sql_yacc.yy 75.2 KB
Newer Older
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
2

bk@work.mysql.com's avatar
bk@work.mysql.com committed
3 4 5 6
   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.
7

bk@work.mysql.com's avatar
bk@work.mysql.com committed
8 9 10 11
   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.
12

bk@work.mysql.com's avatar
bk@work.mysql.com committed
13 14 15 16
   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 */

tim@cane.mysql.fi's avatar
tim@cane.mysql.fi committed
17
/* sql_yacc.yy */
bk@work.mysql.com's avatar
bk@work.mysql.com committed
18 19 20 21 22 23 24

%{
#define MYSQL_YACC
#define YYINITDEPTH 100
#define YYMAXDEPTH 3200				/* Because of 64K stack */
#define Lex current_lex
#include "mysql_priv.h"
25
#include "slave.h"  
bk@work.mysql.com's avatar
bk@work.mysql.com committed
26 27 28
#include "sql_acl.h"
#include "lex_symbol.h"
#include <myisam.h>
29

bk@work.mysql.com's avatar
bk@work.mysql.com committed
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
extern void yyerror(const char*);
int yylex(void *yylval);

#define yyoverflow(A,B,C,D,E,F) if (my_yyoverflow((B),(D),(F))) { yyerror((char*) (A)); return 2; }

inline Item *or_or_concat(Item* A, Item* B)
{
  return (current_thd->options & OPTION_ANSI_MODE ?
          (Item*) new Item_func_concat(A,B) : (Item*) new Item_cond_or(A,B));
}

%}
%union {
  int  num;
  ulong ulong_num;
  ulonglong ulonglong_num;
  LEX_STRING lex_str;
  LEX_STRING *lex_str_ptr;
  LEX_SYMBOL symbol;
  Table_ident *table;
  char *simple_string;
  Item *item;
  List<Item> *item_list;
  List<String> *string_list;
  Key::Keytype key_type;
  enum db_type db_type;
  enum row_type row_type;
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
57
  enum enum_tx_isolation tx_isolation;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
  String *string;
  key_part_spec *key_part;
  TABLE_LIST *table_list;
  udf_func *udf;
  interval_type interval;
  LEX_USER *lex_user;
  enum Item_udftype udf_type;
}

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

%pure_parser					/* We have threads */

%token	END_OF_INPUT

%token	EQ
%token	EQUAL_SYM
%token	GE
%token	GT_SYM
%token	LE
%token	LT
%token	NE
%token	IS
%token	SHIFT_LEFT
%token	SHIFT_RIGHT
%token  SET_VAR

%token	AVG_SYM
%token	COUNT_SYM
%token	MAX_SYM
%token	MIN_SYM
%token	SUM_SYM
%token	STD_SYM

%token	ADD
%token	ALTER
%token	AFTER_SYM
%token  ANALYZE_SYM
%token  BEGIN_SYM
%token	CHANGE
%token  COMMENT_SYM
%token  COMMIT_SYM
%token	CREATE
%token	CROSS
%token	DELETE_SYM
%token	DROP
%token	INSERT
%token	FLUSH_SYM
%token	SELECT_SYM
%token  MASTER_SYM
%token	REPAIR
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
111
%token  RESET_SYM
112
%token  PURGE
bk@work.mysql.com's avatar
bk@work.mysql.com committed
113 114 115
%token  SLAVE
%token  START_SYM
%token  STOP_SYM
116
%token	TRUNCATE_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134
%token  ROLLBACK_SYM
%token	OPTIMIZE
%token	SHOW
%token	UPDATE_SYM
%token	KILL_SYM
%token	LOAD
%token	LOCK_SYM
%token	UNLOCK_SYM

%token	ACTION
%token	AGGREGATE_SYM
%token	ALL
%token	AND
%token	AS
%token	ASC
%token	AUTO_INC
%token	AUTOCOMMIT
%token	AVG_ROW_LENGTH
135
%token  BACKUP_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
136 137 138 139 140 141 142 143 144
%token	BERKELEY_DB_SYM
%token	BINARY
%token	BIT_SYM
%token	BOOL_SYM
%token	BOTH
%token	BY
%token	CASCADE
%token	CHECKSUM_SYM
%token	CHECK_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
145
%token	COMMITTED_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169
%token	COLUMNS
%token	COLUMN_SYM
%token	CONSTRAINT
%token	DATABASES
%token	DATA_SYM
%token	DEFAULT
%token	DELAYED_SYM
%token	DELAY_KEY_WRITE_SYM
%token	DESC
%token	DESCRIBE
%token	DISTINCT
%token	DYNAMIC_SYM
%token	ENCLOSED
%token	ESCAPED
%token	ESCAPE_SYM
%token	EXISTS
%token	EXTENDED_SYM
%token	FILE_SYM
%token	FIRST_SYM
%token	FIXED_SYM
%token	FLOAT_NUM
%token	FOREIGN
%token	FROM
%token	FULL
170
%token  FULLTEXT_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
171 172 173
%token  GEMINI_SYM
%token	GEMINI_SPIN_RETRIES
%token  GLOBAL_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
174 175 176 177 178 179 180 181 182 183 184 185 186 187
%token	GRANT
%token	GRANTS
%token	GREATEST_SYM
%token	GROUP
%token	HAVING
%token	HEAP_SYM
%token	HEX_NUM
%token	HIGH_PRIORITY
%token	HOSTS_SYM
%token	IDENT
%token	IGNORE_SYM
%token	INDEX
%token	INFILE
%token	INNER_SYM
188
%token	INNOBASE_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
189 190
%token	INTO
%token	IN_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
191
%token  ISOLATION
bk@work.mysql.com's avatar
bk@work.mysql.com committed
192 193 194 195 196 197
%token	ISAM_SYM
%token	JOIN_SYM
%token	KEYS
%token	KEY_SYM
%token	LEADING
%token	LEAST_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
198
%token  LEVEL_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215
%token	LEX_HOSTNAME
%token	LIKE
%token	LINES
%token	LOCAL_SYM
%token	LOGS_SYM
%token	LONG_NUM
%token	LONG_SYM
%token	LOW_PRIORITY
%token  MASTER_HOST_SYM
%token  MASTER_USER_SYM
%token  MASTER_LOG_FILE_SYM
%token  MASTER_LOG_POS_SYM
%token  MASTER_PASSWORD_SYM
%token  MASTER_PORT_SYM
%token  MASTER_CONNECT_RETRY_SYM
%token	MATCH
%token	MAX_ROWS
216
%token	MEDIUM_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
217 218 219 220 221 222 223 224 225 226 227
%token	MERGE_SYM
%token	MIN_ROWS
%token	MYISAM_SYM
%token	NATIONAL_SYM
%token	NATURAL
%token	NCHAR_SYM
%token	NOT
%token	NO_SYM
%token	NULL_SYM
%token	NUM
%token	ON
228
%token	OPEN_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253
%token	OPTION
%token	OPTIONALLY
%token	OR
%token	OR_OR_CONCAT
%token	ORDER_SYM
%token	OUTER
%token	OUTFILE
%token  DUMPFILE
%token	PACK_KEYS_SYM
%token	PARTIAL
%token	PRIMARY_SYM
%token	PRIVILEGES
%token	PROCESS
%token	PROCESSLIST_SYM
%token	RAID_0_SYM
%token	RAID_STRIPED_SYM
%token	RAID_TYPE
%token	RAID_CHUNKS
%token	RAID_CHUNKSIZE
%token	READ_SYM
%token	REAL_NUM
%token	REFERENCES
%token	REGEXP
%token	RELOAD
%token	RENAME
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
254
%token	REPEATABLE_SYM
255
%token  RESTORE_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
256 257 258 259 260 261
%token	RESTRICT
%token	REVOKE
%token	ROWS_SYM
%token	ROW_FORMAT_SYM
%token	ROW_SYM
%token	SET
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
262 263
%token	SERIALIZABLE_SYM
%token	SESSION_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
264 265 266 267 268 269 270 271 272 273 274
%token	SHUTDOWN
%token	STARTING
%token	STATUS_SYM
%token	STRAIGHT_JOIN
%token	TABLES
%token	TABLE_SYM
%token	TEMPORARY
%token	TERMINATED
%token	TEXT_STRING
%token	TO_SYM
%token	TRAILING
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
275
%token	TRANSACTION_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
276 277 278 279 280 281 282 283
%token	TYPE_SYM
%token	FUNC_ARG0
%token	FUNC_ARG1
%token	FUNC_ARG2
%token	FUNC_ARG3
%token	UDF_RETURNS_SYM
%token	UDF_SONAME_SYM
%token	UDF_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
284
%token  UNCOMMITTED_SYM
285
%token	UNION_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
286 287 288 289 290 291 292 293 294 295 296 297 298 299
%token	UNIQUE_SYM
%token	USAGE
%token	USE_SYM
%token	USING
%token	VALUES
%token	VARIABLES
%token	WHERE
%token	WITH
%token	WRITE_SYM
%token  COMPRESSED_SYM

%token	BIGINT
%token	BLOB_SYM
%token	CHAR_SYM
300
%token  CHANGED
bk@work.mysql.com's avatar
bk@work.mysql.com committed
301 302 303 304 305 306
%token	COALESCE
%token	DATETIME
%token	DATE_SYM
%token	DECIMAL_SYM
%token	DOUBLE_SYM
%token	ENUM
307
%token	FAST_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375
%token	FLOAT_SYM
%token	INT_SYM
%token	LIMIT
%token	LONGBLOB
%token	LONGTEXT
%token	MEDIUMBLOB
%token	MEDIUMINT
%token	MEDIUMTEXT
%token	NUMERIC_SYM
%token	PRECISION
%token  QUICK
%token	REAL
%token	SMALLINT
%token	STRING_SYM
%token	TEXT_SYM
%token	TIMESTAMP
%token	TIME_SYM
%token	TINYBLOB
%token	TINYINT
%token	TINYTEXT
%token	UNSIGNED
%token	VARBINARY
%token	VARCHAR
%token	VARYING
%token	ZEROFILL

%token  AGAINST
%token	ATAN
%token	BETWEEN_SYM
%token	BIT_AND
%token	BIT_OR
%token	CASE_SYM
%token	CONCAT
%token  CONCAT_WS
%token	CURDATE
%token	CURTIME
%token	DATABASE
%token	DATE_ADD_INTERVAL
%token	DATE_SUB_INTERVAL
%token	DAY_HOUR_SYM
%token	DAY_MINUTE_SYM
%token	DAY_SECOND_SYM
%token	DAY_SYM
%token	DECODE_SYM
%token	ELSE
%token	ELT_FUNC
%token	ENCODE_SYM
%token	ENCRYPT
%token	EXPORT_SET
%token	EXTRACT_SYM
%token	FIELD_FUNC
%token	FORMAT_SYM
%token	FOR_SYM
%token	FROM_UNIXTIME
%token	GROUP_UNIQUE_USERS
%token	HOUR_MINUTE_SYM
%token	HOUR_SECOND_SYM
%token	HOUR_SYM
%token	IDENTIFIED_SYM
%token	IF
%token	INSERT_ID
%token	INTERVAL_SYM
%token	LAST_INSERT_ID
%token	LEFT
%token	LOCATE
%token	MAKE_SET_SYM
%token	MINUTE_SECOND_SYM
%token	MINUTE_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
376
%token  MODE_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
377 378 379 380 381 382 383 384 385 386 387
%token	MODIFY_SYM
%token	MONTH_SYM
%token	NOW_SYM
%token	PASSWORD
%token	POSITION_SYM
%token	PROCEDURE
%token	RAND
%token	REPLACE
%token	RIGHT
%token	ROUND
%token	SECOND_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
388
%token	SHARE_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424
%token	SUBSTRING
%token	SUBSTRING_INDEX
%token	TRIM
%token	UDA_CHAR_SUM
%token	UDA_FLOAT_SUM
%token	UDA_INT_SUM
%token	UDF_CHAR_FUNC
%token	UDF_FLOAT_FUNC
%token	UDF_INT_FUNC
%token	UNIQUE_USERS
%token	UNIX_TIMESTAMP
%token	USER
%token	WEEK_SYM
%token	WHEN_SYM
%token  WORK_SYM
%token	YEAR_MONTH_SYM
%token	YEAR_SYM
%token	YEARWEEK
%token  BENCHMARK_SYM
%token  END
%token  THEN_SYM

%token	SQL_BIG_TABLES
%token	SQL_BIG_SELECTS
%token	SQL_SELECT_LIMIT
%token	SQL_MAX_JOIN_SIZE
%token	SQL_LOG_BIN
%token	SQL_LOG_OFF
%token	SQL_LOG_UPDATE
%token	SQL_LOW_PRIORITY_UPDATES
%token	SQL_SMALL_RESULT
%token	SQL_BIG_RESULT
%token  SQL_BUFFER_RESULT
%token	SQL_WARNINGS
%token	SQL_AUTO_IS_NULL
%token	SQL_SAFE_UPDATES
425
%token  SQL_QUOTE_SHOW_CREATE
426
%token  SQL_SLAVE_SKIP_COUNTER
bk@work.mysql.com's avatar
bk@work.mysql.com committed
427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473

%left   SET_VAR
%left	OR_OR_CONCAT OR
%left	AND
%left	BETWEEN_SYM CASE_SYM WHEN_SYM THEN_SYM ELSE
%left	EQ EQUAL_SYM GE GT_SYM LE LT NE IS LIKE REGEXP IN_SYM
%left	'|'
%left	'&'
%left	SHIFT_LEFT SHIFT_RIGHT
%left	'-' '+'
%left	'*' '/' '%'
%left	NEG '~'
%right	NOT
%right	BINARY

%type <lex_str>
	IDENT TEXT_STRING REAL_NUM FLOAT_NUM NUM LONG_NUM HEX_NUM LEX_HOSTNAME
	field_ident select_alias ident ident_or_text

%type <lex_str_ptr>
	opt_table_alias

%type <table>
	table_ident

%type <simple_string>
	remember_name remember_end opt_len opt_ident opt_db text_or_password
	opt_escape

%type <string>
	text_string

%type <num>
	type int_type real_type order_dir opt_field_spec set_option lock_option
	udf_type if_exists opt_local opt_table_options table_options
	table_option opt_if_not_exists

