *buff= 
                  (char *) YYTHD->alloc(SCRAMBLED_PASSWORD_CHAR_LENGTH_323+1);
                if (buff)
                  make_scrambled_password_323(buff, $4.str);
                $1->password.str= buff;
                $1->password.length= SCRAMBLED_PASSWORD_CHAR_LENGTH_323;
              }
              else
              {
                char *buff= 
                  (char *) YYTHD->alloc(SCRAMBLED_PASSWORD_CHAR_LENGTH+1);
                if (buff)
                  make_scrambled_password(buff, $4.str);
                $1->password.str= buff;
                $1->password.length= SCRAMBLED_PASSWORD_CHAR_LENGTH;
              }
            }
          }
        | user IDENTIFIED_SYM BY PASSWORD TEXT_STRING
          { $$= $1; $1->password= $5; }
        | user
          { $$= $1; $1->password= null_lex_str; }
11521
        ;
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11522 11523

opt_column_list:
11524 11525 11526 11527 11528 11529 11530
          /* empty */
          {
            LEX *lex=Lex;
            lex->grant |= lex->which_columns;
          }
        | '(' column_list ')'
        ;
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11531 11532

column_list:
11533 11534 11535
          column_list ',' column_list_id
        | column_list_id
        ;
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11536 11537

column_list_id:
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          ident
          {
            String *new_str = new (YYTHD->mem_root) String((const char*) $1.str,$1.length,system_charset_info);
            List_iterator <LEX_COLUMN> iter(Lex->columns);
            class LEX_COLUMN *point;
            LEX *lex=Lex;
            while ((point=iter++))
            {
              if (!my_strcasecmp(system_charset_info,
                                 point->column.ptr(), new_str->ptr()))
                break;
            }
            lex->grant_tot_col|= lex->which_columns;
            if (point)
              point->rights |= lex->which_columns;
            else
              lex->columns.push_back(new LEX_COLUMN (*new_str,lex->which_columns));
          }
11556
        ;
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11557

11558 11559
require_clause:
          /* empty */
11560
        | REQUIRE_SYM require_list
11561 11562 11563
          {
            Lex->ssl_type=SSL_TYPE_SPECIFIED;
          }
11564
        | REQUIRE_SYM SSL_SYM
11565 11566 11567
          {
            Lex->ssl_type=SSL_TYPE_ANY;
          }
11568
        | REQUIRE_SYM X509_SYM
11569 11570 11571
          {
            Lex->ssl_type=SSL_TYPE_X509;
          }
11572 11573 11574 11575 11576
        | REQUIRE_SYM NONE_SYM
          {
            Lex->ssl_type=SSL_TYPE_NONE;
          }
        ;
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11577

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11578
grant_options:
11579 11580 11581
          /* empty */ {}
        | WITH grant_option_list
        ;
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11582

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11583
grant_option_list:
11584 11585
          grant_option_list grant_option {}
        | grant_option {}
11586
        ;
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11587 11588

grant_option:
11589
          GRANT OPTION { Lex->grant |= GRANT_ACL;}
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11590
        | MAX_QUERIES_PER_HOUR ulong_num
11591 11592 11593 11594 11595
          {
            LEX *lex=Lex;
            lex->mqh.questions=$2;
            lex->mqh.specified_limits|= USER_RESOURCES::QUERIES_PER_HOUR;
          }
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11596
        | MAX_UPDATES_PER_HOUR ulong_num
11597 11598 11599 11600 11601
          {
            LEX *lex=Lex;
            lex->mqh.updates=$2;
            lex->mqh.specified_limits|= USER_RESOURCES::UPDATES_PER_HOUR;
          }
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11602
        | MAX_CONNECTIONS_PER_HOUR ulong_num
11603 11604 11605 11606 11607
          {
            LEX *lex=Lex;
            lex->mqh.conn_per_hour= $2;
            lex->mqh.specified_limits|= USER_RESOURCES::CONNECTIONS_PER_HOUR;
          }
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11608
        | MAX_USER_CONNECTIONS_SYM ulong_num
11609 11610 11611 11612 11613
          {
            LEX *lex=Lex;
            lex->mqh.user_conn= $2;
            lex->mqh.specified_limits|= USER_RESOURCES::USER_CONNECTIONS;
          }
11614
        ;
11615

