sql_yacc.yy 234 KB
Newer Older
1
/* Copyright (C) 2000-2003 MySQL AB
2

unknown's avatar
unknown 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

unknown's avatar
unknown 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

unknown's avatar
unknown 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 */

unknown's avatar
unknown committed
17
/* sql_yacc.yy */
unknown's avatar
unknown committed
18 19

%{
20 21 22
/* thd is passed as an arg to yyparse(), and subsequently to yylex().
** The type will be void*, so it must be  cast to (THD*) when used.
** Use the YYTHD macro for this.
23 24
*/
#define YYPARSE_PARAM yythd
25
#define YYLEX_PARAM yythd
26 27
#define YYTHD ((THD *)yythd)

unknown's avatar
unknown committed
28 29 30
#define MYSQL_YACC
#define YYINITDEPTH 100
#define YYMAXDEPTH 3200				/* Because of 64K stack */
31
#define Lex (YYTHD->lex)
32
#define Select Lex->current_select
unknown's avatar
unknown committed
33
#include "mysql_priv.h"
unknown's avatar
unknown committed
34
#include "slave.h"
unknown's avatar
unknown committed
35
#include "lex_symbol.h"
36
#include "item_create.h"
37 38 39 40
#include "sp_head.h"
#include "sp_pcontext.h"
#include "sp_rcontext.h"
#include "sp.h"
unknown's avatar
unknown committed
41
#include <myisam.h>
42
#include <myisammrg.h>
43

44
int yylex(void *yylval, void *yythd);
unknown's avatar
unknown committed
45

46 47
const LEX_STRING null_lex_str={0,0};

unknown's avatar
unknown committed
48
#define yyoverflow(A,B,C,D,E,F) {ulong val= *(F); if (my_yyoverflow((B), (D), &val)) { yyerror((char*) (A)); return 2; } else { *(F)= (YYSIZE_T)val; }}
unknown's avatar
unknown committed
49

unknown's avatar
unknown committed
50
#define WARN_DEPRECATED(A,B)                                        \
unknown's avatar
unknown committed
51
  push_warning_printf(((THD *)yythd), MYSQL_ERROR::WARN_LEVEL_WARN, \
unknown's avatar
unknown committed
52
		      ER_WARN_DEPRECATED_SYNTAX,                    \
53
		      ER(ER_WARN_DEPRECATED_SYNTAX), (A), (B));
unknown's avatar
unknown committed
54

unknown's avatar
unknown committed
55
#define YYERROR_UNLESS(A)                  \
unknown's avatar
unknown committed
56
  if (!(A))                             \
unknown's avatar
unknown committed
57 58 59 60 61
  {					\
    yyerror(ER(ER_SYNTAX_ERROR));	\
    YYABORT;				\
  }

62 63
/* Helper for parsing "IS [NOT] truth_value" */
inline Item *is_truth_value(Item *A, bool v1, bool v2)
unknown's avatar
unknown committed
64
{
65 66
  return new Item_func_if(create_func_ifnull(A,
	new Item_int((char *) (v2 ? "TRUE" : "FALSE"), v2, 1)),
67
	new Item_int((char *) (v1 ? "TRUE" : "FALSE"), v1, 1),
68
	new Item_int((char *) (v1 ? "FALSE" : "TRUE"),!v1, 1));
unknown's avatar
unknown committed
69 70 71 72 73 74
}

%}
%union {
  int  num;
  ulong ulong_num;
unknown's avatar
unknown committed
75
  ulonglong ulonglong_number;
unknown's avatar
unknown committed
76 77 78 79 80 81
  LEX_STRING lex_str;
  LEX_STRING *lex_str_ptr;
  LEX_SYMBOL symbol;
  Table_ident *table;
  char *simple_string;
  Item *item;
82
  Item_num *item_num;
unknown's avatar
unknown committed
83 84
  List<Item> *item_list;
  List<String> *string_list;
unknown's avatar
unknown committed
85 86 87 88 89
  String *string;
  key_part_spec *key_part;
  TABLE_LIST *table_list;
  udf_func *udf;
  LEX_USER *lex_user;
unknown's avatar
unknown committed
90
  struct sys_var_with_base variable;
91
  enum enum_var_type var_type;
unknown's avatar
unknown committed
92
  Key::Keytype key_type;
unknown's avatar
unknown committed
93
  enum ha_key_alg key_alg;
unknown's avatar
unknown committed
94 95
  enum db_type db_type;
  enum row_type row_type;
unknown's avatar
unknown committed
96
  enum ha_rkey_function ha_rkey_mode;
unknown's avatar
unknown committed
97
  enum enum_tx_isolation tx_isolation;
98
  enum Cast_target cast_type;
unknown's avatar
unknown committed
99
  enum Item_udftype udf_type;
100
  CHARSET_INFO *charset;
unknown's avatar
unknown committed
101
  thr_lock_type lock_type;
102
  interval_type interval, interval_time_st;
103
  timestamp_type date_time_type;
unknown's avatar
unknown committed
104
  st_select_lex *select_lex;
unknown's avatar
unknown committed
105
  chooser_compare_func_creator boolfunc2creator;
106 107 108 109
  struct sp_cond_type *spcondtype;
  struct { int vars, conds, hndlrs, curs; } spblock;
  sp_name *spname;
  struct st_lex *lex;
unknown's avatar
unknown committed
110 111 112
}

%{
113
bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
unknown's avatar
unknown committed
114 115 116 117
%}

%pure_parser					/* We have threads */

unknown's avatar
unknown committed
118
%token  END_OF_INPUT
unknown's avatar
unknown committed
119

120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
%token  ABORT_SYM
%token  ACTION
%token  ADD
%token  ADDDATE_SYM
%token  AFTER_SYM
%token  AGAINST
%token  AGGREGATE_SYM
%token  ALGORITHM_SYM
%token  ALL
%token  ALTER
%token  ANALYZE_SYM
%token  AND_AND_SYM
%token  AND_SYM
%token  ANY_SYM
%token  AS
%token  ASC
%token  ASCII_SYM
%token  ASENSITIVE_SYM
%token  ATAN
%token  AUTO_INC
%token  AVG_ROW_LENGTH
%token  AVG_SYM
%token  BACKUP_SYM
%token  BEFORE_SYM
%token  BEGIN_SYM
%token  BENCHMARK_SYM
%token  BERKELEY_DB_SYM
%token  BIGINT
%token  BINARY
%token  BINLOG_SYM
unknown's avatar
unknown committed
150
%token  BIN_NUM
151 152 153 154 155 156 157 158 159 160 161 162 163 164
%token  BIT_AND
%token  BIT_OR
%token  BIT_SYM
%token  BIT_XOR
%token  BLOB_SYM
%token  BOOLEAN_SYM
%token  BOOL_SYM
%token  BOTH
%token  BTREE_SYM
%token  BY
%token  BYTE_SYM
%token  CACHE_SYM
%token  CALL_SYM
%token  CASCADE
165
%token  CASCADED
166
%token  CAST_SYM
unknown's avatar
unknown committed
167
%token  CHAIN_SYM
168 169 170 171 172 173 174 175 176 177
%token  CHANGE
%token  CHANGED
%token  CHARSET
%token  CHAR_SYM
%token  CHECKSUM_SYM
%token  CHECK_SYM
%token  CIPHER_SYM
%token  CLIENT_SYM
%token  CLOSE_SYM
%token  COALESCE
unknown's avatar
unknown committed
178
%token  CODE_SYM
179 180 181 182 183 184 185
%token  COLLATE_SYM
%token  COLLATION_SYM
%token  COLUMNS
%token  COLUMN_SYM
%token  COMMENT_SYM
%token  COMMITTED_SYM
%token  COMMIT_SYM
unknown's avatar
unknown committed
186
%token  COMPACT_SYM
187 188 189 190
%token  COMPRESSED_SYM
%token  CONCAT
%token  CONCAT_WS
%token  CONCURRENT
191
%token  CONDITION_SYM
192 193 194
%token  CONNECTION_SYM
%token  CONSISTENT_SYM
%token  CONSTRAINT
195 196
%token  CONTAINS_SYM
%token  CONTINUE_SYM
197 198 199 200 201 202 203
%token  CONVERT_SYM
%token  CONVERT_TZ_SYM
%token  COUNT_SYM
%token  CREATE
%token  CROSS
%token  CUBE_SYM
%token  CURDATE
204
%token  CURRENT_USER
205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
%token  CURSOR_SYM
%token  CURTIME
%token  DATABASE
%token  DATABASES
%token  DATA_SYM
%token  DATETIME
%token  DATE_ADD_INTERVAL
%token  DATE_SUB_INTERVAL
%token  DATE_SYM
%token  DAY_HOUR_SYM
%token  DAY_MICROSECOND_SYM
%token  DAY_MINUTE_SYM
%token  DAY_SECOND_SYM
%token  DAY_SYM
%token  DEALLOCATE_SYM
unknown's avatar
unknown committed
220
%token  DECIMAL_NUM
221
%token  DECIMAL_SYM
222
%token  DECLARE_SYM
223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244
%token  DECODE_SYM
%token  DEFAULT
%token  DEFINER_SYM
%token  DELAYED_SYM
%token  DELAY_KEY_WRITE_SYM
%token  DELETE_SYM
%token  DESC
%token  DESCRIBE
%token  DES_DECRYPT_SYM
%token  DES_ENCRYPT_SYM
%token  DES_KEY_FILE
%token  DETERMINISTIC_SYM
%token  DIRECTORY_SYM
%token  DISABLE_SYM
%token  DISCARD
%token  DISTINCT
%token  DIV_SYM
%token  DOUBLE_SYM
%token  DO_SYM
%token  DROP
%token  DUAL_SYM
%token  DUMPFILE
unknown's avatar
unknown committed
245
%token  DUPLICATE_SYM
246
%token  DYNAMIC_SYM
247
%token  EACH_SYM
248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265
%token  ELSEIF_SYM
%token  ELT_FUNC
%token  ENABLE_SYM
%token  ENCLOSED
%token  ENCODE_SYM
%token  ENCRYPT
%token  END
%token  ENGINES_SYM
%token  ENGINE_SYM
%token  ENUM
%token  EQ
%token  EQUAL_SYM
%token  ERRORS
%token  ESCAPED
%token  ESCAPE_SYM
%token  EVENTS_SYM
%token  EXECUTE_SYM
%token  EXISTS
266
%token  EXIT_SYM
267 268 269 270 271 272
%token  EXPANSION_SYM
%token  EXPORT_SET
%token  EXTENDED_SYM
%token  EXTRACT_SYM
%token  FALSE_SYM
%token  FAST_SYM
273
%token  FETCH_SYM
274 275 276 277 278 279 280 281 282 283 284
%token  FIELD_FUNC
%token  FILE_SYM
%token  FIRST_SYM
%token  FIXED_SYM
%token  FLOAT_NUM
%token  FLOAT_SYM
%token  FLUSH_SYM
%token  FORCE_SYM
%token  FOREIGN
%token  FORMAT_SYM
%token  FOR_SYM
285
%token  FOUND_SYM
286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
%token  FRAC_SECOND_SYM
%token  FROM
%token  FROM_UNIXTIME
%token  FULL
%token  FULLTEXT_SYM
%token  FUNCTION_SYM
%token  FUNC_ARG0
%token  FUNC_ARG1
%token  FUNC_ARG2
%token  FUNC_ARG3
%token  GE
%token  GEOMCOLLFROMTEXT
%token  GEOMETRYCOLLECTION
%token  GEOMETRY_SYM
%token  GEOMFROMTEXT
%token  GEOMFROMWKB
%token  GET_FORMAT
%token  GLOBAL_SYM
%token  GOTO_SYM
%token  GRANT
%token  GRANTS
%token  GREATEST_SYM
%token  GROUP
%token  GROUP_CONCAT_SYM
%token  GROUP_UNIQUE_USERS
%token  GT_SYM
%token  HANDLER_SYM
%token  HASH_SYM
%token  HAVING
%token  HELP_SYM
%token  HEX_NUM
%token  HIGH_PRIORITY
%token  HOSTS_SYM
%token  HOUR_MICROSECOND_SYM
%token  HOUR_MINUTE_SYM
%token  HOUR_SECOND_SYM
%token  HOUR_SYM
%token  IDENT
%token  IDENTIFIED_SYM
%token  IDENT_QUOTED
%token  IF
%token  IGNORE_SYM
%token  IMPORT
%token  INDEXES
%token  INDEX_SYM
%token  INFILE
%token  INNER_SYM
%token  INNOBASE_SYM
334
%token  INOUT_SYM
335 336 337 338 339 340
%token  INSENSITIVE_SYM
%token  INSERT
%token  INSERT_METHOD
%token  INTERVAL_SYM
%token  INTO
%token  INT_SYM
341
%token  INVOKER_SYM
342 343 344 345 346 347 348 349 350 351
%token  IN_SYM
%token  IS
%token  ISOLATION
%token  ISSUER_SYM
%token  ITERATE_SYM
%token  JOIN_SYM
%token  KEYS
%token  KEY_SYM
%token  KILL_SYM
%token  LABEL_SYM
352
%token  LANGUAGE_SYM
353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370
%token  LAST_INSERT_ID
%token  LAST_SYM
%token  LE
%token  LEADING
%token  LEAST_SYM
%token  LEAVES
%token  LEAVE_SYM
%token  LEFT
%token  LEVEL_SYM
%token  LEX_HOSTNAME
%token  LIKE
%token  LIMIT
%token  LINEFROMTEXT
%token  LINES
%token  LINESTRING
%token  LOAD
%token  LOCAL_SYM
%token  LOCATE
371
%token  LOCATOR_SYM
372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405
%token  LOCKS_SYM
%token  LOCK_SYM
%token  LOGS_SYM
%token  LOG_SYM
%token  LONGBLOB
%token  LONGTEXT
%token  LONG_NUM
%token  LONG_SYM
%token  LOOP_SYM
%token  LOW_PRIORITY
%token  LT
%token  MAKE_SET_SYM
%token  MASTER_CONNECT_RETRY_SYM
%token  MASTER_HOST_SYM
%token  MASTER_LOG_FILE_SYM
%token  MASTER_LOG_POS_SYM
%token  MASTER_PASSWORD_SYM
%token  MASTER_PORT_SYM
%token  MASTER_POS_WAIT
%token  MASTER_SERVER_ID_SYM
%token  MASTER_SSL_CAPATH_SYM
%token  MASTER_SSL_CA_SYM
%token  MASTER_SSL_CERT_SYM
%token  MASTER_SSL_CIPHER_SYM
%token  MASTER_SSL_KEY_SYM
%token  MASTER_SSL_SYM
%token  MASTER_SYM
%token  MASTER_USER_SYM
%token  MATCH
%token  MAX_CONNECTIONS_PER_HOUR
%token  MAX_QUERIES_PER_HOUR
%token  MAX_ROWS
%token  MAX_SYM
%token  MAX_UPDATES_PER_HOUR
unknown's avatar
unknown committed
406
%token  MAX_USER_CONNECTIONS_SYM
407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
%token  MEDIUMBLOB
%token  MEDIUMINT
%token  MEDIUMTEXT
%token  MEDIUM_SYM
%token  MERGE_SYM
%token  MICROSECOND_SYM
%token  MIGRATE_SYM
%token  MINUTE_MICROSECOND_SYM
%token  MINUTE_SECOND_SYM
%token  MINUTE_SYM
%token  MIN_ROWS
%token  MIN_SYM
%token  MLINEFROMTEXT
%token  MODE_SYM
%token  MODIFIES_SYM
%token  MODIFY_SYM
%token  MOD_SYM
%token  MONTH_SYM
%token  MPOINTFROMTEXT
%token  MPOLYFROMTEXT
%token  MULTILINESTRING
%token  MULTIPOINT
%token  MULTIPOLYGON
unknown's avatar
unknown committed
430
%token  MUTEX_SYM
431 432 433 434 435 436
%token  NAMES_SYM
%token  NAME_SYM
%token  NATIONAL_SYM
%token  NATURAL
%token  NCHAR_STRING
%token  NCHAR_SYM
unknown's avatar
unknown committed
437
%token  NDBCLUSTER_SYM
438 439 440 441 442 443 444 445 446 447 448 449
%token  NE
%token  NEW_SYM
%token  NEXT_SYM
%token  NONE_SYM
%token  NOT2_SYM
%token  NOT_SYM
%token  NOW_SYM
%token  NO_SYM
%token  NO_WRITE_TO_BINLOG
%token  NULL_SYM
%token  NUM
%token  NUMERIC_SYM
unknown's avatar
unknown committed
450
%token  NVARCHAR_SYM
451 452 453
%token  OFFSET_SYM
%token  OLD_PASSWORD
%token  ON
454
%token  ONE_SHOT_SYM
455 456 457 458 459 460 461 462 463 464 465
%token  ONE_SYM
%token  OPEN_SYM
%token  OPTIMIZE
%token  OPTION
%token  OPTIONALLY
%token  OR2_SYM
%token  ORDER_SYM
%token  OR_OR_SYM
%token  OR_SYM
%token  OUTER
%token  OUTFILE
466
%token  OUT_SYM
467 468 469
%token  PACK_KEYS_SYM
%token  PARTIAL
%token  PASSWORD
470
%token  PARAM_MARKER
471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498
%token  PHASE_SYM
%token  POINTFROMTEXT
%token  POINT_SYM
%token  POLYFROMTEXT
%token  POLYGON
%token  POSITION_SYM
%token  PRECISION
%token  PREPARE_SYM
%token  PREV_SYM
%token  PRIMARY_SYM
%token  PRIVILEGES
%token  PROCEDURE
%token  PROCESS
%token  PROCESSLIST_SYM
%token  PURGE
%token  QUARTER_SYM
%token  QUERY_SYM
%token  QUICK
%token  RAID_0_SYM
%token  RAID_CHUNKS
%token  RAID_CHUNKSIZE
%token  RAID_STRIPED_SYM
%token  RAID_TYPE
%token  RAND
%token  READS_SYM
%token  READ_SYM
%token  REAL
%token  RECOVER_SYM
unknown's avatar
unknown committed
499
%token  REDUNDANT_SYM
500 501 502 503 504
%token  REFERENCES
%token  REGEXP
%token  RELAY_LOG_FILE_SYM
%token  RELAY_LOG_POS_SYM
%token  RELAY_THREAD
unknown's avatar
unknown committed
505
%token  RELEASE_SYM
506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
%token  RELOAD
%token  RENAME
%token  REPAIR
%token  REPEATABLE_SYM
%token  REPEAT_SYM
%token  REPLACE
%token  REPLICATION
%token  REQUIRE_SYM
%token  RESET_SYM
%token  RESOURCES
%token  RESTORE_SYM
%token  RESTRICT
%token  RESUME_SYM
%token  RETURNS_SYM
%token  RETURN_SYM
%token  REVOKE
%token  RIGHT
%token  ROLLBACK_SYM
%token  ROLLUP_SYM
%token  ROUND
unknown's avatar
unknown committed
526
%token  ROUTINE_SYM
527 528 529 530 531 532 533 534
%token  ROWS_SYM
%token  ROW_COUNT_SYM
%token  ROW_FORMAT_SYM
%token  ROW_SYM
%token  RTREE_SYM
%token  SAVEPOINT_SYM
%token  SECOND_MICROSECOND_SYM
%token  SECOND_SYM
535
%token  SECURITY_SYM
536 537
%token  SELECT_SYM
%token  SENSITIVE_SYM
538
%token  SEPARATOR_SYM
539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555
%token  SERIALIZABLE_SYM
%token  SERIAL_SYM
%token  SESSION_SYM
%token  SET
%token  SET_VAR
%token  SHARE_SYM
%token  SHIFT_LEFT
%token  SHIFT_RIGHT
%token  SHOW
%token  SHUTDOWN
%token  SIGNED_SYM
%token  SIMPLE_SYM
%token  SLAVE
%token  SMALLINT
%token  SNAPSHOT_SYM
%token  SOUNDS_SYM
%token  SPATIAL_SYM
556 557 558 559
%token  SPECIFIC_SYM
%token  SQLEXCEPTION_SYM
%token  SQLSTATE_SYM
%token  SQLWARNING_SYM
560 561 562 563 564 565 566 567
%token  SQL_BIG_RESULT
%token  SQL_BUFFER_RESULT
%token  SQL_CACHE_SYM
%token  SQL_CALC_FOUND_ROWS
%token  SQL_NO_CACHE_SYM
%token  SQL_SMALL_RESULT
%token  SQL_SYM
%token  SQL_THREAD
568
%token  SSL_SYM
569 570 571 572
%token  STARTING
%token  START_SYM
%token  STATUS_SYM
%token  STD_SYM
573
%token  STDDEV_SAMP_SYM
574 575 576 577 578 579 580 581 582 583 584
%token  STOP_SYM
%token  STORAGE_SYM
%token  STRAIGHT_JOIN
%token  STRING_SYM
%token  SUBDATE_SYM
%token  SUBJECT_SYM
%token  SUBSTRING
%token  SUBSTRING_INDEX
%token  SUM_SYM
%token  SUPER_SYM
%token  SUSPEND_SYM
585
%token  SYSDATE
586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
%token  TABLES
%token  TABLESPACE
%token  TABLE_SYM
%token  TEMPORARY
%token  TEMPTABLE_SYM
%token  TERMINATED
%token  TEXT_STRING
%token  TEXT_SYM
%token  TIMESTAMP
%token  TIMESTAMP_ADD
%token  TIMESTAMP_DIFF
%token  TIME_SYM
%token  TINYBLOB
%token  TINYINT
%token  TINYTEXT
%token  TO_SYM
%token  TRAILING
%token  TRANSACTION_SYM
604
%token  TRIGGER_SYM
605
%token  TRIGGERS_SYM
606 607 608
%token  TRIM
%token  TRUE_SYM
%token  TRUNCATE_SYM
unknown's avatar
unknown committed
609
%token  TYPES_SYM
610 611 612 613 614 615 616
%token  TYPE_SYM
%token  UDF_RETURNS_SYM
%token  UDF_SONAME_SYM
%token  ULONGLONG_NUM
%token  UNCOMMITTED_SYM
%token  UNDEFINED_SYM
%token  UNDERSCORE_CHARSET
617
%token  UNDO_SYM
618 619 620 621 622 623 624 625 626 627
%token  UNICODE_SYM
%token  UNION_SYM
%token  UNIQUE_SYM
%token  UNIQUE_USERS
%token  UNIX_TIMESTAMP
%token  UNKNOWN_SYM
%token  UNLOCK_SYM
%token  UNLOCK_SYM
%token  UNSIGNED
%token  UNTIL_SYM
628
%token  UNTIL_SYM
629 630 631 632 633 634 635 636 637 638
%token  UPDATE_SYM
%token  UPDATE_SYM
%token  USAGE
%token  USER
%token  USE_FRM
%token  USE_SYM
%token  USING
%token  UTC_DATE_SYM
%token  UTC_TIMESTAMP_SYM
%token  UTC_TIME_SYM
639
%token  VAR_SAMP_SYM
640 641 642 643 644 645 646 647 648 649 650 651
%token  VALUES
%token  VALUE_SYM
%token  VARBINARY
%token  VARCHAR
%token  VARIABLES
%token  VARIANCE_SYM
%token  VARYING
%token  VIEW_SYM
%token  WARNINGS
%token  WEEK_SYM
%token  WHEN_SYM
%token  WHERE
652
%token  WHILE_SYM
653 654 655 656 657 658 659 660 661 662
%token  WITH
%token  WORK_SYM
%token  WRITE_SYM
%token  X509_SYM
%token  XA_SYM
%token  XOR
%token  YEARWEEK
%token  YEAR_MONTH_SYM
%token  YEAR_SYM
%token  ZEROFILL
unknown's avatar
unknown committed
663

664
%left   JOIN_SYM INNER_SYM STRAIGHT_JOIN CROSS LEFT RIGHT
unknown's avatar
unknown committed
665 666
/* A dummy token to force the priority of table_ref production in a join. */
%left   TABLE_REF_PRIORITY
unknown's avatar
unknown committed
667
%left   SET_VAR
668 669
%left	OR_OR_SYM OR_SYM OR2_SYM XOR
%left	AND_SYM AND_AND_SYM
unknown's avatar
unknown committed
670 671 672 673 674 675
%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	'-' '+'
676
%left	'*' '/' '%' DIV_SYM MOD_SYM
unknown's avatar
unknown committed
677
%left   '^'
unknown's avatar
unknown committed
678
%left	NEG '~'
679
%right	NOT_SYM NOT2_SYM
unknown's avatar
unknown committed
680
%right	BINARY COLLATE_SYM
681

unknown's avatar
unknown committed
682
%type <lex_str>
unknown's avatar
unknown committed
683
        IDENT IDENT_QUOTED TEXT_STRING DECIMAL_NUM FLOAT_NUM NUM LONG_NUM HEX_NUM
684
	LEX_HOSTNAME ULONGLONG_NUM field_ident select_alias ident ident_or_text
685
        UNDERSCORE_CHARSET IDENT_sys TEXT_STRING_sys TEXT_STRING_literal
686
	NCHAR_STRING opt_component key_cache_name
unknown's avatar
unknown committed
687
        sp_opt_label BIN_NUM label_ident TEXT_STRING_filesystem
unknown's avatar
unknown committed
688 689 690 691 692

%type <lex_str_ptr>
	opt_table_alias

%type <table>
693
	table_ident table_ident_nodb references xid
unknown's avatar
unknown committed
694 695

%type <simple_string>
696
	remember_name remember_end opt_ident opt_db text_or_password
697
	opt_constraint constraint ident_or_empty
unknown's avatar
unknown committed
698 699

%type <string>
700
	text_string opt_gconcat_separator
unknown's avatar
unknown committed
701 702

%type <num>
unknown's avatar
unknown committed
703
	type int_type real_type order_dir lock_option
unknown's avatar
unknown committed
704
	udf_type if_exists opt_local opt_table_options table_options
705 706
        table_option opt_if_not_exists opt_no_write_to_binlog
        delete_option opt_temporary all_or_any opt_distinct
707
        opt_ignore_leaves fulltext_options spatial_type union_option
unknown's avatar
unknown committed
708
        start_transaction_opts opt_chain opt_release
709
        union_opt select_derived_init option_type2
unknown's avatar
unknown committed
710 711

%type <ulong_num>
unknown's avatar
unknown committed
712
	ulong_num raid_types merge_insert_types
unknown's avatar
unknown committed
713

unknown's avatar
unknown committed
714 715
%type <ulonglong_number>
	ulonglong_num
unknown's avatar
unknown committed
716

unknown's avatar
unknown committed
717 718 719
%type <lock_type>
	replace_lock_option opt_low_priority insert_lock_option load_data_lock

unknown's avatar
unknown committed
720
%type <item>
unknown's avatar
unknown committed
721
	literal text_literal insert_ident order_ident
unknown's avatar
unknown committed
722
	simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
723 724 725
	bool_term bool_factor bool_test bool_pri 
	predicate bit_expr bit_term bit_factor value_expr term factor
	table_wild simple_expr udf_expr
unknown's avatar
unknown committed
726
	expr_or_default set_expr_or_default interval_expr
unknown's avatar
unknown committed
727
	param_marker singlerow_subselect singlerow_subselect_init
unknown's avatar
unknown committed
728
	exists_subselect exists_subselect_init geometry_function
729
	signed_literal now_or_signed_literal opt_escape
730 731
	sp_opt_default
	simple_ident_nospvar simple_ident_q
732
        field_or_var limit_option
733 734 735

%type <item_num>
	NUM_literal
unknown's avatar
unknown committed
736 737

%type <item_list>
738 739
	expr_list udf_expr_list udf_expr_list2 when_list
	ident_list ident_list_arg
unknown's avatar
unknown committed
740

741 742 743
%type <var_type>
        option_type opt_var_type opt_var_ident_type

unknown's avatar
unknown committed
744
%type <key_type>
745
	key_type opt_unique_or_fulltext constraint_key_type
unknown's avatar
unknown committed
746

unknown's avatar
unknown committed
747 748 749
%type <key_alg>
	key_alg opt_btree_or_rtree

unknown's avatar
unknown committed
750
%type <string_list>
unknown's avatar
unknown committed
751
	key_usage_list using_list
unknown's avatar
unknown committed
752 753 754 755 756