%type <ulong_num>
	ULONG_NUM raid_types

%type <ulonglong_num>
	ULONGLONG_NUM

%type <item>
	literal text_literal insert_ident group_ident order_ident
	simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
	table_wild opt_pad no_in_expr expr_expr simple_expr no_and_expr
474
	using_list
bk@work.mysql.com's avatar
bk@work.mysql.com committed
475 476 477 478 479

%type <item_list>
	expr_list udf_expr_list when_list ident_list

%type <key_type>
480
	key_type opt_unique_or_fulltext
bk@work.mysql.com's avatar
bk@work.mysql.com committed
481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500

%type <string_list>
	key_usage_list

%type <key_part>
	key_part

%type <table_list>
	join_table_list join_table

%type <udf>
	UDF_CHAR_FUNC UDF_FLOAT_FUNC UDF_INT_FUNC
	UDA_CHAR_SUM UDA_FLOAT_SUM UDA_INT_SUM

%type <interval> interval

%type <db_type> table_types

%type <row_type> row_types

monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
501 502
%type <tx_isolation> tx_isolation isolation_types

bk@work.mysql.com's avatar
bk@work.mysql.com committed
503 504 505 506 507 508 509 510
%type <udf_type> udf_func_type

%type <symbol> FUNC_ARG0 FUNC_ARG1 FUNC_ARG2 FUNC_ARG3 keyword

%type <lex_user> user grant_user

%type <NONE>
	query verb_clause create change select drop insert replace insert2
511 512
	insert_values update delete truncate rename
	show describe load alter optimize flush
513
	reset purge begin commit rollback slave master_def master_defs
514
	repair restore backup analyze check 
515
	field_list field_list_item field_spec kill
bk@work.mysql.com's avatar
bk@work.mysql.com committed
516 517 518 519 520 521 522 523
	select_item_list select_item values_list no_braces
	limit_clause delete_limit_clause fields opt_values values
	procedure_list procedure_list2 procedure_item
        when_list2 expr_list2
	opt_precision opt_ignore opt_column opt_restrict
	grant revoke set lock unlock string_list field_options field_option
	field_opt_list opt_binary table_lock_list table_lock varchar
	references opt_on_delete opt_on_delete_list opt_on_delete_item use
524
	opt_delete_options opt_delete_option
bk@work.mysql.com's avatar
bk@work.mysql.com committed
525 526 527 528 529 530 531
	opt_outer table_list table opt_option opt_place opt_low_priority
	opt_attribute opt_attribute_list attribute column_list column_list_id
	opt_column_list grant_privileges opt_table user_list grant_option
	grant_privilege grant_privilege_list
	flush_options flush_option insert_lock_option replace_lock_option
	equal optional_braces opt_key_definition key_usage_list2
	opt_mi_check_type opt_to mi_check_types normal_join
532
	table_to_table_list table_to_table opt_table_list opt_as
bk@work.mysql.com's avatar
bk@work.mysql.com committed
533 534 535 536 537 538 539 540 541 542
	END_OF_INPUT

%type <NONE>
	'-' '+' '*' '/' '%' '(' ')'
	',' '!' '{' '}' '&' '|' AND OR OR_OR_CONCAT BETWEEN_SYM CASE_SYM THEN_SYM WHEN_SYM
%%


query:
	END_OF_INPUT
543
	{
bk@work.mysql.com's avatar
bk@work.mysql.com committed
544 545 546 547 548 549 550 551 552
	   if (!current_thd->bootstrap)
	     send_error(&current_thd->net,ER_EMPTY_QUERY);
	   YYABORT;
	}
	| verb_clause END_OF_INPUT {}

verb_clause:
	  alter
	| analyze
553
	| backup
bk@work.mysql.com's avatar
bk@work.mysql.com committed
554 555 556 557 558 559 560 561 562 563 564 565 566 567 568
	| begin
	| change
	| check
	| commit
	| create
	| delete
	| describe
	| drop
	| grant
	| insert
	| flush
	| load
	| lock
	| kill
	| optimize
569
	| purge  
570
	| rename
bk@work.mysql.com's avatar
bk@work.mysql.com committed
571 572
        | repair
	| replace
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
573
	| reset
574
	| restore
bk@work.mysql.com's avatar
bk@work.mysql.com committed
575 576 577 578
	| revoke
	| rollback
	| select
	| set
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
579
	| slave
bk@work.mysql.com's avatar
bk@work.mysql.com committed
580
	| show
581
	| truncate
bk@work.mysql.com's avatar
bk@work.mysql.com committed
582 583 584 585 586 587 588
	| unlock
	| update
	| use

/* change master */

change:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
589
       CHANGE MASTER_SYM TO_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
590 591 592 593 594 595 596 597 598 599
        {
	  LEX *lex = Lex;
	  lex->sql_command = SQLCOM_CHANGE_MASTER;
	  memset(&lex->mi, 0, sizeof(lex->mi));
        } master_defs

master_defs:
       master_def
       |
       master_defs ',' master_def
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
600

bk@work.mysql.com's avatar
bk@work.mysql.com committed
601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621
master_def:
       MASTER_HOST_SYM EQ TEXT_STRING
       {
	 Lex->mi.host = $3.str;
       }
       |
       MASTER_USER_SYM EQ TEXT_STRING
       {
	 Lex->mi.user = $3.str;
       }
       |
       MASTER_PASSWORD_SYM EQ TEXT_STRING
       {
	 Lex->mi.password = $3.str;
       }
       |
       MASTER_LOG_FILE_SYM EQ TEXT_STRING
       {
	 Lex->mi.log_file_name = $3.str;
       }
       |
622
       MASTER_PORT_SYM EQ ULONG_NUM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
623 624 625 626 627 628 629 630 631
       {
	 Lex->mi.port = $3;
       }
       |
       MASTER_LOG_POS_SYM EQ ULONGLONG_NUM
       {
	 Lex->mi.pos = $3;
       }
       |
632
       MASTER_CONNECT_RETRY_SYM EQ ULONG_NUM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
633 634 635 636
       {
	 Lex->mi.connect_retry = $3;
       }

monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
637 638


bk@work.mysql.com's avatar
bk@work.mysql.com committed
639 640 641 642 643 644 645
/* create a table */

create:
	CREATE opt_table_options TABLE_SYM opt_if_not_exists table_ident
	{
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_CREATE_TABLE;
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
646
	  if (!add_table_to_list($5,
bk@work.mysql.com's avatar
bk@work.mysql.com committed
647
				 ($2 & HA_LEX_CREATE_TMP_TABLE ?
648
				   &tmp_table_alias : (LEX_STRING*) 0),1))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
649 650 651 652 653 654 655 656 657 658 659
	    YYABORT;
	  lex->create_list.empty();
	  lex->key_list.empty();
	  lex->col_list.empty();
	  lex->change=NullS;
	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
	  lex->create_info.options=$2 | $4;
	  lex->create_info.db_type= default_table_type;
	}
	create2

660
	| CREATE opt_unique_or_fulltext INDEX ident ON table_ident
bk@work.mysql.com's avatar
bk@work.mysql.com committed
661 662
	  {
	    Lex->sql_command= SQLCOM_CREATE_INDEX;
663
	    if (!add_table_to_list($6,NULL,1))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694
	      YYABORT;
	    Lex->create_list.empty();
	    Lex->key_list.empty();
	    Lex->col_list.empty();
	    Lex->change=NullS;
	  }
	  '(' key_list ')'
	  {
	    Lex->key_list.push_back(new Key($2,$4.str,Lex->col_list));
	    Lex->col_list.empty();
	  }
	| CREATE DATABASE opt_if_not_exists ident
	  {
	    Lex->sql_command=SQLCOM_CREATE_DB;
	    Lex->name=$4.str;
            Lex->create_info.options=$3;
	  }
	| CREATE udf_func_type UDF_SYM ident
	  {
	    Lex->sql_command = SQLCOM_CREATE_FUNCTION;
	    Lex->udf.name=$4.str;
	    Lex->udf.name_length=$4.length;
	    Lex->udf.type= $2;
	  }
	  UDF_RETURNS_SYM udf_type UDF_SONAME_SYM TEXT_STRING
	  {
	    Lex->udf.returns=(Item_result) $7;
	    Lex->udf.dl=$9.str;
	  }

create2:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
695
	'(' field_list ')' opt_create_table_options create3 {}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
696 697 698
	| opt_create_table_options create3 {}

create3:
699 700
	/* empty */ {}
	| opt_duplicate opt_as SELECT_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
701
          {
702
	    Lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
703
	    mysql_init_select(Lex);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
704 705 706
          }
          select_options select_item_list opt_select_from {}

707 708 709 710
opt_as:
	/* empty */ {}
	| AS	    {}

bk@work.mysql.com's avatar
bk@work.mysql.com committed
711
opt_table_options:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
712
	/* empty */	 { $$= 0; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
713 714 715 716 717
	| table_options  { $$= $1;}

table_options:
	table_option	{ $$=$1; }
	| table_option table_options { $$= $1 | $2 }
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
718

bk@work.mysql.com's avatar
bk@work.mysql.com committed
719 720 721 722
table_option:
	TEMPORARY	{ $$=HA_LEX_CREATE_TMP_TABLE; }

opt_if_not_exists:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
723
	/* empty */	 { $$= 0; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744
	| IF NOT EXISTS	 { $$=HA_LEX_CREATE_IF_NOT_EXISTS; }

opt_create_table_options:
	/* empty */
	| create_table_options

create_table_options:
	create_table_option
	| create_table_option create_table_options

create_table_option:
	TYPE_SYM EQ table_types		{ Lex->create_info.db_type= $3; }
	| MAX_ROWS EQ ULONGLONG_NUM	{ Lex->create_info.max_rows= $3; }
	| MIN_ROWS EQ ULONGLONG_NUM	{ Lex->create_info.min_rows= $3; }
	| AVG_ROW_LENGTH EQ ULONG_NUM	{ Lex->create_info.avg_row_length=$3; }
	| PASSWORD EQ TEXT_STRING	{ Lex->create_info.password=$3.str; }
	| COMMENT_SYM EQ TEXT_STRING	{ Lex->create_info.comment=$3.str; }
	| AUTO_INC EQ ULONGLONG_NUM	{ Lex->create_info.auto_increment_value=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AUTO;}
	| PACK_KEYS_SYM EQ ULONG_NUM	{ Lex->create_info.table_options|= $3 ? HA_OPTION_PACK_KEYS : HA_OPTION_NO_PACK_KEYS; }
	| CHECKSUM_SYM EQ ULONG_NUM	{ Lex->create_info.table_options|= $3 ? HA_OPTION_CHECKSUM : HA_OPTION_NO_CHECKSUM; }
	| DELAY_KEY_WRITE_SYM EQ ULONG_NUM { Lex->create_info.table_options|= $3 ? HA_OPTION_DELAY_KEY_WRITE : HA_OPTION_NO_DELAY_KEY_WRITE; }
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
745
	| ROW_FORMAT_SYM EQ row_types	{ Lex->create_info.row_type= $3; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
746 747 748
	| RAID_TYPE EQ raid_types	{ Lex->create_info.raid_type= $3; Lex->create_info.used_fields|= HA_CREATE_USED_RAID;}
	| RAID_CHUNKS EQ ULONG_NUM	{ Lex->create_info.raid_chunks= $3; Lex->create_info.used_fields|= HA_CREATE_USED_RAID;}
	| RAID_CHUNKSIZE EQ ULONG_NUM	{ Lex->create_info.raid_chunksize= $3*RAID_BLOCK_SIZE; Lex->create_info.used_fields|= HA_CREATE_USED_RAID;}
749 750 751 752 753 754 755 756 757 758 759
	| UNION_SYM EQ '(' table_list ')'
	  {
	    /* Move the union list to the merge_list */
	    LEX *lex=Lex;
	    TABLE_LIST *table_list= (TABLE_LIST*) lex->table_list.first;
	    lex->create_info.merge_list= lex->table_list;
	    lex->create_info.merge_list.elements--;
	    lex->create_info.merge_list.first= (byte*) (table_list->next);
	    lex->table_list.elements=1;
	    lex->table_list.next= (byte**) &(table_list->next);
	    table_list->next=0;
760
	    lex->create_info.used_fields|= HA_CREATE_USED_UNION;
761
	  }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
762 763 764 765 766 767 768

table_types:
	ISAM_SYM	{ $$= DB_TYPE_ISAM; }
	| MYISAM_SYM	{ $$= DB_TYPE_MYISAM; }
	| MERGE_SYM	{ $$= DB_TYPE_MRG_MYISAM; }
	| HEAP_SYM	{ $$= DB_TYPE_HEAP; }
	| BERKELEY_DB_SYM { $$= DB_TYPE_BERKELEY_DB; }
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
769 770
	| INNOBASE_SYM  { $$= DB_TYPE_INNOBASE; }
	| GEMINI_SYM    { $$= DB_TYPE_GEMINI; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
771 772 773 774 775 776 777 778 779 780 781 782 783 784

row_types:
	DEFAULT		{ $$= ROW_TYPE_DEFAULT; }
	| FIXED_SYM	{ $$= ROW_TYPE_FIXED; }
	| DYNAMIC_SYM	{ $$= ROW_TYPE_DYNAMIC; }
	| COMPRESSED_SYM { $$= ROW_TYPE_COMPRESSED; }

raid_types:
	RAID_STRIPED_SYM { $$= RAID_TYPE_0; }
	| RAID_0_SYM	 { $$= RAID_TYPE_0; }
	| ULONG_NUM	 { $$=$1;}

opt_select_from:
	/* empty */
785
	| select_from select_lock_type
bk@work.mysql.com's avatar
bk@work.mysql.com committed
786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811

udf_func_type:
	/* empty */ 	{ $$ = UDFTYPE_FUNCTION; }
	| AGGREGATE_SYM { $$ = UDFTYPE_AGGREGATE; }

udf_type:
	STRING_SYM {$$ = (int) STRING_RESULT; }
	| REAL {$$ = (int) REAL_RESULT; }
	| INT_SYM {$$ = (int) INT_RESULT; }

field_list:
	  field_list_item
	| field_list ',' field_list_item


field_list_item:
	  field_spec
	| field_spec references
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
	| key_type opt_ident '(' key_list ')'
	  {
	    Lex->key_list.push_back(new Key($1,$2,Lex->col_list));
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
812
	| opt_constraint FOREIGN KEY_SYM opt_ident '(' key_list ')' references
bk@work.mysql.com's avatar
bk@work.mysql.com committed
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
	| opt_constraint CHECK_SYM '(' expr ')'
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }

opt_constraint:
	/* empty */
	| CONSTRAINT opt_ident

field_spec:
	field_ident
	 {
	   Lex->length=Lex->dec=0; Lex->type=0; Lex->interval=0;
	   Lex->default_value=0;
	 }
	type opt_attribute
	{
	  if (add_field_to_list($1.str,
				(enum enum_field_types) $3,
				Lex->length,Lex->dec,Lex->type,
				Lex->default_value,Lex->change,
				Lex->interval))
	    YYABORT;
	}

type:
	int_type opt_len field_options	{ Lex->length=$2; $$=$1; }
	| real_type opt_precision field_options { $$=$1; }
	| FLOAT_SYM float_options field_options { $$=FIELD_TYPE_FLOAT; }
	| BIT_SYM opt_len		{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_TINY; }
	| BOOL_SYM			{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_TINY; }
	| char '(' NUM ')' opt_binary { Lex->length=$3.str;
					  $$=FIELD_TYPE_STRING; }
	| char opt_binary		{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_STRING; }
	| BINARY '(' NUM ')' 		{ Lex->length=$3.str;
					  Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_STRING; }
	| varchar '(' NUM ')' opt_binary { Lex->length=$3.str;
					  $$=FIELD_TYPE_VAR_STRING; }
	| VARBINARY '(' NUM ')' 	{ Lex->length=$3.str;
					  Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_VAR_STRING; }
	| YEAR_SYM opt_len field_options { $$=FIELD_TYPE_YEAR; Lex->length=$2; }
	| DATE_SYM			{ $$=FIELD_TYPE_DATE; }
	| TIME_SYM			{ $$=FIELD_TYPE_TIME; }
	| TIMESTAMP			{ $$=FIELD_TYPE_TIMESTAMP; }
	| TIMESTAMP '(' NUM ')'		{ Lex->length=$3.str;
					  $$=FIELD_TYPE_TIMESTAMP; }
	| DATETIME			{ $$=FIELD_TYPE_DATETIME; }
	| TINYBLOB			{ Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_TINY_BLOB; }
	| BLOB_SYM			{ Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_BLOB; }
	| MEDIUMBLOB			{ Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_MEDIUM_BLOB; }
	| LONGBLOB			{ Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_LONG_BLOB; }
	| LONG_SYM VARBINARY		{ Lex->type|=BINARY_FLAG;
					  $$=FIELD_TYPE_MEDIUM_BLOB; }
	| LONG_SYM varchar		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
	| TINYTEXT			{ $$=FIELD_TYPE_TINY_BLOB; }
	| TEXT_SYM			{ $$=FIELD_TYPE_BLOB; }
	| MEDIUMTEXT			{ $$=FIELD_TYPE_MEDIUM_BLOB; }
	| LONGTEXT			{ $$=FIELD_TYPE_LONG_BLOB; }
	| DECIMAL_SYM float_options field_options
					{ $$=FIELD_TYPE_DECIMAL;}
	| NUMERIC_SYM float_options field_options
					{ $$=FIELD_TYPE_DECIMAL;}
	| ENUM {Lex->interval_list.empty();} '(' string_list ')'
	  {
	    Lex->interval=typelib(Lex->interval_list);
	    $$=FIELD_TYPE_ENUM;
	  }
	| SET { Lex->interval_list.empty();} '(' string_list ')'
	  {
	    Lex->interval=typelib(Lex->interval_list);
	    $$=FIELD_TYPE_SET;
	  }

char:
	CHAR_SYM {}
	| NCHAR_SYM {}
	| NATIONAL_SYM CHAR_SYM {}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
902

bk@work.mysql.com's avatar
bk@work.mysql.com committed
903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000
varchar:
	char VARYING {}
	| VARCHAR {}
	| NATIONAL_SYM VARCHAR {}
	| NCHAR_SYM VARCHAR {}

int_type:
	INT_SYM		{ $$=FIELD_TYPE_LONG; }
	| TINYINT	{ $$=FIELD_TYPE_TINY; }
	| SMALLINT	{ $$=FIELD_TYPE_SHORT; }
	| MEDIUMINT	{ $$=FIELD_TYPE_INT24; }
	| BIGINT	{ $$=FIELD_TYPE_LONGLONG; }

real_type:
	REAL		{ $$= current_thd->options & OPTION_ANSI_MODE ?
			      FIELD_TYPE_FLOAT : FIELD_TYPE_DOUBLE; }
	| DOUBLE_SYM	{ $$=FIELD_TYPE_DOUBLE; }
	| DOUBLE_SYM PRECISION { $$=FIELD_TYPE_DOUBLE; }


float_options:
	/* empty */		{}
	| '(' NUM ')'		{ Lex->length=$2.str; }
	| '(' NUM ',' NUM ')'	{ Lex->length=$2.str; Lex->dec=$4.str; }

field_options:
	/* empty */		{}
	| field_opt_list	{}

field_opt_list:
	field_opt_list field_option {}
	| field_option {}

field_option:
	UNSIGNED	{ Lex->type|= UNSIGNED_FLAG;}
	| ZEROFILL	{ Lex->type|= UNSIGNED_FLAG | ZEROFILL_FLAG; }

opt_len:
	/* empty */	{ $$=(char*) 0; }	/* use default length */
	| '(' NUM ')'	{ $$=$2.str; }

opt_precision:
	/* empty */	{}
	| '(' NUM ',' NUM ')'	{ Lex->length=$2.str; Lex->dec=$4.str; }

opt_attribute:
	/* empty */ {}
	| opt_attribute_list {}

opt_attribute_list:
	opt_attribute_list attribute {}
	| attribute

attribute:
	NULL_SYM	  { Lex->type&= ~ NOT_NULL_FLAG; }
	| NOT NULL_SYM	  { Lex->type|= NOT_NULL_FLAG; }
	| DEFAULT literal { Lex->default_value=$2; }
	| AUTO_INC	  { Lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG; }
	| PRIMARY_SYM KEY_SYM { Lex->type|= PRI_KEY_FLAG | NOT_NULL_FLAG; }
	| UNIQUE_SYM	  { Lex->type|= UNIQUE_FLAG; }
	| UNIQUE_SYM KEY_SYM { Lex->type|= UNIQUE_KEY_FLAG; }

opt_binary:
	/* empty */	{}
	| BINARY	{ Lex->type|=BINARY_FLAG; }

references:
	REFERENCES table_ident opt_on_delete {}
	| REFERENCES table_ident '(' key_list ')' opt_on_delete
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }

opt_on_delete:
	/* empty */ {}
	| opt_on_delete_list {}

opt_on_delete_list:
	opt_on_delete_list opt_on_delete_item {}
	| opt_on_delete_item {}


opt_on_delete_item:
	ON DELETE_SYM delete_option {}
	| ON UPDATE_SYM delete_option {}
	| MATCH FULL	{}
	| MATCH PARTIAL {}

delete_option:
	RESTRICT	 {}
	| CASCADE	 {}
	| SET NULL_SYM {}
	| NO_SYM ACTION {}
	| SET DEFAULT {}

key_type:
	opt_constraint PRIMARY_SYM KEY_SYM  { $$= Key::PRIMARY; }
	| key_or_index			    { $$= Key::MULTIPLE; }
1001 1002
	| FULLTEXT_SYM			    { $$= Key::FULLTEXT; }
	| FULLTEXT_SYM key_or_index	    { $$= Key::FULLTEXT; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013
	| opt_constraint UNIQUE_SYM	    { $$= Key::UNIQUE; }
	| opt_constraint UNIQUE_SYM key_or_index { $$= Key::UNIQUE; }

key_or_index:
	KEY_SYM {}
	| INDEX {}

keys_or_index:
	KEYS {}
	| INDEX {}

1014
opt_unique_or_fulltext:
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1015 1016
	/* empty */	{ $$= Key::MULTIPLE; }
	| UNIQUE_SYM	{ $$= Key::UNIQUE; }
1017
	| FULLTEXT_SYM	{ $$= Key::FULLTEXT; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044

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

key_part:
	ident			{ $$=new key_part_spec($1.str); }
	| ident '(' NUM ')'	{ $$=new key_part_spec($1.str,(uint) atoi($3.str)); }

opt_ident:
	/* empty */	{ $$=(char*) 0; }	/* Defaultlength */
	| field_ident	{ $$=$1.str; }

string_list:
	text_string			{ Lex->interval_list.push_back($1); }
	| string_list ',' text_string	{ Lex->interval_list.push_back($3); }

/*
** Alter table
*/

alter:
	ALTER opt_ignore TABLE_SYM table_ident
	{
	  LEX *lex=Lex;
	  lex->sql_command = SQLCOM_ALTER_TABLE;
	  lex->name=0;
1045
	  if (!add_table_to_list($4, NULL,1))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1046 1047 1048 1049 1050 1051 1052
	    YYABORT;
	  lex->drop_primary=0;
	  lex->create_list.empty();
	  lex->key_list.empty();
	  lex->col_list.empty();
	  lex->drop_list.empty();
	  lex->alter_list.empty();
1053 1054 1055
          lex->order_list.elements=0;
          lex->order_list.first=0;
          lex->order_list.next= (byte**) &lex->order_list.first;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1056 1057 1058 1059
	  lex->db=lex->name=0;
    	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
	  lex->create_info.db_type= DB_TYPE_DEFAULT;
	}
1060
	alter_list
1061
 
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1062
alter_list:
1063
        | alter_list_item
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100
	| alter_list ',' alter_list_item

add_column:
	ADD opt_column { Lex->change=0;}

alter_list_item:
	add_column field_list_item opt_place
	| add_column '(' field_list ')'
	| CHANGE opt_column field_ident { Lex->change= $3.str; } field_spec
	| MODIFY_SYM opt_column field_ident
	  {
	    Lex->length=Lex->dec=0; Lex->type=0; Lex->interval=0;
	    Lex->default_value=0;
	  }
	  type opt_attribute
	  {
	    if (add_field_to_list($3.str,
				  (enum enum_field_types) $5,
				  Lex->length,Lex->dec,Lex->type,
				  Lex->default_value, $3.str,
				  Lex->interval))
	     YYABORT;
	  }
	| DROP opt_column field_ident opt_restrict
	  { Lex->drop_list.push_back(new Alter_drop(Alter_drop::COLUMN,
						    $3.str)); }
	| DROP PRIMARY_SYM KEY_SYM { Lex->drop_primary=1; }
	| DROP FOREIGN KEY_SYM opt_ident {}
	| DROP key_or_index field_ident
	  { Lex->drop_list.push_back(new Alter_drop(Alter_drop::KEY,
						    $3.str)); }
	| ALTER opt_column field_ident SET DEFAULT literal
	  { Lex->alter_list.push_back(new Alter_column($3.str,$6)); }
	| ALTER opt_column field_ident DROP DEFAULT
	  { Lex->alter_list.push_back(new Alter_column($3.str,(Item*) 0)); }
	| RENAME opt_to table_alias table_ident
	  { Lex->db=$4->db.str ; Lex->name= $4->table.str; }
1101 1102
        | create_table_options
	| order_clause
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124

opt_column:
	/* empty */	{}
	| COLUMN_SYM	{}

opt_ignore:
	/* empty */	{ Lex->duplicates=DUP_ERROR; }
	| IGNORE_SYM	{ Lex->duplicates=DUP_IGNORE; }

opt_restrict:
	/* empty */	{}
	| RESTRICT	{}
	| CASCADE	{}

opt_place:
	/* empty */	{}
	| AFTER_SYM ident { store_position_for_column($2.str); }
	| FIRST_SYM	  { store_position_for_column(first_keyword); }

opt_to:
	/* empty */	{}
	| TO_SYM	{}
1125
	| AS		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138

slave:
	SLAVE START_SYM
         {
           Lex->sql_command = SQLCOM_SLAVE_START;
	   Lex->type = 0;
         }
         |
	SLAVE STOP_SYM
         {
           Lex->sql_command = SQLCOM_SLAVE_STOP;
	   Lex->type = 0;
         };
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1139

1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
restore:
	RESTORE_SYM table_or_tables
	{
	   Lex->sql_command = SQLCOM_RESTORE_TABLE;
	}
	table_list FROM TEXT_STRING
        {
	  Lex->backup_dir = $6.str;
        }
backup:
	BACKUP_SYM table_or_tables
	{
	   Lex->sql_command = SQLCOM_BACKUP_TABLE;
	}
	table_list TO_SYM TEXT_STRING
        {
	  Lex->backup_dir = $6.str;
        }


bk@work.mysql.com's avatar
bk@work.mysql.com committed
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
repair:
	REPAIR table_or_tables
	{
	   Lex->sql_command = SQLCOM_REPAIR;
	   Lex->check_opt.init();
	}
	table_list opt_mi_check_type


opt_mi_check_type:
	/* empty */ { Lex->check_opt.flags = T_MEDIUM; }
	| TYPE_SYM EQ mi_check_types {}
1172
	| mi_check_types {}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1173 1174

mi_check_types:
1175 1176 1177 1178
	mi_check_type {}
	| mi_check_type mi_check_types {}

mi_check_type:
1179 1180
	QUICK      { Lex->check_opt.quick = 1; }
	| FAST_SYM { Lex->check_opt.flags|= T_FAST; }
1181
	| MEDIUM_SYM { Lex->check_opt.flags|= T_MEDIUM; }
1182 1183
	| EXTENDED_SYM { Lex->check_opt.flags|= T_EXTEND; }
	| CHANGED  { Lex->check_opt.flags|= T_CHECK_ONLY_CHANGED; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1184 1185

analyze:
1186
	ANALYZE_SYM table_or_tables
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1187 1188 1189 1190
	{
	   Lex->sql_command = SQLCOM_ANALYZE;
	   Lex->check_opt.init();
	}
1191
	table_list opt_mi_check_type
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1192 1193

check:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1194
	CHECK_SYM table_or_tables
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1195 1196 1197 1198 1199 1200 1201
	{
	   Lex->sql_command = SQLCOM_CHECK;
	   Lex->check_opt.init();
	}
	table_list opt_mi_check_type

optimize:
1202
	OPTIMIZE table_or_tables
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1203 1204
	{
	   Lex->sql_command = SQLCOM_OPTIMIZE;
1205
	   Lex->check_opt.init();
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1206
	}
1207
	table_list opt_mi_check_type
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1208