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11616
begin:
11617 11618 11619 11620 11621 11622 11623 11624
          BEGIN_SYM
          {
            LEX *lex=Lex;
            lex->sql_command = SQLCOM_BEGIN;
            lex->start_transaction_opt= 0;
          }
          opt_work {}
        ;
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11625 11626

opt_work:
11627 11628
          /* empty */ {}
        | WORK_SYM  {}
11629
        ;
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11630

11631
opt_chain:
11632 11633 11634 11635 11636
          /* empty */
          { $$= (YYTHD->variables.completion_type == 1); }
        | AND_SYM NO_SYM CHAIN_SYM { $$=0; }
        | AND_SYM CHAIN_SYM        { $$=1; }
        ;
11637 11638

opt_release:
11639 11640 11641 11642 11643 11644
          /* empty */
          { $$= (YYTHD->variables.completion_type == 2); }
        | RELEASE_SYM        { $$=1; }
        | NO_SYM RELEASE_SYM { $$=0; }
;

11645
opt_savepoint:
11646 11647 11648
          /* empty */ {}
        | SAVEPOINT_SYM {}
        ;
11649

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11650
commit:
11651 11652 11653 11654 11655 11656 11657 11658
          COMMIT_SYM opt_work opt_chain opt_release
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_COMMIT;
            lex->tx_chain= $3; 
            lex->tx_release= $4;
          }
        ;
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11659 11660

rollback:
11661 11662 11663 11664 11665 11666 11667 11668 11669 11670 11671 11672 11673 11674 11675
          ROLLBACK_SYM opt_work opt_chain opt_release
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_ROLLBACK;
            lex->tx_chain= $3; 
            lex->tx_release= $4;
          }
        | ROLLBACK_SYM opt_work
          TO_SYM opt_savepoint ident
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_ROLLBACK_TO_SAVEPOINT;
            lex->ident= $5;
          }
        ;
11676

11677
savepoint:
11678 11679 11680 11681 11682 11683 11684
          SAVEPOINT_SYM ident
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_SAVEPOINT;
            lex->ident= $2;
          }
        ;
11685 11686

release:
11687 11688 11689 11690 11691 11692 11693 11694
          RELEASE_SYM SAVEPOINT_SYM ident
          {
            LEX *lex=Lex;
            lex->sql_command= SQLCOM_RELEASE_SAVEPOINT;
            lex->ident= $3;
          }
        ;

11695
/*
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11696
   UNIONS : glue selects together
11697 11698 11699
*/


11700
union_clause:
11701 11702 11703
          /* empty */ {}
        | union_list
        ;
11704 11705

union_list:
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          UNION_SYM union_option
          {
            LEX *lex=Lex;
            if (lex->result)
            {
              /* Only the last SELECT can have  INTO...... */
              my_error(ER_WRONG_USAGE, MYF(0), "UNION", "INTO");
              MYSQL_YYABORT;
            }
            if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            /* This counter shouldn't be incremented for UNION parts */
            Lex->nest_level--;
            if (mysql_new_select(lex, 0))
              MYSQL_YYABORT;
            mysql_init_select(lex);
            lex->current_select->linkage=UNION_TYPE;
            if ($2) /* UNION DISTINCT - remember position */
              lex->current_select->master_unit()->union_distinct=
                lex->current_select;
          }
          select_init
          {
            /*
              Remove from the name resolution context stack the context of the
              last select in the union.
            */
            Lex->pop_context();
          }
        ;
11739 11740

union_opt:
11741 11742 11743 11744
          /* Empty */ { $$= 0; }
        | union_list { $$= 1; }
        | union_order_or_limit { $$= 1; }
        ;
11745