%type <key_part>
	key_part

%type <table_list>
757
	join_table_list  join_table
758
        table_factor table_ref
unknown's avatar
unknown committed
759
        select_derived derived_table_list
unknown's avatar
unknown committed
760

761
%type <date_time_type> date_time_type;
unknown's avatar
unknown committed
762 763
%type <interval> interval

764 765
%type <interval_time_st> interval_time_st

unknown's avatar
unknown committed
766
%type <db_type> storage_engines
unknown's avatar
unknown committed
767 768 769

%type <row_type> row_types

unknown's avatar
unknown committed
770
%type <tx_isolation> isolation_types
unknown's avatar
unknown committed
771

unknown's avatar
unknown committed
772 773
%type <ha_rkey_mode> handler_rkey_mode

774
%type <cast_type> cast_type
unknown's avatar
unknown committed
775

unknown's avatar
unknown committed
776 777
%type <udf_type> udf_func_type

778
%type <symbol> FUNC_ARG0 FUNC_ARG1 FUNC_ARG2 FUNC_ARG3 keyword keyword_sp
unknown's avatar
unknown committed
779

780
%type <lex_user> user grant_user get_definer
unknown's avatar
unknown committed
781

782
%type <charset>
783
	opt_collate
784 785
	charset_name
	charset_name_or_default
unknown's avatar
unknown committed
786 787
	old_or_new_charset_name
	old_or_new_charset_name_or_default
788 789
	collation_name
	collation_name_or_default
790

unknown's avatar
unknown committed
791 792
%type <variable> internal_variable_name

unknown's avatar
unknown committed
793
%type <select_lex> in_subselect in_subselect_init
unknown's avatar
unknown committed
794
	get_select_lex
unknown's avatar
unknown committed
795

unknown's avatar
unknown committed
796 797
%type <boolfunc2creator> comp_op

unknown's avatar
unknown committed
798
%type <NONE>
unknown's avatar
unknown committed
799
	query verb_clause create change select do drop insert replace insert2
800
	insert_values update delete truncate rename
unknown's avatar
unknown committed
801
	show describe load alter optimize keycache preload flush
unknown's avatar
unknown committed
802
	reset purge begin commit rollback savepoint release
803
	slave master_def master_defs master_file_def slave_until_opts
804
	repair restore backup analyze check start checksum
805
	field_list field_list_item field_spec kill column_def key_def
unknown's avatar
unknown committed
806
	keycache_list assign_to_keycache preload_list preload_keys
unknown's avatar
unknown committed
807
	select_item_list select_item values_list no_braces
808
	opt_limit_clause delete_limit_clause fields opt_values values
unknown's avatar
unknown committed
809
	procedure_list procedure_list2 procedure_item
810
	when_list2 expr_list2 udf_expr_list3 handler
unknown's avatar
unknown committed
811 812
	opt_precision opt_ignore opt_column opt_restrict
	grant revoke set lock unlock string_list field_options field_option
unknown's avatar
unknown committed
813
	field_opt_list opt_binary table_lock_list table_lock
814
	ref_list opt_on_delete opt_on_delete_list opt_on_delete_item use
unknown's avatar
unknown committed
815
	opt_delete_options opt_delete_option varchar nchar nvarchar
unknown's avatar
unknown committed
816
	opt_outer table_list table_name opt_option opt_place
unknown's avatar
unknown committed
817
	opt_attribute opt_attribute_list attribute column_list column_list_id
818
	opt_column_list grant_privileges grant_ident grant_list grant_option
819
	object_privilege object_privilege_list user_list rename_list
820
	clear_privileges flush_options flush_option
unknown's avatar
unknown committed
821 822
	equal optional_braces opt_key_definition key_usage_list2
	opt_mi_check_type opt_to mi_check_types normal_join
823
	table_to_table_list table_to_table opt_table_list opt_as
unknown's avatar
unknown committed
824
	handler_rkey_function handler_read_or_scan
unknown's avatar
unknown committed
825
	single_multi table_wild_list table_wild_one opt_wild
826
	union_clause union_list
827
	precision subselect_start opt_and charset
828
	subselect_end select_var_list select_var_list_init help opt_len
unknown's avatar
unknown committed
829
	opt_extended_describe
830
        prepare prepare_src execute deallocate
831
	statement sp_suid
832
	sp_c_chistics sp_a_chistics sp_chistic sp_c_chistic xa
unknown's avatar
unknown committed
833
        load_data opt_field_or_var_spec fields_or_vars opt_load_data_set_spec
834 835 836
        definer view_replace_or_algorithm view_replace view_algorithm_opt
        view_algorithm view_or_trigger_tail view_suid view_tail view_list_opt
        view_list view_select view_check_option trigger_tail
837
END_OF_INPUT
unknown's avatar
unknown committed
838

839 840 841 842 843 844 845
%type <NONE> call sp_proc_stmts sp_proc_stmts1 sp_proc_stmt
%type <num>  sp_decl_idents sp_opt_inout sp_handler_type sp_hcond_list
%type <spcondtype> sp_cond sp_hcond
%type <spblock> sp_decls sp_decl
%type <lex> sp_cursor_stmt
%type <spname> sp_name

unknown's avatar
unknown committed
846 847
%type <NONE>
	'-' '+' '*' '/' '%' '(' ')'
848
	',' '!' '{' '}' '&' '|' AND_SYM OR_SYM OR_OR_SYM BETWEEN_SYM CASE_SYM
849
	THEN_SYM WHEN_SYM DIV_SYM MOD_SYM OR2_SYM AND_AND_SYM
unknown's avatar
unknown committed
850 851 852 853 854
%%


query:
	END_OF_INPUT
unknown's avatar
unknown committed
855
	{
856
	   THD *thd= YYTHD;
857
	   if (!thd->bootstrap &&
858
	      (!(thd->lex->select_lex.options & OPTION_FOUND_COMMENT)))
859
	   {
unknown's avatar
unknown committed
860
	     my_message(ER_EMPTY_QUERY, ER(ER_EMPTY_QUERY), MYF(0));
861
	     YYABORT;
862
	   }
863 864
	   else
	   {
865
	     thd->lex->sql_command= SQLCOM_EMPTY_QUERY;
866
	   }
unknown's avatar
unknown committed
867
	}
unknown's avatar
unknown committed
868
	| verb_clause END_OF_INPUT {};
unknown's avatar
unknown committed
869 870

verb_clause:
871 872 873 874 875 876
	  statement
	| begin
	;

/* Verb clauses, except begin */
statement:
unknown's avatar
unknown committed
877 878
	  alter
	| analyze
879
	| backup
880
	| call
unknown's avatar
unknown committed
881 882
	| change
	| check
883
	| checksum
unknown's avatar
unknown committed
884 885
	| commit
	| create
886
        | deallocate
unknown's avatar
unknown committed
887 888
	| delete
	| describe
unknown's avatar
unknown committed
889
	| do
unknown's avatar
unknown committed
890
	| drop
891
        | execute
unknown's avatar
unknown committed
892
	| flush
unknown's avatar
unknown committed
893
	| grant
unknown's avatar
unknown committed
894 895
	| handler
	| help
unknown's avatar
unknown committed
896
	| insert
unknown's avatar
unknown committed
897
	| kill
unknown's avatar
unknown committed
898 899 900
	| load
	| lock
	| optimize
unknown's avatar
unknown committed
901
        | keycache
unknown's avatar
unknown committed
902
	| preload
903
        | prepare
904
	| purge
unknown's avatar
unknown committed
905
	| release
906
	| rename
unknown's avatar
unknown committed
907
	| repair
unknown's avatar
unknown committed
908
	| replace
unknown's avatar
unknown committed
909
	| reset
910
	| restore
unknown's avatar
unknown committed
911 912
	| revoke
	| rollback
913
	| savepoint
unknown's avatar
unknown committed
914 915
	| select
	| set
unknown's avatar
unknown committed
916
	| show
unknown's avatar
unknown committed
917
	| slave
unknown's avatar
unknown committed
918
	| start
919
	| truncate
unknown's avatar
unknown committed
920 921
	| unlock
	| update
unknown's avatar
unknown committed
922
	| use
923
	| xa
unknown's avatar
unknown committed
924
        ;
925

unknown's avatar
unknown committed
926
deallocate:
927
        deallocate_or_drop PREPARE_SYM ident
unknown's avatar
unknown committed
928 929
        {
          THD *thd=YYTHD;
930
          LEX *lex= thd->lex;
931
          if (lex->stmt_prepare_mode)
unknown's avatar
unknown committed
932 933 934 935
          {
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
          }
936
          lex->sql_command= SQLCOM_DEALLOCATE_PREPARE;
unknown's avatar
unknown committed
937 938 939
          lex->prepared_stmt_name= $3;
        };

940 941 942 943 944 945
deallocate_or_drop:
	DEALLOCATE_SYM |
	DROP
	;


unknown's avatar
unknown committed
946
prepare:
947
        PREPARE_SYM ident FROM prepare_src
unknown's avatar
unknown committed
948 949
        {
          THD *thd=YYTHD;
950
          LEX *lex= thd->lex;
951
          if (lex->stmt_prepare_mode)
unknown's avatar
unknown committed
952 953 954 955
          {
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
          }
956
          lex->sql_command= SQLCOM_PREPARE;
unknown's avatar
unknown committed
957 958 959
          lex->prepared_stmt_name= $2;
        };

960 961 962 963 964 965
prepare_src:
        TEXT_STRING_sys
        {
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          lex->prepared_stmt_code= $1;
unknown's avatar
unknown committed
966
          lex->prepared_stmt_code_is_varref= FALSE;
967 968 969 970 971 972
        }
        | '@' ident_or_text
        {
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          lex->prepared_stmt_code= $2;
unknown's avatar
unknown committed
973
          lex->prepared_stmt_code_is_varref= TRUE;
974
        };
975

unknown's avatar
unknown committed
976 977 978 979
execute:
        EXECUTE_SYM ident
        {
          THD *thd=YYTHD;
980
          LEX *lex= thd->lex;
981
          if (lex->stmt_prepare_mode)
unknown's avatar
unknown committed
982 983 984 985
          {
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
          }
986
          lex->sql_command= SQLCOM_EXECUTE;
unknown's avatar
unknown committed
987 988 989 990 991 992 993 994 995 996 997 998
          lex->prepared_stmt_name= $2;
        }
        execute_using
        {}
        ;

execute_using:
        /* nothing */
        | USING execute_var_list
        ;

execute_var_list:
999 1000
        execute_var_list ',' execute_var_ident
        | execute_var_ident
unknown's avatar
unknown committed
1001 1002 1003 1004 1005 1006 1007 1008
        ;

execute_var_ident: '@' ident_or_text
        {
          LEX *lex=Lex;
          LEX_STRING *lexstr= (LEX_STRING*)sql_memdup(&$2, sizeof(LEX_STRING));
          if (!lexstr || lex->prepared_stmt_params.push_back(lexstr))
              YYABORT;
1009
        }
unknown's avatar
unknown committed
1010 1011
        ;

unknown's avatar
unknown committed
1012 1013
/* help */

1014
help:
1015 1016 1017 1018 1019 1020 1021 1022 1023
       HELP_SYM
       {
         if (Lex->sphead)
         {
           my_error(ER_SP_BADSTATEMENT, MYF(0), "HELP");
           YYABORT;
         }
       }
       ident_or_text
unknown's avatar
unknown committed
1024
       {
1025 1026
	  LEX *lex= Lex;
	  lex->sql_command= SQLCOM_HELP;
1027
	  lex->help_arg= $3.str;
1028
       };
unknown's avatar
unknown committed
1029 1030 1031 1032

/* change master */

change:
unknown's avatar
unknown committed
1033
       CHANGE MASTER_SYM TO_SYM
unknown's avatar
unknown committed
1034 1035 1036
        {
	  LEX *lex = Lex;
	  lex->sql_command = SQLCOM_CHANGE_MASTER;
unknown's avatar
unknown committed
1037
	  bzero((char*) &lex->mi, sizeof(lex->mi));
1038 1039 1040 1041
        }
       master_defs
	{}
       ;
unknown's avatar
unknown committed
1042 1043 1044

master_defs:
       master_def
unknown's avatar
unknown committed
1045
       | master_defs ',' master_def;
unknown's avatar
unknown committed
1046

1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062
master_def:
       MASTER_HOST_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.host = $3.str;
       }
       |
       MASTER_USER_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.user = $3.str;
       }
       |
       MASTER_PASSWORD_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.password = $3.str;
       }
       |
unknown's avatar
unknown committed
1063
       MASTER_PORT_SYM EQ ulong_num
1064 1065 1066 1067
       {
	 Lex->mi.port = $3;
       }
       |
unknown's avatar
unknown committed
1068
       MASTER_CONNECT_RETRY_SYM EQ ulong_num
1069 1070 1071
       {
	 Lex->mi.connect_retry = $3;
       }
unknown's avatar
unknown committed
1072
       | MASTER_SSL_SYM EQ ulong_num
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 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
         {
           Lex->mi.ssl= $3 ? 
               LEX_MASTER_INFO::SSL_ENABLE : LEX_MASTER_INFO::SSL_DISABLE;
         }
       | MASTER_SSL_CA_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_ca= $3.str;
         }
       | MASTER_SSL_CAPATH_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_capath= $3.str;
         }
       | MASTER_SSL_CERT_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_cert= $3.str;
         }
       | MASTER_SSL_CIPHER_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_cipher= $3.str;
         }
       | MASTER_SSL_KEY_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.ssl_key= $3.str;
	 }
       |
         master_file_def
       ;

master_file_def:
       MASTER_LOG_FILE_SYM EQ TEXT_STRING_sys
       {
	 Lex->mi.log_file_name = $3.str;
       }
       | MASTER_LOG_POS_SYM EQ ulonglong_num
         {
           Lex->mi.pos = $3;
           /* 
              If the user specified a value < BIN_LOG_HEADER_SIZE, adjust it
              instead of causing subsequent errors. 
              We need to do it in this file, because only there we know that 
              MASTER_LOG_POS has been explicitely specified. On the contrary
              in change_master() (sql_repl.cc) we cannot distinguish between 0
              (MASTER_LOG_POS explicitely specified as 0) and 0 (unspecified),
              whereas we want to distinguish (specified 0 means "read the binlog
              from 0" (4 in fact), unspecified means "don't change the position
              (keep the preceding value)").
           */
           Lex->mi.pos = max(BIN_LOG_HEADER_SIZE, Lex->mi.pos);
         }
       | RELAY_LOG_FILE_SYM EQ TEXT_STRING_sys
         {
           Lex->mi.relay_log_name = $3.str;
         }
unknown's avatar
unknown committed
1126
       | RELAY_LOG_POS_SYM EQ ulong_num
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205
         {
           Lex->mi.relay_log_pos = $3;
           /* Adjust if < BIN_LOG_HEADER_SIZE (same comment as Lex->mi.pos) */
           Lex->mi.relay_log_pos = max(BIN_LOG_HEADER_SIZE, Lex->mi.relay_log_pos);
         }
       ;

/* create a table */

create:
	CREATE opt_table_options TABLE_SYM opt_if_not_exists table_ident
	{
	  THD *thd= YYTHD;
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_CREATE_TABLE;
	  if (!lex->select_lex.add_table_to_list(thd, $5, NULL,
						 TL_OPTION_UPDATING,
						 (using_update_log ?
						  TL_READ_NO_INSERT:
						  TL_READ)))
	    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= (enum db_type) lex->thd->variables.table_type;
	  lex->create_info.default_table_charset= NULL;
	  lex->name=0;
	}
	create2
	  { Lex->current_select= &Lex->select_lex; }
	| CREATE opt_unique_or_fulltext INDEX_SYM ident key_alg ON table_ident
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_CREATE_INDEX;
	    if (!lex->current_select->add_table_to_list(lex->thd, $7, NULL,
							TL_OPTION_UPDATING))
	      YYABORT;
	    lex->create_list.empty();
	    lex->key_list.empty();
	    lex->col_list.empty();
	    lex->change=NullS;
	  }
	   '(' key_list ')'
	  {
	    LEX *lex=Lex;

	    lex->key_list.push_back(new Key($2,$4.str, $5, 0, lex->col_list));
	    lex->col_list.empty();
	  }
	| CREATE DATABASE opt_if_not_exists ident
	  {
             Lex->create_info.default_table_charset= NULL;
             Lex->create_info.used_fields= 0;
          }
	  opt_create_database_options
	  {
	    LEX *lex=Lex;
	    lex->sql_command=SQLCOM_CREATE_DB;
	    lex->name=$4.str;
            lex->create_info.options=$3;
	  }
	| CREATE udf_func_type FUNCTION_SYM sp_name
	  {
	    LEX *lex=Lex;
	    lex->spname= $4;
	    lex->udf.type= $2;
	  }
	  create_function_tail
	  {}
	| CREATE PROCEDURE sp_name
	  {
	    LEX *lex= Lex;
	    sp_head *sp;

	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
1206
	      my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "PROCEDURE");
1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258
	      YYABORT;
	    }
	    /* Order is important here: new - reset - init */
	    sp= new sp_head();
	    sp->reset_thd_mem_root(YYTHD);
	    sp->init(lex);

	    sp->m_type= TYPE_ENUM_PROCEDURE;
	    lex->sphead= sp;
	    /*
	     * We have to turn of CLIENT_MULTI_QUERIES while parsing a
	     * stored procedure, otherwise yylex will chop it into pieces
	     * at each ';'.
	     */
	    sp->m_old_cmq= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
	    YYTHD->client_capabilities &= (~CLIENT_MULTI_QUERIES);
	  }
          '('
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_param_begin= lex->tok_start+1;
	  }
	  sp_pdparam_list
	  ')'
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_param_end= lex->tok_start;
	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
	  }
	  sp_c_chistics
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_chistics= &lex->sp_chistics;
	    lex->sphead->m_body_begin= lex->tok_start;
	  }
	  sp_proc_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;

	    if (sp->check_backpatch(YYTHD))
	      YYABORT;
	    sp->init_strings(YYTHD, lex, $3);
	    lex->sql_command= SQLCOM_CREATE_PROCEDURE;
	    /* Restore flag if it was cleared above */
	    if (sp->m_old_cmq)
	      YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;
	    sp->restore_thd_mem_root(YYTHD);
	  }
1259
	| CREATE
1260
	  {
1261 1262 1263
            Lex->create_view_mode= VIEW_CREATE_NEW;
            Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
            Lex->create_view_suid= TRUE;
1264
	  }
1265
	  view_or_trigger
1266
	  {}
1267 1268 1269 1270
	| CREATE USER clear_privileges grant_list
	  {
	    Lex->sql_command = SQLCOM_CREATE_USER;
          }
1271 1272
	;

1273 1274 1275 1276 1277 1278 1279
clear_privileges:
        /* Nothing */
        {
          LEX *lex=Lex;
          lex->users_list.empty();
          lex->columns.empty();
          lex->grant= lex->grant_tot_col= 0;
1280
	  lex->all_privileges= 0;
1281 1282 1283 1284 1285 1286 1287
          lex->select_lex.db= 0;
          lex->ssl_type= SSL_TYPE_NOT_SPECIFIED;
          lex->ssl_cipher= lex->x509_subject= lex->x509_issuer= 0;
          bzero((char *)&(lex->mqh),sizeof(lex->mqh));
        }
        ;

1288
sp_name:
1289
	  ident '.' ident
1290
	  {
1291 1292 1293 1294 1295
            if (!$1.str || check_db_name($1.str))
            {
	      my_error(ER_WRONG_DB_NAME, MYF(0), $1.str);
	      YYABORT;
	    }
unknown's avatar
unknown committed
1296
	    if (check_routine_name($3))
1297 1298 1299 1300
            {
	      my_error(ER_SP_WRONG_NAME, MYF(0), $3.str);
	      YYABORT;
	    }
1301 1302 1303
	    $$= new sp_name($1, $3);
	    $$->init_qname(YYTHD);
	  }
1304
	| ident
1305
	  {
unknown's avatar
unknown committed
1306
	    if (check_routine_name($1))
1307 1308 1309 1310
            {
	      my_error(ER_SP_WRONG_NAME, MYF(0), $1.str);
	      YYABORT;
	    }
1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330
	    $$= sp_name_current_db_new(YYTHD, $1);
	  }
	;

create_function_tail:
	  RETURNS_SYM udf_type UDF_SONAME_SYM TEXT_STRING_sys
	  {
	    LEX *lex=Lex;
	    lex->sql_command = SQLCOM_CREATE_FUNCTION;
	    lex->udf.name = lex->spname->m_name;
	    lex->udf.returns=(Item_result) $2;
	    lex->udf.dl=$4.str;
	  }
	| '('
	  {
	    LEX *lex= Lex;
	    sp_head *sp;

	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
1331
	      my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "FUNCTION");
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
	      YYABORT;
	    }
	    /* Order is important here: new - reset - init */
	    sp= new sp_head();
	    sp->reset_thd_mem_root(YYTHD);
	    sp->init(lex);

	    sp->m_type= TYPE_ENUM_FUNCTION;
	    lex->sphead= sp;
	    /*
	     * We have to turn of CLIENT_MULTI_QUERIES while parsing a
	     * stored procedure, otherwise yylex will chop it into pieces
	     * at each ';'.
	     */
	    sp->m_old_cmq= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
	    YYTHD->client_capabilities &= ~CLIENT_MULTI_QUERIES;
	    lex->sphead->m_param_begin= lex->tok_start+1;
	  }
          sp_fdparam_list ')'
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_param_end= lex->tok_start;
	  }
	  RETURNS_SYM
	  {
	    LEX *lex= Lex;
unknown's avatar
unknown committed
1359 1360 1361 1362
	    lex->charset= NULL;
	    lex->length= lex->dec= NULL;
	    lex->interval_list.empty();
	    lex->type= 0;
1363 1364 1365 1366 1367
	  }
	  type
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
unknown's avatar
unknown committed
1368

1369 1370 1371 1372
            if (sp->fill_field_definition(YYTHD, lex,
                                          (enum enum_field_types) $8,
                                          &sp->m_return_field_def))
              YYABORT;
1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387

	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
	  }
	  sp_c_chistics
	  {
	    LEX *lex= Lex;

	    lex->sphead->m_chistics= &lex->sp_chistics;
	    lex->sphead->m_body_begin= lex->tok_start;
	  }
	  sp_proc_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;

1388 1389 1390
            if (sp->is_not_allowed_in_function("function"))
              YYABORT;

1391 1392 1393 1394
	    if (sp->check_backpatch(YYTHD))
	      YYABORT;
	    lex->sql_command= SQLCOM_CREATE_SPFUNCTION;
	    sp->init_strings(YYTHD, lex, lex->spname);
1395 1396 1397 1398 1399
            if (!(sp->m_flags & sp_head::HAS_RETURN))
            {
              my_error(ER_SP_NORETURN, MYF(0), sp->m_qname.str);
              YYABORT;
            }
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
	    /* Restore flag if it was cleared above */
	    if (sp->m_old_cmq)
	      YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;
	    sp->restore_thd_mem_root(YYTHD);
	  }
	;

sp_a_chistics:
	  /* Empty */ {}
	| sp_a_chistics sp_chistic {}
	;

sp_c_chistics:
	  /* Empty */ {}
	| sp_c_chistics sp_c_chistic {}
	;

/* Characteristics for both create and alter */
sp_chistic:
	  COMMENT_SYM TEXT_STRING_sys
	  { Lex->sp_chistics.comment= $2; }
	| LANGUAGE_SYM SQL_SYM
	  { /* Just parse it, we only have one language for now. */ }
	| NO_SYM SQL_SYM
	  { Lex->sp_chistics.daccess= SP_NO_SQL; }
	| CONTAINS_SYM SQL_SYM
	  { Lex->sp_chistics.daccess= SP_CONTAINS_SQL; }
	| READS_SYM SQL_SYM DATA_SYM
	  { Lex->sp_chistics.daccess= SP_READS_SQL_DATA; }
	| MODIFIES_SYM SQL_SYM DATA_SYM
	  { Lex->sp_chistics.daccess= SP_MODIFIES_SQL_DATA; }
	| sp_suid
	  { }
	;

/* Create characteristics */
sp_c_chistic:
	  sp_chistic            { }
	| DETERMINISTIC_SYM     { Lex->sp_chistics.detistic= TRUE; }
1439
	| not DETERMINISTIC_SYM { Lex->sp_chistics.detistic= FALSE; }
1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460
	;

sp_suid:
	  SQL_SYM SECURITY_SYM DEFINER_SYM
	  {
	    Lex->sp_chistics.suid= SP_IS_SUID;
	  }
	| SQL_SYM SECURITY_SYM INVOKER_SYM
	  {
	    Lex->sp_chistics.suid= SP_IS_NOT_SUID;
	  }
	;

call:
	  CALL_SYM sp_name
	  {
	    LEX *lex = Lex;

	    lex->sql_command= SQLCOM_CALL;
	    lex->spname= $2;
	    lex->value_list.empty();
1461
	    sp_add_used_routine(lex, YYTHD, $2, TYPE_ENUM_PROCEDURE);
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
	  }
          '(' sp_cparam_list ')' {}
	;

/* CALL parameters */
sp_cparam_list:
	  /* Empty */
	| sp_cparams
	;

sp_cparams:
	  sp_cparams ',' expr
	  {
	    Lex->value_list.push_back($3);
	  }
	| expr
	  {
	    Lex->value_list.push_back($1);
	  }
	;

/* Stored FUNCTION parameter declaration list */
sp_fdparam_list:
	  /* Empty */
	| sp_fdparams
	;

sp_fdparams:
	  sp_fdparams ',' sp_fdparam
	| sp_fdparam
	;

1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513
sp_init_param:
	  /* Empty */
	  {
	    LEX *lex= Lex;

	    lex->length= 0;
	    lex->dec= 0;
	    lex->type= 0;
	  
	    lex->default_value= 0;
	    lex->on_update_value= 0;
	  
	    lex->comment= null_lex_str;
	    lex->charset= NULL;
	  
	    lex->interval_list.empty();
	    lex->uint_geom_type= 0;
	  }
	;

1514
sp_fdparam:
1515
	  ident sp_init_param type
1516 1517 1518 1519 1520 1521
	  {
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_pvar(&$1, TRUE))
	    {
1522
	      my_error(ER_SP_DUP_PARAM, MYF(0), $1.str);
1523 1524
	      YYABORT;
	    }
1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535
	    sp_pvar_t *pvar= spc->push_pvar(&$1, (enum enum_field_types)$3,
                                            sp_param_in);

            if (lex->sphead->fill_field_definition(YYTHD, lex,
                                                   (enum enum_field_types) $3,
                                                   &pvar->field_def))
            {
              YYABORT;
            }
            pvar->field_def.field_name= pvar->name.str;
            pvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550
	  }
	;

/* Stored PROCEDURE parameter declaration list */
sp_pdparam_list:
	  /* Empty */
	| sp_pdparams
	;

sp_pdparams:
	  sp_pdparams ',' sp_pdparam
	| sp_pdparam
	;

sp_pdparam:
1551
	  sp_opt_inout sp_init_param ident type
1552 1553 1554 1555
	  {
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

