sql_show.cc 120 KB
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/* Copyright (C) 2000-2004 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
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
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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 */


/* Function with list databases, tables or fields */

#include "mysql_priv.h"
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#include "sql_select.h"                         // For select_describe
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#include "repl_failsafe.h"
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#include "sp_head.h"
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#include <my_dir.h>
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#ifdef HAVE_BERKELEY_DB
#include "ha_berkeley.h"			// For berkeley_show_logs
#endif

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static const char *grant_names[]={
  "select","insert","update","delete","create","drop","reload","shutdown",
  "process","file","grant","references","index","alter"};

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#ifndef NO_EMBEDDED_ACCESS_CHECKS
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static TYPELIB grant_types = { sizeof(grant_names)/sizeof(char **),
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                               "grant_types",
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                               grant_names, NULL};
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#endif
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static int
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store_create_info(THD *thd, TABLE_LIST *table_list, String *packet);
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static int
view_store_create_info(THD *thd, TABLE_LIST *table, String *packet);
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/***************************************************************************
** List all table types supported 
***************************************************************************/

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bool mysqld_show_storage_engines(THD *thd)
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{
  List<Item> field_list;
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  Protocol *protocol= thd->protocol;
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  DBUG_ENTER("mysqld_show_storage_engines");
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  field_list.push_back(new Item_empty_string("Engine",10));
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  field_list.push_back(new Item_empty_string("Support",10));
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  field_list.push_back(new Item_empty_string("Comment",80));
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  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
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    DBUG_RETURN(TRUE);
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  const char *default_type_name= 
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    ha_get_storage_engine((enum db_type)thd->variables.table_type);
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  show_table_type_st *types;
  for (types= sys_table_types; types->type; types++)
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  {
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    protocol->prepare_for_resend();
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    protocol->store(types->type, system_charset_info);
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    const char *option_name= show_comp_option_name[(int) *types->value];

    if (*types->value == SHOW_OPTION_YES &&
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	!my_strcasecmp(system_charset_info, default_type_name, types->type))
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      option_name= "DEFAULT";
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    protocol->store(option_name, system_charset_info);
    protocol->store(types->comment, system_charset_info);
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    if (protocol->write())
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      DBUG_RETURN(TRUE);
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  }
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  send_eof(thd);
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  DBUG_RETURN(FALSE);
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}

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/***************************************************************************
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 List all privileges supported
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***************************************************************************/

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struct show_privileges_st {
  const char *privilege;
  const char *context;
  const char *comment;
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};

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static struct show_privileges_st sys_privileges[]=
{
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  {"Alter", "Tables",  "To alter the table"},
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  {"Alter routine", "Functions,Procedures",  "To alter or drop stored functions/procedures"},
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  {"Create", "Databases,Tables,Indexes",  "To create new databases and tables"},
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  {"Create routine","Functions,Procedures","To use CREATE FUNCTION/PROCEDURE"},
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  {"Create temporary tables","Databases","To use CREATE TEMPORARY TABLE"},
  {"Create view", "Tables",  "To create new views"},
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  {"Delete", "Tables",  "To delete existing rows"},
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  {"Drop", "Databases,Tables", "To drop databases, tables, and views"},
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  {"Execute", "Functions,Procedures", "To execute stored routines"},
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  {"File", "File access on server",   "To read and write files on the server"},
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  {"Grant option",  "Databases,Tables,Functions,Procedures", "To give to other users those privileges you possess"},
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  {"Index", "Tables",  "To create or drop indexes"},
  {"Insert", "Tables",  "To insert data into tables"},
  {"Lock tables","Databases","To use LOCK TABLES (together with SELECT privilege)"},
  {"Process", "Server Admin", "To view the plain text of currently executing queries"},
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  {"References", "Databases,Tables", "To have references on tables"},
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  {"Reload", "Server Admin", "To reload or refresh tables, logs and privileges"},
  {"Replication client","Server Admin","To ask where the slave or master servers are"},
  {"Replication slave","Server Admin","To read binary log events from the master"},
  {"Select", "Tables",  "To retrieve rows from table"},
  {"Show databases","Server Admin","To see all databases with SHOW DATABASES"},
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  {"Show view","Tables","To see views with SHOW CREATE VIEW"},
  {"Shutdown","Server Admin", "To shut down the server"},
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  {"Super","Server Admin","To use KILL thread, SET GLOBAL, CHANGE MASTER, etc."},
  {"Update", "Tables",  "To update existing rows"},
  {"Usage","Server Admin","No privileges - allow connect only"},
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  {NullS, NullS, NullS}
};

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bool mysqld_show_privileges(THD *thd)
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{
  List<Item> field_list;
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  Protocol *protocol= thd->protocol;
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  DBUG_ENTER("mysqld_show_privileges");

  field_list.push_back(new Item_empty_string("Privilege",10));
  field_list.push_back(new Item_empty_string("Context",15));
  field_list.push_back(new Item_empty_string("Comment",NAME_LEN));

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  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
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    DBUG_RETURN(TRUE);
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  show_privileges_st *privilege= sys_privileges;
  for (privilege= sys_privileges; privilege->privilege ; privilege++)
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  {
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    protocol->prepare_for_resend();
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    protocol->store(privilege->privilege, system_charset_info);
    protocol->store(privilege->context, system_charset_info);
    protocol->store(privilege->comment, system_charset_info);
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    if (protocol->write())
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      DBUG_RETURN(TRUE);
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  }
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  send_eof(thd);
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  DBUG_RETURN(FALSE);
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}


/***************************************************************************
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  List all column types
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***************************************************************************/

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struct show_column_type_st
{
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  const char *type;
  uint size;
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  const char *min_value;
  const char *max_value;
  uint precision;
  uint scale;
  const char *nullable;
  const char *auto_increment;
  const char *unsigned_attr;
  const char *zerofill;
  const char *searchable;
  const char *case_sensitivity;
  const char *default_value;
  const char *comment;
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};
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/* TODO: Add remaning types */

static struct show_column_type_st sys_column_types[]=
{
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  {"tinyint",
    1,  "-128",  "127",  0,  0,  "YES",  "YES",
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    "NO",   "YES", "YES",  "NO",  "NULL,0",
    "A very small integer"},
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  {"tinyint unsigned",
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    1,  "0"   ,  "255",  0,  0,  "YES",  "YES",
    "YES",  "YES",  "YES",  "NO",  "NULL,0",
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    "A very small integer"},
};

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bool mysqld_show_column_types(THD *thd)
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{
  List<Item> field_list;
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  Protocol *protocol= thd->protocol;
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  DBUG_ENTER("mysqld_show_column_types");

  field_list.push_back(new Item_empty_string("Type",30));
  field_list.push_back(new Item_int("Size",(longlong) 1,21));
  field_list.push_back(new Item_empty_string("Min_Value",20));
  field_list.push_back(new Item_empty_string("Max_Value",20));
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  field_list.push_back(new Item_return_int("Prec", 4, MYSQL_TYPE_SHORT));
  field_list.push_back(new Item_return_int("Scale", 4, MYSQL_TYPE_SHORT));
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  field_list.push_back(new Item_empty_string("Nullable",4));
  field_list.push_back(new Item_empty_string("Auto_Increment",4));
  field_list.push_back(new Item_empty_string("Unsigned",4));
  field_list.push_back(new Item_empty_string("Zerofill",4));
  field_list.push_back(new Item_empty_string("Searchable",4));
  field_list.push_back(new Item_empty_string("Case_Sensitive",4));
  field_list.push_back(new Item_empty_string("Default",NAME_LEN));
  field_list.push_back(new Item_empty_string("Comment",NAME_LEN));

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  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
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    DBUG_RETURN(TRUE);
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  /* TODO: Change the loop to not use 'i' */
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  for (uint i=0; i < sizeof(sys_column_types)/sizeof(sys_column_types[0]); i++)
  {
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    protocol->prepare_for_resend();
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    protocol->store(sys_column_types[i].type, system_charset_info);
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    protocol->store((ulonglong) sys_column_types[i].size);
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    protocol->store(sys_column_types[i].min_value, system_charset_info);
    protocol->store(sys_column_types[i].max_value, system_charset_info);
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    protocol->store_short((longlong) sys_column_types[i].precision);
    protocol->store_short((longlong) sys_column_types[i].scale);
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    protocol->store(sys_column_types[i].nullable, system_charset_info);
    protocol->store(sys_column_types[i].auto_increment, system_charset_info);
    protocol->store(sys_column_types[i].unsigned_attr, system_charset_info);
    protocol->store(sys_column_types[i].zerofill, system_charset_info);
    protocol->store(sys_column_types[i].searchable, system_charset_info);
    protocol->store(sys_column_types[i].case_sensitivity, system_charset_info);
    protocol->store(sys_column_types[i].default_value, system_charset_info);
    protocol->store(sys_column_types[i].comment, system_charset_info);
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    if (protocol->write())
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      DBUG_RETURN(TRUE);
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  }
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  send_eof(thd);
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  DBUG_RETURN(FALSE);
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}


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int
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mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
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                 const char *wild, bool dir)
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{
  uint i;
  char *ext;
  MY_DIR *dirp;
  FILEINFO *file;
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#ifndef NO_EMBEDDED_ACCESS_CHECKS
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  uint col_access=thd->col_access;
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#endif
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  TABLE_LIST table_list;
  DBUG_ENTER("mysql_find_files");

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  if (wild && !wild[0])
    wild=0;
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  bzero((char*) &table_list,sizeof(table_list));

  if (!(dirp = my_dir(path,MYF(MY_WME | (dir ? MY_WANT_STAT : 0)))))
    DBUG_RETURN(-1);

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  for (i=0 ; i < (uint) dirp->number_off_files  ; i++)
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  {
    file=dirp->dir_entry+i;
    if (dir)
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    {                                           /* Return databases */
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#ifdef USE_SYMDIR
      char *ext;
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      char buff[FN_REFLEN];
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      if (my_use_symdir && !strcmp(ext=fn_ext(file->name), ".sym"))
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      {
	/* Only show the sym file if it points to a directory */
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	char *end;
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        *ext=0;                                 /* Remove extension */
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	unpack_dirname(buff, file->name);
	end= strend(buff);
	if (end != buff && end[-1] == FN_LIBCHAR)
	  end[-1]= 0;				// Remove end FN_LIBCHAR
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        if (!my_stat(buff, file->mystat, MYF(0)))
               continue;
       }
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#endif
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        if (file->name[0] == '.' || !MY_S_ISDIR(file->mystat->st_mode) ||
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            (wild && wild_compare(file->name,wild,0)))
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          continue;
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    }
    else
    {
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        // Return only .frm files which aren't temp files.
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      if (my_strcasecmp(system_charset_info, ext=fn_ext(file->name),reg_ext) ||
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          is_prefix(file->name,tmp_file_prefix))
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        continue;
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      *ext=0;
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      if (wild)
      {
	if (lower_case_table_names)
	{
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	  if (wild_case_compare(files_charset_info, file->name, wild))
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	    continue;
	}
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	else if (wild_compare(file->name,wild,0))
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	  continue;
      }
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    }
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#ifndef NO_EMBEDDED_ACCESS_CHECKS
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    /* Don't show tables where we don't have any privileges */
    if (db && !(col_access & TABLE_ACLS))
    {
      table_list.db= (char*) db;
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      table_list.db_length= strlen(db);
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      table_list.table_name= file->name;
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      table_list.table_name_length= strlen(file->name);
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      table_list.grant.privilege=col_access;
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      if (check_grant(thd, TABLE_ACLS, &table_list, 1, UINT_MAX, 1))
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        continue;
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    }
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#endif
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    if (files->push_back(thd->strdup(file->name)))
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    {
      my_dirend(dirp);
      DBUG_RETURN(-1);
    }
  }
  DBUG_PRINT("info",("found: %d files", files->elements));
  my_dirend(dirp);
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  VOID(ha_find_files(thd,db,path,wild,dir,files));

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  DBUG_RETURN(0);
}

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bool
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mysqld_show_create(THD *thd, TABLE_LIST *table_list)
{
  TABLE *table;
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  Protocol *protocol= thd->protocol;
  char buff[2048];
  String buffer(buff, sizeof(buff), system_charset_info);
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  DBUG_ENTER("mysqld_show_create");
  DBUG_PRINT("enter",("db: %s  table: %s",table_list->db,
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                      table_list->table_name));
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  /* Only one table for now, but VIEW can involve several tables */
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  if (open_and_lock_tables(thd, table_list))
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  {
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    DBUG_RETURN(TRUE);
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  }
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  /* TODO: add environment variables show when it become possible */
  if (thd->lex->only_view && !table_list->view)
  {
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    my_error(ER_WRONG_OBJECT, MYF(0),
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             table_list->db, table_list->table_name, "VIEW");
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    DBUG_RETURN(TRUE);
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  }
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  table= table_list->table;
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  if ((table_list->view ?
       view_store_create_info(thd, table_list, &buffer) :
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       store_create_info(thd, table_list, &buffer)))
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    DBUG_RETURN(TRUE);
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  List<Item> field_list;
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  if (table_list->view)
  {
    field_list.push_back(new Item_empty_string("View",NAME_LEN));
    field_list.push_back(new Item_empty_string("Create View",
                                               max(buffer.length(),1024)));
  }
  else
  {
    field_list.push_back(new Item_empty_string("Table",NAME_LEN));
    // 1024 is for not to confuse old clients
    field_list.push_back(new Item_empty_string("Create Table",
                                               max(buffer.length(),1024)));
  }
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  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
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    DBUG_RETURN(TRUE);
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  protocol->prepare_for_resend();
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  buffer.length(0);
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  if (table_list->view)
  {
    protocol->store(table_list->view_name.str, system_charset_info);
    if (view_store_create_info(thd, table_list, &buffer))
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      DBUG_RETURN(TRUE);
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  }
  else
  {
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    if (table_list->schema_table)
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      protocol->store(table_list->schema_table_name, system_charset_info);
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    else
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      protocol->store(table->alias, system_charset_info);
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    if (store_create_info(thd, table_list, &buffer))
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      DBUG_RETURN(TRUE);
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  }
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  protocol->store(buffer.ptr(), buffer.length(), buffer.charset());
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  if (protocol->write())
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    DBUG_RETURN(TRUE);
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  send_eof(thd);
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  DBUG_RETURN(FALSE);
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}

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bool mysqld_show_create_db(THD *thd, char *dbname,
                           HA_CREATE_INFO *create_info)
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{
  int length;
  char	path[FN_REFLEN];
  char buff[2048];
  String buffer(buff, sizeof(buff), system_charset_info);
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#ifndef NO_EMBEDDED_ACCESS_CHECKS
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  uint db_access;
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#endif
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  bool found_libchar;
  HA_CREATE_INFO create;
  uint create_options = create_info ? create_info->options : 0;
  Protocol *protocol=thd->protocol;
  DBUG_ENTER("mysql_show_create_db");

  if (check_db_name(dbname))
  {
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    my_error(ER_WRONG_DB_NAME, MYF(0), dbname);
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    DBUG_RETURN(TRUE);
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  }

#ifndef NO_EMBEDDED_ACCESS_CHECKS
  if (test_all_bits(thd->master_access,DB_ACLS))
    db_access=DB_ACLS;
  else
    db_access= (acl_get(thd->host,thd->ip, thd->priv_user,dbname,0) |
		thd->master_access);
  if (!(db_access & DB_ACLS) && (!grant_option || check_grant_db(thd,dbname)))
  {
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    my_error(ER_DBACCESS_DENIED_ERROR, MYF(0),
             thd->priv_user, thd->host_or_ip, dbname);
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    mysql_log.write(thd,COM_INIT_DB,ER(ER_DBACCESS_DENIED_ERROR),
		    thd->priv_user, thd->host_or_ip, dbname);
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    DBUG_RETURN(TRUE);
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  }
#endif