11746
union_order_or_limit:
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11747
          {
11748 11749 11750 11751 11752 11753 11754 11755 11756 11757 11758 11759 11760
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            DBUG_ASSERT(lex->current_select->linkage != GLOBAL_OPTIONS_TYPE);
            SELECT_LEX *sel= lex->current_select;
            SELECT_LEX_UNIT *unit= sel->master_unit();
            SELECT_LEX *fake= unit->fake_select_lex;
            if (fake)
            {
              unit->global_parameters= fake;
              fake->no_table_names_allowed= 1;
              lex->current_select= fake;
            }
            thd->where= "global ORDER clause";
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11761
          }
11762 11763 11764 11765 11766 11767 11768
          order_or_limit
          {
            THD *thd= YYTHD;
            thd->lex->current_select->no_table_names_allowed= 0;
            thd->where= "";
          }
        ;
11769 11770

order_or_limit:
11771 11772 11773
          order_clause opt_limit_clause_init
        | limit_clause
        ;
11774 11775

union_option:
11776 11777 11778
          /* empty */ { $$=1; }
        | DISTINCT  { $$=1; }
        | ALL       { $$=0; }
11779
        ;
11780

11781
subselect:
11782 11783 11784 11785
          SELECT_SYM subselect_start subselect_init subselect_end
          {
            $$= $3;
          }
11786 11787
        | '(' subselect_start subselect ')'
          {
11788
            THD *thd= YYTHD;
11789 11790 11791 11792 11793 11794 11795 11796 11797 11798 11799 11800 11801 11802
            /*
              note that a local variable can't be used for
              $3 as it's used in local variable construction
              and some compilers can't guarnatee the order
              in which the local variables are initialized.
            */
            List_iterator<Item> it($3->item_list);
            Item *item;
            /*
              we must fill the items list for the "derived table".
            */
            while ((item= it++))
              add_item_to_list(thd, item);
          }
11803 11804
          union_clause subselect_end { $$= $3; }
        ;
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11805

11806
subselect_init:
11807 11808 11809 11810 11811
          select_init2
          {
            $$= Lex->current_select->master_unit()->first_select();
          }
        ;
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11812

11813
subselect_start:
11814 11815 11816 11817 11818 11819 11820 11821 11822 11823 11824 11825 11826 11827 11828 11829 11830 11831 11832
          {
            LEX *lex=Lex;
            if (!lex->expr_allows_subselect ||
               lex->sql_command == (int)SQLCOM_PURGE)
            {
              my_parse_error(ER(ER_SYNTAX_ERROR));
              MYSQL_YYABORT;
            }
            /* 
              we are making a "derived table" for the parenthesis
              as we need to have a lex level to fit the union 
              after the parenthesis, e.g. 
              (SELECT .. ) UNION ...  becomes 
              SELECT * FROM ((SELECT ...) UNION ...)
            */
            if (mysql_new_select(Lex, 1))
              MYSQL_YYABORT;
          }
        ;
11833 11834

subselect_end:
11835 11836 11837 11838 11839 11840 11841 11842 11843 11844 11845 11846
          {
            LEX *lex=Lex;
            lex->pop_context();
            SELECT_LEX *child= lex->current_select;
            lex->current_select = lex->current_select->return_after_parsing();
            lex->nest_level--;
            lex->current_select->n_child_sum_items += child->n_sum_items;
            /*
              A subselect can add fields to an outer select. Reserve space for
              them.
            */
            lex->current_select->select_n_where_fields+=
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11847
            child->select_n_where_fields;
11848 11849
          }
        ;
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11851 11852 11853 11854 11855 11856
/**************************************************************************

 CREATE VIEW | TRIGGER | PROCEDURE statements.

**************************************************************************/

11857
view_or_trigger_or_sp_or_event:
11858 11859 11860 11861 11862
          definer view_or_trigger_or_sp_or_event_tail
          {}
        | view_replace_or_algorithm definer view_tail
          {}
        ;
11863

11864
view_or_trigger_or_sp_or_event_tail:
11865 11866 11867 11868 11869 11870 11871 11872 11873
          view_tail
          {}
        | trigger_tail
          {}
        | sp_tail
          {}
        | event_tail
          {}
        ;
11874 11875 11876 11877 11878 11879 11880

/**************************************************************************

 DEFINER clause support.