1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
rename:
	RENAME table_or_tables
	{
	   Lex->sql_command=SQLCOM_RENAME_TABLE;
	}
	table_to_table_list

table_to_table_list:
	table_to_table
	| table_to_table_list ',' table_to_table

table_to_table:
	table_ident TO_SYM table_ident
1222 1223
	{ if (!add_table_to_list($1,NULL,1,TL_IGNORE) ||
	      !add_table_to_list($3,NULL,1,TL_IGNORE))
1224 1225 1226
	     YYABORT;
 	}

bk@work.mysql.com's avatar
bk@work.mysql.com committed
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236
/*
** Select : retrieve data from table
*/


select:
	SELECT_SYM
	{
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_SELECT;
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
1237
	  lex->lock_option=TL_READ;
1238
	  mysql_init_select(lex);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1239
	}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
1240
	select_options select_item_list select_into select_lock_type
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1241 1242 1243 1244 1245 1246 1247 1248

select_into:
	/* empty */
	| select_from
	| opt_into select_from
	| select_from opt_into

select_from:
1249
	FROM join_table_list where_clause group_clause having_clause opt_order_clause limit_clause procedure_clause
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261


select_options:
	/* empty*/
	| select_option_list

select_option_list:
	select_option_list select_option
	| select_option

select_option:
	STRAIGHT_JOIN { Lex->options|= SELECT_STRAIGHT_JOIN; }
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
1262
	| HIGH_PRIORITY { Lex->lock_option= TL_READ_HIGH_PRIORITY; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1263 1264 1265 1266 1267 1268
	| DISTINCT	{ Lex->options|= SELECT_DISTINCT; }
	| SQL_SMALL_RESULT { Lex->options|= SELECT_SMALL_RESULT; }
	| SQL_BIG_RESULT { Lex->options|= SELECT_BIG_RESULT; }
	| SQL_BUFFER_RESULT { Lex->options|= OPTION_BUFFER_RESULT; }
	| ALL		{}

monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
1269 1270 1271 1272 1273 1274 1275
select_lock_type:
	/* empty */
	| FOR_SYM UPDATE_SYM
	  { Lex->lock_option= TL_WRITE; }
	| IN_SYM SHARE_SYM MODE_SYM
	  { Lex->lock_option= TL_READ_WITH_SHARED_LOCKS; }

bk@work.mysql.com's avatar
bk@work.mysql.com committed
1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316
select_item_list:
	  select_item_list ',' select_item
	| select_item
	| '*'
	  {
	    if (add_item_to_list(new Item_field(NULL,NULL,"*")))
	      YYABORT;
	  }


select_item:
	  remember_name select_item2 remember_end select_alias
	  {
	    if (add_item_to_list($2))
	      YYABORT;
	    if ($4.str)
	      $2->set_name($4.str);
	    else if (!$2->name)
	      $2->set_name($1,(uint) ($3 - $1));
	  }

remember_name:
	{ $$=(char*) Lex->tok_start; }

remember_end:
	{ $$=(char*) Lex->tok_end; }

select_item2:
	table_wild	{ $$=$1; } /* table.* */
	| expr		{ $$=$1; }

select_alias:
	{ $$.str=0;}
	| AS ident { $$=$2; }
	| AS TEXT_STRING  { $$=$2; }
	| ident { $$=$1; }
	| TEXT_STRING  { $$=$1; }

optional_braces:
	/* empty */ {}
	| '(' ')' {}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1317

bk@work.mysql.com's avatar
bk@work.mysql.com committed
1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443
/* all possible expressions */
expr:	expr_expr	{$$ = $1; }
	| simple_expr	{$$ = $1; }

/* expressions that begin with 'expr' */
expr_expr:
	expr IN_SYM '(' expr_list ')'
	  { $$= new Item_func_in($1,*$4); }
	| expr NOT IN_SYM '(' expr_list ')'
	  { $$= new Item_func_not(new Item_func_in($1,*$5)); }
	| expr BETWEEN_SYM no_and_expr AND expr
	  { $$= new Item_func_between($1,$3,$5); }
	| expr NOT BETWEEN_SYM no_and_expr AND expr
	  { $$= new Item_func_not(new Item_func_between($1,$4,$6)); }
	| expr OR_OR_CONCAT expr { $$= or_or_concat($1,$3); }
	| expr OR expr		{ $$= new Item_cond_or($1,$3); }
	| expr AND expr		{ $$= new Item_cond_and($1,$3); }
	| expr LIKE simple_expr opt_escape { $$= new Item_func_like($1,$3,$4); }
	| expr NOT LIKE simple_expr opt_escape	{ $$= new Item_func_not(new Item_func_like($1,$4,$5));}
	| expr REGEXP expr { $$= new Item_func_regex($1,$3); }
	| expr NOT REGEXP expr { $$= new Item_func_not(new Item_func_regex($1,$4)); }
	| expr IS NULL_SYM	{ $$= new Item_func_isnull($1); }
	| expr IS NOT NULL_SYM { $$= new Item_func_isnotnull($1); }
	| expr EQ expr		{ $$= new Item_func_eq($1,$3); }
	| expr EQUAL_SYM expr	{ $$= new Item_func_equal($1,$3); }
	| expr GE expr		{ $$= new Item_func_ge($1,$3); }
	| expr GT_SYM expr	{ $$= new Item_func_gt($1,$3); }
	| expr LE expr		{ $$= new Item_func_le($1,$3); }
	| expr LT expr		{ $$= new Item_func_lt($1,$3); }
	| expr NE expr		{ $$= new Item_func_ne($1,$3); }
	| expr SHIFT_LEFT expr	{ $$= new Item_func_shift_left($1,$3); }
	| expr SHIFT_RIGHT expr { $$= new Item_func_shift_right($1,$3); }
	| expr '+' expr		{ $$= new Item_func_plus($1,$3); }
	| expr '-' expr		{ $$= new Item_func_minus($1,$3); }
	| expr '*' expr		{ $$= new Item_func_mul($1,$3); }
	| expr '/' expr		{ $$= new Item_func_div($1,$3); }
	| expr '|' expr		{ $$= new Item_func_bit_or($1,$3); }
	| expr '&' expr		{ $$= new Item_func_bit_and($1,$3); }
	| expr '%' expr		{ $$= new Item_func_mod($1,$3); }
	| expr '+' INTERVAL_SYM expr interval
	  { $$= new Item_date_add_interval($1,$4,$5,0); }
	| expr '-' INTERVAL_SYM expr interval
	  { $$= new Item_date_add_interval($1,$4,$5,1); }

/* expressions that begin with 'expr' that do NOT follow IN_SYM */
no_in_expr:
	no_in_expr BETWEEN_SYM no_and_expr AND expr
	  { $$= new Item_func_between($1,$3,$5); }
	| no_in_expr NOT BETWEEN_SYM no_and_expr AND expr
	  { $$= new Item_func_not(new Item_func_between($1,$4,$6)); }
	| no_in_expr OR_OR_CONCAT expr	{ $$= or_or_concat($1,$3); }
	| no_in_expr OR expr		{ $$= new Item_cond_or($1,$3); }
	| no_in_expr AND expr		{ $$= new Item_cond_and($1,$3); }
	| no_in_expr LIKE simple_expr opt_escape { $$= new Item_func_like($1,$3,$4); }
	| no_in_expr NOT LIKE simple_expr opt_escape { $$= new Item_func_not(new Item_func_like($1,$4,$5)); }
	| no_in_expr REGEXP expr { $$= new Item_func_regex($1,$3); }
	| no_in_expr NOT REGEXP expr { $$= new Item_func_not(new Item_func_regex($1,$4)); }
	| no_in_expr IS NULL_SYM	{ $$= new Item_func_isnull($1); }
	| no_in_expr IS NOT NULL_SYM { $$= new Item_func_isnotnull($1); }
	| no_in_expr EQ expr		{ $$= new Item_func_eq($1,$3); }
	| no_in_expr EQUAL_SYM expr	{ $$= new Item_func_equal($1,$3); }
	| no_in_expr GE expr		{ $$= new Item_func_ge($1,$3); }
	| no_in_expr GT_SYM expr	{ $$= new Item_func_gt($1,$3); }
	| no_in_expr LE expr		{ $$= new Item_func_le($1,$3); }
	| no_in_expr LT expr		{ $$= new Item_func_lt($1,$3); }
	| no_in_expr NE expr		{ $$= new Item_func_ne($1,$3); }
	| no_in_expr SHIFT_LEFT expr  { $$= new Item_func_shift_left($1,$3); }
	| no_in_expr SHIFT_RIGHT expr { $$= new Item_func_shift_right($1,$3); }
	| no_in_expr '+' expr		{ $$= new Item_func_plus($1,$3); }
	| no_in_expr '-' expr		{ $$= new Item_func_minus($1,$3); }
	| no_in_expr '*' expr		{ $$= new Item_func_mul($1,$3); }
	| no_in_expr '/' expr		{ $$= new Item_func_div($1,$3); }
	| no_in_expr '|' expr		{ $$= new Item_func_bit_or($1,$3); }
	| no_in_expr '&' expr		{ $$= new Item_func_bit_and($1,$3); }
	| no_in_expr '%' expr		{ $$= new Item_func_mod($1,$3); }
	| no_in_expr '+' INTERVAL_SYM expr interval
	  { $$= new Item_date_add_interval($1,$4,$5,0); }
	| no_in_expr '-' INTERVAL_SYM expr interval
	  { $$= new Item_date_add_interval($1,$4,$5,1); }
	| simple_expr

/* expressions that begin with 'expr' that does NOT follow AND */
no_and_expr:
	no_and_expr IN_SYM '(' expr_list ')'
	{ $$= new Item_func_in($1,*$4); }
	| no_and_expr NOT IN_SYM '(' expr_list ')'
	  { $$= new Item_func_not(new Item_func_in($1,*$5)); }
	| no_and_expr BETWEEN_SYM no_and_expr AND expr
	  { $$= new Item_func_between($1,$3,$5); }
	| no_and_expr NOT BETWEEN_SYM no_and_expr AND expr
	  { $$= new Item_func_not(new Item_func_between($1,$4,$6)); }
	| no_and_expr OR_OR_CONCAT expr	{ $$= or_or_concat($1,$3); }
	| no_and_expr OR expr		{ $$= new Item_cond_or($1,$3); }
	| no_and_expr LIKE simple_expr opt_escape { $$= new Item_func_like($1,$3,$4); }
	| no_and_expr NOT LIKE simple_expr opt_escape	{ $$= new Item_func_not(new Item_func_like($1,$4,$5)); }
	| no_and_expr REGEXP expr { $$= new Item_func_regex($1,$3); }
	| no_and_expr NOT REGEXP expr { $$= new Item_func_not(new Item_func_regex($1,$4)); }
	| no_and_expr IS NULL_SYM	{ $$= new Item_func_isnull($1); }
	| no_and_expr IS NOT NULL_SYM { $$= new Item_func_isnotnull($1); }
	| no_and_expr EQ expr		{ $$= new Item_func_eq($1,$3); }
	| no_and_expr EQUAL_SYM expr	{ $$= new Item_func_equal($1,$3); }
	| no_and_expr GE expr		{ $$= new Item_func_ge($1,$3); }
	| no_and_expr GT_SYM expr	{ $$= new Item_func_gt($1,$3); }
	| no_and_expr LE expr		{ $$= new Item_func_le($1,$3); }
	| no_and_expr LT expr		{ $$= new Item_func_lt($1,$3); }
	| no_and_expr NE expr		{ $$= new Item_func_ne($1,$3); }
	| no_and_expr SHIFT_LEFT expr  { $$= new Item_func_shift_left($1,$3); }
	| no_and_expr SHIFT_RIGHT expr { $$= new Item_func_shift_right($1,$3); }
	| no_and_expr '+' expr		{ $$= new Item_func_plus($1,$3); }
	| no_and_expr '-' expr		{ $$= new Item_func_minus($1,$3); }
	| no_and_expr '*' expr		{ $$= new Item_func_mul($1,$3); }
	| no_and_expr '/' expr		{ $$= new Item_func_div($1,$3); }
	| no_and_expr '|' expr		{ $$= new Item_func_bit_or($1,$3); }
	| no_and_expr '&' expr		{ $$= new Item_func_bit_and($1,$3); }
	| no_and_expr '%' expr		{ $$= new Item_func_mod($1,$3); }
	| no_and_expr '+' INTERVAL_SYM expr interval
	  { $$= new Item_date_add_interval($1,$4,$5,0); }
	| no_and_expr '-' INTERVAL_SYM expr interval
	  { $$= new Item_date_add_interval($1,$4,$5,1); }
	| simple_expr