1556
	    if (spc->find_pvar(&$3, TRUE))
1557
	    {
1558
	      my_error(ER_SP_DUP_PARAM, MYF(0), $3.str);
1559 1560
	      YYABORT;
	    }
1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571
	    sp_pvar_t *pvar= spc->push_pvar(&$3, (enum enum_field_types)$4,
			                    (sp_param_mode_t)$1);

            if (lex->sphead->fill_field_definition(YYTHD, lex,
                                                   (enum enum_field_types) $4,
                                                   &pvar->field_def))
            {
              YYABORT;
            }
            pvar->field_def.field_name= pvar->name.str;
            pvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583
	  }
	;

sp_opt_inout:
	  /* Empty */ { $$= sp_param_in; }
	| IN_SYM      { $$= sp_param_in; }
	| OUT_SYM     { $$= sp_param_out; }
	| INOUT_SYM   { $$= sp_param_inout; }
	;

sp_proc_stmts:
	  /* Empty */ {}
1584
	| sp_proc_stmts  sp_proc_stmt ';'
1585 1586 1587 1588
	;

sp_proc_stmts1:
	  sp_proc_stmt ';' {}
1589
	| sp_proc_stmts1  sp_proc_stmt ';'
1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604
	;

sp_decls:
	  /* Empty */
	  {
	    $$.vars= $$.conds= $$.hndlrs= $$.curs= 0;
	  }
	| sp_decls sp_decl ';'
	  {
	    /* We check for declarations out of (standard) order this way
	       because letting the grammar rules reflect it caused tricky
	       shift/reduce conflicts with the wrong result. (And we get
	       better error handling this way.) */
	    if (($2.vars || $2.conds) && ($1.curs || $1.hndlrs))
	    { /* Variable or condition following cursor or handler */
unknown's avatar
unknown committed
1605 1606
	      my_message(ER_SP_VARCOND_AFTER_CURSHNDLR,
                         ER(ER_SP_VARCOND_AFTER_CURSHNDLR), MYF(0));
1607 1608 1609 1610
	      YYABORT;
	    }
	    if ($2.curs && $1.hndlrs)
	    { /* Cursor following handler */
unknown's avatar
unknown committed
1611 1612
	      my_message(ER_SP_CURSOR_AFTER_HANDLER,
                         ER(ER_SP_CURSOR_AFTER_HANDLER), MYF(0));
1613 1614 1615 1616 1617 1618 1619 1620 1621 1622
	      YYABORT;
	    }
	    $$.vars= $1.vars + $2.vars;
	    $$.conds= $1.conds + $2.conds;
	    $$.hndlrs= $1.hndlrs + $2.hndlrs;
	    $$.curs= $1.curs + $2.curs;
	  }
	;

sp_decl:
1623
          DECLARE_SYM sp_decl_idents
1624
          {
1625
            LEX *lex= Lex;
1626

1627 1628 1629
            lex->sphead->reset_lex(YYTHD);
            lex->spcont->declare_var_boundary($2);
          }
1630
          type
1631
          sp_opt_default
1632 1633
          {
            LEX *lex= Lex;
1634 1635 1636 1637 1638 1639 1640
            sp_pcontext *pctx= lex->spcont;
            uint num_vars= pctx->context_pvars();
            enum enum_field_types var_type= (enum enum_field_types) $4;
            Item *dflt_value_item= $5;
            create_field *create_field_op;
            
            if (!dflt_value_item)
1641
            {
1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671
              dflt_value_item= new Item_null();
              /* QQ Set to the var_type with null_value? */
            }
            
            for (uint i = num_vars-$2 ; i < num_vars ; i++)
            {
              uint var_idx= pctx->pvar_context2index(i);
              sp_pvar_t *pvar= pctx->find_pvar(var_idx);
            
              if (!pvar)
                YYABORT;
            
              pvar->type= var_type;
              pvar->dflt= dflt_value_item;
            
              if (lex->sphead->fill_field_definition(YYTHD, lex, var_type,
                                                     &pvar->field_def))
              {
                YYABORT;
              }
            
              pvar->field_def.field_name= pvar->name.str;
              pvar->field_def.pack_flag |= FIELDFLAG_MAYBE_NULL;
            
              /* The last instruction is responsible for freeing LEX. */

              lex->sphead->add_instr(
                new sp_instr_set(lex->sphead->instructions(), pctx, var_idx,
                                 dflt_value_item, var_type, lex,
                                 (i == num_vars - 1)));
1672
            }
1673 1674

            pctx->declare_var_boundary(0);
1675
            lex->sphead->restore_lex(YYTHD);
1676

1677 1678 1679
            $$.vars= $2;
            $$.conds= $$.hndlrs= $$.curs= 0;
          }
1680 1681 1682 1683 1684 1685 1686
	| DECLARE_SYM ident CONDITION_SYM FOR_SYM sp_cond
	  {
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_cond(&$2, TRUE))
	    {
1687
	      my_error(ER_SP_DUP_COND, MYF(0), $2.str);
1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704
	      YYABORT;
	    }
	    YYTHD->lex->spcont->push_cond(&$2, $5);
	    $$.vars= $$.hndlrs= $$.curs= 0;
	    $$.conds= 1;
	  }
	| DECLARE_SYM sp_handler_type HANDLER_SYM FOR_SYM
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_instr_hpush_jump *i=
              new sp_instr_hpush_jump(sp->instructions(), ctx, $2,
	                              ctx->current_pvars());

	    sp->add_instr(i);
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
1705
	    sp->m_flags|= sp_head::IN_HANDLER;
1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728
	  }
	  sp_hcond_list sp_proc_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *hlab= lex->spcont->pop_label(); /* After this hdlr */
	    sp_instr_hreturn *i;

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

	      sp->add_instr(i);
	      sp->push_backpatch(i, lex->spcont->last_label()); /* Block end */
	    }
	    lex->sphead->backpatch(hlab);
1729
	    sp->m_flags&= ~sp_head::IN_HANDLER;
1730 1731
	    $$.vars= $$.conds= $$.curs= 0;
	    $$.hndlrs= $6;
1732
	    ctx->add_handlers($6);
1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743
	  }
	| DECLARE_SYM ident CURSOR_SYM FOR_SYM sp_cursor_stmt
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    uint offp;
	    sp_instr_cpush *i;

	    if (ctx->find_cursor(&$2, &offp, TRUE))
	    {
1744
	      my_error(ER_SP_DUP_CURS, MYF(0), $2.str);
1745 1746 1747
	      delete $5;
	      YYABORT;
	    }
unknown's avatar
unknown committed
1748 1749
            i= new sp_instr_cpush(sp->instructions(), ctx, $5,
                                  ctx->current_cursors());
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771
	    sp->add_instr(i);
	    ctx->push_cursor(&$2);
	    $$.vars= $$.conds= $$.hndlrs= 0;
	    $$.curs= 1;
	  }
	;

sp_cursor_stmt:
	  {
	    Lex->sphead->reset_lex(YYTHD);

	    /* We use statement here just be able to get a better
	       error message. Using 'select' works too, but will then
	       result in a generic "syntax error" if a non-select
	       statement is given. */
	  }
	  statement
	  {
	    LEX *lex= Lex;

	    if (lex->sql_command != SQLCOM_SELECT)
	    {
unknown's avatar
unknown committed
1772 1773
	      my_message(ER_SP_BAD_CURSOR_QUERY, ER(ER_SP_BAD_CURSOR_QUERY),
                         MYF(0));
1774 1775 1776 1777
	      YYABORT;
	    }
	    if (lex->result)
	    {
unknown's avatar
unknown committed
1778 1779
	      my_message(ER_SP_BAD_CURSOR_SELECT, ER(ER_SP_BAD_CURSOR_SELECT),
                         MYF(0));
1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798
	      YYABORT;
	    }
	    lex->sp_lex_in_use= TRUE;
	    $$= lex;
	    lex->sphead->restore_lex(YYTHD);
	  }
	;

sp_handler_type:
	  EXIT_SYM      { $$= SP_HANDLER_EXIT; }
	| CONTINUE_SYM  { $$= SP_HANDLER_CONTINUE; }
/*	| UNDO_SYM      { QQ No yet } */
	;

sp_hcond_list:
	  sp_hcond
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809
	    sp_pcontext *ctx= lex->spcont;

	    if (ctx->find_handler($1))
	    {
	      my_message(ER_SP_DUP_HANDLER, ER(ER_SP_DUP_HANDLER), MYF(0));
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_hpush_jump *i=
                (sp_instr_hpush_jump *)sp->last_instruction();
1810

1811 1812 1813 1814
	      i->add_condition($1);
	      ctx->push_handler($1);
	      $$= 1;
	    }
1815 1816 1817 1818 1819
	  }
	| sp_hcond_list ',' sp_hcond
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830
	    sp_pcontext *ctx= lex->spcont;

	    if (ctx->find_handler($3))
	    {
	      my_message(ER_SP_DUP_HANDLER, ER(ER_SP_DUP_HANDLER), MYF(0));
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_hpush_jump *i=
	        (sp_instr_hpush_jump *)sp->last_instruction();
1831

1832 1833 1834 1835
	      i->add_condition($3);
	      ctx->push_handler($3);
	      $$= $1 + 1;
	    }
1836 1837 1838 1839
	  }
	;

sp_cond:
unknown's avatar
unknown committed
1840
	  ulong_num
1841 1842 1843 1844 1845 1846 1847
	  {			/* mysql errno */
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::number;
	    $$->mysqlerr= $1;
	  }
	| SQLSTATE_SYM opt_value TEXT_STRING_literal
	  {		/* SQLSTATE */
1848 1849 1850 1851 1852
	    if (!sp_cond_check(&$3))
	    {
	      my_error(ER_SP_BAD_SQLSTATE, MYF(0), $3.str);
	      YYABORT;
	    }
1853 1854
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::state;
1855 1856
	    memcpy($$->sqlstate, $3.str, 5);
	    $$->sqlstate[5]= '\0';
1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874
	  }
	;

opt_value:
	  /* Empty */  {}
	| VALUE_SYM    {}
	;

sp_hcond:
	  sp_cond
	  {
	    $$= $1;
	  }
	| ident			/* CONDITION name */
	  {
	    $$= Lex->spcont->find_cond(&$1);
	    if ($$ == NULL)
	    {
1875
	      my_error(ER_SP_COND_MISMATCH, MYF(0), $1.str);
1876 1877 1878 1879 1880 1881 1882 1883
	      YYABORT;
	    }
	  }
	| SQLWARNING_SYM	/* SQLSTATEs 01??? */
	  {
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::warning;
	  }
1884
	| not FOUND_SYM		/* SQLSTATEs 02??? */
1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898
	  {
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::notfound;
	  }
	| SQLEXCEPTION_SYM	/* All other SQLSTATEs */
	  {
	    $$= (sp_cond_type_t *)YYTHD->alloc(sizeof(sp_cond_type_t));
	    $$->type= sp_cond_type_t::exception;
	  }
	;

sp_decl_idents:
	  ident
	  {
1899 1900
            /* NOTE: field definition is filled in sp_decl section. */

1901 1902 1903 1904 1905
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_pvar(&$1, TRUE))
	    {
1906
	      my_error(ER_SP_DUP_VAR, MYF(0), $1.str);
1907 1908 1909 1910 1911 1912 1913
	      YYABORT;
	    }
	    spc->push_pvar(&$1, (enum_field_types)0, sp_param_in);
	    $$= 1;
	  }
	| sp_decl_idents ',' ident
	  {
1914 1915
            /* NOTE: field definition is filled in sp_decl section. */

1916 1917 1918 1919 1920
	    LEX *lex= Lex;
	    sp_pcontext *spc= lex->spcont;

	    if (spc->find_pvar(&$3, TRUE))
	    {
1921
	      my_error(ER_SP_DUP_VAR, MYF(0), $3.str);
1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945
	      YYABORT;
	    }
	    spc->push_pvar(&$3, (enum_field_types)0, sp_param_in);
	    $$= $1 + 1;
	  }
	;

sp_opt_default:
	  /* Empty */ { $$ = NULL; }
        | DEFAULT expr { $$ = $2; }
	;

sp_proc_stmt:
	  {
	    LEX *lex= Lex;

	    lex->sphead->reset_lex(YYTHD);
	    lex->sphead->m_tmp_query= lex->tok_start;
	  }
	  statement
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;

1946
            sp->m_flags|= sp_get_flags_for_command(lex);
1947 1948
	    if (lex->sql_command == SQLCOM_CHANGE_DB)
	    { /* "USE db" doesn't work in a procedure */
1949
	      my_error(ER_SP_BADSTATEMENT, MYF(0), "USE");
1950 1951
	      YYABORT;
	    }
1952 1953 1954 1955
	    /*
              Don't add an instruction for SET statements, since all
              instructions for them were already added during processing
              of "set" rule.
1956
	    */
1957 1958 1959
            DBUG_ASSERT(lex->sql_command != SQLCOM_SET_OPTION ||
                        lex->var_list.is_empty());
            if (lex->sql_command != SQLCOM_SET_OPTION)
1960
	    {
1961 1962
              sp_instr_stmt *i=new sp_instr_stmt(sp->instructions(),
                                                 lex->spcont, lex);
1963

1964
              /* Extract the query statement from the tokenizer:
1965
                 The end is either lex->tok_end or tok->ptr. */
1966 1967 1968 1969 1970 1971 1972 1973
              if (lex->ptr - lex->tok_end > 1)
                i->m_query.length= lex->ptr - sp->m_tmp_query;
              else
                i->m_query.length= lex->tok_end - sp->m_tmp_query;
              i->m_query.str= strmake_root(YYTHD->mem_root,
                                           (char *)sp->m_tmp_query,
                                           i->m_query.length);
              sp->add_instr(i);
1974 1975 1976
            }
	    sp->restore_lex(YYTHD);
          }
1977 1978 1979
          | RETURN_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr
1980 1981
	  {
	    LEX *lex= Lex;
1982
	    sp_head *sp= lex->sphead;
1983

1984
	    if (sp->m_type != TYPE_ENUM_FUNCTION)
1985
	    {
unknown's avatar
unknown committed
1986
	      my_message(ER_SP_BADRETURN, ER(ER_SP_BADRETURN), MYF(0));
1987 1988 1989 1990 1991 1992
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_freturn *i;

1993 1994
	      i= new sp_instr_freturn(sp->instructions(), lex->spcont, $3,
                                      sp->m_return_field_def.sql_type, lex);
1995
	      sp->add_instr(i);
1996
	      sp->m_flags|= sp_head::HAS_RETURN;
1997
	    }
1998
	    sp->restore_lex(YYTHD);
1999
	  }
2000 2001 2002 2003
        | IF
          { Lex->sphead->new_cont_backpatch(NULL); }
          sp_if END IF
          { Lex->sphead->do_cont_backpatch(); }
2004 2005
	| CASE_SYM WHEN_SYM
	  {
2006
	    Lex->sphead->m_flags&= ~sp_head::IN_SIMPLE_CASE;
2007
            Lex->sphead->new_cont_backpatch(NULL);
2008
	  }
2009
          sp_case END CASE_SYM { Lex->sphead->do_cont_backpatch(); }
2010
        | CASE_SYM
2011 2012 2013 2014
          {
            Lex->sphead->reset_lex(YYTHD);
            Lex->sphead->new_cont_backpatch(NULL);
          }
2015
          expr WHEN_SYM
2016 2017
	  {
	    LEX *lex= Lex;
2018 2019 2020
	    sp_head *sp= lex->sphead;
	    sp_pcontext *parsing_ctx= lex->spcont;
	    int case_expr_id= parsing_ctx->register_case_expr();
2021
            sp_instr_set_case_expr *i;
2022 2023 2024
	    
	    if (parsing_ctx->push_case_expr_id(case_expr_id))
              YYABORT;
2025 2026 2027 2028 2029 2030 2031 2032

            i= new sp_instr_set_case_expr(sp->instructions(),
                                          parsing_ctx,
                                          case_expr_id,
                                          $3,
                                          lex);
            sp->add_cont_backpatch(i);
            sp->add_instr(i);
2033 2034
	    sp->m_flags|= sp_head::IN_SIMPLE_CASE;
	    sp->restore_lex(YYTHD);
2035 2036 2037
	  }
	  sp_case END CASE_SYM
	  {
2038
	    Lex->spcont->pop_case_expr_id();
2039
            Lex->sphead->do_cont_backpatch();
2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053
	  }
	| sp_labeled_control
	  {}
	| { /* Unlabeled controls get a secret label. */
	    LEX *lex= Lex;

	    lex->spcont->push_label((char *)"", lex->sphead->instructions());
	  }
	  sp_unlabeled_control
	  {
	    LEX *lex= Lex;

	    lex->sphead->backpatch(lex->spcont->pop_label());
	  }
2054
	| LEAVE_SYM label_ident
2055 2056 2057 2058 2059 2060 2061 2062
	  {
	    LEX *lex= Lex;
	    sp_head *sp = lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($2.str);

	    if (! lab)
	    {
2063
	      my_error(ER_SP_LILABEL_MISMATCH, MYF(0), "LEAVE", $2.str);
2064 2065 2066 2067 2068
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_jump *i;
2069 2070 2071 2072 2073 2074 2075 2076 2077
	      uint ip= sp->instructions();
	      uint n;

	      n= ctx->diff_handlers(lab->ctx);
	      if (n)
	        sp->add_instr(new sp_instr_hpop(ip++, ctx, n));
	      n= ctx->diff_cursors(lab->ctx);
	      if (n)
	        sp->add_instr(new sp_instr_cpop(ip++, ctx, n));
2078 2079 2080 2081 2082
	      i= new sp_instr_jump(ip, ctx);
	      sp->push_backpatch(i, lab);  /* Jumping forward */
              sp->add_instr(i);
	    }
	  }
2083
	| ITERATE_SYM label_ident
2084 2085 2086 2087 2088 2089 2090 2091
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($2.str);

	    if (! lab || lab->type != SP_LAB_ITER)
	    {
2092
	      my_error(ER_SP_LILABEL_MISMATCH, MYF(0), "ITERATE", $2.str);
2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112
	      YYABORT;
	    }
	    else
	    {
	      sp_instr_jump *i;
	      uint ip= sp->instructions();
	      uint n;

	      n= ctx->diff_handlers(lab->ctx);
	      if (n)
	        sp->add_instr(new sp_instr_hpop(ip++, ctx, n));
	      n= ctx->diff_cursors(lab->ctx);
	      if (n)
	        sp->add_instr(new sp_instr_cpop(ip++, ctx, n));
	      i= new sp_instr_jump(ip, ctx, lab->ip); /* Jump back */
              sp->add_instr(i);
	    }
	  }
	| LABEL_SYM IDENT
	  {
2113
#ifdef SP_GOTO
2114 2115 2116 2117 2118 2119 2120
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($2.str);

	    if (lab)
	    {
2121
	      my_error(ER_SP_LABEL_REDEFINE, MYF(0), $2.str);
2122 2123 2124 2125 2126 2127 2128 2129 2130
	      YYABORT;
	    }
	    else
	    {
	      lab= ctx->push_label($2.str, sp->instructions());
	      lab->type= SP_LAB_GOTO;
	      lab->ctx= ctx;
              sp->backpatch(lab);
	    }
2131 2132 2133 2134
#else
	    yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
#endif
2135 2136 2137
	  }
	| GOTO_SYM IDENT
	  {
2138
#ifdef SP_GOTO
2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab;
	    sp_instr_jump *i;
	    sp_instr_hpop *ih;
	    sp_instr_cpop *ic;

	    if (sp->m_in_handler)
	    {
unknown's avatar
unknown committed
2150
	      my_message(ER_SP_GOTO_IN_HNDLR, ER(ER_SP_GOTO_IN_HNDLR), MYF(0));
2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190
	      YYABORT;
	    }
	    lab= ctx->find_label($2.str);
	    if (! lab)
	    {
	      lab= (sp_label_t *)YYTHD->alloc(sizeof(sp_label_t));
	      lab->name= $2.str;
	      lab->ip= 0;
	      lab->type= SP_LAB_REF;
	      lab->ctx= ctx;

	      ih= new sp_instr_hpop(ip++, ctx, 0);
	      sp->push_backpatch(ih, lab);
	      sp->add_instr(ih);
	      ic= new sp_instr_cpop(ip++, ctx, 0);
	      sp->add_instr(ic);
	      sp->push_backpatch(ic, lab);
	      i= new sp_instr_jump(ip, ctx);
	      sp->push_backpatch(i, lab);  /* Jumping forward */
	      sp->add_instr(i);
	    }
	    else
	    {
	      uint n;

	      n= ctx->diff_handlers(lab->ctx);
	      if (n)
	      {
	        ih= new sp_instr_hpop(ip++, ctx, n);
	        sp->add_instr(ih);
	      }
	      n= ctx->diff_cursors(lab->ctx);
	      if (n)
	      {
	        ic= new sp_instr_cpop(ip++, ctx, n);
	        sp->add_instr(ic);
	      }
	      i= new sp_instr_jump(ip, ctx, lab->ip); /* Jump back */
	      sp->add_instr(i);
	    }
2191 2192 2193 2194
#else
	    yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
#endif
2195 2196 2197 2198 2199 2200 2201 2202 2203 2204
	  }
	| OPEN_SYM ident
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint offset;
	    sp_instr_copen *i;

	    if (! lex->spcont->find_cursor(&$2, &offset))
	    {
2205
	      my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $2.str);
2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219
	      YYABORT;
	    }
	    i= new sp_instr_copen(sp->instructions(), lex->spcont, offset);
	    sp->add_instr(i);
	  }
	| FETCH_SYM sp_opt_fetch_noise ident INTO
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint offset;
	    sp_instr_cfetch *i;

	    if (! lex->spcont->find_cursor(&$3, &offset))
	    {
2220
	      my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $3.str);
2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236
	      YYABORT;
	    }
	    i= new sp_instr_cfetch(sp->instructions(), lex->spcont, offset);
	    sp->add_instr(i);
	  }
	  sp_fetch_list
	  { }
	| CLOSE_SYM ident
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint offset;
	    sp_instr_cclose *i;

	    if (! lex->spcont->find_cursor(&$2, &offset))
	    {
2237
	      my_error(ER_SP_CURSOR_MISMATCH, MYF(0), $2.str);
2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260
	      YYABORT;
	    }
	    i= new sp_instr_cclose(sp->instructions(), lex->spcont,  offset);
	    sp->add_instr(i);
	  }
	;

sp_opt_fetch_noise:
	  /* Empty */
	| NEXT_SYM FROM
	| FROM
	;

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

	    if (!spc || !(spv = spc->find_pvar(&$1)))
	    {
2261
	      my_error(ER_SP_UNDECLARED_VAR, MYF(0), $1.str);
2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281
	      YYABORT;
	    }
	    else
	    {
	      /* An SP local variable */
	      sp_instr_cfetch *i= (sp_instr_cfetch *)sp->last_instruction();

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

	    if (!spc || !(spv = spc->find_pvar(&$3)))
	    {
2282
	      my_error(ER_SP_UNDECLARED_VAR, MYF(0), $3.str);
2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295
	      YYABORT;
	    }
	    else
	    {
	      /* An SP local variable */
	      sp_instr_cfetch *i= (sp_instr_cfetch *)sp->last_instruction();

	      i->add_to_varlist(spv);
	    }
	  }
	;

sp_if:
2296 2297
          { Lex->sphead->reset_lex(YYTHD); }
          expr THEN_SYM
2298 2299 2300 2301 2302
	  {
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;
	    uint ip= sp->instructions();
2303 2304
	    sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, ctx,
                                                               $2, lex);
2305 2306

	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
2307
            sp->add_cont_backpatch(i);
2308
            sp->add_instr(i);
2309
            sp->restore_lex(YYTHD);
2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336
	  }
	  sp_proc_stmts1
	  {
	    sp_head *sp= Lex->sphead;
	    sp_pcontext *ctx= Lex->spcont;
	    uint ip= sp->instructions();
	    sp_instr_jump *i = new sp_instr_jump(ip, ctx);

	    sp->add_instr(i);
	    sp->backpatch(ctx->pop_label());
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
	  }
	  sp_elseifs
	  {
	    LEX *lex= Lex;

	    lex->sphead->backpatch(lex->spcont->pop_label());
	  }
	;

sp_elseifs:
	  /* Empty */
	| ELSEIF_SYM sp_if
	| ELSE sp_proc_stmts1
	;

sp_case:
2337 2338
	  { Lex->sphead->reset_lex(YYTHD); }
          expr THEN_SYM
2339 2340 2341 2342 2343 2344 2345
	  {
            LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= Lex->spcont;
	    uint ip= sp->instructions();
	    sp_instr_jump_if_not *i;

2346
	    if (! (sp->m_flags & sp_head::IN_SIMPLE_CASE))
2347
	      i= new sp_instr_jump_if_not(ip, ctx, $2, lex);
2348 2349 2350
	    else
	    { /* Simple case: <caseval> = <whenval> */

2351 2352 2353 2354 2355
	      Item_case_expr *var;
              Item *expr;

              var= new Item_case_expr(ctx->get_current_case_expr_id());

unknown's avatar
unknown committed
2356
#ifndef DBUG_OFF
2357
              if (var)
2358
                var->m_sp= sp;
2359
#endif
2360 2361

	      expr= new Item_func_eq(var, $2);
2362

2363
	      i= new sp_instr_jump_if_not(ip, ctx, expr, lex);
2364 2365
	    }
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
2366
            sp->add_cont_backpatch(i);
2367
            sp->add_instr(i);
2368
            sp->restore_lex(YYTHD);
2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387
	  }
	  sp_proc_stmts1
	  {
	    sp_head *sp= Lex->sphead;
	    sp_pcontext *ctx= Lex->spcont;
	    uint ip= sp->instructions();
	    sp_instr_jump *i = new sp_instr_jump(ip, ctx);

	    sp->add_instr(i);
	    sp->backpatch(ctx->pop_label());
	    sp->push_backpatch(i, ctx->push_label((char *)"", 0));
	  }
	  sp_whens
	  {
	    LEX *lex= Lex;

	    lex->sphead->backpatch(lex->spcont->pop_label());
	  }
	;
unknown's avatar
unknown committed
2388

2389 2390 2391 2392 2393 2394 2395
sp_whens:
	  /* Empty */
	  {
	    sp_head *sp= Lex->sphead;
	    uint ip= sp->instructions();
	    sp_instr_error *i= new sp_instr_error(ip, Lex->spcont,
						  ER_SP_CASE_NOT_FOUND);
unknown's avatar
unknown committed
2396

2397 2398 2399 2400 2401
	    sp->add_instr(i);
	  }
	| ELSE sp_proc_stmts1 {}
	| WHEN_SYM sp_case {}
	;
unknown's avatar
unknown committed
2402

2403
sp_labeled_control:
2404
	  label_ident ':'
unknown's avatar
unknown committed
2405
	  {
2406 2407 2408 2409 2410 2411
	    LEX *lex= Lex;
	    sp_pcontext *ctx= lex->spcont;
	    sp_label_t *lab= ctx->find_label($1.str);

	    if (lab)
	    {
2412
	      my_error(ER_SP_LABEL_REDEFINE, MYF(0), $1.str);
unknown's avatar
unknown committed
2413
	      YYABORT;
2414 2415 2416 2417 2418 2419 2420
	    }
	    else
	    {
	      lab= lex->spcont->push_label($1.str,
	                                   lex->sphead->instructions());
	      lab->type= SP_LAB_ITER;
	    }
unknown's avatar
unknown committed
2421
	  }
2422
	  sp_unlabeled_control sp_opt_label
unknown's avatar
unknown committed
2423
	  {
2424
	    LEX *lex= Lex;
unknown's avatar
unknown committed
2425

2426 2427 2428 2429 2430 2431 2432
	    if ($5.str)
	    {
	      sp_label_t *lab= lex->spcont->find_label($5.str);

	      if (!lab ||
	          my_strcasecmp(system_charset_info, $5.str, lab->name) != 0)
	      {
2433
	        my_error(ER_SP_LABEL_MISMATCH, MYF(0), $5.str);
2434 2435 2436 2437
	        YYABORT;
	      }
	    }
	    lex->sphead->backpatch(lex->spcont->pop_label());
unknown's avatar
unknown committed
2438
	  }
2439 2440 2441
	;

sp_opt_label:
2442
        /* Empty  */    { $$= null_lex_str; }
2443
        | label_ident   { $$= $1; }
2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459
	;