**************************************************************************/

11881
definer:
11882 11883 11884 11885 11886 11887 11888 11889 11890 11891 11892 11893 11894 11895 11896 11897
          /* empty */
          {
            /*
              We have to distinguish missing DEFINER-clause from case when
              CURRENT_USER specified as definer explicitly in order to properly
              handle CREATE TRIGGER statements which come to replication thread
              from older master servers (i.e. to create non-suid trigger in this
              case).
            */
            YYTHD->lex->definer= 0;
          }
        | DEFINER_SYM EQ user
          {
            YYTHD->lex->definer= get_current_user(YYTHD, $3);
          }
        ;
11898 11899 11900

/**************************************************************************

11901
 CREATE VIEW statement parts.
11902 11903 11904 11905

**************************************************************************/

view_replace_or_algorithm:
11906 11907 11908 11909 11910 11911 11912
          view_replace
          {}
        | view_replace view_algorithm
          {}
        | view_algorithm
          {}
        ;
11913 11914

view_replace:
11915 11916 11917
          OR_SYM REPLACE
          { Lex->create_view_mode= VIEW_CREATE_OR_REPLACE; }
        ;
11918 11919

view_algorithm:
11920 11921 11922 11923 11924 11925 11926
          ALGORITHM_SYM EQ UNDEFINED_SYM
          { Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED; }
        | ALGORITHM_SYM EQ MERGE_SYM
          { Lex->create_view_algorithm= VIEW_ALGORITHM_MERGE; }
        | ALGORITHM_SYM EQ TEMPTABLE_SYM
          { Lex->create_view_algorithm= VIEW_ALGORITHM_TMPTABLE; }
        ;
11927 11928

view_suid:
11929 11930 11931 11932 11933 11934 11935
          /* empty */
          { Lex->create_view_suid= VIEW_SUID_DEFAULT; }
        | SQL_SYM SECURITY_SYM DEFINER_SYM
          { Lex->create_view_suid= VIEW_SUID_DEFINER; }
        | SQL_SYM SECURITY_SYM INVOKER_SYM
          { Lex->create_view_suid= VIEW_SUID_INVOKER; }
        ;
11936 11937

view_tail:
11938 11939 11940 11941 11942 11943 11944 11945 11946 11947 11948 11949 11950 11951 11952 11953 11954 11955 11956 11957 11958 11959 11960 11961 11962 11963 11964 11965 11966 11967 11968
          view_suid VIEW_SYM table_ident
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            lex->sql_command= SQLCOM_CREATE_VIEW;
            /* first table in list is target VIEW name */
            if (!lex->select_lex.add_table_to_list(thd, $3, NULL, TL_OPTION_UPDATING))
              MYSQL_YYABORT;
          }
          view_list_opt AS
          {
            THD *thd= YYTHD;
            Lex_input_stream *lip= thd->m_lip;

            lip->body_utf8_start(thd, lip->get_cpp_ptr());
          }
          view_select
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;

            lip->body_utf8_append(lip->get_cpp_ptr());

            lex->view_body_utf8.str= thd->strmake(lip->get_body_utf8_str(),
                                                  lip->get_body_utf8_length());
            lex->view_body_utf8.length= lip->get_body_utf8_length();

            trim_whitespace(&my_charset_utf8_general_ci, &lex->view_body_utf8);
          }
        ;
11969 11970

view_list_opt:
11971 11972 11973 11974
          /* empty */
          {}
        | '(' view_list ')'
        ;
11975 11976

view_list:
11977 11978 11979 11980 11981 11982 11983 11984 11985 11986 11987
          ident 
            {
              Lex->view_list.push_back((LEX_STRING*)
              sql_memdup(&$1, sizeof(LEX_STRING)));
            }
        | view_list ',' ident
            {
              Lex->view_list.push_back((LEX_STRING*)
              sql_memdup(&$3, sizeof(LEX_STRING)));
            }
        ;
11988