simple_expr:
	simple_ident
	| literal
	| '@' ident_or_text SET_VAR expr { $$= new Item_func_set_user_var($2,$4); }
	| '@' ident_or_text	 { $$= new Item_func_get_user_var($2); }
1444
	| '@' '@' ident_or_text	 { if (!($$= get_system_var($3))) YYABORT; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
	| sum_expr
	| '-' expr %prec NEG	{ $$= new Item_func_neg($2); }
	| '~' expr %prec NEG	{ $$= new Item_func_bit_neg($2); }
	| NOT expr %prec NEG	{ $$= new Item_func_not($2); }
	| '!' expr %prec NEG	{ $$= new Item_func_not($2); }
	| '(' expr ')'		{ $$= $2; }
	| '{' ident expr '}'	{ $$= $3; }
        | MATCH '(' ident_list ')' AGAINST '(' expr ')'
          { Lex->ftfunc_list.push_back(
                   (Item_func_match *)($$=new Item_func_match(*$3,$7))); }
        | MATCH ident_list AGAINST '(' expr ')'
          { Lex->ftfunc_list.push_back(
                   (Item_func_match *)($$=new Item_func_match(*$2,$5))); }
	| BINARY expr %prec NEG	{ $$= new Item_func_binary($2); }
	| CASE_SYM opt_expr WHEN_SYM when_list opt_else END
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1460
	  { $$= new Item_func_case(* $4, $2, $5 ) }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590
	| FUNC_ARG0 '(' ')'
	  { $$= ((Item*(*)(void))($1.symbol->create_func))();}
	| FUNC_ARG1 '(' expr ')'
	  { $$= ((Item*(*)(Item*))($1.symbol->create_func))($3);}
	| FUNC_ARG2 '(' expr ',' expr ')'
	  { $$= ((Item*(*)(Item*,Item*))($1.symbol->create_func))($3,$5);}
	| FUNC_ARG3 '(' expr ',' expr ',' expr ')'
	  { $$= ((Item*(*)(Item*,Item*,Item*))($1.symbol->create_func))($3,$5,$7);}
	| ATAN	'(' expr ')'
	  { $$= new Item_func_atan($3); }
	| ATAN	'(' expr ',' expr ')'
	  { $$= new Item_func_atan($3,$5); }
	| CHAR_SYM '(' expr_list ')'
	  { $$= new Item_func_char(*$3); }
	| COALESCE '(' expr_list ')'
	  { $$= new Item_func_coalesce(* $3); }
	| CONCAT '(' expr_list ')'
	  { $$= new Item_func_concat(* $3); }
	| CONCAT_WS '(' expr ',' expr_list ')'
	  { $$= new Item_func_concat_ws($3, *$5); }
	| CURDATE optional_braces
	  { $$= new Item_func_curdate(); }
	| CURTIME optional_braces
	  { $$= new Item_func_curtime(); }
	| CURTIME '(' expr ')'
	  { $$= new Item_func_curtime($3); }
	| DATE_ADD_INTERVAL '(' expr ',' INTERVAL_SYM expr interval ')'
	  { $$= new Item_date_add_interval($3,$6,$7,0); }
	| DATE_SUB_INTERVAL '(' expr ',' INTERVAL_SYM expr interval ')'
	  { $$= new Item_date_add_interval($3,$6,$7,1); }
	| DATABASE '(' ')'
	  { $$= new Item_func_database(); }
	| ELT_FUNC '(' expr ',' expr_list ')'
	  { $$= new Item_func_elt($3, *$5); }
	| MAKE_SET_SYM '(' expr ',' expr_list ')'
	  { $$= new Item_func_make_set($3, *$5); }
	| ENCRYPT '(' expr ')' 		  { $$= new Item_func_encrypt($3); }
	| ENCRYPT '(' expr ',' expr ')'   { $$= new Item_func_encrypt($3,$5); }
	| DECODE_SYM '(' expr ',' TEXT_STRING ')'
	  { $$= new Item_func_decode($3,$5.str); }
	| ENCODE_SYM '(' expr ',' TEXT_STRING ')'
	 { $$= new Item_func_encode($3,$5.str); }
	| EXPORT_SET '(' expr ',' expr ',' expr ')'
		{ $$= new Item_func_export_set($3, $5, $7); }
	| EXPORT_SET '(' expr ',' expr ',' expr ',' expr ')'
		{ $$= new Item_func_export_set($3, $5, $7, $9); }
	| EXPORT_SET '(' expr ',' expr ',' expr ',' expr ',' expr ')'
		{ $$= new Item_func_export_set($3, $5, $7, $9, $11); }
	| FORMAT_SYM '(' expr ',' NUM ')'
	  { $$= new Item_func_format($3,atoi($5.str)); }
	| FROM_UNIXTIME '(' expr ')'
	  { $$= new Item_func_from_unixtime($3); }
	| FROM_UNIXTIME '(' expr ',' expr ')'
	  {
	    $$= new Item_func_date_format(new Item_func_from_unixtime($3),$5,0);
	  }
	| FIELD_FUNC '(' expr ',' expr_list ')'
	  { $$= new Item_func_field($3, *$5); }
	| HOUR_SYM '(' expr ')'
	  { $$= new Item_func_hour($3); }
	| IF '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_if($3,$5,$7); }
	| INSERT '(' expr ',' expr ',' expr ',' expr ')'
	  { $$= new Item_func_insert($3,$5,$7,$9); }
	| INTERVAL_SYM expr interval '+' expr
	  /* we cannot put interval before - */
	  { $$= new Item_date_add_interval($5,$2,$3,0); }
	| INTERVAL_SYM '(' expr ',' expr_list ')'
	  { $$= new Item_func_interval($3,* $5); }
	| LAST_INSERT_ID '(' ')'
	  {
	    $$= new Item_int((char*) "last_insert_id()",
			     current_thd->insert_id(),21);
	  }
	| LAST_INSERT_ID '(' expr ')'
	  {
	    $$= new Item_func_set_last_insert_id($3);
	  }
	| LEFT '(' expr ',' expr ')'
	  { $$= new Item_func_left($3,$5); }
	| LOCATE '(' expr ',' expr ')'
	  { $$= new Item_func_locate($5,$3); }
	| LOCATE '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_locate($5,$3,$7); }
 	| GREATEST_SYM '(' expr ',' expr_list ')'
	  { $5->push_front($3); $$= new Item_func_max(*$5); }
	| LEAST_SYM '(' expr ',' expr_list ')'
	  { $5->push_front($3); $$= new Item_func_min(*$5); }
	| MINUTE_SYM '(' expr ')'
	  { $$= new Item_func_minute($3); }
	| MONTH_SYM '(' expr ')'
	  { $$= new Item_func_month($3); }
	| NOW_SYM optional_braces
	  { $$= new Item_func_now(); }
	| NOW_SYM '(' expr ')'
	  { $$= new Item_func_now($3); }
	| PASSWORD '(' expr ')' 	  { $$= new Item_func_password($3); }
	| POSITION_SYM '(' no_in_expr IN_SYM expr ')'
	  { $$ = new Item_func_locate($5,$3); }
	| RAND '(' expr ')'	{ $$= new Item_func_rand($3); }
	| RAND '(' ')'		{ $$= new Item_func_rand(); }
	| REPLACE '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_replace($3,$5,$7); }
	| RIGHT '(' expr ',' expr ')'
	  { $$= new Item_func_right($3,$5); }
	| ROUND '(' expr ')'
	  { $$= new Item_func_round($3, new Item_int((char*)"0",0,1),0); }
	| ROUND '(' expr ',' expr ')' { $$= new Item_func_round($3,$5,0); }
	| SECOND_SYM '(' expr ')'
	  { $$= new Item_func_second($3); }
	| SUBSTRING '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_substr($3,$5,$7); }
	| SUBSTRING '(' expr ',' expr ')'
	  { $$= new Item_func_substr($3,$5); }
	| SUBSTRING '(' expr FROM expr FOR_SYM expr ')'
	  { $$= new Item_func_substr($3,$5,$7); }
	| SUBSTRING '(' expr FROM expr ')'
	  { $$= new Item_func_substr($3,$5); }
	| SUBSTRING_INDEX '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_substr_index($3,$5,$7); }
	| TRIM '(' expr ')'
	  { $$= new Item_func_trim($3,new Item_string(" ",1)); }
	| TRIM '(' LEADING opt_pad FROM expr ')'
	  { $$= new Item_func_ltrim($6,$4); }
	| TRIM '(' TRAILING opt_pad FROM expr ')'
	  { $$= new Item_func_rtrim($6,$4); }
	| TRIM '(' BOTH opt_pad FROM expr ')'
	  { $$= new Item_func_trim($6,$4); }
	| TRIM '(' expr FROM expr ')'
	  { $$= new Item_func_trim($5,$3); }
1591 1592
	| TRUNCATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_round($3,$5,1); }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654
	| UDA_CHAR_SUM '(' udf_expr_list ')'
	  {
	    if ($3 != NULL)
	      $$ = new Item_sum_udf_str($1, *$3);
	    else
	      $$ = new Item_sum_udf_str($1);
	  }
	| UDA_FLOAT_SUM '(' udf_expr_list ')'
	  {
	    if ($3 != NULL)
	      $$ = new Item_sum_udf_float($1, *$3);
	    else
	      $$ = new Item_sum_udf_float($1);
	  }
	| UDA_INT_SUM '(' udf_expr_list ')'
	  {
	    if ($3 != NULL)
	      $$ = new Item_sum_udf_int($1, *$3);
	    else
	      $$ = new Item_sum_udf_int($1);
	  }
	| UDF_CHAR_FUNC '(' udf_expr_list ')'
	  {
	    if ($3 != NULL)
	      $$ = new Item_func_udf_str($1, *$3);
	    else
	      $$ = new Item_func_udf_str($1);
	  }
	| UDF_FLOAT_FUNC '(' udf_expr_list ')'
	  {
	    if ($3 != NULL)
	      $$ = new Item_func_udf_float($1, *$3);
	    else
	      $$ = new Item_func_udf_float($1);
	  }
	| UDF_INT_FUNC '(' udf_expr_list ')'
	  {
	    if ($3 != NULL)
	      $$ = new Item_func_udf_int($1, *$3);
	    else
	      $$ = new Item_func_udf_int($1);
	  }
	| UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' expr_list ')'
	  { $$= new Item_func_unique_users($3,atoi($5.str),atoi($7.str), * $9); }
	| UNIX_TIMESTAMP '(' ')'
	  { $$= new Item_func_unix_timestamp(); }
	| UNIX_TIMESTAMP '(' expr ')'
	  { $$= new Item_func_unix_timestamp($3); }
	| USER '(' ')'
	  { $$= new Item_func_user(); }
	| WEEK_SYM '(' expr ')'
	  { $$= new Item_func_week($3,new Item_int((char*) "0",0,1)); }
	| WEEK_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_week($3,$5); }
	| YEAR_SYM '(' expr ')'
	  { $$= new Item_func_year($3); }
	| YEARWEEK '(' expr ')'
	  { $$= new Item_func_yearweek($3,new Item_int((char*) "0",0,1)); }
	| YEARWEEK '(' expr ',' expr ')'
	  { $$= new Item_func_yearweek($3, $5); }
	| BENCHMARK_SYM '(' ULONG_NUM ',' expr ')'
	  { $$=new Item_func_benchmark($3,$5); }
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1655
	| EXTRACT_SYM '(' interval FROM expr ')'
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725
	{ $$=new Item_extract( $3, $5); }

udf_expr_list:
	/* empty */	{ $$= NULL; }
	| expr_list	{ $$= $1;}

sum_expr:
	AVG_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_avg($3); }
	| BIT_AND  '(' in_sum_expr ')'
	  { $$=new Item_sum_and($3); }
	| BIT_OR  '(' in_sum_expr ')'
	  { $$=new Item_sum_or($3); }
	| COUNT_SYM '(' '*' ')'
	  { $$=new Item_sum_count(new Item_int((int32) 0L,1)); }
	| COUNT_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_count($3); }
	| COUNT_SYM '(' DISTINCT expr_list ')'
	  { $$=new Item_sum_count_distinct(* $4); }
	| GROUP_UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' in_sum_expr ')'
	  { $$= new Item_sum_unique_users($3,atoi($5.str),atoi($7.str),$9); }
	| MIN_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_min($3); }
	| MAX_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_max($3); }
	| STD_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_std($3); }
	| SUM_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_sum($3); }

in_sum_expr:
	{ Lex->in_sum_expr++ }
	expr
	{
	  Lex->in_sum_expr--;
	  $$=$2;
	}

expr_list:
	{ Lex->expr_list.push_front(new List<Item>); }
	expr_list2
	{ $$= Lex->expr_list.pop(); }

expr_list2:
	expr { Lex->expr_list.head()->push_back($1); }
	| expr_list2 ',' expr { Lex->expr_list.head()->push_back($3); }

ident_list:
        { Lex->expr_list.push_front(new List<Item>); }
        ident_list2
        { $$= Lex->expr_list.pop(); }

ident_list2:
        simple_ident { Lex->expr_list.head()->push_back($1); }
        | ident_list2 ',' simple_ident { Lex->expr_list.head()->push_back($3); }

opt_expr:
	/* empty */      { $$= NULL; }
	| expr         	 { $$= $1; }

opt_else:
	/* empty */    { $$= NULL; }
	| ELSE expr    { $$= $2; }

when_list:
        { Lex->when_list.push_front(new List<Item>) }
	when_list2
	{ $$= Lex->when_list.pop(); }

when_list2:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1726
	expr THEN_SYM expr
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1727 1728 1729 1730
	  {
	    Lex->when_list.head()->push_back($1);
	    Lex->when_list.head()->push_back($3);
	}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
1731
	| when_list2 WHEN_SYM expr THEN_SYM expr
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753
	  {
	    Lex->when_list.head()->push_back($3);
	    Lex->when_list.head()->push_back($5);
	  }

opt_pad:
	/* empty */ { $$=new Item_string(" ",1); }
	| expr	    { $$=$1; }

join_table_list:
	'(' join_table_list ')'	{ $$=$2; }
	| join_table		{ $$=$1; }
	| join_table_list normal_join join_table { $$=$3 }
	| join_table_list STRAIGHT_JOIN join_table { $$=$3 ; $$->straight=1; }
	| join_table_list INNER_SYM JOIN_SYM join_table ON expr
	  { add_join_on($4,$6); $$=$4; }
	| join_table_list INNER_SYM JOIN_SYM join_table
	  { Lex->db1=$1->db; Lex->table1=$1->name;
	    Lex->db2=$4->db; Lex->table2=$4->name; }
	  USING '(' using_list ')'
	  { add_join_on($4,$8); $$=$4; }
	| join_table_list LEFT opt_outer JOIN_SYM join_table ON expr
1754
	  { add_join_on($5,$7); $5->outer_join|=JOIN_TYPE_LEFT; $$=$5; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1755 1756 1757 1758
	| join_table_list LEFT opt_outer JOIN_SYM join_table
	  { Lex->db1=$1->db; Lex->table1=$1->name;
	    Lex->db2=$5->db; Lex->table2=$5->name; }
	  USING '(' using_list ')'
1759
	  { add_join_on($5,$9); $5->outer_join|=JOIN_TYPE_LEFT; $$=$5; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1760
	| join_table_list NATURAL LEFT opt_outer JOIN_SYM join_table
1761 1762 1763 1764 1765 1766 1767 1768 1769 1770
	  { add_join_natural($1,$6); $6->outer_join|=JOIN_TYPE_LEFT; $$=$6; }
	| join_table_list RIGHT opt_outer JOIN_SYM join_table ON expr
	  { add_join_on($1,$7); $1->outer_join|=JOIN_TYPE_RIGHT; $$=$1; }
	| join_table_list RIGHT opt_outer JOIN_SYM join_table
	  { Lex->db1=$1->db; Lex->table1=$1->name;
	    Lex->db2=$5->db; Lex->table2=$5->name; }
	  USING '(' using_list ')'
	  { add_join_on($1,$9); $1->outer_join|=JOIN_TYPE_RIGHT; $$=$1; }
	| join_table_list NATURAL RIGHT opt_outer JOIN_SYM join_table
	  { add_join_natural($6,$1); $1->outer_join|=JOIN_TYPE_RIGHT; $$=$1; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781
	| join_table_list NATURAL JOIN_SYM join_table
	  { add_join_natural($1,$4); $$=$4; }