  (void) sprintf(path,"%s/%s",mysql_data_home, dbname);
  length=unpack_dirname(path,path);		// Convert if not unix
  found_libchar= 0;
  if (length && path[length-1] == FN_LIBCHAR)
  {
    found_libchar= 1;
    path[length-1]=0;				// remove ending '\'
  }
  if (access(path,F_OK))
  {
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    my_error(ER_BAD_DB_ERROR, MYF(0), dbname);
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    DBUG_RETURN(TRUE);
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  }
  if (found_libchar)
    path[length-1]= FN_LIBCHAR;
  strmov(path+length, MY_DB_OPT_FILE);
  load_db_opt(thd, path, &create);

  List<Item> field_list;
  field_list.push_back(new Item_empty_string("Database",NAME_LEN));
  field_list.push_back(new Item_empty_string("Create Database",1024));

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  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
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    DBUG_RETURN(TRUE);
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  protocol->prepare_for_resend();
  protocol->store(dbname, strlen(dbname), system_charset_info);
  buffer.length(0);
  buffer.append("CREATE DATABASE ", 16);
  if (create_options & HA_LEX_CREATE_IF_NOT_EXISTS)
    buffer.append("/*!32312 IF NOT EXISTS*/ ", 25);
  append_identifier(thd, &buffer, dbname, strlen(dbname));

  if (create.default_table_charset)
  {
    buffer.append(" /*!40100", 9);
    buffer.append(" DEFAULT CHARACTER SET ", 23);
    buffer.append(create.default_table_charset->csname);
    if (!(create.default_table_charset->state & MY_CS_PRIMARY))
    {
      buffer.append(" COLLATE ", 9);
      buffer.append(create.default_table_charset->name);
    }
    buffer.append(" */", 3);
  }
  protocol->store(buffer.ptr(), buffer.length(), buffer.charset());

  if (protocol->write())
498
    DBUG_RETURN(TRUE);
499
  send_eof(thd);
500
  DBUG_RETURN(FALSE);
501
}
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502

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bool
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mysqld_show_logs(THD *thd)
{
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  List<Item> field_list;
  Protocol *protocol= thd->protocol;
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  DBUG_ENTER("mysqld_show_logs");

  field_list.push_back(new Item_empty_string("File",FN_REFLEN));
  field_list.push_back(new Item_empty_string("Type",10));
  field_list.push_back(new Item_empty_string("Status",10));

514 515
  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
516
    DBUG_RETURN(TRUE);
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#ifdef HAVE_BERKELEY_DB
519
  if ((have_berkeley_db == SHOW_OPTION_YES) && berkeley_show_logs(protocol))
520
    DBUG_RETURN(TRUE);
521
#endif
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523
  send_eof(thd);
524
  DBUG_RETURN(FALSE);
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}


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/****************************************************************************
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  Return only fields for API mysql_list_fields
  Use "show table wildcard" in mysql instead of this
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****************************************************************************/

void
mysqld_list_fields(THD *thd, TABLE_LIST *table_list, const char *wild)
{
  TABLE *table;
  DBUG_ENTER("mysqld_list_fields");
538
  DBUG_PRINT("enter",("table: %s",table_list->table_name));
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  table_list->lock_type= TL_UNLOCK;
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  if (open_and_lock_tables(thd, table_list))
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    DBUG_VOID_RETURN;
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  table= table_list->table;

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  List<Item> field_list;

  Field **ptr,*field;
  for (ptr=table->field ; (field= *ptr); ptr++)
  {
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    if (!wild || !wild[0] || 
        !wild_case_compare(system_charset_info, field->field_name,wild))
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      field_list.push_back(new Item_field(field));
  }
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  restore_record(table, s->default_values);              // Get empty record
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  if (thd->protocol->send_fields(&field_list, Protocol::SEND_DEFAULTS |
                                              Protocol::SEND_EOF))
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    DBUG_VOID_RETURN;
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  thd->protocol->flush();
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  DBUG_VOID_RETURN;
}

562

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563
int
564
mysqld_dump_create_info(THD *thd, TABLE_LIST *table_list, int fd)
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{
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  Protocol *protocol= thd->protocol;
  String *packet= protocol->storage_packet();
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  DBUG_ENTER("mysqld_dump_create_info");
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  DBUG_PRINT("enter",("table: %s",table_list->table->s->table_name));
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  protocol->prepare_for_resend();
572
  if (store_create_info(thd, table_list, packet))
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    DBUG_RETURN(-1);
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  if (fd < 0)
576
  {
577
    if (protocol->write())
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      DBUG_RETURN(-1);
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    protocol->flush();
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  }
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  else
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  {
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    if (my_write(fd, (const byte*) packet->ptr(), packet->length(),
		 MYF(MY_WME)))
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      DBUG_RETURN(-1);
  }
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  DBUG_RETURN(0);
}
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590
/*
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  Go through all character combinations and ensure that sql_lex.cc can
592
  parse it as an identifier.
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  SYNOPSIS
595 596 597 598 599 600 601
  require_quotes()
  name			attribute name
  name_length		length of name

  RETURN
    #	Pointer to conflicting character
    0	No conflicting character
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*/

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static const char *require_quotes(const char *name, uint name_length)
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{
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  uint length;
  const char *end= name + name_length;

  for ( ; name < end ; name++)
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  {
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    uchar chr= (uchar) *name;
    length= my_mbcharlen(system_charset_info, chr);
    if (length == 1 && !system_charset_info->ident_map[chr])
      return name;
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  }
  return 0;
}
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void
append_identifier(THD *thd, String *packet, const char *name, uint length)
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{
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  const char *name_end;
  char quote_char;
625
  int q= get_quote_char_for_identifier(thd, name, length);
626

627
  if (q == EOF)
628
  {
629
    packet->append(name, length, system_charset_info);
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    return;
  }

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  /*
    The identifier must be quoted as it includes a quote character or
   it's a keyword
  */
637 638

  packet->reserve(length*2 + 2);
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  quote_char= (char) q;
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  packet->append(&quote_char, 1, system_charset_info);

  for (name_end= name+length ; name < name_end ; name+= length)
  {
644
    uchar chr= (uchar) *name;
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    length= my_mbcharlen(system_charset_info, chr);
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    /*
      my_mbcharlen can retur 0 on a wrong multibyte
      sequence. It is possible when upgrading from 4.0,
      and identifier contains some accented characters.
      The manual says it does not work. So we'll just
      change length to 1 not to hang in the endless loop.
    */
    if (!length)
      length= 1;
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    if (length == 1 && chr == (uchar) quote_char)
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      packet->append(&quote_char, 1, system_charset_info);
    packet->append(name, length, packet->charset());
658
  }
659
  packet->append(&quote_char, 1, system_charset_info);
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}

662

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/*
  Get the quote character for displaying an identifier.

  SYNOPSIS
    get_quote_char_for_identifier()
    thd		Thread handler
    name	name to quote
    length	length of name

  IMPLEMENTATION
    If name is a keyword or includes a special character, then force
    quoting.
    Otherwise identifier is quoted only if the option OPTION_QUOTE_SHOW_CREATE
    is set.

  RETURN
    EOF	  No quote character is needed
    #	  Quote character
*/
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int get_quote_char_for_identifier(THD *thd, const char *name, uint length)
{
  if (!is_keyword(name,length) &&
      !require_quotes(name, length) &&
      !(thd->options & OPTION_QUOTE_SHOW_CREATE))
    return EOF;
689
  if (thd->variables.sql_mode & MODE_ANSI_QUOTES)
690
    return '"';
691
  return '`';
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}


695 696 697 698 699
/* Append directory name (if exists) to CREATE INFO */

static void append_directory(THD *thd, String *packet, const char *dir_type,
			     const char *filename)
{
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  if (filename && !(thd->variables.sql_mode & MODE_NO_DIR_IN_CREATE))
701
  {
702
    uint length= dirname_length(filename);
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    packet->append(' ');
    packet->append(dir_type);
    packet->append(" DIRECTORY='", 12);
    packet->append(filename, length);
    packet->append('\'');
  }
}


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#define LIST_PROCESS_HOST_LEN 64
713

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static int
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store_create_info(THD *thd, TABLE_LIST *table_list, String *packet)
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{
717
  List<Item> field_list;
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  char tmp[MAX_FIELD_WIDTH], *for_str, buff[128], *end;
  const char *alias;
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  String type(tmp, sizeof(tmp), system_charset_info);
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  Field **ptr,*field;
  uint primary_key;
  KEY *key_info;
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  TABLE *table= table_list->table;
725
  handler *file= table->file;
726
  TABLE_SHARE *share= table->s;
727
  HA_CREATE_INFO create_info;
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  my_bool foreign_db_mode=    (thd->variables.sql_mode & (MODE_POSTGRESQL |
							  MODE_ORACLE |
							  MODE_MSSQL |
							  MODE_DB2 |
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							  MODE_MAXDB |
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							  MODE_ANSI)) != 0;
  my_bool limited_mysql_mode= (thd->variables.sql_mode &
			       (MODE_NO_FIELD_OPTIONS | MODE_MYSQL323 |
				MODE_MYSQL40)) != 0;
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  DBUG_ENTER("store_create_info");
738
  DBUG_PRINT("enter",("table: %s", table->s->table_name));
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  restore_record(table, s->default_values); // Get empty record
741

742
  if (share->tmp_table)
743 744 745
    packet->append("CREATE TEMPORARY TABLE ", 23);
  else
    packet->append("CREATE TABLE ", 13);
746
  if (table_list->schema_table)
747
    alias= table_list->schema_table_name;
748
  else
749 750
    alias= (lower_case_table_names == 2 ? table->alias :
            share->table_name);
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  append_identifier(thd, packet, alias, strlen(alias));
752
  packet->append(" (\n", 3);
753

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  for (ptr=table->field ; (field= *ptr); ptr++)
  {
756
    bool has_default;
757
    bool has_now_default;
758 759
    uint flags = field->flags;

760
    if (ptr != table->field)
761
      packet->append(",\n", 2);
762

763
    packet->append("  ", 2);
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    append_identifier(thd,packet,field->field_name, strlen(field->field_name));
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    packet->append(' ');
    // check for surprises from the previous call to Field::sql_type()
767
    if (type.ptr() != tmp)
768
      type.set(tmp, sizeof(tmp), system_charset_info);
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    else
      type.set_charset(system_charset_info);
771

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    field->sql_type(type);
773
    packet->append(type.ptr(), type.length(), system_charset_info);
774

775
    if (field->has_charset() && !limited_mysql_mode && !foreign_db_mode)
776
    {
777
      if (field->charset() != share->table_charset)
778
      {
779 780 781 782 783 784 785 786 787 788 789
	packet->append(" character set ", 15);
	packet->append(field->charset()->csname);
      }
      /* 
	For string types dump collation name only if 
	collation is not primary for the given charset
      */
      if (!(field->charset()->state & MY_CS_PRIMARY))
      {
	packet->append(" collate ", 9);
	packet->append(field->charset()->name);
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      }
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    }
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    if (flags & NOT_NULL_FLAG)
      packet->append(" NOT NULL", 9);
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    else if (field->type() == FIELD_TYPE_TIMESTAMP)
    {
      /*
        TIMESTAMP field require explicit NULL flag, because unlike
        all other fields they are treated as NOT NULL by default.
      */
      packet->append(" NULL", 5);
    }
803 804

    /* 
805
      Again we are using CURRENT_TIMESTAMP instead of NOW because it is
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      more standard 
    */
    has_now_default= table->timestamp_field == field && 
                     field->unireg_check != Field::TIMESTAMP_UN_FIELD;
    
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    has_default= (field->type() != FIELD_TYPE_BLOB &&
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                  !(field->flags & NO_DEFAULT_VALUE_FLAG) &&
813 814 815
		  field->unireg_check != Field::NEXT_NUMBER &&
                  !((foreign_db_mode || limited_mysql_mode) &&
                    has_now_default));
816

817
    if (has_default)
818 819
    {
      packet->append(" default ", 9);
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      if (has_now_default)
        packet->append("CURRENT_TIMESTAMP",17);
      else if (!field->is_null())
823
      {                                             // Not null by default
824
        type.set(tmp, sizeof(tmp), field->charset());
825
        field->val_str(&type);
826
	if (type.length())
827
	{
828
	  String def_val;
829
          uint dummy_errors;
830 831
	  /* convert to system_charset_info == utf8 */
	  def_val.copy(type.ptr(), type.length(), field->charset(),
832
		       system_charset_info, &dummy_errors);
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          append_unescaped(packet, def_val.ptr(), def_val.length());
	}
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        else
	  packet->append("''",2);
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      }
838
      else if (field->maybe_null())
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        packet->append("NULL", 4);                    // Null as default
      else
841
        packet->append(tmp);
842
    }
843

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    if (!foreign_db_mode && !limited_mysql_mode &&
        table->timestamp_field == field && 
        field->unireg_check != Field::TIMESTAMP_DN_FIELD)
      packet->append(" on update CURRENT_TIMESTAMP",28);

849
    if (field->unireg_check == Field::NEXT_NUMBER && !foreign_db_mode)
850 851 852 853 854 855 856
      packet->append(" auto_increment", 15 );

    if (field->comment.length)
    {
      packet->append(" COMMENT ",9);
      append_unescaped(packet, field->comment.str, field->comment.length);
    }
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  }

859 860
  key_info= table->key_info;
  file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_TIME);
861
  bzero((char*) &create_info, sizeof(create_info));
862
  file->update_create_info(&create_info);
863
  primary_key= share->primary_key;
864

865
  for (uint i=0 ; i < share->keys ; i++,key_info++)
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  {
867 868
    KEY_PART_INFO *key_part= key_info->key_part;
    bool found_primary=0;
869
    packet->append(",\n  ", 4);
870

871
    if (i == primary_key && !strcmp(key_info->name, primary_key_name))
872 873
    {
      found_primary=1;
874
      packet->append("PRIMARY ", 8);
875
    }
876
    else if (key_info->flags & HA_NOSAME)
877
      packet->append("UNIQUE ", 7);
878
    else if (key_info->flags & HA_FULLTEXT)
879
      packet->append("FULLTEXT ", 9);
880 881
    else if (key_info->flags & HA_SPATIAL)
      packet->append("SPATIAL ", 8);
882
    packet->append("KEY ", 4);
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883

884
    if (!found_primary)
885
     append_identifier(thd, packet, key_info->name, strlen(key_info->name));
886

887 888 889
    if (!(thd->variables.sql_mode & MODE_NO_KEY_OPTIONS) &&
	!limited_mysql_mode && !foreign_db_mode)
    {
890
      if (key_info->algorithm == HA_KEY_ALG_BTREE)
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        packet->append(" USING BTREE", 12);

893
      if (key_info->algorithm == HA_KEY_ALG_HASH)
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        packet->append(" USING HASH", 11);

896 897 898
      // +BAR: send USING only in non-default case: non-spatial rtree
      if ((key_info->algorithm == HA_KEY_ALG_RTREE) &&
	  !(key_info->flags & HA_SPATIAL))
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        packet->append(" USING RTREE", 12);
900

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      // No need to send USING FULLTEXT, it is sent as FULLTEXT KEY
902
    }
903
    packet->append(" (", 2);
904

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    for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
    {
907
      if (j)
908
        packet->append(',');
909

910
      if (key_part->field)
911 912
        append_identifier(thd,packet,key_part->field->field_name,
			  strlen(key_part->field->field_name));
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913
      if (!key_part->field ||
914 915 916
          (key_part->length !=
           table->field[key_part->fieldnr-1]->key_length() &&
           !(key_info->flags & HA_FULLTEXT)))
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      {
918
        buff[0] = '(';
919 920 921
        char* end=int10_to_str((long) key_part->length / 
			       key_part->field->charset()->mbmaxlen,
			       buff + 1,10);
922 923
        *end++ = ')';
        packet->append(buff,(uint) (end-buff));
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      }
    }
    packet->append(')');
  }
928

929 930 931 932
  /*
    Get possible foreign key definitions stored in InnoDB and append them
    to the CREATE TABLE statement
  */
933