11989
view_select:
11990 11991 11992 11993 11994 11995 11996 11997 11998 11999 12000 12001 12002 12003 12004 12005 12006 12007 12008 12009 12010
          {
            THD *thd= YYTHD;
            LEX *lex= Lex;
            Lex_input_stream *lip= thd->m_lip;
            lex->parsing_options.allows_variable= FALSE;
            lex->parsing_options.allows_select_into= FALSE;
            lex->parsing_options.allows_select_procedure= FALSE;
            lex->parsing_options.allows_derived= FALSE;
            lex->create_view_select_start= lip->get_cpp_ptr();
          }
          view_select_aux view_check_option
          {
            THD *thd= YYTHD;
            LEX *lex= Lex;
            Lex_input_stream *lip= thd->m_lip;
            lex->parsing_options.allows_variable= TRUE;
            lex->parsing_options.allows_select_into= TRUE;
            lex->parsing_options.allows_select_procedure= TRUE;
            lex->parsing_options.allows_derived= TRUE;
            lex->create_view_select_end= lip->get_cpp_ptr();
          }
12011 12012 12013
        ;

view_select_aux:
12014
          SELECT_SYM select_init2
12015 12016
        | '(' select_paren ')' union_opt
        ;
12017

12018
view_check_option:
12019 12020 12021 12022 12023 12024 12025 12026 12027
          /* empty */
          { Lex->create_view_check= VIEW_CHECK_NONE; }
        | WITH CHECK_SYM OPTION
          { Lex->create_view_check= VIEW_CHECK_CASCADED; }
        | WITH CASCADED CHECK_SYM OPTION
          { Lex->create_view_check= VIEW_CHECK_CASCADED; }
        | WITH LOCAL_SYM CHECK_SYM OPTION
          { Lex->create_view_check= VIEW_CHECK_LOCAL; }
        ;
12028

12029 12030 12031 12032 12033 12034 12035
/**************************************************************************

 CREATE TRIGGER statement parts.

**************************************************************************/

trigger_tail:
12036 12037 12038 12039 12040 12041 12042 12043 12044 12045 12046 12047 12048 12049 12050 12051 12052 12053 12054 12055 12056 12057 12058 12059 12060 12061 12062 12063 12064
          TRIGGER_SYM
          remember_name
          sp_name
          trg_action_time
          trg_event
          ON
          remember_name /* $7 */
          { /* $8 */
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            lex->raw_trg_on_table_name_begin= lip->get_tok_start();
          }
          table_ident /* $9 */
          FOR_SYM
          remember_name /* $11 */
          { /* $12 */
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            lex->raw_trg_on_table_name_end= lip->get_tok_start();
          }
          EACH_SYM
          ROW_SYM
          { /* $15 */
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            sp_head *sp;
12065

12066 12067 12068 12069 12070 12071 12072 12073 12074 12075 12076 12077 12078 12079 12080 12081 12082 12083 12084 12085 12086 12087 12088 12089 12090 12091 12092 12093 12094 12095 12096 12097 12098 12099 12100 12101 12102 12103 12104 12105 12106 12107 12108 12109 12110 12111 12112 12113 12114 12115 12116 12117 12118 12119 12120 12121 12122
            if (lex->sphead)
            {
              my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "TRIGGER");
              MYSQL_YYABORT;
            }

            if (!(sp= new sp_head()))
              MYSQL_YYABORT;
            sp->reset_thd_mem_root(thd);
            sp->init(lex);
            sp->m_type= TYPE_ENUM_TRIGGER;
            sp->init_sp_name(thd, $3);
            lex->stmt_definition_begin= $2;
            lex->ident.str= $7;
            lex->ident.length= $11 - $7;

            lex->sphead= sp;
            lex->spname= $3;
            /*
              We have to turn of CLIENT_MULTI_QUERIES while parsing a
              stored procedure, otherwise yylex will chop it into pieces
              at each ';'.
            */
            $<ulong_num>$= thd->client_capabilities & CLIENT_MULTI_QUERIES;
            thd->client_capabilities &= ~CLIENT_MULTI_QUERIES;

            bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
            lex->sphead->m_chistics= &lex->sp_chistics;
            lex->sphead->set_body_start(thd, lip->get_cpp_ptr());
          }
          sp_proc_stmt /* $16 */
          { /* $17 */
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;

            lex->sql_command= SQLCOM_CREATE_TRIGGER;
            sp->set_stmt_end(YYTHD);
            /* Restore flag if it was cleared above */