normal_join:
	',' {}
	| JOIN_SYM {}
	| CROSS JOIN_SYM {}

join_table:
	{ Lex->use_index_ptr=Lex->ignore_index_ptr=0; }
        table_ident opt_table_alias opt_key_definition
1782
	{ if (!($$=add_table_to_list($2,$3,0,TL_UNLOCK, Lex->use_index_ptr,
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1783 1784
	                             Lex->ignore_index_ptr))) YYABORT; }
	| '{' ident join_table LEFT OUTER JOIN_SYM join_table ON expr '}'
1785
	  { add_join_on($7,$9); $7->outer_join|=JOIN_TYPE_LEFT; $$=$7; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870

opt_outer:
	/* empty */	{}
	| OUTER		{}

opt_key_definition:
	/* empty */	{}
	| USE_SYM    key_usage_list
          { Lex->use_index= *$2; Lex->use_index_ptr= &Lex->use_index; }
	| IGNORE_SYM key_usage_list
	  { Lex->ignore_index= *$2; Lex->ignore_index_ptr= &Lex->ignore_index;}

key_usage_list:
	key_or_index { Lex->interval_list.empty() } '(' key_usage_list2 ')'
        { $$= &Lex->interval_list; }

key_usage_list2:
	key_usage_list2 ',' ident
        { Lex->interval_list.push_back(new String((const char*) $3.str,$3.length)); }
	| ident
        { Lex->interval_list.push_back(new String((const char*) $1.str,$1.length)); }
	| PRIMARY_SYM
        { Lex->interval_list.push_back(new String("PRIMARY",7)); }

using_list:
	ident
	  { if (!($$= new Item_func_eq(new Item_field(Lex->db1,Lex->table1, $1.str), new Item_field(Lex->db2,Lex->table2,$1.str))))
	      YYABORT;
	  }
	| using_list ',' ident
	  {
	    if (!($$= new Item_cond_and(new Item_func_eq(new Item_field(Lex->db1,Lex->table1,$3.str), new Item_field(Lex->db2,Lex->table2,$3.str)), $1)))
	      YYABORT;
	  }

interval:
	 DAY_HOUR_SYM		{ $$=INTERVAL_DAY_HOUR; }
	| DAY_MINUTE_SYM	{ $$=INTERVAL_DAY_MINUTE; }
	| DAY_SECOND_SYM	{ $$=INTERVAL_DAY_SECOND; }
	| DAY_SYM		{ $$=INTERVAL_DAY; }
	| HOUR_MINUTE_SYM	{ $$=INTERVAL_HOUR_MINUTE; }
	| HOUR_SECOND_SYM	{ $$=INTERVAL_HOUR_SECOND; }
	| HOUR_SYM		{ $$=INTERVAL_HOUR; }
	| MINUTE_SECOND_SYM	{ $$=INTERVAL_MINUTE_SECOND; }
	| MINUTE_SYM		{ $$=INTERVAL_MINUTE; }
	| MONTH_SYM		{ $$=INTERVAL_MONTH; }
	| SECOND_SYM		{ $$=INTERVAL_SECOND; }
	| YEAR_MONTH_SYM	{ $$=INTERVAL_YEAR_MONTH; }
	| YEAR_SYM		{ $$=INTERVAL_YEAR; }

table_alias:
	/* empty */
	| AS
	| EQ

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


where_clause:
	/* empty */  { Lex->where= 0; }
	| WHERE expr { Lex->where= $2; }

having_clause:
	/* empty */
	| HAVING { Lex->create_refs=1; } expr
	{ Lex->having= $3; Lex->create_refs=0; }

opt_escape:
	ESCAPE_SYM TEXT_STRING	{ $$= $2.str; }
	| /* empty */		{ $$= (char*) "\\"; }


/*
** group by statement in select
*/

group_clause:
	/* empty */
	| GROUP BY group_list

group_list:
	group_list ',' group_ident
1871 1872 1873
	  { if (add_group_to_list($3,(bool) 1)) YYABORT; }
	| group_ident
	  { if (add_group_to_list($1,(bool) 1)) YYABORT; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1874 1875 1876 1877 1878

/*
** Order by statement in select
*/

1879
opt_order_clause:
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1880
	/* empty */
1881 1882 1883 1884
	| order_clause

order_clause:
	ORDER_SYM BY { Lex->sort_default=1; } order_list
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977

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

order_dir:
	/* empty */ { $$ =  1; }
	| ASC  { $$ = Lex->sort_default=1; }
	| DESC { $$ = Lex->sort_default=0; }


limit_clause:
	/* empty */
	{
	  Lex->select_limit= current_thd->default_select_limit;
	  Lex->offset_limit= 0L;
	}
	| LIMIT ULONG_NUM
	  { Lex->select_limit= $2; Lex->offset_limit=0L; }
	| LIMIT ULONG_NUM ',' ULONG_NUM
	  { Lex->select_limit= $4; Lex->offset_limit=$2; }

delete_limit_clause:
	/* empty */
	{
	  Lex->select_limit= HA_POS_ERROR;
	}
	| LIMIT ULONGLONG_NUM
	{ Lex->select_limit= (ha_rows) $2; }

ULONG_NUM:
	NUM { $$= strtoul($1.str,NULL,10); }
	| REAL_NUM { $$= strtoul($1.str,NULL,10); }
	| FLOAT_NUM { $$= strtoul($1.str,NULL,10); }

ULONGLONG_NUM:
	NUM	   { $$= (ulonglong) strtoul($1.str,NULL,10); }
	| LONG_NUM { $$= strtoull($1.str,NULL,10); }
	| REAL_NUM { $$= strtoull($1.str,NULL,10); }
	| FLOAT_NUM { $$= strtoull($1.str,NULL,10); }

procedure_clause:
	/* empty */
	| PROCEDURE ident			/* Procedure name */
	  {
	    LEX *lex=Lex;
	    lex->proc_list.elements=0;
	    lex->proc_list.first=0;
	    lex->proc_list.next= (byte**) &lex->proc_list.first;
	    if (add_proc_to_list(new Item_field(NULL,NULL,$2.str)))
	      YYABORT;
	  }
	  '(' procedure_list ')'


procedure_list:
	/* empty */ {}
	| procedure_list2 {}

procedure_list2:
	procedure_list2 ',' procedure_item
	| procedure_item

procedure_item:
	  remember_name expr
	  {
	    if (add_proc_to_list($2))
	      YYABORT;
	    if (!$2->name)
	      $2->set_name($1,(uint) ((char*) Lex->tok_end - $1));
	  }

opt_into:
	INTO OUTFILE TEXT_STRING
	{
	  if (!(Lex->exchange= new sql_exchange($3.str,0)))
	    YYABORT;
	}
	opt_field_term opt_line_term
	| INTO DUMPFILE TEXT_STRING
	{
	  if (!(Lex->exchange= new sql_exchange($3.str,1)))
	    YYABORT;
	}


/*
** Drop : delete tables or index
*/

drop:
1978
	DROP TABLE_SYM if_exists table_list opt_restrict
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
	{
	  Lex->sql_command = SQLCOM_DROP_TABLE;
	  Lex->drop_if_exists = $3;
	}
	| DROP INDEX ident ON table_ident {}
	  {
	     Lex->sql_command= SQLCOM_DROP_INDEX;
	     Lex->drop_list.empty();
	     Lex->drop_list.push_back(new Alter_drop(Alter_drop::KEY,
						     $3.str));
1989
	     if (!add_table_to_list($5,NULL, 1))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
	      YYABORT;
	  }
	| DROP DATABASE if_exists ident
	  {
	    Lex->sql_command= SQLCOM_DROP_DB;
	    Lex->drop_if_exists=$3;
	    Lex->name=$4.str;
	 }
	| DROP UDF_SYM ident
	  {
	    Lex->sql_command = SQLCOM_DROP_FUNCTION;
	    Lex->udf.name=$3.str;
	  }


table_list:
	table
	| table_list ',' table

table:
	table_ident
2011
	{ if (!add_table_to_list($1,NULL,1)) YYABORT; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074

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

/*
** Insert : add new data to table
*/

insert:
	INSERT { Lex->sql_command = SQLCOM_INSERT; } insert_lock_option opt_ignore insert2 insert_field_spec

replace:
	REPLACE { Lex->sql_command = SQLCOM_REPLACE; } replace_lock_option insert2 insert_field_spec

insert_lock_option:
	/* empty */	{ Lex->lock_option= TL_WRITE_CONCURRENT_INSERT; }
	| LOW_PRIORITY	{ Lex->lock_option= TL_WRITE_LOW_PRIORITY; }
	| DELAYED_SYM	{ Lex->lock_option= TL_WRITE_DELAYED; }
	| HIGH_PRIORITY { Lex->lock_option= TL_WRITE; }

replace_lock_option:
	opt_low_priority {}
	| DELAYED_SYM	{ Lex->lock_option= TL_WRITE_DELAYED; }

insert2:
	INTO insert_table {}
	| insert_table {}

insert_table:
	table
	{
	  Lex->field_list.empty();
	  Lex->many_values.empty();
	  Lex->insert_list=0;
	}

insert_field_spec:
	opt_field_spec insert_values {}
	| SET
	  {
	    if (!(Lex->insert_list = new List_item) ||
		Lex->many_values.push_back(Lex->insert_list))
	      YYABORT;
	   }
	   ident_eq_list

opt_field_spec:
	/* empty */	  { }
	| '(' fields ')'  { }
	| '(' ')'	  { }

fields:
	fields ',' insert_ident { Lex->field_list.push_back($3); }
	| insert_ident		{ Lex->field_list.push_back($1); }

insert_values:
	VALUES	values_list  {}
	| SELECT_SYM
	  {
	    LEX *lex=Lex;
	    lex->sql_command = (lex->sql_command == SQLCOM_INSERT ?
				SQLCOM_INSERT_SELECT : SQLCOM_REPLACE_SELECT);
2075
	    lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
2076
	    mysql_init_select(lex);
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2077
	  }
2078
	  select_options select_item_list select_from select_lock_type {}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152

values_list:
	values_list ','  no_braces
	| no_braces

ident_eq_list:
	ident_eq_list ',' ident_eq_value
	|
	ident_eq_value

ident_eq_value:
	simple_ident equal expr
	 {
	  if (Lex->field_list.push_back($1) ||
	      Lex->insert_list->push_back($3))
	    YYABORT;
	 }

equal:	EQ		{}
	| SET_VAR	{}

no_braces:
	 '('
	 {
	    if (!(Lex->insert_list = new List_item))
	      YYABORT;
	 }
	 opt_values ')'
	 {
	  if (Lex->many_values.push_back(Lex->insert_list))
	    YYABORT;
	 }

opt_values:
	/* empty */ {}
	| values

values:
	values ','  expr
	{
	  if (Lex->insert_list->push_back($3))
	    YYABORT;
	}
	| expr
	{
	  if (Lex->insert_list->push_back($1))
	    YYABORT;
	}

/* Update rows in a table */

update:
	UPDATE_SYM opt_low_priority opt_ignore table SET update_list where_clause delete_limit_clause
	{ Lex->sql_command = SQLCOM_UPDATE; }

update_list:
	update_list ',' simple_ident equal expr
	{
	  if (add_item_to_list($3) || add_value_to_list($5))
	    YYABORT;
	}
	| simple_ident equal expr
	  {
	    if (add_item_to_list($1) || add_value_to_list($3))
	      YYABORT;
	  }

opt_low_priority:
	/* empty */	{ Lex->lock_option= current_thd->update_lock_default; }
	| LOW_PRIORITY	{ Lex->lock_option= TL_WRITE_LOW_PRIORITY; }

/* Delete rows from a table */

delete:
2153
	DELETE_SYM
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2154 2155 2156 2157
	{
	  Lex->sql_command= SQLCOM_DELETE; Lex->options=0;
	  Lex->lock_option= current_thd->update_lock_default;
	}
2158 2159
        opt_delete_options FROM table
	where_clause delete_limit_clause
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2160 2161


2162 2163 2164 2165 2166 2167 2168 2169
opt_delete_options:
	/* empty */	    {}
	| opt_delete_option opt_delete_options {}

opt_delete_option:
	QUICK		{ Lex->options|= OPTION_QUICK; }
	| LOW_PRIORITY	{ Lex->lock_option= TL_WRITE_LOW_PRIORITY; }