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

	    lab->type= SP_LAB_BEGIN;
	    lex->spcont= lex->spcont->push_context();
	  }
	  sp_decls
	  sp_proc_stmts
	  END
2460
	  {
2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    sp_pcontext *ctx= lex->spcont;

  	    sp->backpatch(ctx->last_label());	/* We always have a label */
	    if ($3.hndlrs)
	      sp->add_instr(new sp_instr_hpop(sp->instructions(), ctx,
					      $3.hndlrs));
	    if ($3.curs)
	      sp->add_instr(new sp_instr_cpop(sp->instructions(), ctx,
					      $3.curs));
	    lex->spcont= ctx->pop_context();
	  }
	| LOOP_SYM
	  sp_proc_stmts1 END LOOP_SYM
unknown's avatar
unknown committed
2476
	  {
2477 2478 2479 2480 2481 2482
	    LEX *lex= Lex;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
	    sp_instr_jump *i = new sp_instr_jump(ip, lex->spcont, lab->ip);

	    lex->sphead->add_instr(i);
unknown's avatar
unknown committed
2483
	  }
2484 2485 2486
        | WHILE_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr DO_SYM
unknown's avatar
unknown committed
2487
	  {
2488 2489 2490 2491
	    LEX *lex= Lex;
	    sp_head *sp= lex->sphead;
	    uint ip= sp->instructions();
	    sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, lex->spcont,
2492
							       $3, lex);
2493 2494 2495

	    /* Jumping forward */
	    sp->push_backpatch(i, lex->spcont->last_label());
2496
            sp->new_cont_backpatch(i);
2497
            sp->add_instr(i);
2498
            sp->restore_lex(YYTHD);
unknown's avatar
unknown committed
2499
	  }
2500
	  sp_proc_stmts1 END WHILE_SYM
unknown's avatar
unknown committed
2501
	  {
2502 2503 2504 2505 2506 2507
	    LEX *lex= Lex;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
	    sp_instr_jump *i = new sp_instr_jump(ip, lex->spcont, lab->ip);

	    lex->sphead->add_instr(i);
2508
            lex->sphead->do_cont_backpatch();
2509
	  }
2510 2511 2512
        | REPEAT_SYM sp_proc_stmts1 UNTIL_SYM 
          { Lex->sphead->reset_lex(YYTHD); }
          expr END REPEAT_SYM
2513 2514 2515 2516 2517
	  {
	    LEX *lex= Lex;
	    uint ip= lex->sphead->instructions();
	    sp_label_t *lab= lex->spcont->last_label();  /* Jumping back */
	    sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, lex->spcont,
2518 2519
                                                               $5, lab->ip,
                                                               lex);
2520
            lex->sphead->add_instr(i);
2521
            lex->sphead->restore_lex(YYTHD);
2522 2523
            /* We can shortcut the cont_backpatch here */
            i->m_cont_dest= ip+1;
2524
	  }
2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540
	;

trg_action_time:
            BEFORE_SYM 
            { Lex->trg_chistics.action_time= TRG_ACTION_BEFORE; }
          | AFTER_SYM 
            { Lex->trg_chistics.action_time= TRG_ACTION_AFTER; }
          ;

trg_event:
            INSERT 
            { Lex->trg_chistics.event= TRG_EVENT_INSERT; }
          | UPDATE_SYM
            { Lex->trg_chistics.event= TRG_EVENT_UPDATE; }
          | DELETE_SYM
            { Lex->trg_chistics.event= TRG_EVENT_DELETE; }
2541
          ;
unknown's avatar
unknown committed
2542 2543

create2:
unknown's avatar
unknown committed
2544 2545 2546 2547 2548 2549
        '(' create2a {}
        | opt_create_table_options create3 {}
        | LIKE table_ident
          {
            LEX *lex=Lex;
            if (!(lex->name= (char *)$2))
unknown's avatar
unknown committed
2550
              YYABORT;
unknown's avatar
unknown committed
2551 2552 2553 2554 2555
          }
        | '(' LIKE table_ident ')'
          {
            LEX *lex=Lex;
            if (!(lex->name= (char *)$3))
2556
              YYABORT;
unknown's avatar
unknown committed
2557
          }
unknown's avatar
unknown committed
2558
        ;
unknown's avatar
unknown committed
2559

unknown's avatar
unknown committed
2560 2561
create2a:
        field_list ')' opt_create_table_options create3 {}
unknown's avatar
unknown committed
2562
	|  create_select ')' { Select->set_braces(1);} union_opt {}
2563
        ;
unknown's avatar
unknown committed
2564 2565

create3:
2566
	/* empty */ {}
unknown's avatar
unknown committed
2567
	| opt_duplicate opt_as     create_select
unknown's avatar
unknown committed
2568
          { Select->set_braces(0);} union_clause {}
unknown's avatar
unknown committed
2569
	| opt_duplicate opt_as '(' create_select ')'
unknown's avatar
unknown committed
2570
          { Select->set_braces(1);} union_opt {}
2571 2572
        ;

unknown's avatar
unknown committed
2573
create_select:
2574
          SELECT_SYM
unknown's avatar
unknown committed
2575
          {
unknown's avatar
unknown committed
2576
	    LEX *lex=Lex;
2577
	    lex->lock_option= using_update_log ? TL_READ_NO_INSERT : TL_READ;
2578 2579 2580 2581
	    if (lex->sql_command == SQLCOM_INSERT)
	      lex->sql_command= SQLCOM_INSERT_SELECT;
	    else if (lex->sql_command == SQLCOM_REPLACE)
	      lex->sql_command= SQLCOM_REPLACE_SELECT;
2582 2583 2584 2585
	    /*
              The following work only with the local list, the global list
              is created correctly in this case
	    */
unknown's avatar
unknown committed
2586
	    lex->current_select->table_list.save_and_clear(&lex->save_list);
unknown's avatar
unknown committed
2587
	    mysql_init_select(lex);
2588
	    lex->current_select->parsing_place= SELECT_LIST;
unknown's avatar
unknown committed
2589
          }
unknown's avatar
unknown committed
2590 2591
          select_options select_item_list
	  {
2592
	    Select->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
2593
	  }
unknown's avatar
unknown committed
2594
	  opt_select_from
2595 2596 2597 2598 2599 2600 2601
	  {
	    /*
              The following work only with the local list, the global list
              is created correctly in this case
	    */
	    Lex->current_select->table_list.push_front(&Lex->save_list);
	  }
unknown's avatar
unknown committed
2602
        ;
unknown's avatar
unknown committed
2603

2604 2605
opt_as:
	/* empty */ {}
unknown's avatar
unknown committed
2606
	| AS	    {};
2607

2608 2609 2610 2611 2612 2613 2614 2615 2616
opt_create_database_options:
	/* empty */			{}
	| create_database_options	{};

create_database_options:
	create_database_option					{}
	| create_database_options create_database_option	{};

create_database_option:
2617 2618
	default_collation   {}
	| default_charset   {};
2619

unknown's avatar
unknown committed
2620
opt_table_options:
unknown's avatar
unknown committed
2621
	/* empty */	 { $$= 0; }
unknown's avatar
unknown committed
2622
	| table_options  { $$= $1;};
unknown's avatar
unknown committed
2623 2624 2625

table_options:
	table_option	{ $$=$1; }
unknown's avatar
unknown committed
2626
	| table_option table_options { $$= $1 | $2; };
unknown's avatar
unknown committed
2627

unknown's avatar
unknown committed
2628
table_option:
unknown's avatar
unknown committed
2629
	TEMPORARY	{ $$=HA_LEX_CREATE_TMP_TABLE; };
unknown's avatar
unknown committed
2630 2631

opt_if_not_exists:
unknown's avatar
unknown committed
2632
	/* empty */	 { $$= 0; }
2633
	| IF not EXISTS	 { $$=HA_LEX_CREATE_IF_NOT_EXISTS; };
unknown's avatar
unknown committed
2634 2635 2636

opt_create_table_options:
	/* empty */
unknown's avatar
unknown committed
2637
	| create_table_options;
unknown's avatar
unknown committed
2638

unknown's avatar
unknown committed
2639 2640 2641 2642
create_table_options_space_separated:
	create_table_option
	| create_table_option create_table_options_space_separated;

unknown's avatar
unknown committed
2643 2644
create_table_options:
	create_table_option
2645
	| create_table_option     create_table_options
unknown's avatar
unknown committed
2646
	| create_table_option ',' create_table_options;
unknown's avatar
unknown committed
2647 2648

create_table_option:
2649 2650
	ENGINE_SYM opt_equal storage_engines    { Lex->create_info.db_type= $3; Lex->create_info.used_fields|= HA_CREATE_USED_ENGINE; }
	| TYPE_SYM opt_equal storage_engines    { Lex->create_info.db_type= $3; WARN_DEPRECATED("TYPE=storage_engine","ENGINE=storage_engine");   Lex->create_info.used_fields|= HA_CREATE_USED_ENGINE; }
2651 2652
	| MAX_ROWS opt_equal ulonglong_num	{ Lex->create_info.max_rows= $3; Lex->create_info.used_fields|= HA_CREATE_USED_MAX_ROWS;}
	| MIN_ROWS opt_equal ulonglong_num	{ Lex->create_info.min_rows= $3; Lex->create_info.used_fields|= HA_CREATE_USED_MIN_ROWS;}
unknown's avatar
unknown committed
2653
	| AVG_ROW_LENGTH opt_equal ulong_num	{ Lex->create_info.avg_row_length=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AVG_ROW_LENGTH;}
2654 2655
	| PASSWORD opt_equal TEXT_STRING_sys	{ Lex->create_info.password=$3.str; Lex->create_info.used_fields|= HA_CREATE_USED_PASSWORD; }
	| COMMENT_SYM opt_equal TEXT_STRING_sys	{ Lex->create_info.comment=$3.str; Lex->create_info.used_fields|= HA_CREATE_USED_COMMENT; }
2656
	| AUTO_INC opt_equal ulonglong_num	{ Lex->create_info.auto_increment_value=$3; Lex->create_info.used_fields|= HA_CREATE_USED_AUTO;}
2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677
        | PACK_KEYS_SYM opt_equal ulong_num
          {
            switch($3) {
            case 0:
                Lex->create_info.table_options|= HA_OPTION_NO_PACK_KEYS;
                break;
            case 1:
                Lex->create_info.table_options|= HA_OPTION_PACK_KEYS;
                break;
            default:
                yyerror(ER(ER_SYNTAX_ERROR));
                YYABORT;
            }
            Lex->create_info.used_fields|= HA_CREATE_USED_PACK_KEYS;
          }
        | PACK_KEYS_SYM opt_equal DEFAULT
          {
            Lex->create_info.table_options&=
              ~(HA_OPTION_PACK_KEYS | HA_OPTION_NO_PACK_KEYS);
            Lex->create_info.used_fields|= HA_CREATE_USED_PACK_KEYS;
          }
unknown's avatar
unknown committed
2678 2679
	| CHECKSUM_SYM opt_equal ulong_num	{ Lex->create_info.table_options|= $3 ? HA_OPTION_CHECKSUM : HA_OPTION_NO_CHECKSUM; Lex->create_info.used_fields|= HA_CREATE_USED_CHECKSUM; }
	| DELAY_KEY_WRITE_SYM opt_equal ulong_num { Lex->create_info.table_options|= $3 ? HA_OPTION_DELAY_KEY_WRITE : HA_OPTION_NO_DELAY_KEY_WRITE;  Lex->create_info.used_fields|= HA_CREATE_USED_DELAY_KEY_WRITE; }
2680
	| ROW_FORMAT_SYM opt_equal row_types	{ Lex->create_info.row_type= $3;  Lex->create_info.used_fields|= HA_CREATE_USED_ROW_FORMAT; }
unknown's avatar
unknown committed
2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695
	| RAID_TYPE opt_equal raid_types
	  {
	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_TYPE", "PARTITION");
	    YYABORT;
	  }
	| RAID_CHUNKS opt_equal ulong_num
	  {
	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_CHUNKS", "PARTITION");
	    YYABORT;
	  }
	| RAID_CHUNKSIZE opt_equal ulong_num
	  {
	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_CHUNKSIZE", "PARTITION");
	    YYABORT;
	  }
2696
	| UNION_SYM opt_equal '(' table_list ')'
2697 2698 2699
	  {
	    /* Move the union list to the merge_list */
	    LEX *lex=Lex;
2700 2701
	    TABLE_LIST *table_list= lex->select_lex.get_table_list();
	    lex->create_info.merge_list= lex->select_lex.table_list;
2702
	    lex->create_info.merge_list.elements--;
2703 2704
	    lex->create_info.merge_list.first=
	      (byte*) (table_list->next_local);
2705
	    lex->select_lex.table_list.elements=1;
2706 2707 2708
	    lex->select_lex.table_list.next=
	      (byte**) &(table_list->next_local);
	    table_list->next_local= 0;
2709
	    lex->create_info.used_fields|= HA_CREATE_USED_UNION;
2710
	  }
2711 2712
	| default_charset
	| default_collation
2713
	| INSERT_METHOD opt_equal merge_insert_types   { Lex->create_info.merge_insert_method= $3; Lex->create_info.used_fields|= HA_CREATE_USED_INSERT_METHOD;}
2714 2715
	| DATA_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys { Lex->create_info.data_file_name= $4.str; Lex->create_info.used_fields|= HA_CREATE_USED_DATADIR; }
	| INDEX_SYM DIRECTORY_SYM opt_equal TEXT_STRING_sys { Lex->create_info.index_file_name= $4.str;  Lex->create_info.used_fields|= HA_CREATE_USED_INDEXDIR; }
2716
	| CONNECTION_SYM opt_equal TEXT_STRING_sys { Lex->create_info.connect_string.str= $3.str; Lex->create_info.connect_string.length= $3.length;  Lex->create_info.used_fields|= HA_CREATE_USED_CONNECTION; }
2717
        ;
unknown's avatar
unknown committed
2718

2719 2720 2721 2722 2723 2724 2725 2726
default_charset:
        opt_default charset opt_equal charset_name_or_default
        {
          HA_CREATE_INFO *cinfo= &Lex->create_info;
          if ((cinfo->used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
               cinfo->default_table_charset && $4 &&
               !my_charset_same(cinfo->default_table_charset,$4))
          {
2727 2728 2729
            my_error(ER_CONFLICTING_DECLARATIONS, MYF(0),
                     "CHARACTER SET ", cinfo->default_table_charset->csname,
                     "CHARACTER SET ", $4->csname);
2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743
            YYABORT;
          }
	  Lex->create_info.default_table_charset= $4;
          Lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
        };

default_collation:
        opt_default COLLATE_SYM opt_equal collation_name_or_default
        {
          HA_CREATE_INFO *cinfo= &Lex->create_info;
          if ((cinfo->used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
               cinfo->default_table_charset && $4 &&
               !my_charset_same(cinfo->default_table_charset,$4))
            {
2744 2745
              my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $4->name, cinfo->default_table_charset->csname);
2746 2747 2748 2749 2750 2751
              YYABORT;
            }
            Lex->create_info.default_table_charset= $4;
            Lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
        };

unknown's avatar
unknown committed
2752
storage_engines:
2753 2754 2755 2756
	ident_or_text
	{
	  $$ = ha_resolve_by_name($1.str,$1.length);
	  if ($$ == DB_TYPE_UNKNOWN) {
2757
	    my_error(ER_UNKNOWN_STORAGE_ENGINE, MYF(0), $1.str);
2758 2759 2760
	    YYABORT;
	  }
	};
unknown's avatar
unknown committed
2761 2762 2763 2764 2765

row_types:
	DEFAULT		{ $$= ROW_TYPE_DEFAULT; }
	| FIXED_SYM	{ $$= ROW_TYPE_FIXED; }
	| DYNAMIC_SYM	{ $$= ROW_TYPE_DYNAMIC; }
2766 2767 2768
	| COMPRESSED_SYM { $$= ROW_TYPE_COMPRESSED; }
	| REDUNDANT_SYM	{ $$= ROW_TYPE_REDUNDANT; }
	| COMPACT_SYM	{ $$= ROW_TYPE_COMPACT; };
unknown's avatar
unknown committed
2769 2770 2771 2772

raid_types:
	RAID_STRIPED_SYM { $$= RAID_TYPE_0; }
	| RAID_0_SYM	 { $$= RAID_TYPE_0; }
unknown's avatar
unknown committed
2773
	| ulong_num	 { $$=$1;};
unknown's avatar
unknown committed
2774

2775 2776 2777
merge_insert_types:
       NO_SYM            { $$= MERGE_INSERT_DISABLED; }
       | FIRST_SYM       { $$= MERGE_INSERT_TO_FIRST; }
unknown's avatar
unknown committed
2778
       | LAST_SYM        { $$= MERGE_INSERT_TO_LAST; };
2779

unknown's avatar
unknown committed
2780
opt_select_from:
2781
	opt_limit_clause {}
unknown's avatar
unknown committed
2782
	| select_from select_lock_type;
unknown's avatar
unknown committed
2783 2784

udf_func_type:
2785
	/* empty */	{ $$ = UDFTYPE_FUNCTION; }
unknown's avatar
unknown committed
2786
	| AGGREGATE_SYM { $$ = UDFTYPE_AGGREGATE; };
unknown's avatar
unknown committed
2787 2788 2789 2790

udf_type:
	STRING_SYM {$$ = (int) STRING_RESULT; }
	| REAL {$$ = (int) REAL_RESULT; }
unknown's avatar
unknown committed
2791
        | DECIMAL_SYM {$$ = (int) DECIMAL_RESULT; }
unknown's avatar
unknown committed
2792
	| INT_SYM {$$ = (int) INT_RESULT; };
unknown's avatar
unknown committed
2793 2794 2795

field_list:
	  field_list_item
unknown's avatar
unknown committed
2796
	| field_list ',' field_list_item;
unknown's avatar
unknown committed
2797 2798 2799


field_list_item:
unknown's avatar
unknown committed
2800
	   column_def
2801 2802 2803 2804
         | key_def
         ;

column_def:
unknown's avatar
unknown committed
2805
	  field_spec opt_check_constraint
unknown's avatar
unknown committed
2806 2807 2808 2809
	| field_spec references
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
unknown's avatar
unknown committed
2810
	;
2811 2812

key_def:
unknown's avatar
unknown committed
2813
	key_type opt_ident key_alg '(' key_list ')'
unknown's avatar
unknown committed
2814
	  {
unknown's avatar
unknown committed
2815
	    LEX *lex=Lex;
2816
	    lex->key_list.push_back(new Key($1,$2, $3, 0, lex->col_list));
unknown's avatar
unknown committed
2817
	    lex->col_list.empty();		/* Alloced by sql_alloc */
unknown's avatar
unknown committed
2818
	  }
2819 2820 2821 2822
	| opt_constraint constraint_key_type opt_ident key_alg '(' key_list ')'
	  {
	    LEX *lex=Lex;
	    const char *key_name= $3 ? $3:$1;
2823 2824
	    lex->key_list.push_back(new Key($2, key_name, $4, 0,
				    lex->col_list));
2825 2826
	    lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
2827
	| opt_constraint FOREIGN KEY_SYM opt_ident '(' key_list ')' references
unknown's avatar
unknown committed
2828
	  {
2829
	    LEX *lex=Lex;
2830
	    lex->key_list.push_back(new foreign_key($4 ? $4:$1, lex->col_list,
2831 2832 2833 2834 2835
				    $8,
				    lex->ref_list,
				    lex->fk_delete_opt,
				    lex->fk_update_opt,
				    lex->fk_match_option));
2836 2837 2838
	    lex->key_list.push_back(new Key(Key::MULTIPLE, $4 ? $4 : $1,
					    HA_KEY_ALG_UNDEF, 1,
					    lex->col_list));
2839
	    lex->col_list.empty();		/* Alloced by sql_alloc */
unknown's avatar
unknown committed
2840
	  }
unknown's avatar
unknown committed
2841 2842 2843 2844
	| constraint opt_check_constraint
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
	  }
2845
	| opt_constraint check_constraint
unknown's avatar
unknown committed
2846 2847
	  {
	    Lex->col_list.empty();		/* Alloced by sql_alloc */
2848 2849 2850
	  }
	;

unknown's avatar
unknown committed
2851
opt_check_constraint:
2852
	/* empty */
unknown's avatar
unknown committed
2853 2854 2855 2856 2857
	| check_constraint
	;

check_constraint:
	CHECK_SYM expr
2858
	;
unknown's avatar
unknown committed
2859 2860

opt_constraint:
2861
	/* empty */		{ $$=(char*) 0; }
unknown's avatar
unknown committed
2862 2863 2864 2865 2866 2867
	| constraint		{ $$= $1; }
	;

constraint:
	CONSTRAINT opt_ident	{ $$=$2; }
	;
unknown's avatar
unknown committed
2868 2869 2870 2871

field_spec:
	field_ident
	 {
unknown's avatar
unknown committed
2872
	   LEX *lex=Lex;
2873
	   lex->length=lex->dec=0; lex->type=0;
2874
	   lex->default_value= lex->on_update_value= 0;
2875
           lex->comment=null_lex_str;
2876
	   lex->charset=NULL;
unknown's avatar
unknown committed
2877 2878 2879
	 }
	type opt_attribute
	{
unknown's avatar
unknown committed
2880
	  LEX *lex=Lex;
unknown's avatar
unknown committed
2881
	  if (add_field_to_list(lex->thd, $1.str,
unknown's avatar
unknown committed
2882
				(enum enum_field_types) $3,
unknown's avatar
unknown committed
2883
				lex->length,lex->dec,lex->type,
2884
				lex->default_value, lex->on_update_value, 
2885
                                &lex->comment,
2886
				lex->change,&lex->interval_list,lex->charset,
unknown's avatar
unknown committed
2887
				lex->uint_geom_type))
unknown's avatar
unknown committed
2888
	    YYABORT;
unknown's avatar
unknown committed
2889
	};
unknown's avatar
unknown committed
2890 2891

type:
2892
	int_type opt_len field_options	{ $$=$1; }
unknown's avatar
unknown committed
2893 2894
	| real_type opt_precision field_options { $$=$1; }
	| FLOAT_SYM float_options field_options { $$=FIELD_TYPE_FLOAT; }
unknown's avatar
unknown committed
2895 2896 2897 2898
	| BIT_SYM			{ Lex->length= (char*) "1";
					  $$=FIELD_TYPE_BIT; }
	| BIT_SYM '(' NUM ')'		{ Lex->length= $3.str;
					  $$=FIELD_TYPE_BIT; }
unknown's avatar
unknown committed
2899 2900
	| BOOL_SYM			{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_TINY; }
2901 2902
	| BOOLEAN_SYM			{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_TINY; }
2903
	| char '(' NUM ')' opt_binary	{ Lex->length=$3.str;
unknown's avatar
unknown committed
2904 2905 2906
					  $$=FIELD_TYPE_STRING; }
	| char opt_binary		{ Lex->length=(char*) "1";
					  $$=FIELD_TYPE_STRING; }
unknown's avatar
unknown committed
2907
	| nchar '(' NUM ')' opt_bin_mod	{ Lex->length=$3.str;
unknown's avatar
unknown committed
2908
					  $$=FIELD_TYPE_STRING;
2909
					  Lex->charset=national_charset_info; }
unknown's avatar
unknown committed
2910
	| nchar opt_bin_mod		{ Lex->length=(char*) "1";
unknown's avatar
unknown committed
2911
					  $$=FIELD_TYPE_STRING;
2912
					  Lex->charset=national_charset_info; }
2913
	| BINARY '(' NUM ')'		{ Lex->length=$3.str;
unknown's avatar
unknown committed
2914
					  Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2915
					  $$=FIELD_TYPE_STRING; }
2916 2917 2918
	| BINARY			{ Lex->length= (char*) "1";
					  Lex->charset=&my_charset_bin;
					  $$=FIELD_TYPE_STRING; }
unknown's avatar
unknown committed
2919
	| varchar '(' NUM ')' opt_binary { Lex->length=$3.str;
2920
					  $$= MYSQL_TYPE_VARCHAR; }
unknown's avatar
unknown committed
2921
	| nvarchar '(' NUM ')' opt_bin_mod { Lex->length=$3.str;
2922
					  $$= MYSQL_TYPE_VARCHAR;
2923
					  Lex->charset=national_charset_info; }
unknown's avatar
unknown committed
2924
	| VARBINARY '(' NUM ')' 	{ Lex->length=$3.str;
unknown's avatar
unknown committed
2925
					  Lex->charset=&my_charset_bin;
2926
					  $$= MYSQL_TYPE_VARCHAR; }
2927
	| YEAR_SYM opt_len field_options { $$=FIELD_TYPE_YEAR; }
unknown's avatar
unknown committed
2928 2929
	| DATE_SYM			{ $$=FIELD_TYPE_DATE; }
	| TIME_SYM			{ $$=FIELD_TYPE_TIME; }
2930
	| TIMESTAMP opt_len
2931
	  {
2932
	    if (YYTHD->variables.sql_mode & MODE_MAXDB)
2933 2934
	      $$=FIELD_TYPE_DATETIME;
	    else
2935 2936 2937 2938 2939
            {
              /* 
                Unlike other types TIMESTAMP fields are NOT NULL by default.
              */
              Lex->type|= NOT_NULL_FLAG;
2940
	      $$=FIELD_TYPE_TIMESTAMP;
2941
            }
2942
	   }
unknown's avatar
unknown committed
2943
	| DATETIME			{ $$=FIELD_TYPE_DATETIME; }
unknown's avatar
unknown committed
2944
	| TINYBLOB			{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2945
					  $$=FIELD_TYPE_TINY_BLOB; }
unknown's avatar
unknown committed
2946
	| BLOB_SYM opt_len		{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2947
					  $$=FIELD_TYPE_BLOB; }
unknown's avatar
unknown committed
2948 2949
	| spatial_type
          {
unknown's avatar
unknown committed
2950
#ifdef HAVE_SPATIAL
unknown's avatar
unknown committed
2951 2952 2953
            Lex->charset=&my_charset_bin;
            Lex->uint_geom_type= (uint)$1;
            $$=FIELD_TYPE_GEOMETRY;
unknown's avatar
unknown committed
2954
#else
unknown's avatar
unknown committed
2955
            my_error(ER_FEATURE_DISABLED, MYF(0),
2956
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
2957
            YYABORT;
unknown's avatar
unknown committed
2958
#endif
unknown's avatar
unknown committed
2959
          }
unknown's avatar
unknown committed
2960
	| MEDIUMBLOB			{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2961
					  $$=FIELD_TYPE_MEDIUM_BLOB; }
unknown's avatar
unknown committed
2962
	| LONGBLOB			{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2963
					  $$=FIELD_TYPE_LONG_BLOB; }
unknown's avatar
unknown committed
2964
	| LONG_SYM VARBINARY		{ Lex->charset=&my_charset_bin;
unknown's avatar
unknown committed
2965
					  $$=FIELD_TYPE_MEDIUM_BLOB; }
2966 2967
	| LONG_SYM varchar opt_binary	{ $$=FIELD_TYPE_MEDIUM_BLOB; }
	| TINYTEXT opt_binary		{ $$=FIELD_TYPE_TINY_BLOB; }
2968
	| TEXT_SYM opt_len opt_binary	{ $$=FIELD_TYPE_BLOB; }
2969 2970
	| MEDIUMTEXT opt_binary		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
	| LONGTEXT opt_binary		{ $$=FIELD_TYPE_LONG_BLOB; }
unknown's avatar
unknown committed
2971
	| DECIMAL_SYM float_options field_options
unknown's avatar
unknown committed
2972
                                        { $$=FIELD_TYPE_NEWDECIMAL;}
unknown's avatar
unknown committed
2973
	| NUMERIC_SYM float_options field_options
unknown's avatar
unknown committed
2974
                                        { $$=FIELD_TYPE_NEWDECIMAL;}
2975
	| FIXED_SYM float_options field_options
unknown's avatar
unknown committed
2976
                                        { $$=FIELD_TYPE_NEWDECIMAL;}
2977
	| ENUM {Lex->interval_list.empty();} '(' string_list ')' opt_binary
2978
	  { $$=FIELD_TYPE_ENUM; }
2979
	| SET { Lex->interval_list.empty();} '(' string_list ')' opt_binary
2980
	  { $$=FIELD_TYPE_SET; }
2981
	| LONG_SYM opt_binary		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
unknown's avatar
unknown committed
2982 2983 2984 2985 2986 2987
	| SERIAL_SYM
	  {
	    $$=FIELD_TYPE_LONGLONG;
	    Lex->type|= (AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNSIGNED_FLAG |
		         UNIQUE_FLAG);
	  }
2988
	;
unknown's avatar
unknown committed
2989