            YYTHD->client_capabilities |= $<ulong_num>15;
            sp->restore_thd_mem_root(YYTHD);

            if (sp->is_not_allowed_in_function("trigger"))
              MYSQL_YYABORT;

            /*
              We have to do it after parsing trigger body, because some of
              sp_proc_stmt alternatives are not saving/restoring LEX, so
              lex->query_tables can be wiped out.
            */
            if (!lex->select_lex.add_table_to_list(YYTHD, $9,
                                                   (LEX_STRING*) 0,
                                                   TL_OPTION_UPDATING,
                                                   TL_IGNORE))
              MYSQL_YYABORT;
          }
        ;
12123

12124 12125 12126 12127 12128 12129 12130
/**************************************************************************

 CREATE FUNCTION | PROCEDURE statements parts.

**************************************************************************/

sp_tail:
12131 12132 12133 12134 12135 12136 12137 12138 12139 12140 12141 12142 12143
          udf_func_type remember_name FUNCTION_SYM sp_name
          {
            LEX *lex=Lex;
            lex->udf.type= $1;
            lex->stmt_definition_begin= $2;
            lex->spname= $4;
          }
          create_function_tail
          {}
        | PROCEDURE remember_name sp_name
          {
            LEX *lex= Lex;
            sp_head *sp;
12144

12145 12146 12147 12148 12149 12150 12151 12152 12153 12154 12155 12156 12157 12158 12159 12160 12161 12162 12163 12164 12165 12166 12167 12168 12169 12170 12171 12172 12173 12174 12175 12176 12177 12178 12179 12180 12181 12182 12183 12184 12185 12186 12187 12188 12189 12190 12191 12192 12193 12194 12195 12196 12197 12198 12199 12200 12201 12202 12203 12204 12205 12206 12207 12208 12209 12210 12211 12212 12213 12214
            if (lex->sphead)
            {
              my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "PROCEDURE");
              MYSQL_YYABORT;
            }

            lex->stmt_definition_begin= $2;

            /* Order is important here: new - reset - init */
            sp= new sp_head();
            sp->reset_thd_mem_root(YYTHD);
            sp->init(lex);
            sp->m_type= TYPE_ENUM_PROCEDURE;
            sp->init_sp_name(YYTHD, $3);

            lex->sphead= sp;
            /*
             * We have to turn of CLIENT_MULTI_QUERIES while parsing a
             * stored procedure, otherwise yylex will chop it into pieces
             * at each ';'.
             */
            $<ulong_num>$= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
            YYTHD->client_capabilities &= (~CLIENT_MULTI_QUERIES);
          }
          '('
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;
            const char* tmp_param_begin;

            tmp_param_begin= lip->get_cpp_tok_start();
            tmp_param_begin++;
            lex->sphead->m_param_begin= tmp_param_begin;
          }
          sp_pdparam_list
          ')'
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;

            lex->sphead->m_param_end= lip->get_cpp_tok_start();
            bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
          sp_c_chistics
          {
            THD *thd= YYTHD;
            LEX *lex= thd->lex;
            Lex_input_stream *lip= thd->m_lip;

            lex->sphead->m_chistics= &lex->sp_chistics;
            lex->sphead->set_body_start(thd, lip->get_cpp_tok_start());
          }
          sp_proc_stmt
          {
            LEX *lex= Lex;
            sp_head *sp= lex->sphead;

            sp->set_stmt_end(YYTHD);
            lex->sql_command= SQLCOM_CREATE_PROCEDURE;
            /*
              Restore flag if it was cleared above
              Be careful with counting. the block where we save the value
              is $4.
            */
            YYTHD->client_capabilities |= $<ulong_num>4;
            sp->restore_thd_mem_root(YYTHD);
          }
        ;
12215