2170
truncate:
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2171
	TRUNCATE_SYM opt_table_sym table
2172 2173 2174
	{ Lex->sql_command= SQLCOM_TRUNCATE; Lex->options=0;
	  Lex->lock_option= current_thd->update_lock_default; }

monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2175 2176 2177 2178
opt_table_sym:
	/* empty */
	| TABLE_SYM

bk@work.mysql.com's avatar
bk@work.mysql.com committed
2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192
/* Show things */

show:	SHOW { Lex->wild=0;} show_param

show_param:
	DATABASES wild
	  { Lex->sql_command= SQLCOM_SHOW_DATABASES; }
	| TABLES opt_db wild
	  { Lex->sql_command= SQLCOM_SHOW_TABLES; Lex->db= $2; Lex->options=0;}
	| TABLE_SYM STATUS_SYM opt_db wild
	  { Lex->sql_command= SQLCOM_SHOW_TABLES;
	    Lex->options|= SELECT_DESCRIBE;
	    Lex->db= $3;
	  }
2193 2194 2195 2196 2197
	| OPEN_SYM TABLES opt_db wild
	  { Lex->sql_command= SQLCOM_SHOW_OPEN_TABLES;
	    Lex->db= $3;
	    Lex->options=0;
	  }
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2198
	| opt_full COLUMNS FROM table_ident opt_db wild
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2199 2200
	  {
	    Lex->sql_command= SQLCOM_SHOW_FIELDS;
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2201 2202 2203
	    if ($5)
	      $4->change_db($5);
	    if (!add_table_to_list($4,NULL,0))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2204 2205
	      YYABORT;
	  }
2206 2207 2208 2209
        | MASTER_SYM LOGS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_BINLOGS;
          }      
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2210 2211 2212 2213 2214
	| keys_or_index FROM table_ident opt_db
	  {
	    Lex->sql_command= SQLCOM_SHOW_KEYS;
	    if ($4)
	      $3->change_db($4);
2215
	    if (!add_table_to_list($3,NULL,0))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2216 2217 2218 2219
	      YYABORT;
	  }
	| STATUS_SYM wild
	  { Lex->sql_command= SQLCOM_SHOW_STATUS; }
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2220 2221
	| opt_full PROCESSLIST_SYM
	  { Lex->sql_command= SQLCOM_SHOW_PROCESSLIST;}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2222 2223
	| VARIABLES wild
	  { Lex->sql_command= SQLCOM_SHOW_VARIABLES; }
tim@cane.mysql.fi's avatar
tim@cane.mysql.fi committed
2224 2225
	| LOGS_SYM
	  { Lex->sql_command= SQLCOM_SHOW_LOGS; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2226 2227 2228 2229 2230 2231
	| GRANTS FOR_SYM user
	  { Lex->sql_command= SQLCOM_SHOW_GRANTS;
	    Lex->grant_user=$3; Lex->grant_user->password.str=NullS; }
        | CREATE TABLE_SYM table_ident
          {
	    Lex->sql_command = SQLCOM_SHOW_CREATE;
2232
	    if(!add_table_to_list($3, NULL,0))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2233 2234 2235 2236 2237
	      YYABORT;
	  }
        | MASTER_SYM STATUS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_MASTER_STAT;
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2238
          }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2239 2240 2241
        | SLAVE STATUS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_SLAVE_STAT;
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2242
          }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2243 2244 2245 2246 2247 2248 2249 2250 2251

opt_db:
	/* empty */  { $$= 0; }
	| FROM ident { $$= $2.str; }

wild:
	/* empty */
	| LIKE text_string { Lex->wild= $2; }

monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2252 2253 2254 2255
opt_full:
	/* empty */ { Lex->verbose=0; }
	| FULL	    { Lex->verbose=1; }

bk@work.mysql.com's avatar
bk@work.mysql.com committed
2256 2257 2258 2259 2260
/* A Oracle compatible synonym for show */
describe:
	describe_command table_ident
	{
	  Lex->wild=0;
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2261
	  Lex->verbose=0;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2262
	  Lex->sql_command=SQLCOM_SHOW_FIELDS;
2263
	  if (!add_table_to_list($2, NULL,0))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289
	    YYABORT;
	}
	opt_describe_column
	| describe_command select { Lex->options|= SELECT_DESCRIBE };


describe_command:
	DESC
	| DESCRIBE

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


/* flush things */

flush:
	FLUSH_SYM {Lex->sql_command= SQLCOM_FLUSH; Lex->type=0; } flush_options

flush_options:
	flush_options ',' flush_option
	| flush_option

flush_option:
2290
	table_or_tables	{ Lex->type|= REFRESH_TABLES; } opt_table_list
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2291 2292 2293 2294 2295
	| TABLES WITH READ_SYM LOCK_SYM { Lex->type|= REFRESH_TABLES | REFRESH_READ_LOCK; }
	| HOSTS_SYM	{ Lex->type|= REFRESH_HOSTS; }
	| PRIVILEGES	{ Lex->type|= REFRESH_GRANT; }
	| LOGS_SYM	{ Lex->type|= REFRESH_LOG; }
	| STATUS_SYM	{ Lex->type|= REFRESH_STATUS; }
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2296 2297
        | SLAVE         { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM    { Lex->type|= REFRESH_MASTER; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2298

2299 2300 2301
opt_table_list:
	/* empty */  {}
	| table_list {}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2302

monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313
reset:
	RESET_SYM {Lex->sql_command= SQLCOM_RESET; Lex->type=0; } reset_options

reset_options:
	reset_options ',' reset_option
	| reset_option

reset_option:
        SLAVE           { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM    { Lex->type|= REFRESH_MASTER; }

2314 2315 2316 2317 2318 2319 2320
purge:
	PURGE { Lex->sql_command = SQLCOM_PURGE; Lex->type=0;}
        MASTER_SYM LOGS_SYM TO_SYM TEXT_STRING
         {
	   Lex->to_log = $6.str;
         } 

bk@work.mysql.com's avatar
bk@work.mysql.com committed
2321 2322 2323
/* kill threads */

kill:
2324
	KILL_SYM expr
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2325
	{
2326 2327 2328 2329 2330 2331 2332
	  if ($2->fix_fields(current_thd,0))
	     { 
		send_error(&current_thd->net, ER_SET_CONSTANTS_ONLY);
	        YYABORT;
	     }
          Lex->sql_command=SQLCOM_KILL;
	  Lex->thread_id= (ulong) $2->val_int();
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352
	}

/* change database */

use:	USE_SYM ident
	{ Lex->sql_command=SQLCOM_CHANGE_DB; Lex->db= $2.str; }

/* import, export of files */

load:	LOAD DATA_SYM opt_low_priority opt_local INFILE TEXT_STRING
	{
	  Lex->sql_command= SQLCOM_LOAD;
	  Lex->local_file= $4;
	  if (!(Lex->exchange= new sql_exchange($6.str,0)))
	    YYABORT;
	  Lex->field_list.empty();
	}
	opt_duplicate INTO TABLE_SYM table_ident opt_field_term opt_line_term
	opt_ignore_lines opt_field_spec
	{
2353
	  if (!add_table_to_list($11,NULL,1))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2354 2355 2356
	    YYABORT;
	}
        |
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2357
	LOAD TABLE_SYM table_ident FROM MASTER_SYM
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2358 2359
        {
	  Lex->sql_command = SQLCOM_LOAD_MASTER_TABLE;
2360
	  if (!add_table_to_list($3,NULL,1))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2361
	    YYABORT;
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2362 2363

        }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447

opt_local:
	/* empty */	{ $$=0;}
	| LOCAL_SYM	{ $$=1;}

opt_duplicate:
	/* empty */	{ Lex->duplicates=DUP_ERROR; }
	| REPLACE	{ Lex->duplicates=DUP_REPLACE; }
	| IGNORE_SYM	{ Lex->duplicates=DUP_IGNORE; }

opt_field_term:
	/* empty */
	| COLUMNS field_term_list

field_term_list:
	field_term_list field_term
	| field_term

field_term:
	TERMINATED BY text_string { Lex->exchange->field_term= $3;}
	| OPTIONALLY ENCLOSED BY text_string
	  { Lex->exchange->enclosed= $4; Lex->exchange->opt_enclosed=1;}
	| ENCLOSED BY text_string { Lex->exchange->enclosed= $3;}
	| ESCAPED BY text_string  { Lex->exchange->escaped= $3;}

opt_line_term:
	/* empty */
	| LINES line_term_list

line_term_list:
	line_term_list line_term
	| line_term

line_term:
	TERMINATED BY text_string { Lex->exchange->line_term= $3;}
	| STARTING BY text_string { Lex->exchange->line_start= $3;}

opt_ignore_lines:
	/* empty */
	| IGNORE_SYM NUM LINES
	  { Lex->exchange->skip_lines=atol($2.str); }

/* Common definitions */

text_literal:
	TEXT_STRING { $$ = new Item_string($1.str,$1.length); }
	| text_literal TEXT_STRING
	{ ((Item_string*) $1)->append($2.str,$2.length); }

text_string:
	TEXT_STRING	{ $$=  new String($1.str,$1.length); }
	| HEX_NUM
	  {
	    Item *tmp = new Item_varbinary($1.str,$1.length);
	    $$= tmp ? tmp->val_str((String*) 0) : (String*) 0;
	  }

literal:
	text_literal	{ $$ =	$1; }
	| NUM		{ $$ =	new Item_int($1.str, (longlong) atol($1.str),$1.length); }
	| LONG_NUM	{ $$ =	new Item_int($1.str); }
	| REAL_NUM	{ $$ =	new Item_real($1.str, $1.length); }
	| FLOAT_NUM	{ $$ =	new Item_float($1.str, $1.length); }
	| NULL_SYM	{ $$ =	new Item_null();
			  Lex->next_state=STATE_OPERATOR_OR_IDENT;}
	| HEX_NUM	{ $$ =	new Item_varbinary($1.str,$1.length)};
	| DATE_SYM text_literal { $$ = $2; }
	| TIME_SYM text_literal { $$ = $2; }
	| TIMESTAMP text_literal { $$ = $2; }

/**********************************************************************
** Createing different items.
**********************************************************************/

insert_ident:
	simple_ident	 { $$=$1; }
	| table_wild	 { $$=$1; }

table_wild:
	ident '.' '*' { $$ = new Item_field(NullS,$1.str,"*"); }
	| ident '.' ident '.' '*'
	{ $$ = new Item_field((current_thd->client_capabilities & CLIENT_NO_SCHEMA ? NullS : $1.str),$3.str,"*"); }

group_ident:
2448
	order_ident order_dir
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485

order_ident:
	expr { $$=$1; }

simple_ident:
	ident
	{ $$ = !Lex->create_refs || Lex->in_sum_expr > 0 ? (Item*) new Item_field(NullS,NullS,$1.str) : (Item*) new Item_ref(NullS,NullS,$1.str); }
	| ident '.' ident
	{ $$ = !Lex->create_refs || Lex->in_sum_expr > 0 ? (Item*) new Item_field(NullS,$1.str,$3.str) : (Item*) new Item_ref(NullS,$1.str,$3.str); }
	| '.' ident '.' ident
	{ $$ = !Lex->create_refs || Lex->in_sum_expr > 0 ? (Item*) new Item_field(NullS,$2.str,$4.str) : (Item*) new Item_ref(NullS,$2.str,$4.str); }
	| ident '.' ident '.' ident
	{ $$ = !Lex->create_refs || Lex->in_sum_expr > 0 ? (Item*) new Item_field((current_thd->client_capabilities & CLIENT_NO_SCHEMA ? NullS :$1.str),$3.str,$5.str) : (Item*) new Item_ref((current_thd->client_capabilities & CLIENT_NO_SCHEMA ? NullS :$1.str),$3.str,$5.str); }


field_ident:
	ident			{ $$=$1;}
	| ident '.' ident	{ $$=$3;}	/* Skipp schema name in create*/
	| '.' ident		{ $$=$2;}	/* For Delphi */

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

ident:
	IDENT	    { $$=$1; }
	| keyword
	{
	  $$.str=sql_strmake($1.str,$1.length);
	  $$.length=$1.length;
	  if (Lex->next_state != STATE_END)
	    Lex->next_state=STATE_OPERATOR_OR_IDENT;
	}

ident_or_text:
	ident 		{ $$=$1;}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2486
	| TEXT_STRING	{ $$=$1;}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507
	| LEX_HOSTNAME	{ $$=$1;}

user:
	ident_or_text
	{
	  if (!($$=(LEX_USER*) sql_alloc(sizeof(st_lex_user))))
	    YYABORT;
	  $$->user = $1; $$->host.str=NullS;
	  }
	| ident_or_text '@' ident_or_text
	  {
	  if (!($$=(LEX_USER*) sql_alloc(sizeof(st_lex_user))))
	      YYABORT;
	    $$->user = $1; $$->host=$3;
	  }

/* Keyword that we allow for identifiers */

keyword:
	ACTION			{}
	| AFTER_SYM		{}
2508
	| AGAINST		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2509 2510
	| AGGREGATE_SYM		{}
	| AUTOCOMMIT		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2511
	| AUTO_INC		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2512 2513
	| AVG_ROW_LENGTH	{}
	| AVG_SYM		{}
2514
	| BACKUP_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2515
	| BEGIN_SYM		{}
2516
	| BERKELEY_DB_SYM	{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2517 2518
	| BIT_SYM		{}
	| BOOL_SYM		{}
2519
	| CHANGED		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2520 2521 2522 2523
	| CHECKSUM_SYM		{}
	| CHECK_SYM		{}
	| COMMENT_SYM		{}
	| COMMIT_SYM		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2524
	| COMMITTED_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536
	| COMPRESSED_SYM	{}
	| DATA_SYM		{}
	| DATETIME		{}
	| DATE_SYM		{}
	| DAY_SYM		{}
	| DELAY_KEY_WRITE_SYM	{}
	| DUMPFILE		{}
	| DYNAMIC_SYM		{}
	| END			{}
	| ENUM			{}
	| ESCAPE_SYM		{}
	| EXTENDED_SYM		{}
2537
	| FAST_SYM		{}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2538
	| FULL			{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2539 2540 2541 2542 2543
	| FILE_SYM		{}
	| FIRST_SYM		{}
	| FIXED_SYM		{}
	| FLUSH_SYM		{}
	| GRANTS                {}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2544 2545
	| GEMINI_SYM		{}
	| GLOBAL_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2546 2547 2548 2549
	| HEAP_SYM		{}
	| HOSTS_SYM		{}
	| HOUR_SYM		{}
	| IDENTIFIED_SYM	{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2550
	| ISOLATION		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2551
	| ISAM_SYM		{}
2552
	| INNOBASE_SYM		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2553
	| LEVEL_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564
	| LOCAL_SYM		{}
	| LOGS_SYM		{}
	| MAX_ROWS		{}
	| MASTER_SYM		{}
	| MASTER_HOST_SYM	{}
	| MASTER_PORT_SYM	{}
	| MASTER_LOG_FILE_SYM	{}
	| MASTER_LOG_POS_SYM	{}
	| MASTER_USER_SYM	{}
	| MASTER_PASSWORD_SYM	{}
	| MASTER_CONNECT_RETRY_SYM	{}
2565
	| MEDIUM_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2566 2567 2568 2569
	| MERGE_SYM		{}
	| MINUTE_SYM		{}
	| MIN_ROWS		{}
	| MODIFY_SYM		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2570
	| MODE_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2571 2572 2573 2574 2575
	| MONTH_SYM		{}
	| MYISAM_SYM		{}
	| NATIONAL_SYM		{}
	| NCHAR_SYM		{}
	| NO_SYM		{}
2576
	| OPEN_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2577 2578 2579 2580
	| PACK_KEYS_SYM		{}
	| PASSWORD		{}
	| PROCESS		{}
	| PROCESSLIST_SYM	{}
2581
	| QUICK			{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2582
	| RAID_0_SYM            {}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2583 2584
	| RAID_CHUNKS		{}
	| RAID_CHUNKSIZE	{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2585
	| RAID_STRIPED_SYM      {}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2586
	| RAID_TYPE		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2587 2588
	| RELOAD		{}
	| REPAIR		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2589
	| REPEATABLE_SYM	{}
monty@donna.mysql.com's avatar
monty@donna.mysql.com committed
2590
	| RESET_SYM		{}
2591
	| RESTORE_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2592 2593 2594 2595 2596
	| ROLLBACK_SYM		{}
	| ROWS_SYM		{}
	| ROW_FORMAT_SYM	{}
	| ROW_SYM		{}
	| SECOND_SYM		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2597 2598 2599
	| SERIALIZABLE_SYM	{}
	| SESSION_SYM		{}
	| SHARE_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2600 2601 2602 2603 2604 2605 2606
	| SHUTDOWN		{}
	| START_SYM		{}
	| STATUS_SYM		{}
	| STOP_SYM		{}
	| STRING_SYM		{}
	| TEMPORARY		{}
	| TEXT_SYM		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2607
	| TRANSACTION_SYM	{}
2608
	| TRUNCATE_SYM		{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2609 2610 2611 2612
	| TIMESTAMP		{}
	| TIME_SYM		{}
	| TYPE_SYM		{}
	| UDF_SYM		{}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2613
	| UNCOMMITTED_SYM	{}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2614 2615 2616 2617 2618 2619 2620 2621 2622 2623
	| VARIABLES		{}
	| WORK_SYM		{}
	| YEAR_SYM		{}
        | SLAVE                 {}