unknown's avatar
unknown committed
2990 2991 2992
spatial_type:
	GEOMETRY_SYM	      { $$= Field::GEOM_GEOMETRY; }
	| GEOMETRYCOLLECTION  { $$= Field::GEOM_GEOMETRYCOLLECTION; }
2993 2994 2995
	| POINT_SYM           { Lex->length= (char*)"21";
                                $$= Field::GEOM_POINT;
                              }
unknown's avatar
unknown committed
2996 2997 2998 2999 3000 3001 3002
	| MULTIPOINT          { $$= Field::GEOM_MULTIPOINT; }
	| LINESTRING          { $$= Field::GEOM_LINESTRING; }
	| MULTILINESTRING     { $$= Field::GEOM_MULTILINESTRING; }
	| POLYGON             { $$= Field::GEOM_POLYGON; }
	| MULTIPOLYGON        { $$= Field::GEOM_MULTIPOLYGON; }
	;

unknown's avatar
unknown committed
3003 3004
char:
	CHAR_SYM {}
unknown's avatar
unknown committed
3005 3006 3007 3008 3009 3010
	;

nchar:
	NCHAR_SYM {}
	| NATIONAL_SYM CHAR_SYM {}
	;
unknown's avatar
unknown committed
3011

unknown's avatar
unknown committed
3012 3013 3014
varchar:
	char VARYING {}
	| VARCHAR {}
unknown's avatar
unknown committed
3015 3016 3017 3018
	;

nvarchar:
	NATIONAL_SYM VARCHAR {}
unknown's avatar
unknown committed
3019
	| NVARCHAR_SYM {}
unknown's avatar
unknown committed
3020 3021 3022 3023
	| NCHAR_SYM VARCHAR {}
	| NATIONAL_SYM CHAR_SYM VARYING {}
	| NCHAR_SYM VARYING {}
	;
unknown's avatar
unknown committed
3024 3025 3026 3027 3028 3029

int_type:
	INT_SYM		{ $$=FIELD_TYPE_LONG; }
	| TINYINT	{ $$=FIELD_TYPE_TINY; }
	| SMALLINT	{ $$=FIELD_TYPE_SHORT; }
	| MEDIUMINT	{ $$=FIELD_TYPE_INT24; }
unknown's avatar
unknown committed
3030
	| BIGINT	{ $$=FIELD_TYPE_LONGLONG; };
unknown's avatar
unknown committed
3031 3032

real_type:
3033
	REAL		{ $$= YYTHD->variables.sql_mode & MODE_REAL_AS_FLOAT ?
unknown's avatar
unknown committed
3034 3035
			      FIELD_TYPE_FLOAT : FIELD_TYPE_DOUBLE; }
	| DOUBLE_SYM	{ $$=FIELD_TYPE_DOUBLE; }
unknown's avatar
unknown committed
3036
	| DOUBLE_SYM PRECISION { $$=FIELD_TYPE_DOUBLE; };
unknown's avatar
unknown committed
3037 3038 3039


float_options:
unknown's avatar
unknown committed
3040 3041
        /* empty */		{ Lex->dec=Lex->length= (char*)0; }
        | '(' NUM ')'		{ Lex->length=$2.str; Lex->dec= (char*)0; }
unknown's avatar
unknown committed
3042
	| precision		{};
unknown's avatar
unknown committed
3043 3044 3045 3046 3047 3048

precision:
	'(' NUM ',' NUM ')'
	{
	  LEX *lex=Lex;
	  lex->length=$2.str; lex->dec=$4.str;
unknown's avatar
unknown committed
3049
	};
unknown's avatar
unknown committed
3050 3051 3052

field_options:
	/* empty */		{}
unknown's avatar
unknown committed
3053
	| field_opt_list	{};
unknown's avatar
unknown committed
3054 3055 3056

field_opt_list:
	field_opt_list field_option {}
unknown's avatar
unknown committed
3057
	| field_option {};
unknown's avatar
unknown committed
3058 3059

field_option:
unknown's avatar
unknown committed
3060
	SIGNED_SYM	{}
3061
	| UNSIGNED	{ Lex->type|= UNSIGNED_FLAG;}
unknown's avatar
unknown committed
3062
	| ZEROFILL	{ Lex->type|= UNSIGNED_FLAG | ZEROFILL_FLAG; };
unknown's avatar
unknown committed
3063 3064

opt_len:
3065 3066
	/* empty */	{ Lex->length=(char*) 0; } /* use default length */
	| '(' NUM ')'	{ Lex->length= $2.str; };
unknown's avatar
unknown committed
3067 3068 3069

opt_precision:
	/* empty */	{}
unknown's avatar
unknown committed
3070
	| precision	{};
unknown's avatar
unknown committed
3071 3072 3073

opt_attribute:
	/* empty */ {}
unknown's avatar
unknown committed
3074
	| opt_attribute_list {};
unknown's avatar
unknown committed
3075 3076 3077

opt_attribute_list:
	opt_attribute_list attribute {}
unknown's avatar
unknown committed
3078
	| attribute;
unknown's avatar
unknown committed
3079 3080 3081

attribute:
	NULL_SYM	  { Lex->type&= ~ NOT_NULL_FLAG; }
3082
	| not NULL_SYM	  { Lex->type|= NOT_NULL_FLAG; }
3083 3084 3085
	| DEFAULT now_or_signed_literal { Lex->default_value=$2; }
	| ON UPDATE_SYM NOW_SYM optional_braces 
          { Lex->on_update_value= new Item_func_now_local(); }
unknown's avatar
unknown committed
3086
	| AUTO_INC	  { Lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG; }
3087
	| SERIAL_SYM DEFAULT VALUE_SYM
3088 3089 3090
	  { 
	    LEX *lex=Lex;
	    lex->type|= AUTO_INCREMENT_FLAG | NOT_NULL_FLAG | UNIQUE_FLAG; 
3091
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3092 3093 3094 3095 3096
	  }
	| opt_primary KEY_SYM 
	  {
	    LEX *lex=Lex;
	    lex->type|= PRI_KEY_FLAG | NOT_NULL_FLAG; 
3097
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3098 3099 3100 3101 3102
	  }
	| UNIQUE_SYM	  
	  {
	    LEX *lex=Lex;
	    lex->type|= UNIQUE_FLAG; 
3103
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3104 3105 3106 3107 3108
	  }
	| UNIQUE_SYM KEY_SYM 
	  {
	    LEX *lex=Lex;
	    lex->type|= UNIQUE_KEY_FLAG; 
3109
	    lex->alter_info.flags|= ALTER_ADD_INDEX; 
3110
	  }
3111
	| COMMENT_SYM TEXT_STRING_sys { Lex->comment= $2; }
unknown's avatar
unknown committed
3112 3113
	| COLLATE_SYM collation_name
	  {
unknown's avatar
unknown committed
3114
	    if (Lex->charset && !my_charset_same(Lex->charset,$2))
unknown's avatar
unknown committed
3115
	    {
3116 3117
	      my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $2->name,Lex->charset->csname);
unknown's avatar
unknown committed
3118 3119 3120 3121 3122 3123 3124 3125
	      YYABORT;
	    }
	    else
	    {
	      Lex->charset=$2;
	    }
	  }
	;
unknown's avatar
unknown committed
3126

3127 3128 3129 3130 3131
now_or_signed_literal:
        NOW_SYM optional_braces { $$= new Item_func_now_local(); }
        | signed_literal { $$=$1; }
        ;

3132 3133 3134 3135
charset:
	CHAR_SYM SET	{}
	| CHARSET	{}
	;
unknown's avatar
unknown committed
3136

3137
charset_name:
3138
	ident_or_text
3139
	{
unknown's avatar
unknown committed
3140
	  if (!($$=get_charset_by_csname($1.str,MY_CS_PRIMARY,MYF(0))))
3141
	  {
3142
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), $1.str);
3143 3144
	    YYABORT;
	  }
unknown's avatar
unknown committed
3145 3146 3147
	}
	| BINARY { $$= &my_charset_bin; }
	;
3148

3149 3150 3151
charset_name_or_default:
	charset_name { $$=$1;   }
	| DEFAULT    { $$=NULL; } ;
unknown's avatar
unknown committed
3152

unknown's avatar
unknown committed
3153 3154 3155 3156 3157 3158 3159

old_or_new_charset_name:
	ident_or_text
	{
	  if (!($$=get_charset_by_csname($1.str,MY_CS_PRIMARY,MYF(0))) &&
	      !($$=get_old_charset_by_name($1.str)))
	  {
3160
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), $1.str);
unknown's avatar
unknown committed
3161 3162 3163 3164 3165 3166 3167 3168 3169 3170
	    YYABORT;
	  }
	}
	| BINARY { $$= &my_charset_bin; }
	;

old_or_new_charset_name_or_default:
	old_or_new_charset_name { $$=$1;   }
	| DEFAULT    { $$=NULL; } ;

3171
collation_name:
3172
	ident_or_text
3173 3174 3175
	{
	  if (!($$=get_charset_by_name($1.str,MYF(0))))
	  {
3176
	    my_error(ER_UNKNOWN_COLLATION, MYF(0), $1.str);
3177 3178 3179 3180
	    YYABORT;
	  }
	};

3181 3182
opt_collate:
	/* empty */	{ $$=NULL; }
unknown's avatar
unknown committed
3183
	| COLLATE_SYM collation_name_or_default { $$=$2; }
3184 3185
	;

3186 3187 3188 3189
collation_name_or_default:
	collation_name { $$=$1;   }
	| DEFAULT    { $$=NULL; } ;

3190 3191 3192 3193
opt_default:
	/* empty */	{}
	| DEFAULT	{};

unknown's avatar
unknown committed
3194
opt_binary:
3195
	/* empty */			{ Lex->charset=NULL; }
unknown's avatar
unknown committed
3196
	| ASCII_SYM opt_bin_mod		{ Lex->charset=&my_charset_latin1; }
unknown's avatar
unknown committed
3197
	| BYTE_SYM			{ Lex->charset=&my_charset_bin; }
unknown's avatar
unknown committed
3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216
	| UNICODE_SYM opt_bin_mod
	{
	  if (!(Lex->charset=get_charset_by_csname("ucs2",
                                                   MY_CS_PRIMARY,MYF(0))))
	  {
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), "ucs2");
	    YYABORT;
	  }
	}
	| charset charset_name opt_bin_mod	{ Lex->charset=$2; }
        | BINARY opt_bin_charset { Lex->type|= BINCMP_FLAG; };

opt_bin_mod:
	/* empty */ { }
	| BINARY { Lex->type|= BINCMP_FLAG; };

opt_bin_charset:
	/* empty */ { }
	| ASCII_SYM	{ Lex->charset=&my_charset_latin1; }
unknown's avatar
unknown committed
3217 3218
	| UNICODE_SYM
	{
unknown's avatar
unknown committed
3219 3220
	  if (!(Lex->charset=get_charset_by_csname("ucs2",
                                                   MY_CS_PRIMARY,MYF(0))))
unknown's avatar
unknown committed
3221
	  {
unknown's avatar
unknown committed
3222
	    my_error(ER_UNKNOWN_CHARACTER_SET, MYF(0), "ucs2");
unknown's avatar
unknown committed
3223 3224 3225
	    YYABORT;
	  }
	}
3226
	| charset charset_name	{ Lex->charset=$2; } ;
unknown's avatar
unknown committed
3227

unknown's avatar
unknown committed
3228 3229 3230
opt_primary:
	/* empty */
	| PRIMARY_SYM
3231
	;
unknown's avatar
unknown committed
3232

unknown's avatar
unknown committed
3233
references:
3234 3235
	REFERENCES table_ident
	{
3236
	  LEX *lex=Lex;
3237 3238 3239 3240 3241 3242
	  lex->fk_delete_opt= lex->fk_update_opt= lex->fk_match_option= 0;
	  lex->ref_list.empty();
	}
	opt_ref_list
	{
	  $$=$2;
unknown's avatar
unknown committed
3243
	};
3244

3245
opt_ref_list:
unknown's avatar
unknown committed
3246
	/* empty */ opt_on_delete {}
unknown's avatar
unknown committed
3247
	| '(' ref_list ')' opt_on_delete {};
3248 3249 3250

ref_list:
	ref_list ',' ident	{ Lex->ref_list.push_back(new key_part_spec($3.str)); }
unknown's avatar
unknown committed
3251
	| ident			{ Lex->ref_list.push_back(new key_part_spec($1.str)); };
3252

unknown's avatar
unknown committed
3253 3254 3255

opt_on_delete:
	/* empty */ {}
unknown's avatar
unknown committed
3256
	| opt_on_delete_list {};
unknown's avatar
unknown committed
3257 3258 3259

opt_on_delete_list:
	opt_on_delete_list opt_on_delete_item {}
unknown's avatar
unknown committed
3260
	| opt_on_delete_item {};
unknown's avatar
unknown committed
3261 3262

opt_on_delete_item:
3263 3264 3265 3266
	ON DELETE_SYM delete_option   { Lex->fk_delete_opt= $3; }
	| ON UPDATE_SYM delete_option { Lex->fk_update_opt= $3; }
	| MATCH FULL	{ Lex->fk_match_option= foreign_key::FK_MATCH_FULL; }
	| MATCH PARTIAL { Lex->fk_match_option= foreign_key::FK_MATCH_PARTIAL; }
unknown's avatar
unknown committed
3267
	| MATCH SIMPLE_SYM { Lex->fk_match_option= foreign_key::FK_MATCH_SIMPLE; };
unknown's avatar
unknown committed
3268 3269

delete_option:
3270 3271 3272 3273
	RESTRICT	 { $$= (int) foreign_key::FK_OPTION_RESTRICT; }
	| CASCADE	 { $$= (int) foreign_key::FK_OPTION_CASCADE; }
	| SET NULL_SYM   { $$= (int) foreign_key::FK_OPTION_SET_NULL; }
	| NO_SYM ACTION  { $$= (int) foreign_key::FK_OPTION_NO_ACTION; }
unknown's avatar
unknown committed
3274
	| SET DEFAULT    { $$= (int) foreign_key::FK_OPTION_DEFAULT;  };
unknown's avatar
unknown committed
3275 3276

key_type:
3277
	key_or_index			    { $$= Key::MULTIPLE; }
unknown's avatar
SCRUM  
unknown committed
3278 3279
	| FULLTEXT_SYM opt_key_or_index	    { $$= Key::FULLTEXT; }
	| SPATIAL_SYM opt_key_or_index
unknown's avatar
unknown committed
3280 3281 3282 3283
	  {
#ifdef HAVE_SPATIAL
	    $$= Key::SPATIAL;
#else
3284 3285
	    my_error(ER_FEATURE_DISABLED, MYF(0),
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
3286 3287 3288
	    YYABORT;
#endif
	  };
3289 3290 3291

constraint_key_type:
	PRIMARY_SYM KEY_SYM  { $$= Key::PRIMARY; }
unknown's avatar
SCRUM  
unknown committed
3292
	| UNIQUE_SYM opt_key_or_index { $$= Key::UNIQUE; };
unknown's avatar
unknown committed
3293 3294 3295

key_or_index:
	KEY_SYM {}
unknown's avatar
unknown committed
3296
	| INDEX_SYM {};
unknown's avatar
unknown committed
3297

unknown's avatar
SCRUM  
unknown committed
3298 3299 3300 3301 3302
opt_key_or_index:
	/* empty */ {}
	| key_or_index
	;

unknown's avatar
unknown committed
3303 3304
keys_or_index:
	KEYS {}
unknown's avatar
unknown committed
3305
	| INDEX_SYM {}
unknown's avatar
unknown committed
3306
	| INDEXES {};
unknown's avatar
unknown committed
3307

3308
opt_unique_or_fulltext:
unknown's avatar
unknown committed
3309 3310
	/* empty */	{ $$= Key::MULTIPLE; }
	| UNIQUE_SYM	{ $$= Key::UNIQUE; }
unknown's avatar
unknown committed
3311
	| FULLTEXT_SYM	{ $$= Key::FULLTEXT;}
unknown's avatar
unknown committed
3312 3313 3314 3315 3316
	| SPATIAL_SYM
	  {
#ifdef HAVE_SPATIAL
	    $$= Key::SPATIAL;
#else
unknown's avatar
unknown committed
3317
            my_error(ER_FEATURE_DISABLED, MYF(0),
unknown's avatar
unknown committed
3318
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
3319 3320 3321
	    YYABORT;
#endif
	  }
unknown's avatar
unknown committed
3322
        ;
unknown's avatar
unknown committed
3323 3324

key_alg:
3325
	/* empty */		   { $$= HA_KEY_ALG_UNDEF; }
3326
	| USING opt_btree_or_rtree { $$= $2; }
unknown's avatar
unknown committed
3327
	| TYPE_SYM opt_btree_or_rtree  { $$= $2; };
unknown's avatar
unknown committed
3328 3329 3330

opt_btree_or_rtree:
	BTREE_SYM	{ $$= HA_KEY_ALG_BTREE; }
unknown's avatar
unknown committed
3331 3332 3333 3334
	| RTREE_SYM
	  {
	    $$= HA_KEY_ALG_RTREE;
	  }
unknown's avatar
unknown committed
3335
	| HASH_SYM	{ $$= HA_KEY_ALG_HASH; };
unknown's avatar
unknown committed
3336 3337 3338

key_list:
	key_list ',' key_part order_dir { Lex->col_list.push_back($3); }
unknown's avatar
unknown committed
3339
	| key_part order_dir		{ Lex->col_list.push_back($1); };
unknown's avatar
unknown committed
3340 3341 3342

key_part:
	ident			{ $$=new key_part_spec($1.str); }
3343 3344 3345 3346 3347
	| ident '(' NUM ')'	
        {
          int key_part_len= atoi($3.str);
          if (!key_part_len)
          {
3348
            my_error(ER_KEY_PART_0, MYF(0), $1.str);
3349 3350 3351
          }
          $$=new key_part_spec($1.str,(uint) key_part_len);
        };
unknown's avatar
unknown committed
3352 3353 3354

opt_ident:
	/* empty */	{ $$=(char*) 0; }	/* Defaultlength */
unknown's avatar
unknown committed
3355
	| field_ident	{ $$=$1.str; };
unknown's avatar
unknown committed
3356

3357
opt_component:
3358 3359
        /* empty */      { $$= null_lex_str; }
        | '.' ident      { $$= $2; };
3360

unknown's avatar
unknown committed
3361 3362
string_list:
	text_string			{ Lex->interval_list.push_back($1); }
unknown's avatar
unknown committed
3363
	| string_list ',' text_string	{ Lex->interval_list.push_back($3); };
unknown's avatar
unknown committed
3364 3365 3366 3367 3368 3369 3370 3371

/*
** Alter table
*/

alter:
	ALTER opt_ignore TABLE_SYM table_ident
	{
3372
	  THD *thd= YYTHD;
3373
	  LEX *lex= thd->lex;
3374 3375 3376
	  lex->sql_command= SQLCOM_ALTER_TABLE;
	  lex->name= 0;
	  lex->duplicates= DUP_ERROR; 
unknown's avatar
unknown committed
3377 3378
	  if (!lex->select_lex.add_table_to_list(thd, $4, NULL,
						 TL_OPTION_UPDATING))
unknown's avatar
unknown committed
3379 3380 3381 3382
	    YYABORT;
	  lex->create_list.empty();
	  lex->key_list.empty();
	  lex->col_list.empty();
3383
          lex->select_lex.init_order();
3384
	  lex->select_lex.db=lex->name=0;
3385
	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
unknown's avatar
unknown committed
3386
	  lex->create_info.db_type= DB_TYPE_DEFAULT;
3387
	  lex->create_info.default_table_charset= NULL;
3388
	  lex->create_info.row_type= ROW_TYPE_NOT_USED;
3389
	  lex->alter_info.reset();
3390
	  lex->alter_info.flags= 0;
unknown's avatar
unknown committed
3391
	}
3392 3393
	alter_list
	{}
3394
	| ALTER DATABASE ident_or_empty
3395 3396 3397 3398 3399
          {
            Lex->create_info.default_table_charset= NULL;
            Lex->create_info.used_fields= 0;
          }
          opt_create_database_options
3400 3401 3402
	  {
	    LEX *lex=Lex;
	    lex->sql_command=SQLCOM_ALTER_DB;
3403
	    lex->name= $3;
3404 3405 3406 3407 3408
	  }
	| ALTER PROCEDURE sp_name
	  {
	    LEX *lex= Lex;

3409 3410 3411 3412 3413
	    if (lex->sphead)
	    {
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "PROCEDURE");
	      YYABORT;
	    }
3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425
	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
	  sp_a_chistics
	  {
	    LEX *lex=Lex;

	    lex->sql_command= SQLCOM_ALTER_PROCEDURE;
	    lex->spname= $3;
	  }
	| ALTER FUNCTION_SYM sp_name
	  {
	    LEX *lex= Lex;
3426

3427 3428 3429 3430 3431
	    if (lex->sphead)
	    {
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "FUNCTION");
	      YYABORT;
	    }
3432 3433 3434 3435 3436 3437 3438 3439 3440
	    bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
          }
	  sp_a_chistics
	  {
	    LEX *lex=Lex;

	    lex->sql_command= SQLCOM_ALTER_FUNCTION;
	    lex->spname= $3;
	  }
3441 3442
        | ALTER view_algorithm_opt definer view_suid
          VIEW_SYM table_ident
3443 3444 3445 3446 3447 3448
	  {
	    THD *thd= YYTHD;
	    LEX *lex= thd->lex;
	    lex->sql_command= SQLCOM_CREATE_VIEW;
	    lex->create_view_mode= VIEW_ALTER;
	    /* first table in list is target VIEW name */
3449
	    lex->select_lex.add_table_to_list(thd, $6, NULL, 0);
3450
	  }
3451
	  view_list_opt AS view_select view_check_option
3452 3453
	  {}
	;
3454

3455 3456 3457 3458
ident_or_empty:
	/* empty */  { $$= 0; }
	| ident      { $$= $1.str; };

unknown's avatar
unknown committed
3459
alter_list:
3460 3461
	| DISCARD TABLESPACE { Lex->alter_info.tablespace_op= DISCARD_TABLESPACE; }
	| IMPORT TABLESPACE { Lex->alter_info.tablespace_op= IMPORT_TABLESPACE; }
unknown's avatar
unknown committed
3462
        | alter_list_item
unknown's avatar
unknown committed
3463
	| alter_list ',' alter_list_item;
unknown's avatar
unknown committed
3464 3465

add_column:
3466
	ADD opt_column
3467 3468
	{
	  LEX *lex=Lex;
3469 3470
	  lex->change=0;
	  lex->alter_info.flags|= ALTER_ADD_COLUMN;
3471
	};
unknown's avatar
unknown committed
3472 3473

alter_list_item:
3474 3475 3476 3477
	add_column column_def opt_place { }
	| ADD key_def
	  {
	    Lex->alter_info.flags|= ALTER_ADD_INDEX;
3478
	  }
3479 3480 3481 3482
	| add_column '(' field_list ')'
          {
	    Lex->alter_info.flags|= ALTER_ADD_COLUMN | ALTER_ADD_INDEX;
          }
unknown's avatar
unknown committed
3483 3484 3485
	| CHANGE opt_column field_ident
	  {
	     LEX *lex=Lex;
3486
	     lex->change= $3.str;
3487
	     lex->alter_info.flags|= ALTER_CHANGE_COLUMN;
unknown's avatar
unknown committed
3488
	  }
3489
          field_spec opt_place
unknown's avatar
unknown committed
3490 3491 3492
        | MODIFY_SYM opt_column field_ident
          {
            LEX *lex=Lex;
3493
            lex->length=lex->dec=0; lex->type=0;
3494
            lex->default_value= lex->on_update_value= 0;
3495
            lex->comment=null_lex_str;
3496
	    lex->charset= NULL;
3497
	    lex->alter_info.flags|= ALTER_CHANGE_COLUMN;
unknown's avatar
unknown committed
3498 3499 3500 3501
          }
          type opt_attribute
          {
            LEX *lex=Lex;
unknown's avatar
unknown committed
3502
            if (add_field_to_list(lex->thd,$3.str,
unknown's avatar
unknown committed
3503 3504
                                  (enum enum_field_types) $5,
                                  lex->length,lex->dec,lex->type,
3505
                                  lex->default_value, lex->on_update_value,
3506
                                  &lex->comment,
3507
				  $3.str, &lex->interval_list, lex->charset,
unknown's avatar
unknown committed
3508
				  lex->uint_geom_type))
unknown's avatar
unknown committed
3509 3510 3511
	       YYABORT;
          }
          opt_place
unknown's avatar
unknown committed
3512
	| DROP opt_column field_ident opt_restrict
unknown's avatar
unknown committed
3513 3514
	  {
	    LEX *lex=Lex;
3515
	    lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::COLUMN,
3516
                                                               $3.str));
3517
	    lex->alter_info.flags|= ALTER_DROP_COLUMN;
unknown's avatar
unknown committed
3518
	  }
3519 3520 3521 3522
	| DROP FOREIGN KEY_SYM opt_ident
          {
	    Lex->alter_info.flags|= ALTER_DROP_INDEX;
          }
unknown's avatar
unknown committed
3523 3524 3525
	| DROP PRIMARY_SYM KEY_SYM
	  {
	    LEX *lex=Lex;
3526 3527 3528
	    lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
				               primary_key_name));
	    lex->alter_info.flags|= ALTER_DROP_INDEX;
unknown's avatar
unknown committed
3529
	  }
unknown's avatar
unknown committed
3530
	| DROP key_or_index field_ident
unknown's avatar
unknown committed
3531 3532
	  {
	    LEX *lex=Lex;
3533 3534 3535
	    lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
					                       $3.str));
	    lex->alter_info.flags|= ALTER_DROP_INDEX;
unknown's avatar
unknown committed
3536
	  }
3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548
	| DISABLE_SYM KEYS
          {
	    LEX *lex=Lex;
            lex->alter_info.keys_onoff= DISABLE;
	    lex->alter_info.flags|= ALTER_KEYS_ONOFF;
          }
	| ENABLE_SYM KEYS
          {
	    LEX *lex=Lex;
            lex->alter_info.keys_onoff= ENABLE;
	    lex->alter_info.flags|= ALTER_KEYS_ONOFF;
          }
unknown's avatar
unknown committed
3549
	| ALTER opt_column field_ident SET DEFAULT signed_literal
unknown's avatar
unknown committed
3550 3551
	  {
	    LEX *lex=Lex;
3552
	    lex->alter_info.alter_list.push_back(new Alter_column($3.str,$6));
3553
	    lex->alter_info.flags|= ALTER_CHANGE_COLUMN_DEFAULT;
unknown's avatar
unknown committed
3554
	  }
unknown's avatar
unknown committed
3555
	| ALTER opt_column field_ident DROP DEFAULT
unknown's avatar
unknown committed
3556 3557
	  {
	    LEX *lex=Lex;
3558 3559
	    lex->alter_info.alter_list.push_back(new Alter_column($3.str,
                                                                  (Item*) 0));
3560
	    lex->alter_info.flags|= ALTER_CHANGE_COLUMN_DEFAULT;
unknown's avatar
unknown committed
3561
	  }
3562
	| RENAME opt_to table_ident
3563
	  {
3564
	    LEX *lex=Lex;
3565
	    lex->select_lex.db=$3->db.str;
3566
	    lex->name= $3->table.str;
3567 3568 3569
            if (check_table_name($3->table.str,$3->table.length) ||
                $3->db.str && check_db_name($3->db.str))
            {
3570
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $3->table.str);
3571 3572
              YYABORT;
            }
3573
	    lex->alter_info.flags|= ALTER_RENAME;
3574
	  }
3575 3576 3577 3578 3579 3580 3581 3582 3583 3584
	| CONVERT_SYM TO_SYM charset charset_name_or_default opt_collate
	  {
	    if (!$4)
	    {
	      THD *thd= YYTHD;
	      $4= thd->variables.collation_database;
	    }
	    $5= $5 ? $5 : $4;
	    if (!my_charset_same($4,$5))
	    {
3585 3586
	      my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                       $5->name, $4->csname);
3587 3588
	      YYABORT;
	    }
3589
	    LEX *lex= Lex;
3590
	    lex->create_info.table_charset=
unknown's avatar
unknown committed
3591 3592 3593
	      lex->create_info.default_table_charset= $5;
	    lex->create_info.used_fields|= (HA_CREATE_USED_CHARSET |
					    HA_CREATE_USED_DEFAULT_CHARSET);
3594
	    lex->alter_info.flags|= ALTER_CONVERT;
3595
	  }
3596
        | create_table_options_space_separated
3597 3598
	  {
	    LEX *lex=Lex;
3599
	    lex->alter_info.flags|= ALTER_OPTIONS;
3600
	  }
3601 3602 3603 3604
	| FORCE_SYM
	  {
	    Lex->alter_info.flags|= ALTER_FORCE;
	   }
3605
	| order_clause
3606 3607
	  {
	    LEX *lex=Lex;
3608
	    lex->alter_info.flags|= ALTER_ORDER;
3609
	  };
unknown's avatar
unknown committed
3610 3611 3612