934
  if ((for_str= file->get_foreign_key_create_info()))
935 936 937
  {
    packet->append(for_str, strlen(for_str));
    file->free_foreign_key_create_info(for_str);
938 939 940
  }

  packet->append("\n)", 2);
941
  if (!(thd->variables.sql_mode & MODE_NO_TABLE_OPTIONS) && !foreign_db_mode)
942
  {
943 944 945 946
    if (thd->variables.sql_mode & (MODE_MYSQL323 | MODE_MYSQL40))
      packet->append(" TYPE=", 6);
    else
      packet->append(" ENGINE=", 8);
947 948
    packet->append(file->table_type());
    
949
    if (share->table_charset &&
950 951
	!(thd->variables.sql_mode & MODE_MYSQL323) &&
	!(thd->variables.sql_mode & MODE_MYSQL40))
952
    {
953
      packet->append(" DEFAULT CHARSET=", 17);
954 955
      packet->append(share->table_charset->csname);
      if (!(share->table_charset->state & MY_CS_PRIMARY))
956
      {
957
	packet->append(" COLLATE=", 9);
958
	packet->append(table->s->table_charset->name);
959
      }
960
    }
961

962
    if (share->min_rows)
963
    {
964
      packet->append(" MIN_ROWS=", 10);
965
      end= longlong10_to_str(share->min_rows, buff, 10);
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      packet->append(buff, (uint) (end- buff));
967
    }
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969
    if (share->max_rows)
970
    {
971
      packet->append(" MAX_ROWS=", 10);
972
      end= longlong10_to_str(share->max_rows, buff, 10);
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      packet->append(buff, (uint) (end - buff));
974
    }
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975

976
    if (share->avg_row_length)
977
    {
978
      packet->append(" AVG_ROW_LENGTH=", 16);
979
      end= longlong10_to_str(share->avg_row_length, buff,10);
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      packet->append(buff, (uint) (end - buff));
981
    }
982

983
    if (share->db_create_options & HA_OPTION_PACK_KEYS)
984
      packet->append(" PACK_KEYS=1", 12);
985
    if (share->db_create_options & HA_OPTION_NO_PACK_KEYS)
986
      packet->append(" PACK_KEYS=0", 12);
987
    if (share->db_create_options & HA_OPTION_CHECKSUM)
988
      packet->append(" CHECKSUM=1", 11);
989
    if (share->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
990
      packet->append(" DELAY_KEY_WRITE=1",18);
991
    if (share->row_type != ROW_TYPE_DEFAULT)
992 993
    {
      packet->append(" ROW_FORMAT=",12);
994
      packet->append(ha_row_type[(uint) share->row_type]);
995 996
    }
    table->file->append_create_info(packet);
997
    if (share->comment && share->comment[0])
998 999
    {
      packet->append(" COMMENT=", 9);
1000
      append_unescaped(packet, share->comment, strlen(share->comment));
1001 1002 1003
    }
    if (file->raid_type)
    {
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      uint length;
      length= my_snprintf(buff,sizeof(buff),
			  " RAID_TYPE=%s RAID_CHUNKS=%d RAID_CHUNKSIZE=%ld",
			  my_raid_type(file->raid_type), file->raid_chunks,
			  file->raid_chunksize/RAID_BLOCK_SIZE);
      packet->append(buff, length);
1010
    }
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    append_directory(thd, packet, "DATA",  create_info.data_file_name);
    append_directory(thd, packet, "INDEX", create_info.index_file_name);
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  }
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  DBUG_RETURN(0);
}


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VIEW  
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static int
view_store_create_info(THD *thd, TABLE_LIST *table, String *buff)
{
  my_bool foreign_db_mode= (thd->variables.sql_mode & (MODE_POSTGRESQL |
                                                       MODE_ORACLE |
                                                       MODE_MSSQL |
                                                       MODE_DB2 |
                                                       MODE_MAXDB |
                                                       MODE_ANSI)) != 0;
  buff->append("CREATE ", 7);
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  if (!foreign_db_mode)
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  {
    buff->append("ALGORITHM=", 10);
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    switch((int8)table->algorithm)
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    {
    case VIEW_ALGORITHM_UNDEFINED:
      buff->append("UNDEFINED ", 10);
      break;
    case VIEW_ALGORITHM_TMPTABLE:
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      buff->append("TEMPTABLE ", 10);
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      break;
    case VIEW_ALGORITHM_MERGE:
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      buff->append("MERGE ", 6);
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      break;
    default:
	DBUG_ASSERT(0); // never should happen
    }
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  }
  buff->append("VIEW ", 5);
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  append_identifier(thd, buff, table->view_db.str, table->view_db.length);
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  buff->append('.');
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  append_identifier(thd, buff, table->view_name.str, table->view_name.length);
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  buff->append(" AS ", 4);
  buff->append(table->query.str, table->query.length);
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  if (table->with_check != VIEW_CHECK_NONE)
  {
    if (table->with_check == VIEW_CHECK_LOCAL)
      buff->append(" WITH LOCAL CHECK OPTION", 24);
    else
      buff->append(" WITH CASCADED CHECK OPTION", 27);
  }
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  return 0;
}


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/****************************************************************************
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  Return info about all processes
  returns for each thread: thread id, user, host, db, command, info
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****************************************************************************/

class thread_info :public ilink {
public:
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  static void *operator new(size_t size)
  {
    return (void*) sql_alloc((uint) size);
  }
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  static void operator delete(void *ptr __attribute__((unused)),
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                              size_t size __attribute__((unused)))
  { TRASH(ptr, size); }
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  ulong thread_id;
  time_t start_time;
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  uint   command;
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  const char *user,*host,*db,*proc_info,*state_info;
  char *query;
};

#ifdef __GNUC__
template class I_List<thread_info>;
#endif

void mysqld_list_processes(THD *thd,const char *user, bool verbose)
{
  Item *field;
  List<Item> field_list;
  I_List<thread_info> thread_infos;
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  ulong max_query_length= (verbose ? thd->variables.max_allowed_packet :
			   PROCESS_LIST_WIDTH);
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  Protocol *protocol= thd->protocol;
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  DBUG_ENTER("mysqld_list_processes");

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  field_list.push_back(new Item_int("Id",0,11));
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  field_list.push_back(new Item_empty_string("User",16));
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  field_list.push_back(new Item_empty_string("Host",LIST_PROCESS_HOST_LEN));
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  field_list.push_back(field=new Item_empty_string("db",NAME_LEN));
  field->maybe_null=1;
  field_list.push_back(new Item_empty_string("Command",16));
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  field_list.push_back(new Item_return_int("Time",7, FIELD_TYPE_LONG));
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  field_list.push_back(field=new Item_empty_string("State",30));
  field->maybe_null=1;
  field_list.push_back(field=new Item_empty_string("Info",max_query_length));
  field->maybe_null=1;
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  if (protocol->send_fields(&field_list,
                            Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
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    DBUG_VOID_RETURN;

  VOID(pthread_mutex_lock(&LOCK_thread_count)); // For unlink from list
  if (!thd->killed)
  {
    I_List_iterator<THD> it(threads);
    THD *tmp;
    while ((tmp=it++))
    {
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      struct st_my_thread_var *mysys_var;
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      if ((tmp->vio_ok() || tmp->system_thread) &&
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          (!user || (tmp->user && !strcmp(tmp->user,user))))
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      {
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        thread_info *thd_info=new thread_info;

        thd_info->thread_id=tmp->thread_id;
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        thd_info->user=thd->strdup(tmp->user ? tmp->user :
				   (tmp->system_thread ?
				    "system user" : "unauthenticated user"));
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	if (tmp->peer_port && (tmp->host || tmp->ip) && thd->host_or_ip[0])
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	{
	  if ((thd_info->host= thd->alloc(LIST_PROCESS_HOST_LEN+1)))
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	    my_snprintf((char *) thd_info->host, LIST_PROCESS_HOST_LEN,
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			"%s:%u", tmp->host_or_ip, tmp->peer_port);
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	}
	else
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	  thd_info->host= thd->strdup(tmp->host_or_ip);
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        if ((thd_info->db=tmp->db))             // Safe test
          thd_info->db=thd->strdup(thd_info->db);
        thd_info->command=(int) tmp->command;
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        if ((mysys_var= tmp->mysys_var))
          pthread_mutex_lock(&mysys_var->mutex);
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        thd_info->proc_info= (char*) (tmp->killed == THD::KILL_CONNECTION? "Killed" : 0);
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#ifndef EMBEDDED_LIBRARY
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        thd_info->state_info= (char*) (tmp->locked ? "Locked" :
                                       tmp->net.reading_or_writing ?
                                       (tmp->net.reading_or_writing == 2 ?
                                        "Writing to net" :
                                        thd_info->command == COM_SLEEP ? "" :
                                        "Reading from net") :
                                       tmp->proc_info ? tmp->proc_info :
                                       tmp->mysys_var &&
                                       tmp->mysys_var->current_cond ?
                                       "Waiting on cond" : NullS);
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#else
        thd_info->state_info= (char*)"Writing to net";
#endif
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        if (mysys_var)
          pthread_mutex_unlock(&mysys_var->mutex);
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#if !defined(DONT_USE_THR_ALARM) && ! defined(SCO)
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        if (pthread_kill(tmp->real_id,0))
          tmp->proc_info="*** DEAD ***";        // This shouldn't happen
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#endif
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#ifdef EXTRA_DEBUG
        thd_info->start_time= tmp->time_after_lock;
#else
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        thd_info->start_time= tmp->start_time;
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#endif
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        thd_info->query=0;
        if (tmp->query)
        {
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	  /* 
            query_length is always set to 0 when we set query = NULL; see
	    the comment in sql_class.h why this prevents crashes in possible
            races with query_length
          */
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          uint length= min(max_query_length, tmp->query_length);
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          thd_info->query=(char*) thd->strmake(tmp->query,length);
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        }
        thread_infos.append(thd_info);
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      }
    }
  }
  VOID(pthread_mutex_unlock(&LOCK_thread_count));

  thread_info *thd_info;
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  time_t now= time(0);
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  while ((thd_info=thread_infos.get()))
  {
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    protocol->prepare_for_resend();
    protocol->store((ulonglong) thd_info->thread_id);
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    protocol->store(thd_info->user, system_charset_info);
    protocol->store(thd_info->host, system_charset_info);
    protocol->store(thd_info->db, system_charset_info);
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    if (thd_info->proc_info)
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      protocol->store(thd_info->proc_info, system_charset_info);
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    else
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      protocol->store(command_name[thd_info->command], system_charset_info);
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    if (thd_info->start_time)
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      protocol->store((uint32) (now - thd_info->start_time));
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    else
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      protocol->store_null();
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    protocol->store(thd_info->state_info, system_charset_info);
    protocol->store(thd_info->query, system_charset_info);
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    if (protocol->write())
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      break; /* purecov: inspected */
  }
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  send_eof(thd);
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  DBUG_VOID_RETURN;
}

/*****************************************************************************
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  Status functions
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*****************************************************************************/

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static bool show_status_array(THD *thd, const char *wild,
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                              show_var_st *variables,
                              enum enum_var_type value_type,
                              struct system_status_var *status_var,
                              const char *prefix, TABLE *table)
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{
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  char buff[1024], *prefix_end;
  /* the variable name should not be longer then 80 characters */
  char name_buffer[80];
  int len;
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  LEX_STRING null_lex_str;
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  DBUG_ENTER("show_status_array");
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  null_lex_str.str= 0;				// For sys_var->value_ptr()
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  null_lex_str.length= 0;
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  prefix_end=strnmov(name_buffer, prefix, sizeof(name_buffer)-1);
  len=name_buffer + sizeof(name_buffer) - prefix_end;

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  for (; variables->name; variables++)
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  {
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    strnmov(prefix_end, variables->name, len);
    name_buffer[sizeof(name_buffer)-1]=0;       /* Safety */
    SHOW_TYPE show_type=variables->type;
    if (show_type == SHOW_VARS)
    {
      show_status_array(thd, wild, (show_var_st *) variables->value,
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                        value_type, status_var, variables->name, table);
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    }
    else
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    {
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      if (!(wild && wild[0] && wild_case_compare(system_charset_info,
                                                 name_buffer, wild)))
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      {
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        char *value=variables->value;
        const char *pos, *end;
        long nr;
        if (show_type == SHOW_SYS)
        {
          show_type= ((sys_var*) value)->type();
          value=     (char*) ((sys_var*) value)->value_ptr(thd, value_type,
                                                           &null_lex_str);
        }

        pos= end= buff;
        switch (show_type) {
        case SHOW_LONG_STATUS:
        case SHOW_LONG_CONST_STATUS:
          value= ((char *) status_var + (ulong) value);
          /* fall through */
        case SHOW_LONG:
        case SHOW_LONG_CONST:
          end= int10_to_str(*(long*) value, buff, 10);
          break;
        case SHOW_LONGLONG:
          end= longlong10_to_str(*(longlong*) value, buff, 10);
          break;
        case SHOW_HA_ROWS:
          end= longlong10_to_str((longlong) *(ha_rows*) value, buff, 10);
          break;
        case SHOW_BOOL:
          end= strmov(buff, *(bool*) value ? "ON" : "OFF");
          break;
        case SHOW_MY_BOOL:
          end= strmov(buff, *(my_bool*) value ? "ON" : "OFF");
          break;
        case SHOW_INT_CONST:
        case SHOW_INT:
          end= int10_to_str((long) *(uint32*) value, buff, 10);
          break;
        case SHOW_HAVE:
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        {
          SHOW_COMP_OPTION tmp= *(SHOW_COMP_OPTION*) value;
          pos= show_comp_option_name[(int) tmp];
          end= strend(pos);
          break;
        }
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        case SHOW_CHAR:
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        {
          if (!(pos= value))
            pos= "";
          end= strend(pos);
          break;
        }
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        case SHOW_STARTTIME:
          nr= (long) (thd->query_start() - start_time);
          end= int10_to_str(nr, buff, 10);
          break;
        case SHOW_QUESTION:
          end= int10_to_str((long) thd->query_id, buff, 10);
          break;
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#ifdef HAVE_REPLICATION
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        case SHOW_RPL_STATUS:
          end= strmov(buff, rpl_status_type[(int)rpl_status]);
          break;
        case SHOW_SLAVE_RUNNING:
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        {
          pthread_mutex_lock(&LOCK_active_mi);
          end= strmov(buff, (active_mi->slave_running &&
                             active_mi->rli.slave_running) ? "ON" : "OFF");
          pthread_mutex_unlock(&LOCK_active_mi);
          break;
        }
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#endif /* HAVE_REPLICATION */
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        case SHOW_OPENTABLES:
          end= int10_to_str((long) cached_tables(), buff, 10);
          break;
        case SHOW_CHAR_PTR:
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        {
          if (!(pos= *(char**) value))
            pos= "";
          end= strend(pos);
          break;
        }
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        case SHOW_DOUBLE:
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        {
          end= buff + sprintf(buff, "%f", *(double*) value);
          break;
        }
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#ifdef HAVE_OPENSSL
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          /* First group - functions relying on CTX */
        case SHOW_SSL_CTX_SESS_ACCEPT:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_accept(ssl_acceptor_fd->
                                                        ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_ACCEPT_GOOD:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_accept_good(ssl_acceptor_fd->
                                                             ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CONNECT_GOOD:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_connect_good(ssl_acceptor_fd->
                                                              ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_accept_renegotiate(ssl_acceptor_fd->ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_connect_renegotiate(ssl_acceptor_fd-> ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CB_HITS:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_cb_hits(ssl_acceptor_fd->
                                                         ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_HITS:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_hits(ssl_acceptor_fd->
                                                      ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_CACHE_FULL:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_cache_full(ssl_acceptor_fd->
                                                            ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_MISSES:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_misses(ssl_acceptor_fd->
                                                        ssl_context)),
                            buff, 10);
          break;
        case SHOW_SSL_CTX_SESS_TIMEOUTS:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_timeouts(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_SESS_NUMBER:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_number(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_SESS_CONNECT:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_connect(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_SESS_GET_CACHE_SIZE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_sess_get_cache_size(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_GET_VERIFY_MODE:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_get_verify_mode(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_GET_VERIFY_DEPTH:
          end= int10_to_str((long) (!ssl_acceptor_fd ? 0 :
                                    SSL_CTX_get_verify_depth(ssl_acceptor_fd->ssl_context)),
                            buff,10);
          break;
        case SHOW_SSL_CTX_GET_SESSION_CACHE_MODE:
          if (!ssl_acceptor_fd)
          {
            pos= "NONE";
            end= pos+4;
            break;
          }
          switch (SSL_CTX_get_session_cache_mode(ssl_acceptor_fd->ssl_context))
          {
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          case SSL_SESS_CACHE_OFF:
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            pos= "OFF";
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            break;
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          case SSL_SESS_CACHE_CLIENT:
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            pos= "CLIENT";
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            break;
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          case SSL_SESS_CACHE_SERVER:
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            pos= "SERVER";
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            break;
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          case SSL_SESS_CACHE_BOTH:
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            pos= "BOTH";
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            break;
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          case SSL_SESS_CACHE_NO_AUTO_CLEAR:
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            pos= "NO_AUTO_CLEAR";
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            break;
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          case SSL_SESS_CACHE_NO_INTERNAL_LOOKUP:
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            pos= "NO_INTERNAL_LOOKUP";
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            break;
          default:
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            pos= "Unknown";
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            break;
          }
          end= strend(pos);
          break;
          /* First group - functions relying on SSL */
        case SHOW_SSL_GET_VERSION:
          pos= (thd->net.vio->ssl_arg ?
                SSL_get_version((SSL*) thd->net.vio->ssl_arg) : "");
          end= strend(pos);
          break;
        case SHOW_SSL_SESSION_REUSED:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_session_reused((SSL*) thd->net.vio->
                                                       ssl_arg) :
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_DEFAULT_TIMEOUT:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_get_default_timeout((SSL*) thd->net.vio->
                                                            ssl_arg) :
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_VERIFY_MODE:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_get_verify_mode((SSL*) thd->net.vio->
                                                        ssl_arg):
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_VERIFY_DEPTH:
          end= int10_to_str((long) (thd->net.vio->ssl_arg ?
                                    SSL_get_verify_depth((SSL*) thd->net.vio->
                                                         ssl_arg):
                                    0),
                            buff, 10);
          break;
        case SHOW_SSL_GET_CIPHER:
          pos= (thd->net.vio->ssl_arg ?
                SSL_get_cipher((SSL*) thd->net.vio->ssl_arg) : "" );
          end= strend(pos);
          break;
        case SHOW_SSL_GET_CIPHER_LIST:
          if (thd->net.vio->ssl_arg)
          {
            char *to= buff;
            for (int i=0 ; i++ ;)
            {
              const char *p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i);
              if (p == NULL)
                break;
              to= strmov(to, p);
              *to++= ':';
            }
            if (to != buff)
              to--;				// Remove last ':'
            end= to;
          }
          break;
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#endif /* HAVE_OPENSSL */
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        case SHOW_KEY_CACHE_LONG:
        case SHOW_KEY_CACHE_CONST_LONG:
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          value= (value-(char*) &dflt_key_cache_var)+ (char*) dflt_key_cache;
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          end= int10_to_str(*(long*) value, buff, 10);
          break;
        case SHOW_UNDEF:				// Show never happen
        case SHOW_SYS:
          break;					// Return empty string
        default:
          break;
        }
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        restore_record(table, s->default_values);
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        table->field[0]->store(name_buffer, strlen(name_buffer),
                               system_charset_info);
        table->field[1]->store(pos, (uint32) (end - pos), system_charset_info);
        table->file->write_row(table->record[0]);        
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      }
    }
  }
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  DBUG_RETURN(FALSE);
}