/* Option functions */

set:
	SET opt_option
	{
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2624
	  THD *thd=current_thd;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2625
	  Lex->sql_command= SQLCOM_SET_OPTION;
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2626 2627 2628 2629
	  Lex->options=thd->options;
	  Lex->select_limit=thd->default_select_limit;
	  Lex->gemini_spin_retries=thd->gemini_spin_retries;
	  Lex->tx_isolation=thd->tx_isolation;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648
	}
	option_value_list

opt_option:
	/* empty */ {}
	| OPTION {}

option_value_list:
	option_value
	| option_value_list ',' option_value

option_value:
	set_option equal NUM
	{
	  if (atoi($3.str) == 0)
	    Lex->options&= ~$1;
	  else
	    Lex->options|= $1;
	}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2649
	| set_isolation
2650 2651 2652 2653 2654 2655 2656
	| AUTOCOMMIT equal NUM
	{
	  if (atoi($3.str) != 0)	/* Test NOT AUTOCOMMIT */
	    Lex->options&= ~(OPTION_NOT_AUTO_COMMIT);
	  else
	    Lex->options|= OPTION_NOT_AUTO_COMMIT;
	}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689
	| SQL_SELECT_LIMIT equal ULONG_NUM
	{
	  Lex->select_limit= $3;
	}
	| SQL_SELECT_LIMIT equal DEFAULT
	{
	  Lex->select_limit= HA_POS_ERROR;
	}
	| SQL_MAX_JOIN_SIZE equal ULONG_NUM
	{
	  current_thd->max_join_size= $3;
	  Lex->options&= ~OPTION_BIG_SELECTS;
	}
	| SQL_MAX_JOIN_SIZE equal DEFAULT
	{
	  current_thd->max_join_size= HA_POS_ERROR;
	}
	| TIMESTAMP equal ULONG_NUM
	{
	  current_thd->set_time((time_t) $3);
	}
	| TIMESTAMP equal DEFAULT
	{
	  current_thd->user_time=0;
	}
	| LAST_INSERT_ID equal ULONGLONG_NUM
	{
	  current_thd->insert_id($3);
	}
	| INSERT_ID equal ULONGLONG_NUM
	{
	  current_thd->next_insert_id=$3;
	}
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2690 2691 2692 2693 2694 2695 2696 2697
	| GEMINI_SPIN_RETRIES equal ULONG_NUM
	{
	  Lex->gemini_spin_retries= $3;
	}
	| GEMINI_SPIN_RETRIES equal DEFAULT
	{
	  Lex->gemini_spin_retries= 1;
	}
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728
	| CHAR_SYM SET IDENT
	{
	  CONVERT *tmp;
	  if (!(tmp=get_convert_set($3.str)))
	  {
	    net_printf(&current_thd->net,ER_UNKNOWN_CHARACTER_SET,$3);
	    YYABORT;
	  }
	  current_thd->convert_set=tmp;
	}
	| CHAR_SYM SET DEFAULT
	{
	  current_thd->convert_set=0;
	}
	| PASSWORD equal text_or_password
	 {
	   if (change_password(current_thd,current_thd->host,
			       current_thd->priv_user,$3))
	     YYABORT;
	 }
	| PASSWORD FOR_SYM user equal text_or_password
	 {
	   if (change_password(current_thd,
			       $3->host.str ? $3->host.str : current_thd->host,
			       $3->user.str,$5))
	     YYABORT;
	 }
	| '@' ident_or_text equal expr
	  {
	     Item_func_set_user_var *item = new Item_func_set_user_var($2,$4);
	     if (item->fix_fields(current_thd,0) || item->update())
2729
	     { 
2730
		send_error(&current_thd->net, ER_SET_CONSTANTS_ONLY);
2731 2732 2733
	        YYABORT;
	     }
	   }
2734 2735 2736 2737 2738 2739 2740 2741 2742
         | SQL_SLAVE_SKIP_COUNTER equal ULONG_NUM
          {
	    pthread_mutex_lock(&LOCK_slave);
	    if(slave_running)
	      send_error(&current_thd->net, ER_SLAVE_MUST_STOP);
	    else
	      slave_skip_counter = $3;
	    pthread_mutex_unlock(&LOCK_slave);
          }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758

text_or_password:
	TEXT_STRING { $$=$1.str;}
	| PASSWORD '(' TEXT_STRING ')'
	  {
	    if (!$3.length)
	      $$=$3.str;
	    else
	    {
	      char *buff=(char*) sql_alloc(HASH_PASSWORD_LENGTH+1);
	      make_scrambled_password(buff,$3.str);
	      $$=buff;
	    }
	  }

set_option:
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2759
	SQL_BIG_TABLES	        { $$= OPTION_BIG_TABLES; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2760 2761 2762 2763
	| SQL_BIG_SELECTS	{ $$= OPTION_BIG_SELECTS; }
	| SQL_LOG_OFF		{ $$= OPTION_LOG_OFF; }
	| SQL_LOG_UPDATE
           {
2764 2765 2766
	     $$= (opt_sql_bin_update)? 
                        OPTION_UPDATE_LOG|OPTION_BIN_LOG: 
                        OPTION_UPDATE_LOG ;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2767 2768 2769
	   }
	| SQL_LOG_BIN
           {
2770 2771 2772
	     $$= (opt_sql_bin_update)? 
                        OPTION_UPDATE_LOG|OPTION_BIN_LOG: 
                        OPTION_BIN_LOG ;
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2773 2774 2775 2776 2777 2778
	   }
	| SQL_WARNINGS		{ $$= OPTION_WARNINGS; }
	| SQL_LOW_PRIORITY_UPDATES { $$= OPTION_LOW_PRIORITY_UPDATES; }
	| SQL_AUTO_IS_NULL	{ $$= OPTION_AUTO_IS_NULL; }
	| SQL_SAFE_UPDATES	{ $$= OPTION_SAFE_UPDATES; }
	| SQL_BUFFER_RESULT	{ $$= OPTION_BUFFER_RESULT; }
2779
	| SQL_QUOTE_SHOW_CREATE { $$= OPTION_QUOTE_SHOW_CREATE; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2780

monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2781 2782 2783 2784 2785 2786 2787

set_isolation:
	GLOBAL_SYM tx_isolation
	{
	  if (check_process_priv())
	    YYABORT;
	  default_tx_isolation= $2;
2788
	  default_tx_isolation_name=tx_isolation_typelib.type_names[default_tx_isolation];
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2789 2790
        }
	| SESSION_SYM tx_isolation
2791
	{ current_thd->session_tx_isolation= Lex->tx_isolation= $2; }
monty@tik.mysql.fi's avatar
monty@tik.mysql.fi committed
2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803
	| tx_isolation
	{ Lex->tx_isolation= $1; }

tx_isolation:
	TRANSACTION_SYM ISOLATION LEVEL_SYM isolation_types { $$=$4; }

isolation_types:
	READ_SYM UNCOMMITTED_SYM	{ $$= ISO_READ_UNCOMMITTED; }
	| READ_SYM COMMITTED_SYM	{ $$= ISO_READ_COMMITTED; }
	| REPEATABLE_SYM READ_SYM	{ $$= ISO_REPEATABLE_READ; }
	| SERIALIZABLE_SYM		{ $$= ISO_SERIALIZABLE; }

bk@work.mysql.com's avatar
bk@work.mysql.com committed
2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822
/* Lock function */

lock:
	LOCK_SYM table_or_tables
	{
	  Lex->sql_command=SQLCOM_LOCK_TABLES;
	}
	table_lock_list

table_or_tables:
	TABLE_SYM
	| TABLES

table_lock_list:
	table_lock
	| table_lock_list ',' table_lock

table_lock:
	table_ident opt_table_alias lock_option
2823
	{ if (!add_table_to_list($1,$2,0,(thr_lock_type) $3)) YYABORT; }
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927

lock_option:
	READ_SYM	{ $$=TL_READ_NO_INSERT; }
	| WRITE_SYM     { $$=current_thd->update_lock_default; }
	| LOW_PRIORITY WRITE_SYM { $$=TL_WRITE_LOW_PRIORITY; }
	| READ_SYM LOCAL_SYM { $$= TL_READ; }

unlock:
	UNLOCK_SYM table_or_tables { Lex->sql_command=SQLCOM_UNLOCK_TABLES; }


/* GRANT / REVOKE */

revoke:
	REVOKE
	{
	  Lex->sql_command = SQLCOM_REVOKE;
	  Lex->users_list.empty();
	  Lex->columns.empty();
	  Lex->grant= Lex->grant_tot_col=0;
	  Lex->db=0;
	}
	grant_privileges ON opt_table FROM user_list

grant:
	GRANT
	{
	  Lex->sql_command = SQLCOM_GRANT;
	  Lex->users_list.empty();
	  Lex->columns.empty();
	  Lex->grant= Lex->grant_tot_col=0;
	  Lex->db=0;
	}
	grant_privileges ON opt_table TO_SYM user_list
	grant_option

grant_privileges:
	grant_privilege_list {}
	| ALL PRIVILEGES	{ Lex->grant = UINT_MAX;}
	| ALL			{ Lex->grant = UINT_MAX;}

grant_privilege_list:
	grant_privilege
	| grant_privilege_list ',' grant_privilege

grant_privilege:
	SELECT_SYM
	  { Lex->which_columns = SELECT_ACL;}
	  opt_column_list
	| INSERT
	  { Lex->which_columns = INSERT_ACL; }
	  opt_column_list
	| UPDATE_SYM
	  { Lex->which_columns = UPDATE_ACL; }
	  opt_column_list
	| DELETE_SYM { Lex->grant |= DELETE_ACL;}
	| REFERENCES { Lex->which_columns = REFERENCES_ACL;} opt_column_list
	| USAGE {}
	| INDEX		{ Lex->grant |= INDEX_ACL;}
	| ALTER		{ Lex->grant |= ALTER_ACL;}
	| CREATE	{ Lex->grant |= CREATE_ACL;}
	| DROP		{ Lex->grant |= DROP_ACL;}
	| RELOAD	{ Lex->grant |= RELOAD_ACL;}
	| SHUTDOWN	{ Lex->grant |= SHUTDOWN_ACL;}
	| PROCESS	{ Lex->grant |= PROCESS_ACL;}
	| FILE_SYM	{ Lex->grant |= FILE_ACL;}
	| GRANT OPTION  { Lex->grant |= GRANT_ACL;}

opt_table:
	'*'
	  {
	    Lex->db=current_thd->db;
	    if (Lex->grant == UINT_MAX)
	      Lex->grant = DB_ACLS & ~GRANT_ACL;
	    else if (Lex->columns.elements)
	    {
	       net_printf(&current_thd->net,ER_ILLEGAL_GRANT_FOR_TABLE);
	       YYABORT;
	     }
	  }
	| ident '.' '*'
	  {
	    Lex->db = $1.str;
	    if (Lex->grant == UINT_MAX)
	      Lex->grant = DB_ACLS & ~GRANT_ACL;
	    else if (Lex->columns.elements)
	    {
	      net_printf(&current_thd->net,ER_ILLEGAL_GRANT_FOR_TABLE);
	      YYABORT;
	    }
	  }
	| '*' '.' '*'
	  {
	    Lex->db = NULL;
	    if (Lex->grant == UINT_MAX)
	      Lex->grant = GLOBAL_ACLS & ~GRANT_ACL;
	    else if (Lex->columns.elements)
	    {
	      net_printf(&current_thd->net,ER_ILLEGAL_GRANT_FOR_TABLE);
	      YYABORT;
	    }
	  }
	| table_ident
	  {
2928
	    if (!add_table_to_list($1,NULL,0))
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991
	      YYABORT;
	    if (Lex->grant == UINT_MAX)
	      Lex->grant =  TABLE_ACLS & ~GRANT_ACL;
	  }


user_list:
	grant_user	     { if (Lex->users_list.push_back($1)) YYABORT;}
	| user_list ',' grant_user { if (Lex->users_list.push_back($3)) YYABORT;}


grant_user:
	user IDENTIFIED_SYM BY TEXT_STRING
	{
	   $$=$1; $1->password=$4;
	   if ($4.length)
	   {
	     char *buff=(char*) sql_alloc(HASH_PASSWORD_LENGTH+1);
	     if (buff)
	     {
	       make_scrambled_password(buff,$4.str);
	       $1->password.str=buff;
	       $1->password.length=HASH_PASSWORD_LENGTH;
	     }
	  }
	}
	| user IDENTIFIED_SYM BY PASSWORD TEXT_STRING
	  { $$=$1; $1->password=$5 ; }
	| user
	  { $$=$1; $1->password.str=NullS; }


opt_column_list:
	/* empty */ { Lex->grant |= Lex->which_columns; }
	| '(' column_list ')'

column_list:
	column_list ',' column_list_id
	| column_list_id

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

grant_option:
	/* empty */ {}
	| WITH GRANT OPTION { Lex->grant |= GRANT_ACL;}

begin:
2992
	BEGIN_SYM   { Lex->sql_command = SQLCOM_BEGIN;} opt_work
bk@work.mysql.com's avatar
bk@work.mysql.com committed
2993 2994 2995 2996 2997 2998 2999 3000 3001 3002

opt_work:
	/* empty */ {}
	| WORK_SYM {}

commit:
	COMMIT_SYM   { Lex->sql_command = SQLCOM_COMMIT;}

rollback:
	ROLLBACK_SYM { Lex->sql_command = SQLCOM_ROLLBACK;}