opt_column:
	/* empty */	{}
unknown's avatar
unknown committed
3613
	| COLUMN_SYM	{};
unknown's avatar
unknown committed
3614 3615

opt_ignore:
3616 3617 3618
	/* empty */	{ Lex->ignore= 0;}
	| IGNORE_SYM	{ Lex->ignore= 1;}
	;
unknown's avatar
unknown committed
3619 3620

opt_restrict:
3621 3622 3623 3624
	/* empty */	{ Lex->drop_mode= DROP_DEFAULT; }
	| RESTRICT	{ Lex->drop_mode= DROP_RESTRICT; }
	| CASCADE	{ Lex->drop_mode= DROP_CASCADE; }
	;
unknown's avatar
unknown committed
3625 3626 3627 3628

opt_place:
	/* empty */	{}
	| AFTER_SYM ident { store_position_for_column($2.str); }
unknown's avatar
unknown committed
3629
	| FIRST_SYM	  { store_position_for_column(first_keyword); };
unknown's avatar
unknown committed
3630 3631 3632 3633

opt_to:
	/* empty */	{}
	| TO_SYM	{}
3634
	| EQ		{}
unknown's avatar
unknown committed
3635
	| AS		{};
unknown's avatar
unknown committed
3636

unknown's avatar
unknown committed
3637
/*
3638
  SLAVE START and SLAVE STOP are deprecated. We keep them for compatibility.
unknown's avatar
unknown committed
3639 3640
*/

unknown's avatar
unknown committed
3641
slave:
3642
	  START_SYM SLAVE slave_thread_opts
3643 3644 3645 3646 3647 3648
          {
	    LEX *lex=Lex;
            lex->sql_command = SQLCOM_SLAVE_START;
	    lex->type = 0;
	    /* We'll use mi structure for UNTIL options */
	    bzero((char*) &lex->mi, sizeof(lex->mi));
unknown's avatar
unknown committed
3649
            /* If you change this code don't forget to update SLAVE START too */
3650 3651 3652
          }
          slave_until
          {}
unknown's avatar
unknown committed
3653 3654 3655 3656 3657
        | STOP_SYM SLAVE slave_thread_opts
          {
	    LEX *lex=Lex;
            lex->sql_command = SQLCOM_SLAVE_STOP;
	    lex->type = 0;
unknown's avatar
unknown committed
3658
            /* If you change this code don't forget to update SLAVE STOP too */
unknown's avatar
unknown committed
3659
          }
3660 3661 3662 3663 3664
	| SLAVE START_SYM slave_thread_opts
         {
	   LEX *lex=Lex;
           lex->sql_command = SQLCOM_SLAVE_START;
	   lex->type = 0;
3665 3666 3667 3668 3669
	    /* We'll use mi structure for UNTIL options */
	    bzero((char*) &lex->mi, sizeof(lex->mi));
          }
          slave_until
          {}
3670 3671 3672 3673 3674 3675 3676 3677
	| SLAVE STOP_SYM slave_thread_opts
         {
	   LEX *lex=Lex;
           lex->sql_command = SQLCOM_SLAVE_STOP;
	   lex->type = 0;
         }
        ;

unknown's avatar
unknown committed
3678

unknown's avatar
unknown committed
3679
start:
3680 3681
	START_SYM TRANSACTION_SYM start_transaction_opts
        {
3682 3683 3684
          LEX *lex= Lex;
          lex->sql_command= SQLCOM_BEGIN;
          lex->start_transaction_opt= $3;
3685
        }
unknown's avatar
unknown committed
3686 3687
	;

3688 3689 3690 3691 3692 3693
start_transaction_opts:
        /*empty*/ { $$ = 0; }
        | WITH CONSISTENT_SYM SNAPSHOT_SYM
        {
           $$= MYSQL_START_TRANS_OPT_WITH_CONS_SNAPSHOT;
        }
3694
        ;
3695

unknown's avatar
unknown committed
3696
slave_thread_opts:
3697 3698
	{ Lex->slave_thd_opt= 0; }
	slave_thread_opt_list
3699
        {}
unknown's avatar
unknown committed
3700
	;
3701 3702

slave_thread_opt_list:
unknown's avatar
unknown committed
3703
	slave_thread_opt
3704 3705
	| slave_thread_opt_list ',' slave_thread_opt
	;
3706 3707

slave_thread_opt:
3708
	/*empty*/	{}
unknown's avatar
unknown committed
3709
	| SQL_THREAD	{ Lex->slave_thd_opt|=SLAVE_SQL; }
unknown's avatar
unknown committed
3710
	| RELAY_THREAD 	{ Lex->slave_thd_opt|=SLAVE_IO; }
unknown's avatar
unknown committed
3711
	;
3712

3713 3714 3715 3716 3717 3718 3719 3720 3721 3722
slave_until:
	/*empty*/	{}
	| UNTIL_SYM slave_until_opts
          {
            LEX *lex=Lex;
            if ((lex->mi.log_file_name || lex->mi.pos) &&
                (lex->mi.relay_log_name || lex->mi.relay_log_pos) ||
                !((lex->mi.log_file_name && lex->mi.pos) ||
                  (lex->mi.relay_log_name && lex->mi.relay_log_pos)))
            {
unknown's avatar
unknown committed
3723 3724
               my_message(ER_BAD_SLAVE_UNTIL_COND,
                          ER(ER_BAD_SLAVE_UNTIL_COND), MYF(0));
3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735
               YYABORT;
            }

          }
	;

slave_until_opts:
       master_file_def
       | slave_until_opts ',' master_file_def ;


unknown's avatar
unknown committed
3736 3737 3738 3739 3740
restore:
	RESTORE_SYM table_or_tables
	{
	   Lex->sql_command = SQLCOM_RESTORE_TABLE;
	}
unknown's avatar
unknown committed
3741
	table_list FROM TEXT_STRING_sys
unknown's avatar
unknown committed
3742 3743
        {
	  Lex->backup_dir = $6.str;
unknown's avatar
unknown committed
3744
        };
unknown's avatar
unknown committed
3745

unknown's avatar
unknown committed
3746 3747 3748 3749 3750
backup:
	BACKUP_SYM table_or_tables
	{
	   Lex->sql_command = SQLCOM_BACKUP_TABLE;
	}
unknown's avatar
unknown committed
3751
	table_list TO_SYM TEXT_STRING_sys
unknown's avatar
unknown committed
3752 3753
        {
	  Lex->backup_dir = $6.str;
unknown's avatar
unknown committed
3754
        };
unknown's avatar
unknown committed
3755

3756 3757 3758 3759 3760 3761
checksum:
        CHECKSUM_SYM table_or_tables
	{
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_CHECKSUM;
	}
3762 3763
	table_list opt_checksum_type
        {}
3764 3765
	;

3766 3767 3768 3769 3770 3771
opt_checksum_type:
        /* nothing */  { Lex->check_opt.flags= 0; }
	| QUICK        { Lex->check_opt.flags= T_QUICK; }
	| EXTENDED_SYM { Lex->check_opt.flags= T_EXTEND; }
        ;

unknown's avatar
unknown committed
3772
repair:
3773
	REPAIR opt_no_write_to_binlog table_or_tables
unknown's avatar
unknown committed
3774
	{
unknown's avatar
unknown committed
3775 3776
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_REPAIR;
3777
           lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
3778
	   lex->check_opt.init();
unknown's avatar
unknown committed
3779
	}
3780 3781 3782
	table_list opt_mi_repair_type
	{}
	;
unknown's avatar
unknown committed
3783

unknown's avatar
unknown committed
3784
opt_mi_repair_type:
unknown's avatar
unknown committed
3785
	/* empty */ { Lex->check_opt.flags = T_MEDIUM; }
unknown's avatar
unknown committed
3786
	| mi_repair_types {};
unknown's avatar
unknown committed
3787

unknown's avatar
unknown committed
3788 3789
mi_repair_types:
	mi_repair_type {}
unknown's avatar
unknown committed
3790
	| mi_repair_type mi_repair_types {};
3791

unknown's avatar
unknown committed
3792
mi_repair_type:
unknown's avatar
unknown committed
3793
	QUICK          { Lex->check_opt.flags|= T_QUICK; }
3794
	| EXTENDED_SYM { Lex->check_opt.flags|= T_EXTEND; }
unknown's avatar
unknown committed
3795
        | USE_FRM      { Lex->check_opt.sql_flags|= TT_USEFRM; };
unknown's avatar
unknown committed
3796 3797

analyze:
3798
	ANALYZE_SYM opt_no_write_to_binlog table_or_tables
unknown's avatar
unknown committed
3799
	{
unknown's avatar
unknown committed
3800 3801
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_ANALYZE;
3802
           lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
3803
	   lex->check_opt.init();
unknown's avatar
unknown committed
3804
	}
3805 3806 3807
	table_list opt_mi_check_type
	{}
	;
unknown's avatar
unknown committed
3808 3809

check:
unknown's avatar
unknown committed
3810
	CHECK_SYM table_or_tables
unknown's avatar
unknown committed
3811
	{
3812 3813 3814 3815 3816 3817 3818 3819 3820
	  LEX *lex=Lex;

	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "CHECK");
	    YYABORT;
	  }
	  lex->sql_command = SQLCOM_CHECK;
	  lex->check_opt.init();
unknown's avatar
unknown committed
3821
	}
3822 3823 3824
	table_list opt_mi_check_type
	{}
	;
unknown's avatar
unknown committed
3825

unknown's avatar
unknown committed
3826 3827
opt_mi_check_type:
	/* empty */ { Lex->check_opt.flags = T_MEDIUM; }
unknown's avatar
unknown committed
3828
	| mi_check_types {};
unknown's avatar
unknown committed
3829 3830 3831

mi_check_types:
	mi_check_type {}
unknown's avatar
unknown committed
3832
	| mi_check_type mi_check_types {};
unknown's avatar
unknown committed
3833 3834 3835 3836 3837 3838

mi_check_type:
	QUICK      { Lex->check_opt.flags|= T_QUICK; }
	| FAST_SYM { Lex->check_opt.flags|= T_FAST; }
	| MEDIUM_SYM { Lex->check_opt.flags|= T_MEDIUM; }
	| EXTENDED_SYM { Lex->check_opt.flags|= T_EXTEND; }
unknown's avatar
unknown committed
3839
	| CHANGED  { Lex->check_opt.flags|= T_CHECK_ONLY_CHANGED; };
unknown's avatar
unknown committed
3840

unknown's avatar
unknown committed
3841
optimize:
3842
	OPTIMIZE opt_no_write_to_binlog table_or_tables
unknown's avatar
unknown committed
3843
	{
unknown's avatar
unknown committed
3844 3845
	   LEX *lex=Lex;
	   lex->sql_command = SQLCOM_OPTIMIZE;
unknown's avatar
unknown committed
3846
           lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
3847
	   lex->check_opt.init();
unknown's avatar
unknown committed
3848
	}
3849 3850 3851
	table_list opt_mi_check_type
	{}
	;
unknown's avatar
unknown committed
3852

3853 3854 3855
opt_no_write_to_binlog:
	/* empty */        { $$= 0; }
	| NO_WRITE_TO_BINLOG  { $$= 1; }
3856
	| LOCAL_SYM  { $$= 1; }
3857 3858
	;

3859 3860 3861
rename:
	RENAME table_or_tables
	{
3862
          Lex->sql_command= SQLCOM_RENAME_TABLE;
3863
	}
3864 3865
	table_to_table_list
	{}
3866 3867 3868 3869
	| RENAME USER clear_privileges rename_list
          {
	    Lex->sql_command = SQLCOM_RENAME_USER;
          }
3870
	;
3871

3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884
rename_list:
        user TO_SYM user
        {
          if (Lex->users_list.push_back($1) || Lex->users_list.push_back($3))
            YYABORT;
        }
        | rename_list ',' user TO_SYM user
          {
            if (Lex->users_list.push_back($3) || Lex->users_list.push_back($5))
              YYABORT;
          }
        ;

3885 3886
table_to_table_list:
	table_to_table
unknown's avatar
unknown committed
3887
	| table_to_table_list ',' table_to_table;
3888 3889 3890

table_to_table:
	table_ident TO_SYM table_ident
3891
	{
unknown's avatar
unknown committed
3892
	  LEX *lex=Lex;
unknown's avatar
unknown committed
3893
	  SELECT_LEX *sl= lex->current_select;
unknown's avatar
unknown committed
3894 3895 3896 3897
	  if (!sl->add_table_to_list(lex->thd, $1,NULL,TL_OPTION_UPDATING,
				     TL_IGNORE) ||
	      !sl->add_table_to_list(lex->thd, $3,NULL,TL_OPTION_UPDATING,
				     TL_IGNORE))
3898
	    YYABORT;
3899
	};
3900

unknown's avatar
unknown committed
3901
keycache:
unknown's avatar
unknown committed
3902
        CACHE_SYM INDEX_SYM keycache_list IN_SYM key_cache_name
unknown's avatar
unknown committed
3903 3904
        {
          LEX *lex=Lex;
3905
          lex->sql_command= SQLCOM_ASSIGN_TO_KEYCACHE;
3906
	  lex->ident= $5;
unknown's avatar
unknown committed
3907 3908 3909 3910 3911 3912 3913 3914
        }
        ;

keycache_list:
        assign_to_keycache
        | keycache_list ',' assign_to_keycache;

assign_to_keycache:
3915
        table_ident cache_keys_spec
unknown's avatar
unknown committed
3916 3917 3918 3919 3920 3921
        {
          LEX *lex=Lex;
          SELECT_LEX *sel= &lex->select_lex;
          if (!sel->add_table_to_list(lex->thd, $1, NULL, 0,
                                      TL_READ,
                                      sel->get_use_index(),
3922
                                      (List<String> *)0))
unknown's avatar
unknown committed
3923 3924 3925 3926
            YYABORT;
        }
        ;

3927 3928 3929
key_cache_name:
	ident	   { $$= $1; }
	| DEFAULT  { $$ = default_key_cache_base; }
3930
	;
3931

unknown's avatar
unknown committed
3932
preload:
unknown's avatar
unknown committed
3933
	LOAD INDEX_SYM INTO CACHE_SYM
unknown's avatar
unknown committed
3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946
	{
	  LEX *lex=Lex;
	  lex->sql_command=SQLCOM_PRELOAD_KEYS;
	}
	preload_list
	{}
	;

preload_list:
	preload_keys
	| preload_list ',' preload_keys;

preload_keys:
unknown's avatar
unknown committed
3947
	table_ident cache_keys_spec opt_ignore_leaves
unknown's avatar
unknown committed
3948 3949 3950
	{
	  LEX *lex=Lex;
	  SELECT_LEX *sel= &lex->select_lex;
unknown's avatar
unknown committed
3951 3952
	  if (!sel->add_table_to_list(lex->thd, $1, NULL, $3,
                                      TL_READ,
unknown's avatar
unknown committed
3953 3954 3955 3956 3957 3958
                                      sel->get_use_index(),
                                      (List<String> *)0))
            YYABORT;
	}
	;

3959
cache_keys_spec:
3960
        { Select->interval_list.empty(); }
3961 3962 3963 3964 3965 3966 3967
        cache_key_list_or_empty
        {
          LEX *lex=Lex;
          SELECT_LEX *sel= &lex->select_lex;
          sel->use_index= sel->interval_list;
        }
        ;
unknown's avatar
unknown committed
3968

unknown's avatar
unknown committed
3969
cache_key_list_or_empty:
3970
	/* empty */	{ Lex->select_lex.use_index_ptr= 0; }
3971
	| opt_key_or_index '(' key_usage_list2 ')'
3972 3973 3974 3975
	  {
            SELECT_LEX *sel= &Lex->select_lex;
	    sel->use_index_ptr= &sel->use_index;
	  }
unknown's avatar
unknown committed
3976 3977
	;

unknown's avatar
unknown committed
3978
opt_ignore_leaves:
unknown's avatar
unknown committed
3979 3980 3981 3982 3983
	/* empty */
	{ $$= 0; }
	| IGNORE_SYM LEAVES { $$= TL_OPTION_IGNORE_LEAVES; }
	;

unknown's avatar
unknown committed
3984
/*
unknown's avatar
unknown committed
3985
  Select : retrieve data from table
unknown's avatar
unknown committed
3986 3987 3988 3989
*/


select:
3990 3991 3992 3993
	select_init
	{
	  LEX *lex= Lex;
	  lex->sql_command= SQLCOM_SELECT;
unknown's avatar
unknown committed
3994 3995
	}
	;
unknown's avatar
unknown committed
3996

3997
/* Need select_init2 for subselects. */
unknown's avatar
unknown committed
3998
select_init:
3999
	SELECT_SYM select_init2
4000
	|
unknown's avatar
unknown committed
4001 4002 4003 4004
	'(' select_paren ')' union_opt;

select_paren:
	SELECT_SYM select_part2
4005
	  {
4006
	    LEX *lex= Lex;
unknown's avatar
unknown committed
4007
            SELECT_LEX * sel= lex->current_select;
unknown's avatar
unknown committed
4008
	    if (sel->set_braces(1))
4009
	    {
4010
	      yyerror(ER(ER_SYNTAX_ERROR));
4011 4012
	      YYABORT;
	    }
4013 4014
	  if (sel->linkage == UNION_TYPE &&
	      !sel->master_unit()->first_select()->braces)
unknown's avatar
unknown committed
4015
	  {
4016
	    yyerror(ER(ER_SYNTAX_ERROR));
unknown's avatar
unknown committed
4017 4018
	    YYABORT;
	  }
4019
            /* select in braces, can't contain global parameters */
unknown's avatar
unknown committed
4020 4021 4022
	    if (sel->master_unit()->fake_select_lex)
              sel->master_unit()->global_parameters=
                 sel->master_unit()->fake_select_lex;
unknown's avatar
unknown committed
4023 4024
          }
	| '(' select_paren ')';
4025

4026 4027
select_init2:
	select_part2
4028
        {
4029
	  LEX *lex= Lex;
unknown's avatar
unknown committed
4030
          SELECT_LEX * sel= lex->current_select;
unknown's avatar
unknown committed
4031
          if (lex->current_select->set_braces(0))
4032
	  {
4033
	    yyerror(ER(ER_SYNTAX_ERROR));
4034 4035
	    YYABORT;
	  }
4036 4037
	  if (sel->linkage == UNION_TYPE &&
	      sel->master_unit()->first_select()->braces)
unknown's avatar
unknown committed
4038
	  {
4039
	    yyerror(ER(ER_SYNTAX_ERROR));
unknown's avatar
unknown committed
4040 4041
	    YYABORT;
	  }
4042
	}
4043
	union_clause
4044 4045
	;

4046
select_part2:
unknown's avatar
unknown committed
4047
	{
unknown's avatar
unknown committed
4048 4049
	  LEX *lex= Lex;
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
4050 4051
	  if (sel->linkage != UNION_TYPE)
	    mysql_init_select(lex);
4052
	  lex->current_select->parsing_place= SELECT_LIST;
unknown's avatar
unknown committed
4053 4054 4055
	}
	select_options select_item_list
	{
4056
	  Select->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
4057
	}
unknown's avatar
unknown committed
4058
	select_into select_lock_type;
4059

unknown's avatar
unknown committed
4060
select_into:
unknown's avatar
unknown committed
4061
	opt_order_clause opt_limit_clause {}
4062
        | into
unknown's avatar
unknown committed
4063
	| select_from
4064 4065
	| into select_from
	| select_from into;
unknown's avatar
unknown committed
4066 4067

select_from:
4068 4069
	  FROM join_table_list where_clause group_clause having_clause
	       opt_order_clause opt_limit_clause procedure_clause
unknown's avatar
unknown committed
4070
        | FROM DUAL_SYM where_clause opt_limit_clause
unknown's avatar
unknown committed
4071 4072 4073 4074
          /* oracle compatibility: oracle always requires FROM clause,
             and DUAL is system table without fields.
             Is "SELECT 1 FROM DUAL" any better than "SELECT 1" ?
          Hmmm :) */
4075
	;
unknown's avatar
unknown committed
4076 4077 4078

select_options:
	/* empty*/
unknown's avatar
unknown committed
4079 4080 4081 4082
	| select_option_list
	  {
	    if (test_all_bits(Select->options, SELECT_ALL | SELECT_DISTINCT))
	    {
unknown's avatar
unknown committed
4083
	      my_error(ER_WRONG_USAGE, MYF(0), "ALL", "DISTINCT");
unknown's avatar
unknown committed
4084 4085 4086
              YYABORT;
	    }
          }
unknown's avatar
unknown committed
4087
	  ;
unknown's avatar
unknown committed
4088 4089 4090

select_option_list:
	select_option_list select_option
unknown's avatar
unknown committed
4091
	| select_option;
unknown's avatar
unknown committed
4092 4093

select_option:
4094
	STRAIGHT_JOIN { Select->options|= SELECT_STRAIGHT_JOIN; }
4095 4096 4097 4098 4099 4100
	| HIGH_PRIORITY
	  {
	    if (check_simple_select())
	      YYABORT;
	    Lex->lock_option= TL_READ_HIGH_PRIORITY;
	  }
unknown's avatar
unknown committed
4101
	| DISTINCT         { Select->options|= SELECT_DISTINCT; }
4102 4103
	| SQL_SMALL_RESULT { Select->options|= SELECT_SMALL_RESULT; }
	| SQL_BIG_RESULT { Select->options|= SELECT_BIG_RESULT; }
4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115
	| SQL_BUFFER_RESULT
	  {
	    if (check_simple_select())
	      YYABORT;
	    Select->options|= OPTION_BUFFER_RESULT;
	  }
	| SQL_CALC_FOUND_ROWS
	  {
	    if (check_simple_select())
	      YYABORT;
	    Select->options|= OPTION_FOUND_ROWS;
	  }
4116
	| SQL_NO_CACHE_SYM { Lex->safe_to_cache_query=0; }
4117 4118 4119 4120
	| SQL_CACHE_SYM
	  {
	    Lex->select_lex.options|= OPTION_TO_QUERY_CACHE;
	  }
unknown's avatar
unknown committed
4121
	| ALL		    { Select->options|= SELECT_ALL; }
4122
	;
unknown's avatar
unknown committed
4123

unknown's avatar
unknown committed
4124 4125 4126
select_lock_type:
	/* empty */
	| FOR_SYM UPDATE_SYM
4127 4128
	  {
	    LEX *lex=Lex;
4129
	    lex->current_select->set_lock_for_tables(TL_WRITE);
4130
	    lex->safe_to_cache_query=0;
4131
	  }
unknown's avatar
unknown committed
4132
	| LOCK_SYM IN_SYM SHARE_SYM MODE_SYM
4133 4134
	  {
	    LEX *lex=Lex;
4135 4136
	    lex->current_select->
	      set_lock_for_tables(TL_READ_WITH_SHARED_LOCKS);
4137
	    lex->safe_to_cache_query=0;
4138 4139
	  }
	;
unknown's avatar
unknown committed
4140

unknown's avatar
unknown committed
4141 4142 4143 4144 4145
select_item_list:
	  select_item_list ',' select_item
	| select_item
	| '*'
	  {
4146
	    THD *thd= YYTHD;
4147 4148 4149 4150
	    if (add_item_to_list(thd,
                                 new Item_field(&thd->lex->current_select->
                                                context,
                                                NULL, NULL, "*")))
unknown's avatar
unknown committed
4151
	      YYABORT;
4152
	    (thd->lex->current_select->with_wild)++;
unknown's avatar
unknown committed
4153
	  };
unknown's avatar
unknown committed
4154 4155 4156 4157 4158


select_item:
	  remember_name select_item2 remember_end select_alias
	  {
unknown's avatar
unknown committed
4159
	    if (add_item_to_list(YYTHD, $2))
unknown's avatar
unknown committed
4160 4161
	      YYABORT;
	    if ($4.str)
4162 4163 4164 4165
            {
	      $2->set_name($4.str, $4.length, system_charset_info);
              $2->is_autogenerated_name= FALSE;
            }
4166 4167 4168 4169 4170 4171
	    else if (!$2->name) {
	      char *str = $1;
	      if (str[-1] == '`')
	        str--;
	      $2->set_name(str,(uint) ($3 - str), YYTHD->charset());
	    }
unknown's avatar
unknown committed
4172
	  };
unknown's avatar
unknown committed
4173 4174

remember_name:
unknown's avatar
unknown committed
4175
	{ $$=(char*) Lex->tok_start; };
unknown's avatar
unknown committed
4176 4177

remember_end:
unknown's avatar
unknown committed
4178
	{ $$=(char*) Lex->tok_end; };
unknown's avatar
unknown committed
4179 4180 4181

select_item2:
	table_wild	{ $$=$1; } /* table.* */
unknown's avatar
unknown committed
4182
	| expr		{ $$=$1; };
unknown's avatar
unknown committed
4183 4184

select_alias:
4185
	/* empty */		{ $$=null_lex_str;}
unknown's avatar
unknown committed
4186 4187 4188 4189 4190
	| AS ident		{ $$=$2; }
	| AS TEXT_STRING_sys	{ $$=$2; }
	| ident			{ $$=$1; }
	| TEXT_STRING_sys	{ $$=$1; }
	;
unknown's avatar
unknown committed
4191 4192 4193

optional_braces:
	/* empty */ {}
unknown's avatar
unknown committed
4194
	| '(' ')' {};
unknown's avatar
unknown committed
4195

unknown's avatar
unknown committed
4196
/* all possible expressions */
unknown's avatar
SCRUM  
unknown committed
4197
expr:	
unknown's avatar
unknown committed
4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219
	  bool_term { Select->expr_list.push_front(new List<Item>); }
          bool_or_expr
          {
            List<Item> *list= Select->expr_list.pop();
            if (list->elements)
            {
              list->push_front($1);
              $$= new Item_cond_or(*list);
              /* optimize construction of logical OR to reduce
                 amount of objects for complex expressions */
            }
            else
              $$= $1;
            delete list;
          }
	;

bool_or_expr:
	/* empty */
        | bool_or_expr or bool_term
          { Select->expr_list.head()->push_back($3); }
        ;
4220 4221

bool_term:
unknown's avatar
unknown committed
4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244
	bool_term XOR bool_term { $$= new Item_cond_xor($1,$3); }
	| bool_factor { Select->expr_list.push_front(new List<Item>); }
          bool_and_expr
          {
            List<Item> *list= Select->expr_list.pop();
            if (list->elements)
            {
              list->push_front($1);
              $$= new Item_cond_and(*list);
              /* optimize construction of logical AND to reduce
                 amount of objects for complex expressions */
            }
            else
              $$= $1;
            delete list;
          }
	;

bool_and_expr:
	/* empty */
        | bool_and_expr and bool_factor
          { Select->expr_list.head()->push_back($3); }
        ;
4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261

bool_factor:
	NOT_SYM bool_factor	{ $$= negate_expression(YYTHD, $2); }
	| bool_test ;