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/* collect status for all running threads */

void calc_sum_of_all_status(STATUS_VAR *to)
{
  DBUG_ENTER("calc_sum_of_all_status");

  /* Ensure that thread id not killed during loop */
  VOID(pthread_mutex_lock(&LOCK_thread_count)); // For unlink from list

  I_List_iterator<THD> it(threads);
  THD *tmp;
  
  /* Get global values as base */
  *to= global_status_var;
  
  /* Add to this status from existing threads */
  while ((tmp= it++))
    add_to_status(to, &tmp->status_var);
  
  VOID(pthread_mutex_unlock(&LOCK_thread_count));
  DBUG_VOID_RETURN;
}


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LEX_STRING *make_lex_string(THD *thd, LEX_STRING *lex_str,
                            const char* str, uint length,
                            bool allocate_lex_string)
{
  MEM_ROOT *mem= thd->mem_root;
  if (allocate_lex_string)
    lex_str= (LEX_STRING *)thd->alloc(sizeof(LEX_STRING));
  lex_str->str= strmake_root(mem, str, length);
  lex_str->length= length;
  return lex_str;
}


/* INFORMATION_SCHEMA name */
LEX_STRING information_schema_name= {(char*)"information_schema", 18};
extern ST_SCHEMA_TABLE schema_tables[];

typedef struct st_index_field_values
{
  const char *db_value, *table_value;
} INDEX_FIELD_VALUES;


void get_index_field_values(LEX *lex, INDEX_FIELD_VALUES *index_field_values)
{
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
  switch (lex->orig_sql_command) {
  case SQLCOM_SHOW_DATABASES:
    index_field_values->db_value= wild;
    break;
  case SQLCOM_SHOW_TABLES:
  case SQLCOM_SHOW_TABLE_STATUS:
    index_field_values->db_value= lex->current_select->db;
    index_field_values->table_value= wild;
    break;
  default:
    index_field_values->db_value= NullS;
    index_field_values->table_value= NullS;
    break;
  }
}


int make_table_list(THD *thd, SELECT_LEX *sel,
                    char *db, char *table)
{
  Table_ident *table_ident;
  LEX_STRING ident_db, ident_table;
  ident_db.str= db; 
  ident_db.length= strlen(db);
  ident_table.str= table;
  ident_table.length= strlen(table);
  table_ident= new Table_ident(thd, ident_db, ident_table, 1);
  sel->init_query();
  if(!sel->add_table_to_list(thd, table_ident, 0, 0, TL_READ,
                             (List<String> *) 0, (List<String> *) 0))
    return 1;
  return 0;
}


bool uses_only_table_name_fields(Item *item, TABLE_LIST *table)
{
  if (item->type() == Item::FUNC_ITEM)
  {
    Item_func *item_func= (Item_func*)item;
    Item **child;
    Item **item_end= (item_func->arguments()) + item_func->argument_count();
    for (child= item_func->arguments(); child != item_end; child++)
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    {
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      if (!uses_only_table_name_fields(*child, table))
        return 0;
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    }
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  }
  else if (item->type() == Item::FIELD_ITEM)
  {
    Item_field *item_field= (Item_field*)item;
    CHARSET_INFO *cs= system_charset_info;
    ST_SCHEMA_TABLE *schema_table= table->schema_table;
    ST_FIELD_INFO *field_info= schema_table->fields_info;
    const char *field_name1= field_info[schema_table->idx_field1].field_name;
    const char *field_name2= field_info[schema_table->idx_field2].field_name;
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    if (table->table != item_field->field->table ||
        (cs->coll->strnncollsp(cs, (uchar *) field_name1, strlen(field_name1),
                               (uchar *) item_field->field_name, 
                               strlen(item_field->field_name), 0) &&
         cs->coll->strnncollsp(cs, (uchar *) field_name2, strlen(field_name2),
                               (uchar *) item_field->field_name, 
                               strlen(item_field->field_name), 0)))
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      return 0;
  }
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  if (item->type() == Item::SUBSELECT_ITEM &&
      !item->const_item())
    return 0;

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  return 1;
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}


static COND * make_cond_for_info_schema(COND *cond, TABLE_LIST *table)
{
  if (!cond)
    return (COND*) 0;
  if (cond->type() == Item::COND_ITEM)
  {
    if (((Item_cond*) cond)->functype() == Item_func::COND_AND_FUNC)
    {
      /* Create new top level AND item */
      Item_cond_and *new_cond=new Item_cond_and;
      if (!new_cond)
	return (COND*) 0;
      List_iterator<Item> li(*((Item_cond*) cond)->argument_list());
      Item *item;
      while ((item=li++))
      {
	Item *fix= make_cond_for_info_schema(item, table);
	if (fix)
	  new_cond->argument_list()->push_back(fix);
      }
      switch (new_cond->argument_list()->elements) {
      case 0:
	return (COND*) 0;
      case 1:
	return new_cond->argument_list()->head();
      default:
	new_cond->quick_fix_field();
	return new_cond;
      }
    }
    else
    {						// Or list
      Item_cond_or *new_cond=new Item_cond_or;
      if (!new_cond)
	return (COND*) 0;
      List_iterator<Item> li(*((Item_cond*) cond)->argument_list());
      Item *item;
      while ((item=li++))
      {
	Item *fix=make_cond_for_info_schema(item, table);
	if (!fix)
	  return (COND*) 0;
	new_cond->argument_list()->push_back(fix);
      }
      new_cond->quick_fix_field();
      new_cond->top_level_item();
      return new_cond;
    }
  }

  if (!uses_only_table_name_fields(cond, table))
    return (COND*) 0;
  return cond;
}


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enum enum_schema_tables get_schema_table_idx(ST_SCHEMA_TABLE *schema_table)
{
  return (enum enum_schema_tables) (schema_table - &schema_tables[0]);
}


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/*
  Add 'information_schema' name to db_names list

  SYNOPSIS
    schema_db_add()
    thd                   thread handler
    files                 list of db names
    wild                  wild string
    with_i_schema         returns 1 if we added 'IS' name to list
                          otherwise returns 0

  RETURN
    1	                  error
    0	                  success
*/

int schema_db_add(THD *thd, List<char> *files,
                  const char *wild, bool *with_i_schema)
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{
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  *with_i_schema= 0;
  if (!wild || !wild_compare(information_schema_name.str, wild, 0))
  {
    *with_i_schema= 1;
    if (files->push_back(thd->strdup(information_schema_name.str)))
      return 1;
  }
  return 0;
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}


int schema_tables_add(THD *thd, List<char> *files, const char *wild)
{
  ST_SCHEMA_TABLE *tmp_schema_table= schema_tables;
  for ( ; tmp_schema_table->table_name; tmp_schema_table++)
  {
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    if (tmp_schema_table->hidden)
      continue;
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    if (wild)
    {
      if (lower_case_table_names)
      {
        if (wild_case_compare(files_charset_info,
                              tmp_schema_table->table_name,
                              wild))
          continue;
      }
      else if (wild_compare(tmp_schema_table->table_name, wild, 0))
        continue;
    }
    if (files->push_back(thd->strdup(tmp_schema_table->table_name)))
      return 1;
  }
  return 0;
}


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int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
{
  LEX *lex= thd->lex;
  TABLE *table= tables->table;
  SELECT_LEX *select_lex= &lex->select_lex;
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  SELECT_LEX *old_all_select_lex= lex->all_selects_list;
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  SELECT_LEX *lsel= tables->schema_select_lex;
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  ST_SCHEMA_TABLE *schema_table= tables->schema_table;
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  SELECT_LEX sel;
  INDEX_FIELD_VALUES idx_field_vals;
  char path[FN_REFLEN], *end, *base_name, *file_name;
  uint len;
  bool with_i_schema;
  enum enum_schema_tables schema_table_idx;
  thr_lock_type lock_type;
  List<char> bases;
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  List_iterator_fast<char> it(bases);
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  COND *partial_cond; 
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  uint derived_tables= lex->derived_tables; 
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  int error= 1;
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  DBUG_ENTER("get_all_tables");

  LINT_INIT(end);
  LINT_INIT(len);
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  if (lsel)
  {
    TABLE *old_open_tables= thd->open_tables;
    TABLE_LIST *show_table_list= (TABLE_LIST*) lsel->table_list.first;
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    bool res;

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    lex->all_selects_list= lsel;
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    res= open_and_lock_tables(thd, show_table_list);
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    if (schema_table->process_table(thd, show_table_list,
                                    table, res, show_table_list->db,
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                                    show_table_list->alias))
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      goto err;
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    close_thread_tables(thd, 0, 0, old_open_tables);
    show_table_list->table= 0;
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    error= 0;
    goto err;
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  }

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  schema_table_idx= get_schema_table_idx(schema_table);
  lock_type= TL_UNLOCK;

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  if (schema_table_idx == SCH_TABLES)
    lock_type= TL_READ;
  get_index_field_values(lex, &idx_field_vals);
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  /* information schema name always is first in list */
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  if (schema_db_add(thd, &bases, idx_field_vals.db_value, &with_i_schema))
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    goto err;
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  if (mysql_find_files(thd, &bases, NullS, mysql_data_home,
		       idx_field_vals.db_value, 1))
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    goto err;
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  partial_cond= make_cond_for_info_schema(cond, tables);
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  it.rewind(); /* To get access to new elements in basis list */
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  while ((base_name= it++) ||
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	 /*
	   generate error for non existing database.
	   (to save old behaviour for SHOW TABLES FROM db)
	 */
	 ((lex->orig_sql_command == SQLCOM_SHOW_TABLES ||
           lex->orig_sql_command == SQLCOM_SHOW_TABLE_STATUS) &&
	  (base_name= select_lex->db) && !bases.elements))
  {
#ifndef NO_EMBEDDED_ACCESS_CHECKS
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    if (with_i_schema ||   // don't check the rights if information schema db
        !check_access(thd,SELECT_ACL, base_name, &thd->col_access,0,1) ||
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        thd->master_access & (DB_ACLS | SHOW_DB_ACL) ||
	acl_get(thd->host, thd->ip, thd->priv_user, base_name,0) ||
	(grant_option && !check_grant_db(thd, base_name)))
#endif
    {
      List<char> files;
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      if (with_i_schema)                      // information schema table names
      {
        if (schema_tables_add(thd, &files, idx_field_vals.table_value))
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          goto err;
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      }
      else
      {
        strxmov(path, mysql_data_home, "/", base_name, NullS);
        end= path + (len= unpack_dirname(path,path));
        len= FN_LEN - len;
        if (mysql_find_files(thd, &files, base_name, 
                             path, idx_field_vals.table_value, 0))
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          goto err;
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      }
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      List_iterator_fast<char> it_files(files);
      while ((file_name= it_files++))
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      {
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	restore_record(table, s->default_values);
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        table->field[schema_table->idx_field1]->
          store(base_name, strlen(base_name), system_charset_info);
        table->field[schema_table->idx_field2]->
          store(file_name, strlen(file_name),system_charset_info);
        if (!partial_cond || partial_cond->val_int())
        {
          if (schema_table_idx == SCH_TABLE_NAMES)
          {
            if (lex->verbose || lex->orig_sql_command == SQLCOM_END)
            {
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              if (with_i_schema)
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              {
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                table->field[3]->store("TEMPORARY", 9, system_charset_info);
              }
              else
              {
                my_snprintf(end, len, "/%s%s", file_name, reg_ext);
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                switch (mysql_frm_type(path)) {
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                case FRMTYPE_ERROR:
                  table->field[3]->store("ERROR", 5, system_charset_info);
                  break;
                case FRMTYPE_TABLE:
                  table->field[3]->store("BASE TABLE", 10, system_charset_info);
                  break;
                case FRMTYPE_VIEW:
                  table->field[3]->store("VIEW", 4, system_charset_info);
                  break;
                default:
                  DBUG_ASSERT(0);
                }
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              }
            }
            table->file->write_row(table->record[0]);
          }
          else
          {
            int res;
            TABLE *old_open_tables= thd->open_tables;
            if (make_table_list(thd, &sel, base_name, file_name))
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              goto err;
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            TABLE_LIST *show_table_list= (TABLE_LIST*) sel.table_list.first;
            show_table_list->lock_type= lock_type;
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            lex->all_selects_list= &sel;
            lex->derived_tables= 0;
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            res= open_and_lock_tables(thd, show_table_list);
            if (schema_table->process_table(thd, show_table_list, table,
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                                            res, base_name,
                                            show_table_list->alias))
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              goto err;
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            close_thread_tables(thd, 0, 0, old_open_tables);
          }
        }
      }
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      /*
        If we have information schema its always the first table and only
        the first table. Reset for other tables.
      */
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      with_i_schema= 0;
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    }
  }
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  error= 0;
err:
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  lex->derived_tables= derived_tables;
  lex->all_selects_list= old_all_select_lex;
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  DBUG_RETURN(error);
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}