12216
/*************************************************************************/
12217

12218 12219 12220 12221 12222 12223 12224 12225 12226 12227 12228 12229 12230 12231 12232 12233 12234 12235 12236 12237 12238 12239 12240 12241 12242 12243 12244 12245 12246 12247 12248 12249 12250 12251 12252 12253 12254 12255 12256 12257 12258 12259 12260 12261 12262 12263 12264 12265 12266 12267 12268 12269 12270 12271 12272
xa:
          XA_SYM begin_or_start xid opt_join_or_resume
          {
            Lex->sql_command = SQLCOM_XA_START;
          }
        | XA_SYM END xid opt_suspend
          {
            Lex->sql_command = SQLCOM_XA_END;
          }
        | XA_SYM PREPARE_SYM xid
          {
            Lex->sql_command = SQLCOM_XA_PREPARE;
          }
        | XA_SYM COMMIT_SYM xid opt_one_phase
          {
            Lex->sql_command = SQLCOM_XA_COMMIT;
          }
        | XA_SYM ROLLBACK_SYM xid
          {
            Lex->sql_command = SQLCOM_XA_ROLLBACK;
          }
        | XA_SYM RECOVER_SYM
          {
            Lex->sql_command = SQLCOM_XA_RECOVER;
          }
        ;

xid:
          text_string
          {
            MYSQL_YYABORT_UNLESS($1->length() <= MAXGTRIDSIZE);
            if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
              MYSQL_YYABORT;
            Lex->xid->set(1L, $1->ptr(), $1->length(), 0, 0);
          }
          | text_string ',' text_string
          {
            MYSQL_YYABORT_UNLESS($1->length() <= MAXGTRIDSIZE && $3->length() <= MAXBQUALSIZE);
            if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
              MYSQL_YYABORT;
            Lex->xid->set(1L, $1->ptr(), $1->length(), $3->ptr(), $3->length());
          }
          | text_string ',' text_string ',' ulong_num
          {
            MYSQL_YYABORT_UNLESS($1->length() <= MAXGTRIDSIZE && $3->length() <= MAXBQUALSIZE);
            if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
              MYSQL_YYABORT;
            Lex->xid->set($5, $1->ptr(), $1->length(), $3->ptr(), $3->length());
          }
        ;

begin_or_start:
          BEGIN_SYM {}
        | START_SYM {}
        ;
12273 12274

opt_join_or_resume:
12275 12276 12277 12278
          /* nothing */ { Lex->xa_opt=XA_NONE;        }
        | JOIN_SYM      { Lex->xa_opt=XA_JOIN;        }
        | RESUME_SYM    { Lex->xa_opt=XA_RESUME;      }
        ;
12279 12280

opt_one_phase:
12281 12282 12283
          /* nothing */     { Lex->xa_opt=XA_NONE;        }
        | ONE_SYM PHASE_SYM { Lex->xa_opt=XA_ONE_PHASE;   }
        ;
12284

12285
opt_suspend:
12286 12287 12288 12289 12290 12291
          /* nothing */
          { Lex->xa_opt=XA_NONE;        }
        | SUSPEND_SYM
          { Lex->xa_opt=XA_SUSPEND;     }
          opt_migrate
        ;
12292 12293

opt_migrate:
12294 12295 12296
          /* nothing */       {}
        | FOR_SYM MIGRATE_SYM { Lex->xa_opt=XA_FOR_MIGRATE; }
        ;
12297

12298
install:
12299 12300 12301 12302 12303 12304 12305 12306
          INSTALL_SYM PLUGIN_SYM ident SONAME_SYM TEXT_STRING_sys
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_INSTALL_PLUGIN;
            lex->comment= $3;
            lex->ident= $5;
          }
        ;
12307

12308
uninstall:
12309 12310 12311 12312 12313 12314 12315 12316
          UNINSTALL_SYM PLUGIN_SYM ident
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_UNINSTALL_PLUGIN;
            lex->comment= $3;
          }
        ;

12317 12318 12319
/**
  @} (end of group Parser)
*/