bool_test:
	bool_pri IS TRUE_SYM	{ $$= is_truth_value($1,1,0); }
	| bool_pri IS not TRUE_SYM { $$= is_truth_value($1,0,0); }
	| bool_pri IS FALSE_SYM	{ $$= is_truth_value($1,0,1); }
	| bool_pri IS not FALSE_SYM { $$= is_truth_value($1,1,1); }
	| bool_pri IS UNKNOWN_SYM { $$= new Item_func_isnull($1); }
	| bool_pri IS not UNKNOWN_SYM { $$= new Item_func_isnotnull($1); }
	| bool_pri ;

bool_pri:
	bool_pri IS NULL_SYM	{ $$= new Item_func_isnull($1); }
	| bool_pri IS not NULL_SYM { $$= new Item_func_isnotnull($1); }
4262 4263 4264 4265 4266
	| bool_pri EQUAL_SYM predicate	{ $$= new Item_func_equal($1,$3); }
	| bool_pri comp_op predicate %prec EQ
	  { $$= (*$2)(0)->create($1,$3); }
	| bool_pri comp_op all_or_any in_subselect %prec EQ
	  { $$= all_any_subquery_creator($1, $2, $3, $4); }
4267 4268 4269 4270
	| predicate ;

predicate:
	 bit_expr IN_SYM '(' expr_list ')'
unknown's avatar
unknown committed
4271 4272 4273 4274 4275 4276 4277 4278 4279
	  { 
            if ($4->elements == 1)
              $$= new Item_func_eq($1, $4->head());
            else
            {
              $4->push_front($1);
              $$= new Item_func_in(*$4);
            }
          }
4280
	| bit_expr not IN_SYM '(' expr_list ')'
unknown's avatar
unknown committed
4281 4282 4283 4284 4285 4286
          {
            if ($5->elements == 1)
              $$= new Item_func_ne($1, $5->head());
            else
            {
              $5->push_front($1);
4287 4288 4289
              Item_func_in *item = new Item_func_in(*$5);
              item->negate();
              $$= item;
unknown's avatar
unknown committed
4290 4291
            }            
          }
4292 4293 4294
        | bit_expr IN_SYM in_subselect
	  { $$= new Item_in_subselect($1, $3); }
	| bit_expr not IN_SYM in_subselect
4295
          { $$= negate_expression(YYTHD, new Item_in_subselect($1, $4)); }
4296 4297 4298
	| bit_expr BETWEEN_SYM bit_expr AND_SYM predicate
	  { $$= new Item_func_between($1,$3,$5); }
	| bit_expr not BETWEEN_SYM bit_expr AND_SYM predicate
4299 4300 4301 4302 4303
    {
      Item_func_between *item= new Item_func_between($1,$4,$6);
      item->negate();
      $$= item;
    }
4304 4305 4306 4307
	| bit_expr SOUNDS_SYM LIKE bit_expr
	  { $$= new Item_func_eq(new Item_func_soundex($1),
				 new Item_func_soundex($4)); }
	| bit_expr LIKE simple_expr opt_escape
4308
          { $$= new Item_func_like($1,$3,$4,Lex->escape_used); }
4309
	| bit_expr not LIKE simple_expr opt_escape
4310
          { $$= new Item_func_not(new Item_func_like($1,$4,$5, Lex->escape_used)); }
4311 4312
	| bit_expr REGEXP bit_expr	{ $$= new Item_func_regex($1,$3); }
	| bit_expr not REGEXP bit_expr
4313
          { $$= negate_expression(YYTHD, new Item_func_regex($1,$4)); }
4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355
	| bit_expr ;

bit_expr:
	bit_expr '|' bit_term	{ $$= new Item_func_bit_or($1,$3); }
	| bit_term ;

bit_term:
	bit_term '&' bit_factor	{ $$= new Item_func_bit_and($1,$3); }
	| bit_factor ;

bit_factor:
	bit_factor SHIFT_LEFT value_expr
	  { $$= new Item_func_shift_left($1,$3); }
	| bit_factor SHIFT_RIGHT value_expr 
	  { $$= new Item_func_shift_right($1,$3); }
	| value_expr ;

value_expr:
	value_expr '+' term	{ $$= new Item_func_plus($1,$3); }
	| value_expr '-' term	{ $$= new Item_func_minus($1,$3); }
	| value_expr '+' interval_expr interval
	  { $$= new Item_date_add_interval($1,$3,$4,0); }
	| value_expr '-' interval_expr interval
	  { $$= new Item_date_add_interval($1,$3,$4,1); }
	| term ;

term:
	term '*' factor		{ $$= new Item_func_mul($1,$3); }
	| term '/' factor	{ $$= new Item_func_div($1,$3); }
	| term '%' factor	{ $$= new Item_func_mod($1,$3); }
	| term DIV_SYM factor	{ $$= new Item_func_int_div($1,$3); }
	| term MOD_SYM factor	{ $$= new Item_func_mod($1,$3); }
	| factor ;

factor:
        factor '^' simple_expr	{ $$= new Item_func_bit_xor($1,$3); }
	| simple_expr ;

or:	OR_SYM | OR2_SYM;
and:	AND_SYM | AND_AND_SYM;
not:	NOT_SYM | NOT2_SYM;
not2:	'!' | NOT2_SYM;
unknown's avatar
unknown committed
4356

unknown's avatar
unknown committed
4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368
comp_op:  EQ		{ $$ = &comp_eq_creator; }
	| GE		{ $$ = &comp_ge_creator; }
	| GT_SYM	{ $$ = &comp_gt_creator; }
	| LE		{ $$ = &comp_le_creator; }
	| LT		{ $$ = &comp_lt_creator; }
	| NE		{ $$ = &comp_ne_creator; }
	;

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

4369
interval_expr:
unknown's avatar
unknown committed
4370
         INTERVAL_SYM expr { $$=$2; }
4371 4372
        ;

unknown's avatar
unknown committed
4373 4374
simple_expr:
	simple_ident
4375
 	| simple_expr COLLATE_SYM ident_or_text %prec NEG
unknown's avatar
unknown committed
4376
	  {
unknown's avatar
unknown committed
4377 4378 4379
	    $$= new Item_func_set_collation($1,
					    new Item_string($3.str,
							    $3.length,
4380
                                                            YYTHD->charset()));
4381
	  }
unknown's avatar
unknown committed
4382
	| literal
unknown's avatar
unknown committed
4383
	| param_marker
unknown's avatar
unknown committed
4384
	| '@' ident_or_text SET_VAR expr
unknown's avatar
unknown committed
4385 4386
	  {
	    $$= new Item_func_set_user_var($2,$4);
4387 4388 4389
	    LEX *lex= Lex;
	    lex->uncacheable(UNCACHEABLE_RAND);
	    lex->variables_used= 1;
unknown's avatar
unknown committed
4390
	  }
4391
	| '@' ident_or_text
unknown's avatar
unknown committed
4392 4393
	  {
	    $$= new Item_func_get_user_var($2);
4394 4395 4396
	    LEX *lex= Lex;
	    lex->uncacheable(UNCACHEABLE_RAND);
	    lex->variables_used= 1;
unknown's avatar
unknown committed
4397
	  }
4398
	| '@' '@' opt_var_ident_type ident_or_text opt_component
unknown's avatar
unknown committed
4399
	  {
4400 4401 4402 4403 4404 4405

            if ($4.str && $5.str && check_reserved_words(&$4))
            {
              yyerror(ER(ER_SYNTAX_ERROR));
              YYABORT;
            }
4406
	    if (!($$= get_system_var(YYTHD, $3, $4, $5)))
unknown's avatar
unknown committed
4407
	      YYABORT;
4408
	    Lex->variables_used= 1;
unknown's avatar
unknown committed
4409
	  }
unknown's avatar
unknown committed
4410
	| sum_expr
4411 4412 4413 4414 4415 4416
	| simple_expr OR_OR_SYM simple_expr
	  { $$= new Item_func_concat($1, $3); }
	| '+' simple_expr %prec NEG	{ $$= $2; }
	| '-' simple_expr %prec NEG	{ $$= new Item_func_neg($2); }
	| '~' simple_expr %prec NEG	{ $$= new Item_func_bit_neg($2); }
	| not2 simple_expr %prec NEG	{ $$= negate_expression(YYTHD, $2); }
unknown's avatar
unknown committed
4417
	| '(' expr ')'		{ $$= $2; }
4418 4419 4420 4421 4422
	| '(' expr ',' expr_list ')'
	  {
	    $4->push_front($2);
	    $$= new Item_row(*$4);
	  }
4423
	| ROW_SYM '(' expr ',' expr_list ')'
unknown's avatar
unknown committed
4424
	  {
4425 4426
	    $5->push_front($3);
	    $$= new Item_row(*$5);
unknown's avatar
unknown committed
4427
	  }
unknown's avatar
unknown committed
4428
	| EXISTS exists_subselect { $$= $2; }
unknown's avatar
unknown committed
4429
	| singlerow_subselect   { $$= $1; }
unknown's avatar
unknown committed
4430
	| '{' ident expr '}'	{ $$= $3; }
4431
        | MATCH ident_list_arg AGAINST '(' bit_expr fulltext_options ')'
4432
          { $2->push_front($5);
4433 4434
            Select->add_ftfunc_to_list((Item_func_match*)
                                        ($$=new Item_func_match(*$2,$6))); }
unknown's avatar
unknown committed
4435
	| ASCII_SYM '(' expr ')' { $$= new Item_func_ascii($3); }
4436
	| BINARY simple_expr %prec NEG
unknown's avatar
unknown committed
4437
	  {
unknown's avatar
unknown committed
4438
            $$= create_func_cast($2, ITEM_CAST_CHAR, -1, 0, &my_charset_bin);
unknown's avatar
unknown committed
4439
	  }
4440
	| CAST_SYM '(' expr AS cast_type ')'
4441
	  {
unknown's avatar
unknown committed
4442
            LEX *lex= Lex;
4443
	    $$= create_func_cast($3, $5,
unknown's avatar
unknown committed
4444 4445 4446
                                 lex->length ? atoi(lex->length) : -1,
                                 lex->dec ? atoi(lex->dec) : 0,
                                 lex->charset);
4447
	  }
unknown's avatar
unknown committed
4448
	| CASE_SYM opt_expr WHEN_SYM when_list opt_else END
4449
	  { $$= new Item_func_case(* $4, $2, $5 ); }
4450
	| CONVERT_SYM '(' expr ',' cast_type ')'
4451 4452 4453
	  {
	    $$= create_func_cast($3, $5,
				 Lex->length ? atoi(Lex->length) : -1,
unknown's avatar
unknown committed
4454
                                 Lex->dec ? atoi(Lex->dec) : 0,
4455 4456
				 Lex->charset);
	  }
4457 4458
	| CONVERT_SYM '(' expr USING charset_name ')'
	  { $$= new Item_func_conv_charset($3,$5); }
unknown's avatar
SCRUM  
unknown committed
4459
	| DEFAULT '(' simple_ident ')'
4460 4461 4462 4463 4464
	  {
	    if ($3->is_splocal())
	    {
	      Item_splocal *il= static_cast<Item_splocal *>($3);

4465
	      my_error(ER_WRONG_COLUMN_NAME, MYF(0), il->my_name()->str);
4466 4467
	      YYABORT;
	    }
unknown's avatar
unknown committed
4468
	    $$= new Item_default_value(Lex->current_context(), $3);
4469
	  }
4470
	| VALUES '(' simple_ident_nospvar ')'
unknown's avatar
unknown committed
4471
	  { $$= new Item_insert_value(Lex->current_context(), $3); }
unknown's avatar
unknown committed
4472
	| FUNC_ARG0 '(' ')'
unknown's avatar
unknown committed
4473 4474 4475
	  {
	    if (!$1.symbol->create_func)
	    {
4476 4477 4478
              my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4479 4480 4481 4482
	      YYABORT;
	    }
	    $$= ((Item*(*)(void))($1.symbol->create_func))();
	  }
unknown's avatar
unknown committed
4483
	| FUNC_ARG1 '(' expr ')'
unknown's avatar
unknown committed
4484 4485 4486
	  {
	    if (!$1.symbol->create_func)
	    {
4487 4488 4489
              my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4490 4491 4492 4493
	      YYABORT;
	    }
	    $$= ((Item*(*)(Item*))($1.symbol->create_func))($3);
	  }
unknown's avatar
unknown committed
4494
	| FUNC_ARG2 '(' expr ',' expr ')'
unknown's avatar
unknown committed
4495 4496 4497
	  {
	    if (!$1.symbol->create_func)
	    {
4498 4499 4500
	      my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4501 4502 4503 4504
	      YYABORT;
	    }
	    $$= ((Item*(*)(Item*,Item*))($1.symbol->create_func))($3,$5);
	  }
unknown's avatar
unknown committed
4505
	| FUNC_ARG3 '(' expr ',' expr ',' expr ')'
unknown's avatar
unknown committed
4506 4507 4508
	  {
	    if (!$1.symbol->create_func)
	    {
4509 4510 4511
              my_error(ER_FEATURE_DISABLED, MYF(0),
                       $1.symbol->group->name,
                       $1.symbol->group->needed_define);
unknown's avatar
unknown committed
4512 4513 4514 4515
	      YYABORT;
	    }
	    $$= ((Item*(*)(Item*,Item*,Item*))($1.symbol->create_func))($3,$5,$7);
	  }
unknown's avatar
unknown committed
4516 4517 4518 4519
	| ADDDATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 0);}
	| ADDDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
	  { $$= new Item_date_add_interval($3, $6, $7, 0); }
4520 4521
	| REPEAT_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_repeat($3,$5); }
unknown's avatar
unknown committed
4522 4523 4524 4525 4526 4527
	| ATAN	'(' expr ')'
	  { $$= new Item_func_atan($3); }
	| ATAN	'(' expr ',' expr ')'
	  { $$= new Item_func_atan($3,$5); }
	| CHAR_SYM '(' expr_list ')'
	  { $$= new Item_func_char(*$3); }
4528 4529
	| CHAR_SYM '(' expr_list USING charset_name ')'
	  { $$= new Item_func_char(*$3, $5); }
unknown's avatar
unknown committed
4530 4531
	| CHARSET '(' expr ')'
	  { $$= new Item_func_charset($3); }
unknown's avatar
unknown committed
4532 4533
	| COALESCE '(' expr_list ')'
	  { $$= new Item_func_coalesce(* $3); }
unknown's avatar
unknown committed
4534 4535
	| COLLATION_SYM '(' expr ')'
	  { $$= new Item_func_collation($3); }
unknown's avatar
unknown committed
4536 4537 4538
	| CONCAT '(' expr_list ')'
	  { $$= new Item_func_concat(* $3); }
	| CONCAT_WS '(' expr ',' expr_list ')'
4539
	  { $5->push_front($3); $$= new Item_func_concat_ws(*$5); }
4540 4541
	| CONVERT_TZ_SYM '(' expr ',' expr ',' expr ')'
	  {
4542 4543
            if (Lex->add_time_zone_tables_to_query_tables(YYTHD))
              YYABORT;
4544 4545
	    $$= new Item_func_convert_tz($3, $5, $7);
	  }
unknown's avatar
unknown committed
4546
	| CURDATE optional_braces
4547
	  { $$= new Item_func_curdate_local(); Lex->safe_to_cache_query=0; }
unknown's avatar
unknown committed
4548
	| CURTIME optional_braces
4549
	  { $$= new Item_func_curtime_local(); Lex->safe_to_cache_query=0; }
unknown's avatar
unknown committed
4550
	| CURTIME '(' expr ')'
4551
	  {
4552
	    $$= new Item_func_curtime_local($3);
4553
	    Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4554
	  }
unknown's avatar
unknown committed
4555
	| CURRENT_USER optional_braces
4556
          { $$= create_func_current_user(); }
4557 4558 4559 4560
	| DATE_ADD_INTERVAL '(' expr ',' interval_expr interval ')'
	  { $$= new Item_date_add_interval($3,$5,$6,0); }
	| DATE_SUB_INTERVAL '(' expr ',' interval_expr interval ')'
	  { $$= new Item_date_add_interval($3,$5,$6,1); }
unknown's avatar
unknown committed
4561
	| DATABASE '(' ')'
4562
	  {
unknown's avatar
unknown committed
4563
	    $$= new Item_func_database();
4564
            Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4565
	  }
unknown's avatar
unknown committed
4566
	| DATE_SYM '(' expr ')'
unknown's avatar
unknown committed
4567
	  { $$= new Item_date_typecast($3); }
unknown's avatar
unknown committed
4568 4569
	| DAY_SYM '(' expr ')'
	  { $$= new Item_func_dayofmonth($3); }
unknown's avatar
unknown committed
4570
	| ELT_FUNC '(' expr ',' expr_list ')'
4571
	  { $5->push_front($3); $$= new Item_func_elt(*$5); }
unknown's avatar
unknown committed
4572 4573
	| MAKE_SET_SYM '(' expr ',' expr_list ')'
	  { $$= new Item_func_make_set($3, *$5); }
unknown's avatar
unknown committed
4574 4575 4576
	| ENCRYPT '(' expr ')'
	  {
	    $$= new Item_func_encrypt($3);
4577
	    Lex->uncacheable(UNCACHEABLE_RAND);
unknown's avatar
unknown committed
4578
	  }
unknown's avatar
unknown committed
4579
	| ENCRYPT '(' expr ',' expr ')'   { $$= new Item_func_encrypt($3,$5); }
4580
	| DECODE_SYM '(' expr ',' TEXT_STRING_literal ')'
unknown's avatar
unknown committed
4581
	  { $$= new Item_func_decode($3,$5.str); }
4582
	| ENCODE_SYM '(' expr ',' TEXT_STRING_literal ')'
unknown's avatar
unknown committed
4583
	 { $$= new Item_func_encode($3,$5.str); }
unknown's avatar
unknown committed
4584
	| DES_DECRYPT_SYM '(' expr ')'
unknown's avatar
unknown committed
4585
        { $$= new Item_func_des_decrypt($3); }
unknown's avatar
unknown committed
4586
	| DES_DECRYPT_SYM '(' expr ',' expr ')'
unknown's avatar
unknown committed
4587
        { $$= new Item_func_des_decrypt($3,$5); }
unknown's avatar
unknown committed
4588
	| DES_ENCRYPT_SYM '(' expr ')'
unknown's avatar
unknown committed
4589
        { $$= new Item_func_des_encrypt($3); }
unknown's avatar
unknown committed
4590
	| DES_ENCRYPT_SYM '(' expr ',' expr ')'
unknown's avatar
unknown committed
4591
        { $$= new Item_func_des_encrypt($3,$5); }
unknown's avatar
unknown committed
4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603
	| 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 ')'
	  { $$= new Item_func_from_unixtime($3); }
	| FROM_UNIXTIME '(' expr ',' expr ')'
	  {
unknown's avatar
unknown committed
4604
	    $$= new Item_func_date_format (new Item_func_from_unixtime($3),$5,0);
unknown's avatar
unknown committed
4605 4606
	  }
	| FIELD_FUNC '(' expr ',' expr_list ')'
4607
	  { $5->push_front($3); $$= new Item_func_field(*$5); }
unknown's avatar
unknown committed
4608 4609 4610 4611 4612
	| geometry_function
	  {
#ifdef HAVE_SPATIAL
	    $$= $1;
#else
4613 4614
	    my_error(ER_FEATURE_DISABLED, MYF(0),
                     sym_group_geom.name, sym_group_geom.needed_define);
unknown's avatar
unknown committed
4615 4616 4617
	    YYABORT;
#endif
	  }
4618
	| GET_FORMAT '(' date_time_type  ',' expr ')'
4619
	  { $$= new Item_func_get_format($3, $5); }
unknown's avatar
unknown committed
4620 4621 4622 4623 4624 4625
	| HOUR_SYM '(' expr ')'
	  { $$= 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); }
4626
	| interval_expr interval '+' expr
unknown's avatar
unknown committed
4627
	  /* we cannot put interval before - */
4628 4629 4630 4631 4632
	  { $$= new Item_date_add_interval($4,$1,$2,0); }
	| interval_expr
	  {
            if ($1->type() != Item::ROW_ITEM)
            {
4633
              yyerror(ER(ER_SYNTAX_ERROR));
4634 4635 4636 4637
              YYABORT;
            }
            $$= new Item_func_interval((Item_row *)$1);
          }
unknown's avatar
unknown committed
4638 4639
	| LAST_INSERT_ID '(' ')'
	  {
4640
	    $$= new Item_func_last_insert_id();
4641
	    Lex->safe_to_cache_query= 0;
unknown's avatar
unknown committed
4642 4643 4644
	  }
	| LAST_INSERT_ID '(' expr ')'
	  {
4645
	    $$= new Item_func_last_insert_id($3);
4646
	    Lex->safe_to_cache_query= 0;
unknown's avatar
unknown committed
4647 4648 4649 4650 4651 4652 4653
	  }
	| LEFT '(' expr ',' expr ')'
	  { $$= new Item_func_left($3,$5); }
	| LOCATE '(' expr ',' expr ')'
	  { $$= new Item_func_locate($5,$3); }
	| LOCATE '(' expr ',' expr ',' expr ')'
	  { $$= new Item_func_locate($5,$3,$7); }
unknown's avatar
unknown committed
4654
	| GREATEST_SYM '(' expr ',' expr_list ')'
unknown's avatar
unknown committed
4655 4656 4657
	  { $5->push_front($3); $$= new Item_func_max(*$5); }
	| LEAST_SYM '(' expr ',' expr_list ')'
	  { $5->push_front($3); $$= new Item_func_min(*$5); }
4658
	| LOG_SYM '(' expr ')'
unknown's avatar
unknown committed
4659
	  { $$= new Item_func_log($3); }
4660
	| LOG_SYM '(' expr ',' expr ')'
unknown's avatar
unknown committed
4661
	  { $$= new Item_func_log($3, $5); }
4662
	| MASTER_POS_WAIT '(' expr ',' expr ')'
unknown's avatar
unknown committed
4663
	  {
4664
	    $$= new Item_master_pos_wait($3, $5);
unknown's avatar
unknown committed
4665
	    Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4666
		  }
4667
	| MASTER_POS_WAIT '(' expr ',' expr ',' expr ')'
unknown's avatar
unknown committed
4668
	  {
4669
	    $$= new Item_master_pos_wait($3, $5, $7);
unknown's avatar
unknown committed
4670
	    Lex->safe_to_cache_query=0;
4671
	  }
unknown's avatar
unknown committed
4672 4673
	| MICROSECOND_SYM '(' expr ')'
	  { $$= new Item_func_microsecond($3); }
unknown's avatar
unknown committed
4674 4675
	| MINUTE_SYM '(' expr ')'
	  { $$= new Item_func_minute($3); }
4676 4677
	| MOD_SYM '(' expr ',' expr ')'
	  { $$ = new Item_func_mod( $3, $5); }
unknown's avatar
unknown committed
4678 4679 4680
	| MONTH_SYM '(' expr ')'
	  { $$= new Item_func_month($3); }
	| NOW_SYM optional_braces
4681
	  { $$= new Item_func_now_local(); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4682
	| NOW_SYM '(' expr ')'
4683
	  { $$= new Item_func_now_local($3); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4684
	| PASSWORD '(' expr ')'
4685
	  {
4686 4687
	    $$= YYTHD->variables.old_passwords ?
              (Item *) new Item_func_old_password($3) :
unknown's avatar
unknown committed
4688 4689 4690 4691
	      (Item *) new Item_func_password($3);
	  }
	| OLD_PASSWORD '(' expr ')'
	  { $$=  new Item_func_old_password($3); }
4692
	| POSITION_SYM '(' bit_expr IN_SYM expr ')'
unknown's avatar
unknown committed
4693
	  { $$ = new Item_func_locate($5,$3); }
4694 4695
	| QUARTER_SYM '(' expr ')'
	  { $$ = new Item_func_quarter($3); }
unknown's avatar
unknown committed
4696
	| RAND '(' expr ')'
4697
	  { $$= new Item_func_rand($3); Lex->uncacheable(UNCACHEABLE_RAND);}
unknown's avatar
unknown committed
4698
	| RAND '(' ')'
4699
	  { $$= new Item_func_rand(); Lex->uncacheable(UNCACHEABLE_RAND);}
unknown's avatar
unknown committed
4700 4701 4702 4703 4704 4705 4706
	| REPLACE '(' expr ',' expr ',' expr ')'
	  { $$= 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 ')' { $$= new Item_func_round($3,$5,0); }
4707 4708 4709 4710 4711
	| ROW_COUNT_SYM '(' ')'
	  {
	    $$= new Item_func_row_count();
	    Lex->safe_to_cache_query= 0;
	  }
unknown's avatar
unknown committed
4712 4713 4714 4715
	| SUBDATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 1);}
	| SUBDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
	  { $$= new Item_date_add_interval($3, $6, $7, 1); }
unknown's avatar
unknown committed
4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727
	| 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); }
4728 4729 4730 4731
	| SYSDATE optional_braces
	  { $$= new Item_func_sysdate_local(); Lex->safe_to_cache_query=0;}
	| SYSDATE '(' expr ')'
	  { $$= new Item_func_sysdate_local($3); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4732
	| TIME_SYM '(' expr ')'
unknown's avatar
unknown committed
4733 4734 4735
	  { $$= new Item_time_typecast($3); }
	| TIMESTAMP '(' expr ')'
	  { $$= new Item_datetime_typecast($3); }
unknown's avatar
unknown committed
4736
	| TIMESTAMP '(' expr ',' expr ')'
unknown's avatar
unknown committed
4737
	  { $$= new Item_func_add_time($3, $5, 1, 0); }
4738 4739 4740 4741
	| TIMESTAMP_ADD '(' interval_time_st ',' expr ',' expr ')'
	  { $$= new Item_date_add_interval($7,$5,$3,0); }
	| TIMESTAMP_DIFF '(' interval_time_st ',' expr ',' expr ')'
	  { $$= new Item_func_timestamp_diff($5,$7,$3); }
unknown's avatar
unknown committed
4742
	| TRIM '(' expr ')'
4743 4744
	  { $$= new Item_func_trim($3); }
	| TRIM '(' LEADING expr FROM expr ')'
unknown's avatar
unknown committed
4745
	  { $$= new Item_func_ltrim($6,$4); }
4746
	| TRIM '(' TRAILING expr FROM expr ')'
unknown's avatar
unknown committed
4747
	  { $$= new Item_func_rtrim($6,$4); }
4748
	| TRIM '(' BOTH expr FROM expr ')'
unknown's avatar
unknown committed
4749
	  { $$= new Item_func_trim($6,$4); }
4750 4751 4752 4753 4754 4755
	| TRIM '(' LEADING FROM expr ')'
	 { $$= new Item_func_ltrim($5); }
	| TRIM '(' TRAILING FROM expr ')'
	  { $$= new Item_func_rtrim($5); }
	| TRIM '(' BOTH FROM expr ')'
	  { $$= new Item_func_trim($5); }
unknown's avatar
unknown committed
4756 4757
	| TRIM '(' expr FROM expr ')'
	  { $$= new Item_func_trim($5,$3); }
4758 4759
	| TRUNCATE_SYM '(' expr ',' expr ')'
	  { $$= new Item_func_round($3,$5,1); }
4760
	| ident '.' ident '(' udf_expr_list ')'
unknown's avatar
unknown committed
4761
	  {
4762
	    LEX *lex= Lex;
4763 4764 4765
	    sp_name *name= new sp_name($1, $3);

	    name->init_qname(YYTHD);
4766
	    sp_add_used_routine(lex, YYTHD, name, TYPE_ENUM_FUNCTION);
4767
	    if ($5)
unknown's avatar
unknown committed
4768
	      $$= new Item_func_sp(Lex->current_context(), name, *$5);
unknown's avatar
unknown committed
4769
	    else
unknown's avatar
unknown committed
4770
	      $$= new Item_func_sp(Lex->current_context(), name);
4771
	    lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4772
	  }
4773
	| IDENT_sys '(' 
4774 4775
          {
#ifdef HAVE_DLOPEN
4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794
            udf_func *udf= 0;
            if (using_udf_functions &&
                (udf= find_udf($1.str, $1.length)) &&
                udf->type == UDFTYPE_AGGREGATE)
            {
              LEX *lex= Lex;
              if (lex->current_select->inc_in_sum_expr())
              {
                yyerror(ER(ER_SYNTAX_ERROR));
                YYABORT;
              }
            }
            $<udf>$= udf;
#endif
          }
          udf_expr_list ')'
          {
#ifdef HAVE_DLOPEN
            udf_func *udf= $<udf>3;
4795
            SELECT_LEX *sel= Select;
4796