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void store_schema_shemata(TABLE *table, const char *db_name,
                          const char* cs_name)
{
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  restore_record(table, s->default_values);
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  table->field[1]->store(db_name, strlen(db_name), system_charset_info);
  table->field[2]->store(cs_name, strlen(cs_name), system_charset_info);
  table->file->write_row(table->record[0]);
}


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int fill_schema_shemata(THD *thd, TABLE_LIST *tables, COND *cond)
{
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  char path[FN_REFLEN];
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  bool found_libchar;
  INDEX_FIELD_VALUES idx_field_vals;
  List<char> files;
  char *file_name;
  uint length;
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  bool with_i_schema;
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  HA_CREATE_INFO create;
  TABLE *table= tables->table;
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  DBUG_ENTER("fill_schema_shemata");
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  get_index_field_values(thd->lex, &idx_field_vals);
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  /* information schema name always is first in list */
  if (schema_db_add(thd, &files, idx_field_vals.db_value, &with_i_schema))
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    DBUG_RETURN(1);
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  if (mysql_find_files(thd, &files, NullS, mysql_data_home,
                       idx_field_vals.db_value, 1))
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    DBUG_RETURN(1);
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  List_iterator_fast<char> it(files);
  while ((file_name=it++))
  {
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    if (with_i_schema)       // information schema name is always first in list
    {
      store_schema_shemata(table, file_name, system_charset_info->csname);
      with_i_schema= 0;
      continue;
    }
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#ifndef NO_EMBEDDED_ACCESS_CHECKS
    if (thd->master_access & (DB_ACLS | SHOW_DB_ACL) ||
	acl_get(thd->host, thd->ip, thd->priv_user, file_name,0) ||
	(grant_option && !check_grant_db(thd, file_name)))
#endif
    {
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      strxmov(path, mysql_data_home, "/", file_name, NullS);
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      length=unpack_dirname(path,path);		// Convert if not unix
      found_libchar= 0;
      if (length && path[length-1] == FN_LIBCHAR)
      {
	found_libchar= 1;
	path[length-1]=0;			// remove ending '\'
      }

      if (found_libchar)
	path[length-1]= FN_LIBCHAR;
      strmov(path+length, MY_DB_OPT_FILE);
      load_db_opt(thd, path, &create);
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      store_schema_shemata(table, file_name,
                           create.default_table_charset->csname);
2004 2005
    }
  }
2006
  DBUG_RETURN(0);
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}


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static int get_schema_tables_record(THD *thd, struct st_table_list *tables,
				    TABLE *table, bool res,
				    const char *base_name,
				    const char *file_name)
2014 2015 2016 2017 2018
{
  const char *tmp_buff;
  TIME time;
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_tables_record");
2019 2020

  restore_record(table, s->default_values);
2021 2022
  table->field[1]->store(base_name, strlen(base_name), cs);
  table->field[2]->store(file_name, strlen(file_name), cs);
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  if (res)
  {
    /*
      there was errors during opening tables
    */
    const char *error= thd->net.last_error;
    table->field[20]->store(error, strlen(error), cs);
    thd->clear_error();
  }
  else if (tables->view)
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  {
    table->field[3]->store("VIEW", 4, cs);
    table->field[20]->store("view", 4, cs);
  }
  else
  {
    TABLE *show_table= tables->table;
2040
    TABLE_SHARE *share= show_table->s;
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    handler *file= show_table->file;
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    file->info(HA_STATUS_VARIABLE | HA_STATUS_TIME | HA_STATUS_NO_LOCK);
2044
    if (share->tmp_table == TMP_TABLE)
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      table->field[3]->store("TEMPORARY", 9, cs);
    else
      table->field[3]->store("BASE TABLE", 10, cs);

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    for (int i= 4; i < 20; i++)
    {
2051
      if (i == 7 || (i > 12 && i < 17) || i == 18)
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        continue;
      table->field[i]->set_notnull();
    }
    tmp_buff= file->table_type();
    table->field[4]->store(tmp_buff, strlen(tmp_buff), cs);
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    table->field[5]->store((longlong) share->frm_version);
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    enum row_type row_type = file->get_row_type();
    switch (row_type) {
    case ROW_TYPE_NOT_USED:
    case ROW_TYPE_DEFAULT:
      tmp_buff= ((share->db_options_in_use &
		  HA_OPTION_COMPRESS_RECORD) ? "Compressed" :
		 (share->db_options_in_use & HA_OPTION_PACK_RECORD) ?
		 "Dynamic" : "Fixed");
      break;
    case ROW_TYPE_FIXED:
      tmp_buff= "Fixed";
      break;
    case ROW_TYPE_DYNAMIC:
      tmp_buff= "Dynamic";
      break;
    case ROW_TYPE_COMPRESSED:
      tmp_buff= "Compressed";
      break;
    case ROW_TYPE_REDUNDANT:
      tmp_buff= "Redundant";
      break;
    case ROW_TYPE_COMPACT:
      tmp_buff= "Compact";
      break;
    }
2083
    table->field[6]->store(tmp_buff, strlen(tmp_buff), cs);
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    if (!tables->schema_table)
    {
      table->field[7]->store((longlong) file->records);
      table->field[7]->set_notnull();
    }
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    table->field[8]->store((longlong) file->mean_rec_length);
    table->field[9]->store((longlong) file->data_file_length);
    if (file->max_data_file_length)
    {
      table->field[10]->store((longlong) file->max_data_file_length);
    }
    table->field[11]->store((longlong) file->index_file_length);
    table->field[12]->store((longlong) file->delete_length);
2097
    if (show_table->found_next_number_field)
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    {
      show_table->next_number_field=show_table->found_next_number_field;
      show_table->next_number_field->reset();
      file->update_auto_increment();
      table->field[13]->store((longlong) show_table->
                              next_number_field->val_int());
      table->field[13]->set_notnull();
      show_table->next_number_field=0;
    }
    if (file->create_time)
    {
      thd->variables.time_zone->gmt_sec_to_TIME(&time,
                                                file->create_time);
      table->field[14]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
      table->field[14]->set_notnull();
    }
    if (file->update_time)
    {
      thd->variables.time_zone->gmt_sec_to_TIME(&time,
                                                file->update_time);
      table->field[15]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
      table->field[15]->set_notnull();
    }
    if (file->check_time)
    {
      thd->variables.time_zone->gmt_sec_to_TIME(&time, file->check_time);
      table->field[16]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
      table->field[16]->set_notnull();
    }
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    tmp_buff= (share->table_charset ?
               share->table_charset->name : "default");
2129
    table->field[17]->store(tmp_buff, strlen(tmp_buff), cs);
2130
    if (file->table_flags() & (ulong) HA_HAS_CHECKSUM)
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    {
      table->field[18]->store((longlong) file->checksum());
      table->field[18]->set_notnull();
    }

    char option_buff[350],*ptr;
    ptr=option_buff;
2138
    if (share->min_rows)
2139 2140
    {
      ptr=strmov(ptr," min_rows=");
2141
      ptr=longlong10_to_str(share->min_rows,ptr,10);
2142
    }
2143
    if (share->max_rows)
2144 2145
    {
      ptr=strmov(ptr," max_rows=");
2146
      ptr=longlong10_to_str(share->max_rows,ptr,10);
2147
    }
2148
    if (share->avg_row_length)
2149 2150
    {
      ptr=strmov(ptr," avg_row_length=");
2151
      ptr=longlong10_to_str(share->avg_row_length,ptr,10);
2152
    }
2153
    if (share->db_create_options & HA_OPTION_PACK_KEYS)
2154
      ptr=strmov(ptr," pack_keys=1");
2155
    if (share->db_create_options & HA_OPTION_NO_PACK_KEYS)
2156
      ptr=strmov(ptr," pack_keys=0");
2157
    if (share->db_create_options & HA_OPTION_CHECKSUM)
2158
      ptr=strmov(ptr," checksum=1");
2159
    if (share->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
2160
      ptr=strmov(ptr," delay_key_write=1");
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    if (share->row_type != ROW_TYPE_DEFAULT)
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      ptr=strxmov(ptr, " row_format=", 
2163
                  ha_row_type[(uint) share->row_type],
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                  NullS);
    if (file->raid_type)
    {
      char buff[100];
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      my_snprintf(buff,sizeof(buff),
                  " raid_type=%s raid_chunks=%d raid_chunksize=%ld",
                  my_raid_type(file->raid_type), file->raid_chunks,
                  file->raid_chunksize/RAID_BLOCK_SIZE);
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      ptr=strmov(ptr,buff);
    }
    table->field[19]->store(option_buff+1,
                            (ptr == option_buff ? 0 : 
                             (uint) (ptr-option_buff)-1), cs);
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    {
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      char *comment;
      comment= show_table->file->update_table_comment(share->comment);
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      if (comment)
      {
        table->field[20]->store(comment, strlen(comment), cs);
2183 2184
        if (comment != share->comment)
          my_free(comment, MYF(0));
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      }
    }
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  }
  table->file->write_row(table->record[0]);
  DBUG_RETURN(0);
}


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static int get_schema_column_record(THD *thd, struct st_table_list *tables,
				    TABLE *table, bool res,
				    const char *base_name,
				    const char *file_name)
2197
{
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  LEX *lex= thd->lex;
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
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  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_column_record");
  if (res)
  {
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    if (lex->orig_sql_command != SQLCOM_SHOW_FIELDS)
    {
      /*
        I.e. we are in SELECT FROM INFORMATION_SCHEMA.COLUMS
        rather than in SHOW COLUMNS
      */ 
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
      thd->clear_error();
      res= 0;
    }
    DBUG_RETURN(res);
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  }

  TABLE *show_table= tables->table;
  handler *file= show_table->file;
  file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
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  restore_record(show_table, s->default_values);
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  Field **ptr,*field;
  int count= 0;
  for (ptr=show_table->field; (field= *ptr) ; ptr++)
  {
    if (!wild || !wild[0] || 
        !wild_case_compare(system_charset_info, field->field_name,wild))
    {
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      const char *tmp_buff;
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      byte *pos;
      uint flags=field->flags;
      char tmp[MAX_FIELD_WIDTH];
      char tmp1[MAX_FIELD_WIDTH];
      String type(tmp,sizeof(tmp), system_charset_info);
      count++;
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      restore_record(table, s->default_values);
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      table->field[1]->store(base_name, strlen(base_name), cs);
      table->field[2]->store(file_name, strlen(file_name), cs);
      table->field[3]->store(field->field_name, strlen(field->field_name),
                             cs);
      table->field[4]->store((longlong) count);
      field->sql_type(type);
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      table->field[14]->store(type.ptr(), type.length(), cs);		
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      tmp_buff= strchr(type.ptr(), '(');
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      table->field[7]->store(type.ptr(),
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                             (tmp_buff ? tmp_buff - type.ptr() :
                              type.length()), cs);
      if (show_table->timestamp_field == field &&
          field->unireg_check != Field::TIMESTAMP_UN_FIELD)
      {
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        table->field[5]->store("CURRENT_TIMESTAMP", 17, cs);
        table->field[5]->set_notnull();
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      }
      else if (field->unireg_check != Field::NEXT_NUMBER &&
               !field->is_null() &&
               !(field->flags & NO_DEFAULT_VALUE_FLAG))
      {
        String def(tmp1,sizeof(tmp1), cs);
        type.set(tmp, sizeof(tmp), field->charset());
        field->val_str(&type);
        uint dummy_errors;
        def.copy(type.ptr(), type.length(), type.charset(), cs, &dummy_errors);
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        table->field[5]->store(def.ptr(), def.length(), def.charset());
        table->field[5]->set_notnull();
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      }
      else if (field->unireg_check == Field::NEXT_NUMBER ||
               field->maybe_null())
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        table->field[5]->set_null();                // Null as default
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      else
      {
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        table->field[5]->store("",0, cs);
        table->field[5]->set_notnull();
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      }
      pos=(byte*) ((flags & NOT_NULL_FLAG) &&
                   field->type() != FIELD_TYPE_TIMESTAMP ?
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                   "NO" : "YES");
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      table->field[6]->store((const char*) pos,
                             strlen((const char*) pos), cs);
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      if (field->has_charset())
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        table->field[8]->store((longlong) field->representation_length()/
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                               field->charset()->mbmaxlen);
2282
      else
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        table->field[8]->store((longlong) field->representation_length());
      table->field[9]->store((longlong) field->representation_length());
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      {
        uint dec =field->decimals();
        switch (field->type()) {
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        case FIELD_TYPE_NEWDECIMAL:
          table->field[10]->store((longlong) field->field_length);
          table->field[10]->set_notnull();
          table->field[11]->store((longlong) field->decimals());
          table->field[11]->set_notnull();
          break;
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        case FIELD_TYPE_DECIMAL:
        {
          uint int_part=field->field_length - (dec  ? dec + 1 : 0);
          table->field[10]->store((longlong) (int_part + dec - 1));
          table->field[10]->set_notnull();
          table->field[11]->store((longlong) field->decimals());
          table->field[11]->set_notnull();
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          break;
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        }
        case FIELD_TYPE_TINY:
        case FIELD_TYPE_SHORT:
        case FIELD_TYPE_LONG:
        case FIELD_TYPE_LONGLONG:
        case FIELD_TYPE_INT24:
        case FIELD_TYPE_FLOAT:  
        case FIELD_TYPE_DOUBLE:
        {
          table->field[10]->store((longlong) field->field_length);
          table->field[10]->set_notnull();
          if (dec != NOT_FIXED_DEC)
          {
            table->field[11]->store((longlong) dec);
            table->field[11]->set_notnull();
          }
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          break;
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        }
        default:
          break;
        }
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      }
      if (field->has_charset())
      {
        pos=(byte*) field->charset()->csname;
        table->field[12]->store((const char*) pos,
                                strlen((const char*) pos), cs);
        table->field[12]->set_notnull();
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        pos=(byte*) field->charset()->name;
        table->field[13]->store((const char*) pos,
                                strlen((const char*) pos), cs);
        table->field[13]->set_notnull();
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      }
      pos=(byte*) ((field->flags & PRI_KEY_FLAG) ? "PRI" :
                   (field->flags & UNIQUE_KEY_FLAG) ? "UNI" :
                   (field->flags & MULTIPLE_KEY_FLAG) ? "MUL":"");
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      table->field[15]->store((const char*) pos,
2340
                              strlen((const char*) pos), cs);
2341
      char *end= tmp;
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      if (field->unireg_check == Field::NEXT_NUMBER)
        end=strmov(tmp,"auto_increment");
      table->field[16]->store(tmp, (uint) (end-tmp), cs);
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      end=tmp;
2347
#ifndef NO_EMBEDDED_ACCESS_CHECKS
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      uint col_access;
      check_access(thd,SELECT_ACL | EXTRA_ACL, base_name,
                   &tables->grant.privilege, 0, 0);
      col_access= get_column_grant(thd, &tables->grant, tables->db,
2352
                                   tables->table_name,
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                                   field->field_name) & COL_ACLS;
      for (uint bitnr=0; col_access ; col_access>>=1,bitnr++)
      {
        if (col_access & 1)
2357
        {
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2358 2359
          *end++=',';
          end=strmov(end,grant_types.type_names[bitnr]);
2360
        }
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2361
      }
2362
#else
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2363
      end=strmov(end,"");
2364
#endif
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      table->field[17]->store(tmp+1,end == tmp ? 0 : (uint) (end-tmp-1), cs);
      table->field[18]->store(field->comment.str, field->comment.length, cs);
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      table->file->write_row(table->record[0]);
    }
  }
  DBUG_RETURN(0);
}



int fill_schema_charsets(THD *thd, TABLE_LIST *tables, COND *cond)
{
  CHARSET_INFO **cs;
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  TABLE *table= tables->table;
  CHARSET_INFO *scs= system_charset_info;
  for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
  {
    CHARSET_INFO *tmp_cs= cs[0];
    if (tmp_cs && (tmp_cs->state & MY_CS_PRIMARY) && 
        (tmp_cs->state & MY_CS_AVAILABLE) &&
        !(wild && wild[0] &&
	  wild_case_compare(scs, tmp_cs->csname,wild)))
    {
2389
      restore_record(table, s->default_values);
2390
      table->field[0]->store(tmp_cs->csname, strlen(tmp_cs->csname), scs);
2391 2392
      table->field[1]->store(tmp_cs->name, strlen(tmp_cs->name), scs);
      table->field[2]->store(tmp_cs->comment ? tmp_cs->comment : "",
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			     strlen(tmp_cs->comment ? tmp_cs->comment : ""),
                             scs);
      table->field[3]->store((longlong) tmp_cs->mbmaxlen);
      table->file->write_row(table->record[0]);
    }
  }
  return 0;
}


int fill_schema_collation(THD *thd, TABLE_LIST *tables, COND *cond)
{
  CHARSET_INFO **cs;
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  TABLE *table= tables->table;
  CHARSET_INFO *scs= system_charset_info;
  for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
  {
    CHARSET_INFO **cl;
    CHARSET_INFO *tmp_cs= cs[0];
    if (!tmp_cs || !(tmp_cs->state & MY_CS_AVAILABLE) || 
        !(tmp_cs->state & MY_CS_PRIMARY))
      continue;
    for ( cl= all_charsets; cl < all_charsets+255 ;cl ++)
    {
      CHARSET_INFO *tmp_cl= cl[0];
      if (!tmp_cl || !(tmp_cl->state & MY_CS_AVAILABLE) || 
          !my_charset_same(tmp_cs, tmp_cl))
	continue;
      if (!(wild && wild[0] &&
	  wild_case_compare(scs, tmp_cl->name,wild)))
      {
	const char *tmp_buff;
2426
	restore_record(table, s->default_values);
2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460
	table->field[0]->store(tmp_cl->name, strlen(tmp_cl->name), scs);
        table->field[1]->store(tmp_cl->csname , strlen(tmp_cl->csname), scs);
        table->field[2]->store((longlong) tmp_cl->number);
        tmp_buff= (tmp_cl->state & MY_CS_PRIMARY) ? "Yes" : "";
	table->field[3]->store(tmp_buff, strlen(tmp_buff), scs);
        tmp_buff= (tmp_cl->state & MY_CS_COMPILED)? "Yes" : "";
	table->field[4]->store(tmp_buff, strlen(tmp_buff), scs);
        table->field[5]->store((longlong) tmp_cl->strxfrm_multiply);
	table->file->write_row(table->record[0]);
      }
    }
  }
  return 0;
}


int fill_schema_coll_charset_app(THD *thd, TABLE_LIST *tables, COND *cond)
{
  CHARSET_INFO **cs;
  TABLE *table= tables->table;
  CHARSET_INFO *scs= system_charset_info;
  for ( cs= all_charsets ; cs < all_charsets+255 ; cs++ )
  {
    CHARSET_INFO **cl;
    CHARSET_INFO *tmp_cs= cs[0];
    if (!tmp_cs || !(tmp_cs->state & MY_CS_AVAILABLE) || 
        !(tmp_cs->state & MY_CS_PRIMARY))
      continue;
    for ( cl= all_charsets; cl < all_charsets+255 ;cl ++)
    {
      CHARSET_INFO *tmp_cl= cl[0];
      if (!tmp_cl || !(tmp_cl->state & MY_CS_AVAILABLE) || 
          !my_charset_same(tmp_cs,tmp_cl))
	continue;
2461
      restore_record(table, s->default_values);
2462 2463 2464 2465 2466 2467 2468 2469 2470
      table->field[0]->store(tmp_cl->name, strlen(tmp_cl->name), scs);
      table->field[1]->store(tmp_cl->csname , strlen(tmp_cl->csname), scs);
      table->file->write_row(table->record[0]);
    }
  }
  return 0;
}


2471 2472
void store_schema_proc(THD *thd, TABLE *table, TABLE *proc_table,
                       const char *wild, bool full_access, const char *sp_user)
2473 2474 2475 2476 2477
{
  String tmp_string;
  TIME time;
  LEX *lex= thd->lex;
  CHARSET_INFO *cs= system_charset_info;
2478 2479 2480 2481 2482 2483
  const char *sp_db, *sp_name, *definer;
  sp_db= get_field(thd->mem_root, proc_table->field[0]);
  sp_name= get_field(thd->mem_root, proc_table->field[1]);
  definer= get_field(thd->mem_root, proc_table->field[11]);
  if (!full_access)
    full_access= !strcmp(sp_user, definer);
2484 2485
  if (!full_access && check_some_routine_access(thd, sp_db, sp_name))
    return;
2486

2487 2488 2489 2490 2491 2492
  if (lex->orig_sql_command == SQLCOM_SHOW_STATUS_PROC &&
      proc_table->field[2]->val_int() == TYPE_ENUM_PROCEDURE ||
      lex->orig_sql_command == SQLCOM_SHOW_STATUS_FUNC &&
      proc_table->field[2]->val_int() == TYPE_ENUM_FUNCTION ||
      lex->orig_sql_command == SQLCOM_END)
  {
2493 2494
    restore_record(table, s->default_values);
    if (!wild || !wild[0] || !wild_compare(sp_name, wild, 0))
2495
    {
2496
      table->field[3]->store(sp_name, strlen(sp_name), cs);
2497 2498
      get_field(thd->mem_root, proc_table->field[3], &tmp_string);
      table->field[0]->store(tmp_string.ptr(), tmp_string.length(), cs);
2499
      table->field[2]->store(sp_db, strlen(sp_db), cs);
2500 2501
      get_field(thd->mem_root, proc_table->field[2], &tmp_string);
      table->field[4]->store(tmp_string.ptr(), tmp_string.length(), cs);
2502 2503 2504 2505 2506 2507
      if (proc_table->field[2]->val_int() == TYPE_ENUM_FUNCTION)
      {
        get_field(thd->mem_root, proc_table->field[9], &tmp_string);
        table->field[5]->store(tmp_string.ptr(), tmp_string.length(), cs);
        table->field[5]->set_notnull();
      }
2508 2509 2510 2511 2512
      if (full_access)
      {
        get_field(thd->mem_root, proc_table->field[10], &tmp_string);
        table->field[7]->store(tmp_string.ptr(), tmp_string.length(), cs);
      }
2513
      table->field[6]->store("SQL", 3, cs);
2514
      table->field[10]->store("SQL", 3, cs);
2515
      get_field(thd->mem_root, proc_table->field[6], &tmp_string);
2516
      table->field[11]->store(tmp_string.ptr(), tmp_string.length(), cs);
2517 2518 2519 2520
      if (proc_table->field[5]->val_int() == SP_CONTAINS_SQL)
      {
        table->field[12]->store("CONTAINS SQL", 12 , cs);
      }
2521 2522
      get_field(thd->mem_root, proc_table->field[7], &tmp_string);
      table->field[14]->store(tmp_string.ptr(), tmp_string.length(), cs);
2523 2524
      bzero((char *)&time, sizeof(time));
      ((Field_timestamp *) proc_table->field[12])->get_time(&time);
2525
      table->field[15]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
2526 2527
      bzero((char *)&time, sizeof(time));
      ((Field_timestamp *) proc_table->field[13])->get_time(&time);
2528
      table->field[16]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
2529
      get_field(thd->mem_root, proc_table->field[14], &tmp_string);
2530
      table->field[17]->store(tmp_string.ptr(), tmp_string.length(), cs);
2531
      get_field(thd->mem_root, proc_table->field[15], &tmp_string);
2532
      table->field[18]->store(tmp_string.ptr(), tmp_string.length(), cs);
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      table->field[19]->store(definer, strlen(definer), cs);
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      table->file->write_row(table->record[0]);
    }
  }
}


int fill_schema_proc(THD *thd, TABLE_LIST *tables, COND *cond)
{
  TABLE *proc_table;
  TABLE_LIST proc_tables;
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  int res= 0;
  TABLE *table= tables->table, *old_open_tables= thd->open_tables;
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  bool full_access;
  char definer[HOSTNAME_LENGTH+USERNAME_LENGTH+2];
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  DBUG_ENTER("fill_schema_proc");

2551
  strxmov(definer, thd->priv_user, "@", thd->priv_host, NullS);
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  bzero((char*) &proc_tables,sizeof(proc_tables));
  proc_tables.db= (char*) "mysql";
2554
  proc_tables.db_length= 5;
2555
  proc_tables.table_name= proc_tables.alias= (char*) "proc";
2556
  proc_tables.table_name_length= 4;
2557
  proc_tables.lock_type= TL_READ;
2558
  full_access= !check_table_access(thd, SELECT_ACL, &proc_tables, 1);
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  if (!(proc_table= open_ltable(thd, &proc_tables, TL_READ)))
  {
    DBUG_RETURN(1);
  }
  proc_table->file->ha_index_init(0);
  if ((res= proc_table->file->index_first(proc_table->record[0])))
  {
    res= (res == HA_ERR_END_OF_FILE) ? 0 : 1;
    goto err;
  }
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  store_schema_proc(thd, table, proc_table, wild, full_access, definer);
2570
  while (!proc_table->file->index_next(proc_table->record[0]))
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    store_schema_proc(thd, table, proc_table, wild, full_access, definer);
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err:
  proc_table->file->ha_index_end();
  close_thread_tables(thd, 0, 0, old_open_tables);
  DBUG_RETURN(res);
}


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static int get_schema_stat_record(THD *thd, struct st_table_list *tables,
				  TABLE *table, bool res,
				  const char *base_name,
				  const char *file_name)
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{
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_stat_record");
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  if (res)
  {
    if (thd->lex->orig_sql_command != SQLCOM_SHOW_KEYS)
    {
      /*
        I.e. we are in SELECT FROM INFORMATION_SCHEMA.STATISTICS
        rather than in SHOW KEYS
      */ 
      if (!tables->view)
        push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                     thd->net.last_errno, thd->net.last_error);
      thd->clear_error();
      res= 0;
    }
    DBUG_RETURN(res);
  }
  else if (!tables->view)
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  {
    TABLE *show_table= tables->table;
    KEY *key_info=show_table->key_info;
    show_table->file->info(HA_STATUS_VARIABLE | 
                           HA_STATUS_NO_LOCK |
                           HA_STATUS_TIME);
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    for (uint i=0 ; i < show_table->s->keys ; i++,key_info++)
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    {
      KEY_PART_INFO *key_part= key_info->key_part;
      const char *str;
      for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
      {
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        restore_record(table, s->default_values);
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        table->field[1]->store(base_name, strlen(base_name), cs);
        table->field[2]->store(file_name, strlen(file_name), cs);
        table->field[3]->store((longlong) ((key_info->flags & 
                                            HA_NOSAME) ? 0 :1));
        table->field[4]->store(base_name, strlen(base_name), cs);
        table->field[5]->store(key_info->name, strlen(key_info->name), cs);
        table->field[6]->store((longlong) (j+1));
        str=(key_part->field ? key_part->field->field_name :
             "?unknown field?");
        table->field[7]->store(str, strlen(str), cs);
        if (show_table->file->index_flags(i, j, 0) & HA_READ_ORDER)
        {
          table->field[8]->store(((key_part->key_part_flag &
                                   HA_REVERSE_SORT) ?
                                  "D" : "A"), 1, cs);
          table->field[8]->set_notnull();
        }
        KEY *key=show_table->key_info+i;
        if (key->rec_per_key[j])
        {
          ha_rows records=(show_table->file->records /
                           key->rec_per_key[j]);
          table->field[9]->store((longlong) records);
          table->field[9]->set_notnull();
        }
        if (!(key_info->flags & HA_FULLTEXT) && 
            (!key_part->field ||
             key_part->length != 
             show_table->field[key_part->fieldnr-1]->key_length()))
        {
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          table->field[10]->store((longlong) key_part->length / 
                                  key_part->field->charset()->mbmaxlen);
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          table->field[10]->set_notnull();
        }
        uint flags= key_part->field ? key_part->field->flags : 0;
        const char *pos=(char*) ((flags & NOT_NULL_FLAG) ? "" : "YES");
        table->field[12]->store(pos, strlen(pos), cs);
        pos= show_table->file->index_type(i);
        table->field[13]->store(pos, strlen(pos), cs);
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        if (!show_table->s->keys_in_use.is_set(i))
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          table->field[14]->store("disabled", 8, cs);
        else
          table->field[14]->store("", 0, cs);
        table->field[14]->set_notnull();
        table->file->write_row(table->record[0]);
      }
    }
  }
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  DBUG_RETURN(res);
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}


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static int get_schema_views_record(THD *thd, struct st_table_list *tables,
				   TABLE *table, bool res,
				   const char *base_name,
				   const char *file_name)
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{
  CHARSET_INFO *cs= system_charset_info;
  DBUG_ENTER("get_schema_views_record");
  if (!res)
  {
    if (tables->view)
    {
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      restore_record(table, s->default_values);
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      table->field[1]->store(tables->view_db.str, tables->view_db.length, cs);
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      table->field[2]->store(tables->view_name.str, tables->view_name.length,
                             cs);
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      table->field[3]->store(tables->query.str, tables->query.length, cs);
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      if (tables->with_check != VIEW_CHECK_NONE)
      {
        if (tables->with_check == VIEW_CHECK_LOCAL)
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          table->field[4]->store("LOCAL", 5, cs);
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        else
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          table->field[4]->store("CASCADED", 8, cs);
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      }
      else
        table->field[4]->store("NONE", 4, cs);

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      if (tables->updatable_view)
        table->field[5]->store("YES", 3, cs);
      else
        table->field[5]->store("NO", 2, cs);
      table->file->write_row(table->record[0]);
    }
  }
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  else
  {
    if (tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, 
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
  }
  DBUG_RETURN(0);
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}


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void store_constraints(TABLE *table, const char*db, const char *tname,
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                       const char *key_name, uint key_len,
                       const char *con_type, uint con_len)
{
  CHARSET_INFO *cs= system_charset_info;
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  restore_record(table, s->default_values);
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  table->field[1]->store(db, strlen(db), cs);
  table->field[2]->store(key_name, key_len, cs);
  table->field[3]->store(db, strlen(db), cs);
  table->field[4]->store(tname, strlen(tname), cs);
  table->field[5]->store(con_type, con_len, cs);
  table->file->write_row(table->record[0]);
}


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static int get_schema_constraints_record(THD *thd, struct st_table_list *tables,
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					 TABLE *table, bool res,
					 const char *base_name,
					 const char *file_name)
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{
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  DBUG_ENTER("get_schema_constraints_record");
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  if (res)
  {
    if (!tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
    DBUG_RETURN(0);
  }
  else if (!tables->view)
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  {
    List<FOREIGN_KEY_INFO> f_key_list;
    TABLE *show_table= tables->table;
    KEY *key_info=show_table->key_info;
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    uint primary_key= show_table->s->primary_key;
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    show_table->file->info(HA_STATUS_VARIABLE | 
                           HA_STATUS_NO_LOCK |
                           HA_STATUS_TIME);
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    for (uint i=0 ; i < show_table->s->keys ; i++, key_info++)
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    {
      if (i != primary_key && !(key_info->flags & HA_NOSAME))
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        continue;

2757
      if (i == primary_key && !strcmp(key_info->name, primary_key_name))
2758
        store_constraints(table, base_name, file_name, key_info->name,
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                          strlen(key_info->name), "PRIMARY KEY", 11);
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      else if (key_info->flags & HA_NOSAME)
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        store_constraints(table, base_name, file_name, key_info->name,
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                          strlen(key_info->name), "UNIQUE", 6);        
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    }

    show_table->file->get_foreign_key_list(thd, &f_key_list);
    FOREIGN_KEY_INFO *f_key_info;
    List_iterator_fast<FOREIGN_KEY_INFO> it(f_key_list);
    while ((f_key_info=it++))
    {
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      store_constraints(table, base_name, file_name, f_key_info->forein_id->str,
2771
                        strlen(f_key_info->forein_id->str), "FOREIGN KEY", 11);
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    }
  }
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  DBUG_RETURN(res);
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}


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void store_key_column_usage(TABLE *table, const char*db, const char *tname,
                            const char *key_name, uint key_len, 
                            const char *con_type, uint con_len, longlong idx)
{
  CHARSET_INFO *cs= system_charset_info;
  table->field[1]->store(db, strlen(db), cs);
  table->field[2]->store(key_name, key_len, cs);
  table->field[4]->store(db, strlen(db), cs);
  table->field[5]->store(tname, strlen(tname), cs);
  table->field[6]->store(con_type, con_len, cs);
  table->field[7]->store((longlong) idx);
}


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static int get_schema_key_column_usage_record(THD *thd,
					      struct st_table_list *tables,
					      TABLE *table, bool res,
					      const char *base_name,
					      const char *file_name)
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{
  DBUG_ENTER("get_schema_key_column_usage_record");
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  if (res)
  {
    if (!tables->view)
      push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
                   thd->net.last_errno, thd->net.last_error);
    thd->clear_error();
    DBUG_RETURN(0);
  }
  else if (!tables->view)
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  {
    List<FOREIGN_KEY_INFO> f_key_list;
    TABLE *show_table= tables->table;
    KEY *key_info=show_table->key_info;
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    uint primary_key= show_table->s->primary_key;
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    show_table->file->info(HA_STATUS_VARIABLE | 
                           HA_STATUS_NO_LOCK |
                           HA_STATUS_TIME);
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    for (uint i=0 ; i < show_table->s->keys ; i++, key_info++)
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    {
      if (i != primary_key && !(key_info->flags & HA_NOSAME))
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        continue;
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      uint f_idx= 0;
      KEY_PART_INFO *key_part= key_info->key_part;
      for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
      {
        if (key_part->field)
        {
          f_idx++;
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          restore_record(table, s->default_values);
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          store_key_column_usage(table, base_name, file_name,
                                 key_info->name,
                                 strlen(key_info->name), 
                                 key_part->field->field_name, 
                                 strlen(key_part->field->field_name),
                                 (longlong) f_idx);
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          table->file->write_row(table->record[0]);
        }
      }
    }

    show_table->file->get_foreign_key_list(thd, &f_key_list);
    FOREIGN_KEY_INFO *f_key_info;
    List_iterator_fast<FOREIGN_KEY_INFO> it(f_key_list);
    while ((f_key_info= it++))
    {
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      LEX_STRING *f_info;
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      List_iterator_fast<LEX_STRING> it(f_key_info->foreign_fields),
        it1(f_key_info->referenced_fields);
      uint f_idx= 0;
      while ((f_info= it++))
      {
2850
        it1++;                                  // Ignore r_info
2851
        f_idx++;
2852
        restore_record(table, s->default_values);
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        store_key_column_usage(table, base_name, file_name,
                               f_key_info->forein_id->str,
                               f_key_info->forein_id->length,
                               f_info->str, f_info->length,
                               (longlong) f_idx);
        table->field[8]->store((longlong) f_idx);
        table->field[8]->set_notnull();
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        table->file->write_row(table->record[0]);
      }
    }
  }
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  DBUG_RETURN(res);
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}


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int fill_open_tables(THD *thd, TABLE_LIST *tables, COND *cond)
{
  DBUG_ENTER("fill_open_tables");
  const char *wild= thd->lex->wild ? thd->lex->wild->ptr() : NullS;
  TABLE *table= tables->table;
  CHARSET_INFO *cs= system_charset_info;
  OPEN_TABLE_LIST *open_list;
  if (!(open_list=list_open_tables(thd,wild)) && thd->is_fatal_error)
    DBUG_RETURN(1);

  for (; open_list ; open_list=open_list->next)
  {
2880
    restore_record(table, s->default_values);
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    table->field[0]->store(open_list->db, strlen(open_list->db), cs);
    table->field[1]->store(open_list->table, strlen(open_list->table), cs);
    table->field[2]->store((longlong) open_list->in_use);
    table->field[3]->store((longlong)  open_list->locked);
    table->file->write_row(table->record[0]);
  }
  DBUG_RETURN(0);
}


int fill_variables(THD *thd, TABLE_LIST *tables, COND *cond)
{
  DBUG_ENTER("fill_variables");
2894
  int res= 0;
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  LEX *lex= thd->lex;
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
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  pthread_mutex_lock(&LOCK_global_system_variables);
  res= show_status_array(thd, wild, init_vars, 
                         lex->option_type, 0, "", tables->table);
  pthread_mutex_unlock(&LOCK_global_system_variables);
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  DBUG_RETURN(res);
}


int fill_status(THD *thd, TABLE_LIST *tables, COND *cond)
{
  DBUG_ENTER("fill_status");
  LEX *lex= thd->lex;
  const char *wild= lex->wild ? lex->wild->ptr() : NullS;
  int res= 0;
  STATUS_VAR tmp;
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  ha_update_statistics();                    /* Export engines statistics */
  pthread_mutex_lock(&LOCK_status);
2914 2915
  if (lex->option_type == OPT_GLOBAL)
    calc_sum_of_all_status(&tmp);
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  res= show_status_array(thd, wild, status_vars, OPT_GLOBAL,
                         (lex->option_type == OPT_GLOBAL ? 
                          &tmp: &thd->status_var), "",tables->table);
  pthread_mutex_unlock(&LOCK_status);
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  DBUG_RETURN(res);
}


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/*
  Find schema_tables elment by name

  SYNOPSIS
    find_schema_table()
    thd                 thread handler
    table_name          table name

  RETURN
    0	table not found
    #   pointer to 'shema_tables' element
*/

ST_SCHEMA_TABLE *find_schema_table(THD *thd, const char* table_name)
{
  ST_SCHEMA_TABLE *schema_table= schema_tables;
  for ( ; schema_table->table_name; schema_table++)
  {
    if (!my_strcasecmp(system_charset_info,
                       schema_table->table_name,
                       table_name))
      return schema_table;
  }
  return 0;
}


ST_SCHEMA_TABLE *get_schema_table(enum enum_schema_tables schema_table_idx)
{
  return &schema_tables[schema_table_idx];
}


/*
  Create information_schema table using schema_table data

  SYNOPSIS
    create_schema_table()
    thd	       	          thread handler
    schema_table          pointer to 'shema_tables' element

  RETURN
    #	                  Pointer to created table
    0	                  Can't create table
*/

2970
TABLE *create_schema_table(THD *thd, TABLE_LIST *table_list)
2971 2972 2973 2974 2975
{
  int field_count= 0;
  Item *item;
  TABLE *table;
  List<Item> field_list;
2976
  ST_SCHEMA_TABLE *schema_table= table_list->schema_table;
2977
  ST_FIELD_INFO *fields_info= schema_table->fields_info;
2978
  CHARSET_INFO *cs= system_charset_info;
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  DBUG_ENTER("create_schema_table");

  for ( ; fields_info->field_name; fields_info++)
  {
    switch (fields_info->field_type) {
    case MYSQL_TYPE_LONG:
      if (!(item= new Item_int(fields_info->field_name,
                               fields_info->value,
                               fields_info->field_length)))
      {
        DBUG_RETURN(0);
      }
      break;
    case MYSQL_TYPE_TIMESTAMP:
      if (!(item=new Item_datetime(fields_info->field_name)))
      {
        DBUG_RETURN(0);
      }
      break;
    default:
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      /* this should be changed when Item_empty_string is fixed(in 4.1) */
      if (!(item= new Item_empty_string("", 0, cs)))
3001 3002 3003
      {
        DBUG_RETURN(0);
      }
3004
      item->max_length= fields_info->field_length * cs->mbmaxlen;
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      item->set_name(fields_info->field_name,
                     strlen(fields_info->field_name), cs);
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      break;
    }
    field_list.push_back(item);
    item->maybe_null= fields_info->maybe_null;
    field_count++;
  }
  TMP_TABLE_PARAM *tmp_table_param =
    (TMP_TABLE_PARAM*) (thd->calloc(sizeof(TMP_TABLE_PARAM)));
  tmp_table_param->init();
3016
  tmp_table_param->table_charset= cs;
3017
  tmp_table_param->field_count= field_count;
3018
  tmp_table_param->schema_table= 1;
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  SELECT_LEX *select_lex= thd->lex->current_select;
  if (!(table= create_tmp_table(thd, tmp_table_param,
                                field_list, (ORDER*) 0, 0, 0, 
                                (select_lex->options | thd->options |
                                 TMP_TABLE_ALL_COLUMNS),
3024
                                HA_POS_ERROR, table_list->alias)))
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    DBUG_RETURN(0);
  DBUG_RETURN(table);
}


/*
  For old SHOW compatibility. It is used when
  old SHOW doesn't have generated column names
  Make list of fields for SHOW

  SYNOPSIS
    make_old_format()
    thd			thread handler
    schema_table        pointer to 'schema_tables' element

  RETURN
   -1	errror
    0	success
*/

int make_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  ST_FIELD_INFO *field_info= schema_table->fields_info;
  for ( ; field_info->field_name; field_info++)
  {
    if (field_info->old_name)
    {
      Item_field *field= new Item_field(NullS, NullS, field_info->field_name);
      if (field)
      {
        field->set_name(field_info->old_name,
                        strlen(field_info->old_name),
                        system_charset_info);
        if (add_item_to_list(thd, field))
          return 1;
      }
    }
  }
  return 0;
}


int make_schemata_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  char tmp[128];
  LEX *lex= thd->lex;
  SELECT_LEX *sel= lex->current_select;

  if (!sel->item_list.elements)
  {
    ST_FIELD_INFO *field_info= &schema_table->fields_info[1];
    String buffer(tmp,sizeof(tmp), system_charset_info);
    Item_field *field= new Item_field(NullS, NullS, field_info->field_name);
    if (!field || add_item_to_list(thd, field))
      return 1;
    buffer.length(0);
    buffer.append(field_info->old_name);
    if (lex->wild && lex->wild->ptr())
    {
      buffer.append(" (");
      buffer.append(lex->wild->ptr());
      buffer.append(")");
    }
    field->set_name(buffer.ptr(), buffer.length(), system_charset_info);
  }
  return 0;
}


int make_table_names_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  char tmp[128];
  String buffer(tmp,sizeof(tmp), thd->charset());
  LEX *lex= thd->lex;

  ST_FIELD_INFO *field_info= &schema_table->fields_info[2];
  buffer.length(0);
  buffer.append(field_info->old_name);
  buffer.append(lex->select_lex.db);
  if (lex->wild && lex->wild->ptr())
  {
    buffer.append(" (");
    buffer.append(lex->wild->ptr());
    buffer.append(")");
  }
  Item_field *field= new Item_field(NullS, NullS, field_info->field_name);
  if (add_item_to_list(thd, field))
    return 1;
  field->set_name(buffer.ptr(), buffer.length(), system_charset_info);
  if (thd->lex->verbose)
  {
    field->set_name(buffer.ptr(), buffer.length(), system_charset_info);
    field_info= &schema_table->fields_info[3];
    field= new Item_field(NullS, NullS, field_info->field_name);
    if (add_item_to_list(thd, field))
      return 1;
    field->set_name(field_info->old_name, strlen(field_info->old_name),
                    system_charset_info);
  }
  return 0;
}


int make_columns_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
3130 3131 3132 3133
  int fields_arr[]= {3, 14, 13, 6, 15, 5, 16, 17, 18, -1};
  int *field_num= fields_arr;
  ST_FIELD_INFO *field_info;
  for (; *field_num >= 0; field_num++)
3134
  {
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    field_info= &schema_table->fields_info[*field_num];
    if (!thd->lex->verbose && (*field_num == 13 ||
                               *field_num == 17 ||
                               *field_num == 18))
      continue;
    Item_field *field= new Item_field(NullS, NullS, field_info->field_name);
    if (field)
3142
    {
3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153
      field->set_name(field_info->old_name,
                      strlen(field_info->old_name),
                      system_charset_info);
      if (add_item_to_list(thd, field))
        return 1;
    }
  }
  return 0;
}


3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175
int make_character_sets_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  int fields_arr[]= {0, 2, 1, 3, -1};
  int *field_num= fields_arr;
  ST_FIELD_INFO *field_info;
  for (; *field_num >= 0; field_num++)
  {
    field_info= &schema_table->fields_info[*field_num];
    Item_field *field= new Item_field(NullS, NullS, field_info->field_name);
    if (field)
    {
      field->set_name(field_info->old_name,
                      strlen(field_info->old_name),
                      system_charset_info);
      if (add_item_to_list(thd, field))
        return 1;
    }
  }
  return 0;
}


3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191
int make_proc_old_format(THD *thd, ST_SCHEMA_TABLE *schema_table)
{
  int fields_arr[]= {2, 3, 4, 19, 16, 15, 14, 18, -1};
  int *field_num= fields_arr;
  ST_FIELD_INFO *field_info;
  for (; *field_num >= 0; field_num++)
  {
    field_info= &schema_table->fields_info[*field_num];
    Item_field *field= new Item_field(NullS, NullS, field_info->field_name);
    if (field)
    {
      field->set_name(field_info->old_name,
                      strlen(field_info->old_name),
                      system_charset_info);
      if (add_item_to_list(thd, field))
        return 1;
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    }
  }
  return 0;
}


/*
  Create information_schema table

  SYNOPSIS
  mysql_schema_table()
    thd                thread handler
    lex                pointer to LEX
    table_list         pointer to table_list

  RETURN
    0	success
    1   error
*/

int mysql_schema_table(THD *thd, LEX *lex, TABLE_LIST *table_list)
{
  TABLE *table;
  DBUG_ENTER("mysql_schema_table");
3216
  if (!(table= table_list->schema_table->create_table(thd, table_list)))
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  {
    DBUG_RETURN(1);
  }
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  table->s->tmp_table= TMP_TABLE;
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  table->grant.privilege= SELECT_ACL;
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  /*
    This test is necessary to make
    case insensitive file systems +
    upper case table names(information schema tables) +
    views
    working correctly
  */
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  if (table_list->schema_table_name)
    table->alias_name_used= my_strcasecmp(table_alias_charset,
                                          table_list->schema_table_name,
                                          table_list->alias);
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  table_list->table_name= (char*) table->s->table_name;
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  table_list->table_name_length= strlen(table->s->table_name);
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  table_list->table= table;
  table->next= thd->derived_tables;
  thd->derived_tables= table;
  table_list->select_lex->options |= OPTION_SCHEMA_TABLE;
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  lex->safe_to_cache_query= 0;
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  if (table_list->schema_table_reformed) // show command
  {
    SELECT_LEX *sel= lex->current_select;
    uint i= 0;
    Item *item;
    Field_translator *transl;

    if (table_list->field_translation)
    {
      Field_translator *end= table_list->field_translation +
        sel->item_list.elements;
      for (transl= table_list->field_translation; transl < end; transl++)
      {
        if (!transl->item->fixed &&
            transl->item->fix_fields(thd, table_list, &transl->item))
          DBUG_RETURN(1);
      }
      DBUG_RETURN(0);
    }
    List_iterator_fast<Item> it(sel->item_list);
    if (!(transl=
          (Field_translator*)(thd->current_arena->
                              alloc(sel->item_list.elements *
                                    sizeof(Field_translator)))))
    {
      DBUG_RETURN(1);
    }
    while ((item= it++))
    {
      char *name= item->name;
      transl[i].item= item;
      if (!item->fixed && item->fix_fields(thd, table_list, &transl[i].item))
        DBUG_RETURN(1);
      transl[i++].name= name;
    }
    table_list->field_translation= transl;
  }

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  DBUG_RETURN(0);
}


/*
  Generate select from information_schema table

  SYNOPSIS
    make_schema_select()
    thd                  thread handler
    sel                  pointer to SELECT_LEX
    schema_table_idx     index of 'schema_tables' element

  RETURN
    0	success
    1   error
*/

int make_schema_select(THD *thd, SELECT_LEX *sel,
		       enum enum_schema_tables schema_table_idx)
{
  ST_SCHEMA_TABLE *schema_table= get_schema_table(schema_table_idx);
  LEX_STRING db, table;
  DBUG_ENTER("mysql_schema_select");
  /* 
     We have to make non const db_name & table_name
     because of lower_case_table_names
  */
  make_lex_string(thd, &db, information_schema_name.str,
                  information_schema_name.length, 0);
  make_lex_string(thd, &table, schema_table->table_name,
                  strlen(schema_table->table_name), 0);
3311
  if (schema_table->old_format(thd, schema_table) ||      /* Handle old syntax */
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      !sel->add_table_to_list(thd, new Table_ident(thd, db, table, 0),
                              0, 0, TL_READ, (List<String> *) 0,
                              (List<String> *) 0))
  {
    DBUG_RETURN(1);
  }
  DBUG_RETURN(0);
}


/*
3323
  Fill temporary schema tables before SELECT
3324 3325 3326 3327 3328 3329

  SYNOPSIS
    get_schema_tables_result()
    join  join which use schema tables

  RETURN
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bell@sanja.is.com.ua committed
3330 3331
    FALSE success
    TRUE  error
3332 3333
*/

bell@sanja.is.com.ua's avatar
bell@sanja.is.com.ua committed
3334
bool get_schema_tables_result(JOIN *join)
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{
  JOIN_TAB *tmp_join_tab= join->join_tab+join->tables;
  THD *thd= join->thd;
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  LEX *lex= thd->lex;
  bool result= 0;
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  DBUG_ENTER("get_schema_tables_result");

  thd->no_warnings_for_error= 1;
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  for (JOIN_TAB *tab= join->join_tab; tab < tmp_join_tab; tab++)
  {  
    if (!tab->table || !tab->table->pos_in_table_list)
      break;
3347

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    TABLE_LIST *table_list= tab->table->pos_in_table_list;
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bell@sanja.is.com.ua committed
3349
    if (table_list->schema_table && thd->fill_derived_tables())
3350
    {
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      TABLE_LIST *save_next_global= table_list->next_global;
      TABLE_LIST **query_tables_last= lex->query_tables_last;
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      TABLE *old_derived_tables= thd->derived_tables;
      MYSQL_LOCK *sql_lock= thd->lock;
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      lex->sql_command= SQLCOM_SHOW_FIELDS;

      if (&lex->unit != lex->current_select->master_unit()) // is subselect
      {
        table_list->table->file->extra(HA_EXTRA_RESET_STATE);
        table_list->table->file->delete_all_rows();
        free_io_cache(table_list->table);
        filesort_free_buffers(table_list->table);
      }
      else
        table_list->table->file->records= 0;

      thd->derived_tables= 0;
3368 3369 3370
      thd->lock=0;
      if (table_list->schema_table->fill_table(thd, table_list,
                                               tab->select_cond))
3371
        result= 1;
3372
      thd->lock= sql_lock;
3373
      lex->sql_command= SQLCOM_SELECT;
3374
      thd->derived_tables= old_derived_tables;
3375
      table_list->next_global= save_next_global;
3376
      lex->query_tables_last= query_tables_last;
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    }
  }
3379
  thd->no_warnings_for_error= 0;
3380
  DBUG_RETURN(result);
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}


ST_FIELD_INFO schema_fields_info[]=
{
3386 3387
  {"CATALOG_NAME", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"SCHEMA_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Database"},
3388
  {"DEFAULT_CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
3389
  {"SQL_PATH", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
3390
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


ST_FIELD_INFO tables_fields_info[]=
{
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  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Name"},
  {"TABLE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ENGINE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, "Engine"},
  {"VERSION", 21 , MYSQL_TYPE_LONG, 0, 1, "Version"},
  {"ROW_FORMAT", 10, MYSQL_TYPE_STRING, 0, 1, "Row_format"},
3403
  {"TABLE_ROWS", 21 , MYSQL_TYPE_LONG, 0, 1, "Rows"},
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  {"AVG_ROW_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Avg_row_length"},
  {"DATA_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Data_length"},
  {"MAX_DATA_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Max_data_length"},
  {"INDEX_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 1, "Index_length"},
  {"DATA_FREE", 21 , MYSQL_TYPE_LONG, 0, 1, "Data_free"},
  {"AUTO_INCREMENT", 21 , MYSQL_TYPE_LONG, 0, 1, "Auto_increment"},
  {"CREATE_TIME", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Create_time"},
  {"UPDATE_TIME", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Update_time"},
  {"CHECK_TIME", 0, MYSQL_TYPE_TIMESTAMP, 0, 1, "Check_time"},
3413
  {"TABLE_COLLATION", 64, MYSQL_TYPE_STRING, 0, 1, "Collation"},
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  {"CHECKSUM", 21 , MYSQL_TYPE_LONG, 0, 1, "Checksum"},
  {"CREATE_OPTIONS", 255, MYSQL_TYPE_STRING, 0, 1, "Create_options"},
3416
  {"TABLE_COMMENT", 80, MYSQL_TYPE_STRING, 0, 0, "Comment"},
3417
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


ST_FIELD_INFO columns_fields_info[]=
{
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  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Field"},
  {"ORDINAL_POSITION", 21 , MYSQL_TYPE_LONG, 0, 0, 0},
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  {"COLUMN_DEFAULT", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, "Default"},
  {"IS_NULLABLE", 3, MYSQL_TYPE_STRING, 0, 0, "Null"},
3430
  {"DATA_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
3431 3432
  {"CHARACTER_MAXIMUM_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 0, 0},
  {"CHARACTER_OCTET_LENGTH", 21 , MYSQL_TYPE_LONG, 0, 0, 0},
3433 3434
  {"NUMERIC_PRECISION", 21 , MYSQL_TYPE_LONG, 0, 1, 0},
  {"NUMERIC_SCALE", 21 , MYSQL_TYPE_LONG, 0, 1, 0},
3435 3436
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 1, 0},
  {"COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 1, "Collation"},
3437
  {"COLUMN_TYPE", 65535, MYSQL_TYPE_STRING, 0, 0, "Type"},
3438
  {"COLUMN_KEY", 3, MYSQL_TYPE_STRING, 0, 0, "Key"},
3439 3440
  {"EXTRA", 20, MYSQL_TYPE_STRING, 0, 0, "Extra"},
  {"PRIVILEGES", 80, MYSQL_TYPE_STRING, 0, 0, "Privileges"},
3441
  {"COLUMN_COMMENT", 255, MYSQL_TYPE_STRING, 0, 0, "Comment"},
3442
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3443 3444 3445 3446 3447
};


ST_FIELD_INFO charsets_fields_info[]=
{
3448 3449
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Charset"},
  {"DEFAULT_COLLATE_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Default collation"},
3450
  {"DESCRIPTION", 60, MYSQL_TYPE_STRING, 0, 0, "Description"},
3451
  {"MAXLEN", 3 ,MYSQL_TYPE_LONG, 0, 0, "Maxlen"},
3452
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3453 3454 3455 3456 3457
};


ST_FIELD_INFO collation_fields_info[]=
{
3458 3459
  {"COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Collation"},
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Charset"},
3460
  {"ID", 11, MYSQL_TYPE_LONG, 0, 0, "Id"},
3461 3462
  {"IS_DEFAULT", 3, MYSQL_TYPE_STRING, 0, 0, "Default"},
  {"IS_COMPILED", 3, MYSQL_TYPE_STRING, 0, 0, "Compiled"},
3463
  {"SORTLEN", 3 ,MYSQL_TYPE_LONG, 0, 0, "Sortlen"},
3464
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3465 3466 3467 3468 3469
};


ST_FIELD_INFO coll_charset_app_fields_info[]=
{
3470 3471
  {"COLLATION_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CHARACTER_SET_NAME", 64, MYSQL_TYPE_STRING, 0, 0, 0},
3472
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3473 3474 3475 3476 3477
};


ST_FIELD_INFO proc_fields_info[]=
{
3478 3479 3480 3481 3482
  {"SPECIFIC_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ROUTINE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ROUTINE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Db"},
  {"ROUTINE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Name"},
  {"ROUTINE_TYPE", 9, MYSQL_TYPE_STRING, 0, 0, "Type"},
3483 3484
  {"DTD_IDENTIFIER", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"ROUTINE_BODY", 8, MYSQL_TYPE_STRING, 0, 0, 0},
3485
  {"ROUTINE_DEFINITION", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
3486 3487
  {"EXTERNAL_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"EXTERNAL_LANGUAGE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
3488
  {"PARAMETER_STYLE", 8, MYSQL_TYPE_STRING, 0, 0, 0},
3489 3490 3491 3492
  {"IS_DETERMINISTIC", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {"SQL_DATA_ACCESS", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"SQL_PATH", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"SECURITY_TYPE", 7, MYSQL_TYPE_STRING, 0, 0, "Security_type"},
3493 3494
  {"CREATED", 0, MYSQL_TYPE_TIMESTAMP, 0, 0, "Created"},
  {"LAST_ALTERED", 0, MYSQL_TYPE_TIMESTAMP, 0, 0, "Modified"},
3495
  {"SQL_MODE", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
3496
  {"ROUTINE_COMMENT", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Comment"},
3497
  {"DEFINER", 77, MYSQL_TYPE_STRING, 0, 0, "Definer"},
3498
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3499 3500 3501 3502 3503
};


ST_FIELD_INFO stat_fields_info[]=
{
3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table"},
  {"NON_UNIQUE", 1, MYSQL_TYPE_LONG, 0, 0, "Non_unique"},
  {"INDEX_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"INDEX_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Key_name"},
  {"SEQ_IN_INDEX", 2, MYSQL_TYPE_LONG, 0, 0, "Seq_in_index"},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Column_name"},
  {"COLLATION", 1, MYSQL_TYPE_STRING, 0, 1, "Collation"},
  {"CARDINALITY", 21, MYSQL_TYPE_LONG, 0, 1, "Cardinality"},
  {"SUB_PART", 3, MYSQL_TYPE_LONG, 0, 1, "Sub_part"},
  {"PACKED", 10, MYSQL_TYPE_STRING, 0, 1, "Packed"},
  {"NULLABLE", 3, MYSQL_TYPE_STRING, 0, 0, "Null"},
  {"INDEX_TYPE", 16, MYSQL_TYPE_STRING, 0, 0, "Index_type"},
  {"COMMENT", 16, MYSQL_TYPE_STRING, 0, 1, "Comment"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3520 3521 3522 3523 3524
};


ST_FIELD_INFO view_fields_info[]=
{
3525 3526 3527 3528
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"VIEW_DEFINITION", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
3529
  {"CHECK_OPTION", 8, MYSQL_TYPE_STRING, 0, 0, 0},
3530 3531
  {"IS_UPDATABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3532 3533 3534 3535 3536
};


ST_FIELD_INFO user_privileges_fields_info[]=
{
3537 3538 3539 3540 3541
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3542 3543 3544 3545 3546
};


ST_FIELD_INFO schema_privileges_fields_info[]=
{
3547 3548 3549 3550 3551 3552
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
3553 3554 3555 3556 3557
};


ST_FIELD_INFO table_privileges_fields_info[]=
{
3558 3559 3560 3561 3562 3563 3564
  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


ST_FIELD_INFO column_privileges_fields_info[]=
{
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  {"GRANTEE", 81, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"PRIVILEGE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"IS_GRANTABLE", 3, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


ST_FIELD_INFO table_constraints_fields_info[]=
{
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  {"CONSTRAINT_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"CONSTRAINT_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CONSTRAINT_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CONSTRAINT_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


ST_FIELD_INFO key_column_usage_fields_info[]=
{
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  {"CONSTRAINT_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"CONSTRAINT_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"CONSTRAINT_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
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  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
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  {"TABLE_SCHEMA", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"COLUMN_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"ORDINAL_POSITION", 10 ,MYSQL_TYPE_LONG, 0, 0, 0},
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  {"POSITION_IN_UNIQUE_CONSTRAINT", 10 ,MYSQL_TYPE_LONG, 0, 1, 0},
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  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


ST_FIELD_INFO table_names_fields_info[]=
{
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  {"TABLE_CATALOG", FN_REFLEN, MYSQL_TYPE_STRING, 0, 1, 0},
  {"TABLE_SCHEMA",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, 0},
  {"TABLE_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Tables_in_"},
  {"TABLE_TYPE", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table_type"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
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};


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ST_FIELD_INFO open_tables_fields_info[]=
{
  {"Database", NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Database"},
  {"Table",NAME_LEN, MYSQL_TYPE_STRING, 0, 0, "Table"},
  {"In_use", 1, MYSQL_TYPE_LONG, 0, 0, "In_use"},
  {"Name_locked", 4, MYSQL_TYPE_LONG, 0, 0, "Name_locked"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
};


ST_FIELD_INFO variables_fields_info[]=
{
  {"Variable_name", 80, MYSQL_TYPE_STRING, 0, 0, "Variable_name"},
  {"Value", 255, MYSQL_TYPE_STRING, 0, 0, "Value"},
  {0, 0, MYSQL_TYPE_STRING, 0, 0, 0}
};


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/*
  Description of ST_FIELD_INFO in table.h
*/

ST_SCHEMA_TABLE schema_tables[]=
{
  {"SCHEMATA", schema_fields_info, create_schema_table,
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   fill_schema_shemata, make_schemata_old_format, 0, 1, -1, 0},
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  {"TABLES", tables_fields_info, create_schema_table, 
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   get_all_tables, make_old_format, get_schema_tables_record, 1, 2, 0},
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  {"COLUMNS", columns_fields_info, create_schema_table, 
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   get_all_tables, make_columns_old_format, get_schema_column_record, 1, 2, 0},
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  {"CHARACTER_SETS", charsets_fields_info, create_schema_table, 
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   fill_schema_charsets, make_character_sets_old_format, 0, -1, -1, 0},
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  {"COLLATIONS", collation_fields_info, create_schema_table, 
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   fill_schema_collation, make_old_format, 0, -1, -1, 0},
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  {"COLLATION_CHARACTER_SET_APPLICABILITY", coll_charset_app_fields_info,
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   create_schema_table, fill_schema_coll_charset_app, 0, 0, -1, -1, 0},
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  {"ROUTINES", proc_fields_info, create_schema_table, 
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    fill_schema_proc, make_proc_old_format, 0, -1, -1, 0},
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  {"STATISTICS", stat_fields_info, create_schema_table, 
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    get_all_tables, make_old_format, get_schema_stat_record, 1, 2, 0},
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  {"VIEWS", view_fields_info, create_schema_table, 
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    get_all_tables, 0, get_schema_views_record, 1, 2, 0},
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  {"USER_PRIVILEGES", user_privileges_fields_info, create_schema_table, 
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    fill_schema_user_privileges, 0, 0, -1, -1, 0},
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  {"SCHEMA_PRIVILEGES", schema_privileges_fields_info, create_schema_table,
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    fill_schema_schema_privileges, 0, 0, -1, -1, 0},
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  {"TABLE_PRIVILEGES", table_privileges_fields_info, create_schema_table,
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    fill_schema_table_privileges, 0, 0, -1, -1, 0},
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  {"COLUMN_PRIVILEGES", column_privileges_fields_info, create_schema_table,
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    fill_schema_column_privileges, 0, 0, -1, -1, 0},
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  {"TABLE_CONSTRAINTS", table_constraints_fields_info, create_schema_table,
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    get_all_tables, 0, get_schema_constraints_record, 3, 4, 0},
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  {"KEY_COLUMN_USAGE", key_column_usage_fields_info, create_schema_table,
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    get_all_tables, 0, get_schema_key_column_usage_record, 4, 5, 0},
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  {"TABLE_NAMES", table_names_fields_info, create_schema_table,
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   get_all_tables, make_table_names_old_format, 0, 1, 2, 1},
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  {"OPEN_TABLES", open_tables_fields_info, create_schema_table,
   fill_open_tables, make_old_format, 0, -1, -1, 1},
  {"STATUS", variables_fields_info, create_schema_table, fill_status, 
   make_old_format, 0, -1, -1, 1},
  {"VARIABLES", variables_fields_info, create_schema_table, fill_variables,
   make_old_format, 0, -1, -1, 1},
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  {0, 0, 0, 0, 0, 0, 0, 0, 0}
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};


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3684
#ifdef __GNUC__
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
3685
template class List_iterator_fast<char>;
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template class List<char>;
#endif