4797
            if (udf)
4798
            {
4799 4800 4801
              if (udf->type == UDFTYPE_AGGREGATE)
                Select->in_sum_expr--;

4802 4803 4804 4805
              switch (udf->returns) {
              case STRING_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4806 4807
                  if ($4 != NULL)
                    $$ = new Item_func_udf_str(udf, *$4);
4808 4809 4810 4811 4812
                  else
                    $$ = new Item_func_udf_str(udf);
                }
                else
                {
4813 4814
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_str(udf, *$4);
4815 4816 4817 4818 4819 4820 4821
                  else
                    $$ = new Item_sum_udf_str(udf);
                }
                break;
              case REAL_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4822 4823
                  if ($4 != NULL)
                    $$ = new Item_func_udf_float(udf, *$4);
4824 4825 4826 4827 4828
                  else
                    $$ = new Item_func_udf_float(udf);
                }
                else
                {
4829 4830
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_float(udf, *$4);
4831 4832 4833 4834 4835 4836 4837
                  else
                    $$ = new Item_sum_udf_float(udf);
                }
                break;
              case INT_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4838 4839
                  if ($4 != NULL)
                    $$ = new Item_func_udf_int(udf, *$4);
4840 4841 4842 4843 4844
                  else
                    $$ = new Item_func_udf_int(udf);
                }
                else
                {
4845 4846
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_int(udf, *$4);
4847 4848 4849 4850
                  else
                    $$ = new Item_sum_udf_int(udf);
                }
                break;
unknown's avatar
unknown committed
4851 4852 4853
              case DECIMAL_RESULT:
                if (udf->type == UDFTYPE_FUNCTION)
                {
4854 4855
                  if ($4 != NULL)
                    $$ = new Item_func_udf_decimal(udf, *$4);
unknown's avatar
unknown committed
4856 4857 4858 4859 4860
                  else
                    $$ = new Item_func_udf_decimal(udf);
                }
                else
                {
4861 4862
                  if ($4 != NULL)
                    $$ = new Item_sum_udf_decimal(udf, *$4);
unknown's avatar
unknown committed
4863 4864 4865 4866
                  else
                    $$ = new Item_sum_udf_decimal(udf);
                }
                break;
4867 4868 4869 4870 4871 4872 4873
              default:
                YYABORT;
              }
            }
            else
#endif /* HAVE_DLOPEN */
            {
4874
	      LEX *lex= Lex;
4875 4876
              sp_name *name= sp_name_current_db_new(YYTHD, $1);

4877
              sp_add_used_routine(lex, YYTHD, name, TYPE_ENUM_FUNCTION);
4878 4879
              if ($4)
                $$= new Item_func_sp(Lex->current_context(), name, *$4);
4880
              else
unknown's avatar
unknown committed
4881
                $$= new Item_func_sp(Lex->current_context(), name);
4882
	      lex->safe_to_cache_query=0;
4883 4884
	    }
          }
unknown's avatar
unknown committed
4885
	| UNIQUE_USERS '(' text_literal ',' NUM ',' NUM ',' expr_list ')'
4886
	  {
unknown's avatar
unknown committed
4887 4888
            $$= new Item_func_unique_users($3,atoi($5.str),atoi($7.str), * $9);
	  }
unknown's avatar
unknown committed
4889
	| UNIX_TIMESTAMP '(' ')'
unknown's avatar
unknown committed
4890 4891
	  {
	    $$= new Item_func_unix_timestamp();
4892
	    Lex->safe_to_cache_query=0;
unknown's avatar
unknown committed
4893
	  }
unknown's avatar
unknown committed
4894 4895 4896
	| UNIX_TIMESTAMP '(' expr ')'
	  { $$= new Item_func_unix_timestamp($3); }
	| USER '(' ')'
4897
	  { $$= new Item_func_user(FALSE); Lex->safe_to_cache_query=0; }
4898 4899 4900 4901 4902 4903
	| UTC_DATE_SYM optional_braces
	  { $$= new Item_func_curdate_utc(); Lex->safe_to_cache_query=0;}
	| UTC_TIME_SYM optional_braces
	  { $$= new Item_func_curtime_utc(); Lex->safe_to_cache_query=0;}
	| UTC_TIMESTAMP_SYM optional_braces
	  { $$= new Item_func_now_utc(); Lex->safe_to_cache_query=0;}
unknown's avatar
unknown committed
4904
	| WEEK_SYM '(' expr ')'
unknown's avatar
unknown committed
4905
	  {
4906
            $$= new Item_func_week($3,new Item_int((char*) "0",
unknown's avatar
unknown committed
4907
				   YYTHD->variables.default_week_format,1));
4908
          }
unknown's avatar
unknown committed
4909 4910 4911 4912 4913 4914 4915 4916
	| 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); }
unknown's avatar
unknown committed
4917
	| BENCHMARK_SYM '(' ulong_num ',' expr ')'
4918
	  {
unknown's avatar
unknown committed
4919
	    $$=new Item_func_benchmark($3,$5);
4920
	    Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
unknown's avatar
unknown committed
4921
	  }
unknown's avatar
unknown committed
4922
	| EXTRACT_SYM '(' interval FROM expr ')'
unknown's avatar
unknown committed
4923
	{ $$=new Item_extract( $3, $5); };
unknown's avatar
unknown committed
4924

unknown's avatar
unknown committed
4925
geometry_function:
unknown's avatar
unknown committed
4926 4927 4928
	  CONTAINS_SYM '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_spatial_rel($3, $5, Item_func::SP_CONTAINS_FUNC)); }
	| GEOMFROMTEXT '(' expr ')'
unknown's avatar
unknown committed
4929 4930 4931 4932 4933 4934 4935 4936 4937
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| GEOMFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| GEOMFROMWKB '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_wkb($3)); }
	| GEOMFROMWKB '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_wkb($3, $5)); }
	| GEOMETRYCOLLECTION '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4938 4939
                           Geometry::wkb_geometrycollection,
                           Geometry::wkb_point)); }
unknown's avatar
unknown committed
4940 4941
	| LINESTRING '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4942
                  Geometry::wkb_linestring, Geometry::wkb_point)); }
unknown's avatar
unknown committed
4943 4944
 	| MULTILINESTRING '(' expr_list ')'
	  { $$= GEOM_NEW( Item_func_spatial_collection(* $3,
4945
                   Geometry::wkb_multilinestring, Geometry::wkb_linestring)); }
unknown's avatar
unknown committed
4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959
 	| MLINEFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| MLINEFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| MPOINTFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| MPOINTFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| MPOLYFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| MPOLYFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| MULTIPOINT '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4960
                  Geometry::wkb_multipoint, Geometry::wkb_point)); }
unknown's avatar
unknown committed
4961 4962
 	| MULTIPOLYGON '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4963
                  Geometry::wkb_multipolygon, Geometry::wkb_polygon)); }
unknown's avatar
unknown committed
4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975
	| POINT_SYM '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_point($3,$5)); }
 	| POINTFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| POINTFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| POLYFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| POLYFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	| POLYGON '(' expr_list ')'
	  { $$= GEOM_NEW(Item_func_spatial_collection(* $3,
4976
	          Geometry::wkb_polygon, Geometry::wkb_linestring)); }
unknown's avatar
unknown committed
4977 4978 4979 4980 4981 4982 4983 4984 4985 4986
 	| GEOMCOLLFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| GEOMCOLLFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
 	| LINEFROMTEXT '(' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3)); }
	| LINEFROMTEXT '(' expr ',' expr ')'
	  { $$= GEOM_NEW(Item_func_geometry_from_text($3, $5)); }
	;

4987 4988 4989 4990 4991 4992
fulltext_options:
        /* nothing */                   { $$= FT_NL;  }
        | WITH QUERY_SYM EXPANSION_SYM  { $$= FT_NL | FT_EXPAND; }
        | IN_SYM BOOLEAN_SYM MODE_SYM   { $$= FT_BOOL; }
        ;

unknown's avatar
unknown committed
4993
udf_expr_list:
4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018
	/* empty */	 { $$= NULL; }
	| udf_expr_list2 { $$= $1;}
	;

udf_expr_list2:
	{ Select->expr_list.push_front(new List<Item>); }
	udf_expr_list3
	{ $$= Select->expr_list.pop(); }
	;

udf_expr_list3:
	udf_expr 
	  {
	    Select->expr_list.head()->push_back($1);
	  }
	| udf_expr_list3 ',' udf_expr 
	  {
	    Select->expr_list.head()->push_back($3);
	  }
	;

udf_expr:
	remember_name expr remember_end select_alias
	{
	  if ($4.str)
5019 5020 5021 5022
          {
	    $2->set_name($4.str, $4.length, system_charset_info);
            $2->is_autogenerated_name= FALSE;
          }
5023
	  else
5024
	    $2->set_name($1, (uint) ($3 - $1), YYTHD->charset());
5025 5026 5027
	  $$= $2;
	}
	;
unknown's avatar
unknown committed
5028 5029 5030 5031

sum_expr:
	AVG_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_avg($3); }
5032 5033
	| AVG_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_avg_distinct($4); }
unknown's avatar
unknown committed
5034 5035 5036 5037
	| BIT_AND  '(' in_sum_expr ')'
	  { $$=new Item_sum_and($3); }
	| BIT_OR  '(' in_sum_expr ')'
	  { $$=new Item_sum_or($3); }
5038 5039
	| BIT_XOR  '(' in_sum_expr ')'
	  { $$=new Item_sum_xor($3); }
unknown's avatar
unknown committed
5040
	| COUNT_SYM '(' opt_all '*' ')'
unknown's avatar
unknown committed
5041 5042 5043
	  { $$=new Item_sum_count(new Item_int((int32) 0L,1)); }
	| COUNT_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_count($3); }
5044
	| COUNT_SYM '(' DISTINCT
unknown's avatar
unknown committed
5045
	  { Select->in_sum_expr++; }
5046
	   expr_list
unknown's avatar
unknown committed
5047
	  { Select->in_sum_expr--; }
5048 5049
	  ')'
	  { $$=new Item_sum_count_distinct(* $5); }
unknown's avatar
unknown committed
5050 5051 5052 5053
	| 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); }
5054 5055 5056 5057 5058 5059 5060
/*
   According to ANSI SQL, DISTINCT is allowed and has
   no sence inside MIN and MAX grouping functions; so MIN|MAX(DISTINCT ...)
   is processed like an ordinary MIN | MAX()
 */
	| MIN_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_min($4); }
unknown's avatar
unknown committed
5061 5062
	| MAX_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_max($3); }
5063 5064
	| MAX_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_max($4); }
unknown's avatar
unknown committed
5065
	| STD_SYM '(' in_sum_expr ')'
5066
	  { $$=new Item_sum_std($3, 0); }
unknown's avatar
unknown committed
5067
	| VARIANCE_SYM '(' in_sum_expr ')'
5068 5069 5070 5071 5072
	  { $$=new Item_sum_variance($3, 0); }
	| STDDEV_SAMP_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_std($3, 1); }
	| VAR_SAMP_SYM '(' in_sum_expr ')'
	  { $$=new Item_sum_variance($3, 1); }
unknown's avatar
unknown committed
5073
	| SUM_SYM '(' in_sum_expr ')'
5074
	  { $$=new Item_sum_sum($3); }
5075 5076
	| SUM_SYM '(' DISTINCT in_sum_expr ')'
	  { $$=new Item_sum_sum_distinct($4); }
unknown's avatar
unknown committed
5077 5078 5079 5080 5081
	| GROUP_CONCAT_SYM '(' opt_distinct
	  { Select->in_sum_expr++; }
	  expr_list opt_gorder_clause
	  opt_gconcat_separator
	 ')'
unknown's avatar
unknown committed
5082
	  {
5083 5084
            SELECT_LEX *sel= Select;
	    sel->in_sum_expr--;
unknown's avatar
unknown committed
5085
	    $$=new Item_func_group_concat(Lex->current_context(), $3, $5,
5086
                                          sel->gorder_list, $7);
unknown's avatar
unknown committed
5087
	    $5->empty();
5088 5089 5090 5091 5092 5093 5094
	  };

opt_distinct:
    /* empty */ { $$ = 0; }
    |DISTINCT   { $$ = 1; };

opt_gconcat_separator:
unknown's avatar
unknown committed
5095
    /* empty */        { $$ = new (YYTHD->mem_root) String(",",1,default_charset_info); }
5096
    |SEPARATOR_SYM text_string  { $$ = $2; };
unknown's avatar
unknown committed
5097

5098 5099

opt_gorder_clause:
5100 5101
	  /* empty */
	  {
unknown's avatar
unknown committed
5102
            Select->gorder_list = NULL;
5103 5104 5105
	  }
	| order_clause
          {
unknown's avatar
unknown committed
5106 5107 5108
            SELECT_LEX *select= Select;
            select->gorder_list=
	      (SQL_LIST*) sql_memdup((char*) &select->order_list,
5109
				     sizeof(st_sql_list));
unknown's avatar
unknown committed
5110
	    select->order_list.empty();
5111
	  };
unknown's avatar
unknown committed
5112

unknown's avatar
unknown committed
5113 5114

in_sum_expr:
unknown's avatar
unknown committed
5115
	opt_all
5116 5117 5118 5119
	{
	  LEX *lex= Lex;
	  if (lex->current_select->inc_in_sum_expr())
	  {
5120
	    yyerror(ER(ER_SYNTAX_ERROR));
5121
	    YYABORT;
5122 5123
	  }
	}
unknown's avatar
unknown committed
5124 5125
	expr
	{
unknown's avatar
unknown committed
5126
	  Select->in_sum_expr--;
5127
	  $$= $3;
unknown's avatar
unknown committed
5128
	};
unknown's avatar
unknown committed
5129

5130
cast_type:
unknown's avatar
unknown committed
5131 5132
        BINARY opt_len		{ $$=ITEM_CAST_CHAR; Lex->charset= &my_charset_bin; Lex->dec= 0; }
        | CHAR_SYM opt_len opt_binary	{ $$=ITEM_CAST_CHAR; Lex->dec= 0; }
5133
	| NCHAR_SYM opt_len	{ $$=ITEM_CAST_CHAR; Lex->charset= national_charset_info; Lex->dec=0; }
unknown's avatar
unknown committed
5134 5135 5136 5137 5138 5139 5140 5141
        | SIGNED_SYM		{ $$=ITEM_CAST_SIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | SIGNED_SYM INT_SYM	{ $$=ITEM_CAST_SIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | UNSIGNED		{ $$=ITEM_CAST_UNSIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | UNSIGNED INT_SYM	{ $$=ITEM_CAST_UNSIGNED_INT; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DATE_SYM		{ $$=ITEM_CAST_DATE; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | TIME_SYM		{ $$=ITEM_CAST_TIME; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DATETIME		{ $$=ITEM_CAST_DATETIME; Lex->charset= NULL; Lex->dec=Lex->length= (char*)0; }
        | DECIMAL_SYM float_options { $$=ITEM_CAST_DECIMAL; Lex->charset= NULL; }
5142 5143
	;

unknown's avatar
unknown committed
5144
expr_list:
5145
	{ Select->expr_list.push_front(new List<Item>); }
unknown's avatar
unknown committed
5146
	expr_list2
unknown's avatar
unknown committed
5147
	{ $$= Select->expr_list.pop(); };
unknown's avatar
unknown committed
5148 5149

expr_list2:
5150
	expr { Select->expr_list.head()->push_back($1); }
unknown's avatar
unknown committed
5151
	| expr_list2 ',' expr { Select->expr_list.head()->push_back($3); };
unknown's avatar
unknown committed
5152

unknown's avatar
unknown committed
5153 5154
ident_list_arg:
          ident_list          { $$= $1; }
unknown's avatar
unknown committed
5155
        | '(' ident_list ')'  { $$= $2; };
unknown's avatar
unknown committed
5156

unknown's avatar
unknown committed
5157
ident_list:
5158
        { Select->expr_list.push_front(new List<Item>); }
unknown's avatar
unknown committed
5159
        ident_list2
unknown's avatar
unknown committed
5160
        { $$= Select->expr_list.pop(); };
unknown's avatar
unknown committed
5161 5162

ident_list2:
5163
        simple_ident { Select->expr_list.head()->push_back($1); }
unknown's avatar
unknown committed
5164
        | ident_list2 ',' simple_ident { Select->expr_list.head()->push_back($3); };
unknown's avatar
unknown committed
5165 5166 5167

opt_expr:
	/* empty */      { $$= NULL; }
5168
	| expr           { $$= $1; };
unknown's avatar
unknown committed
5169 5170 5171

opt_else:
	/* empty */    { $$= NULL; }
unknown's avatar
unknown committed
5172
	| ELSE expr    { $$= $2; };
unknown's avatar
unknown committed
5173 5174

when_list:
unknown's avatar
unknown committed
5175
        { Select->when_list.push_front(new List<Item>); }
unknown's avatar
unknown committed
5176
	when_list2
unknown's avatar
unknown committed
5177
	{ $$= Select->when_list.pop(); };
unknown's avatar
unknown committed
5178 5179

when_list2:
unknown's avatar
unknown committed
5180
	expr THEN_SYM expr
unknown's avatar
unknown committed
5181
	  {
unknown's avatar
unknown committed
5182
	    SELECT_LEX *sel=Select;
unknown's avatar
unknown committed
5183 5184
	    sel->when_list.head()->push_back($1);
	    sel->when_list.head()->push_back($3);
unknown's avatar
unknown committed
5185
	}
unknown's avatar
unknown committed
5186
	| when_list2 WHEN_SYM expr THEN_SYM expr
unknown's avatar
unknown committed
5187
	  {
unknown's avatar
unknown committed
5188
	    SELECT_LEX *sel=Select;
unknown's avatar
unknown committed
5189 5190
	    sel->when_list.head()->push_back($3);
	    sel->when_list.head()->push_back($5);
unknown's avatar
unknown committed
5191
	  };
unknown's avatar
unknown committed
5192

unknown's avatar
unknown committed
5193
/* Warning - may return NULL in case of incomplete SELECT */
5194 5195 5196
table_ref:
        table_factor            { $$=$1; }
        | join_table            { $$=$1; }
5197
          {
5198 5199 5200
	    LEX *lex= Lex;
            if (!($$= lex->current_select->nest_last_join(lex->thd)))
              YYABORT;
5201
          }
5202 5203
        ;

unknown's avatar
unknown committed
5204
join_table_list:
unknown's avatar
unknown committed
5205
	derived_table_list		{ YYERROR_UNLESS($$=$1); }
unknown's avatar
unknown committed
5206
	;
unknown's avatar
unknown committed
5207

unknown's avatar
unknown committed
5208 5209
/* Warning - may return NULL in case of incomplete SELECT */
derived_table_list:
5210
        table_ref { $$=$1; }
unknown's avatar
unknown committed
5211 5212
        | derived_table_list ',' table_ref
          {
unknown's avatar
unknown committed
5213
            YYERROR_UNLESS($1 && ($$=$3));
unknown's avatar
unknown committed
5214
          }
5215 5216
        ;

5217 5218 5219 5220 5221 5222 5223
/*
  Notice that JOIN is a left-associative operation, and it must be parsed
  as such, that is, the parser must process first the left join operand
  then the right one. Such order of processing ensures that the parser
  produces correct join trees which is essential for semantic analysis
  and subsequent optimization phases.
*/
5224
join_table:
5225
/* INNER JOIN variants */
unknown's avatar
unknown committed
5226
        /*
5227 5228 5229
          Use %prec to evaluate production 'table_ref' before 'normal_join'
          so that [INNER | CROSS] JOIN is properly nested as other
          left-associative joins.
unknown's avatar
unknown committed
5230 5231
        */
        table_ref %prec TABLE_REF_PRIORITY normal_join table_ref
5232
          { YYERROR_UNLESS($1 && ($$=$3)); }
unknown's avatar
unknown committed
5233
	| table_ref STRAIGHT_JOIN table_factor
unknown's avatar
unknown committed
5234
	  { YYERROR_UNLESS($1 && ($$=$3)); $3->straight=1; }
unknown's avatar
unknown committed
5235 5236 5237 5238 5239
	| table_ref normal_join table_ref
          ON
          {
            YYERROR_UNLESS($1 && ($$=$3));
            /* Change the current name resolution context to a local context. */
5240
            if (push_new_name_resolution_context(YYTHD, $1, $3))
unknown's avatar
unknown committed
5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252
              YYABORT;
          }
          expr
	  {
            add_join_on($3,$6);
            Lex->pop_context();
          }
        | table_ref STRAIGHT_JOIN table_factor
          ON
          {
            YYERROR_UNLESS($1 && ($$=$3));
            /* Change the current name resolution context to a local context. */
5253
            if (push_new_name_resolution_context(YYTHD, $1, $3))
unknown's avatar
unknown committed
5254 5255 5256 5257 5258 5259 5260 5261
              YYABORT;
          }
          expr
          {
            $3->straight=1;
            add_join_on($3,$6);
            Lex->pop_context();
          }
5262
	| table_ref normal_join table_ref
unknown's avatar
unknown committed
5263
	  USING
unknown's avatar
unknown committed
5264
	  {
unknown's avatar
unknown committed
5265
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5266
            YYERROR_UNLESS($1 && $3);
unknown's avatar
unknown committed
5267
	  }
unknown's avatar
unknown committed
5268
	  '(' using_list ')'
unknown's avatar
unknown committed
5269
          { add_join_natural($1,$3,$7); $$=$3; }
5270 5271 5272 5273 5274 5275 5276
	| table_ref NATURAL JOIN_SYM table_factor
	  {
            YYERROR_UNLESS($1 && ($$=$4));
            add_join_natural($1,$4,NULL);
          }

/* LEFT JOIN variants */
unknown's avatar
unknown committed
5277 5278 5279
	| table_ref LEFT opt_outer JOIN_SYM table_ref
          ON
          {
5280
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5281
            /* Change the current name resolution context to a local context. */
5282
            if (push_new_name_resolution_context(YYTHD, $1, $5))
unknown's avatar
unknown committed
5283 5284 5285 5286 5287 5288 5289 5290 5291
              YYABORT;
          }
          expr
	  {
            add_join_on($5,$8);
            Lex->pop_context();
            $5->outer_join|=JOIN_TYPE_LEFT;
            $$=$5;
          }
5292
	| table_ref LEFT opt_outer JOIN_SYM table_factor
unknown's avatar
unknown committed
5293
	  {
unknown's avatar
unknown committed
5294
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5295
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5296
	  }
unknown's avatar
unknown committed
5297
	  USING '(' using_list ')'
unknown's avatar
unknown committed
5298
          { add_join_natural($1,$5,$9); $5->outer_join|=JOIN_TYPE_LEFT; $$=$5; }
5299
	| table_ref NATURAL LEFT opt_outer JOIN_SYM table_factor
5300
	  {
unknown's avatar
unknown committed
5301
            YYERROR_UNLESS($1 && $6);
unknown's avatar
unknown committed
5302
 	    add_join_natural($1,$6,NULL);
5303
	    $6->outer_join|=JOIN_TYPE_LEFT;
5304 5305
	    $$=$6;
	  }
5306 5307

/* RIGHT JOIN variants */
unknown's avatar
unknown committed
5308 5309 5310
	| table_ref RIGHT opt_outer JOIN_SYM table_ref
          ON
          {
5311
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5312
            /* Change the current name resolution context to a local context. */
5313
            if (push_new_name_resolution_context(YYTHD, $1, $5))
unknown's avatar
unknown committed
5314 5315 5316
              YYABORT;
          }
          expr
unknown's avatar
unknown committed
5317
          {
5318 5319 5320
	    LEX *lex= Lex;
            if (!($$= lex->current_select->convert_right_join()))
              YYABORT;
unknown's avatar
unknown committed
5321 5322
            add_join_on($$, $8);
            Lex->pop_context();
5323 5324
          }
	| table_ref RIGHT opt_outer JOIN_SYM table_factor
unknown's avatar
unknown committed
5325
	  {
unknown's avatar
unknown committed
5326
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5327
            YYERROR_UNLESS($1 && $5);
unknown's avatar
unknown committed
5328
	  }
5329
	  USING '(' using_list ')'
unknown's avatar
unknown committed
5330
          {
5331 5332 5333
	    LEX *lex= Lex;
            if (!($$= lex->current_select->convert_right_join()))
              YYABORT;
unknown's avatar
unknown committed
5334
            add_join_natural($$,$5,$9);
5335 5336
          }
	| table_ref NATURAL RIGHT opt_outer JOIN_SYM table_factor
5337
	  {
unknown's avatar
unknown committed
5338
            YYERROR_UNLESS($1 && $6);
unknown's avatar
unknown committed
5339
	    add_join_natural($6,$1,NULL);
5340 5341 5342
	    LEX *lex= Lex;
            if (!($$= lex->current_select->convert_right_join()))
              YYABORT;
5343
	  };
unknown's avatar
unknown committed
5344 5345

normal_join:
unknown's avatar
unknown committed
5346 5347 5348 5349
	JOIN_SYM		{}
	| INNER_SYM JOIN_SYM	{}
	| CROSS JOIN_SYM	{}
	;
unknown's avatar
unknown committed
5350

unknown's avatar
unknown committed
5351
/* Warning - may return NULL in case of incomplete SELECT */
5352
table_factor:
unknown's avatar
unknown committed
5353
	{
unknown's avatar
unknown committed
5354
	  SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5355
	  sel->use_index_ptr=sel->ignore_index_ptr=0;
unknown's avatar
unknown committed
5356
	  sel->table_join_options= 0;
unknown's avatar
unknown committed
5357
	}
unknown's avatar
unknown committed
5358
        table_ident opt_table_alias opt_key_definition
unknown's avatar
unknown committed
5359
	{
unknown's avatar
unknown committed
5360
	  LEX *lex= Lex;
unknown's avatar
unknown committed
5361
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
5362
	  if (!($$= sel->add_table_to_list(lex->thd, $2, $3,
unknown's avatar
unknown committed
5363
					   sel->get_table_join_options(),
unknown's avatar
unknown committed
5364
					   lex->lock_option,
5365 5366
					   sel->get_use_index(),
					   sel->get_ignore_index())))
5367
	    YYABORT;
5368
          sel->add_joined_table($$);
unknown's avatar
unknown committed
5369
	}
unknown's avatar
unknown committed
5370 5371 5372 5373
	| '{' ident table_ref LEFT OUTER JOIN_SYM table_ref
          ON
          {
            /* Change the current name resolution context to a local context. */
5374
            if (push_new_name_resolution_context(YYTHD, $3, $7))
unknown's avatar
unknown committed
5375
              YYABORT;
5376

unknown's avatar
unknown committed
5377 5378 5379 5380 5381 5382 5383 5384 5385
          }
          expr '}'
	  {
            YYERROR_UNLESS($3 && $7);
            add_join_on($7,$10);
            Lex->pop_context();
            $7->outer_join|=JOIN_TYPE_LEFT;
            $$=$7;
          }
unknown's avatar
unknown committed
5386
	| select_derived_init get_select_lex select_derived2
5387
          {
5388
            LEX *lex= Lex;
unknown's avatar
unknown committed
5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402
            SELECT_LEX *sel= lex->current_select;
            if ($1)
            {
	      if (sel->set_braces(1))
	      {
	        yyerror(ER(ER_SYNTAX_ERROR));
	        YYABORT;
	      }
              /* select in braces, can't contain global parameters */
	      if (sel->master_unit()->fake_select_lex)
                sel->master_unit()->global_parameters=
                   sel->master_unit()->fake_select_lex;
            }
            if ($2->init_nested_join(lex->thd))
unknown's avatar
unknown committed
5403
              YYABORT;
unknown's avatar
unknown committed
5404
            $$= 0;
unknown's avatar
unknown committed
5405
            /* incomplete derived tables return NULL, we must be
unknown's avatar
unknown committed
5406
               nested in select_derived rule to be here. */
5407
          }
unknown's avatar
unknown committed
5408 5409 5410 5411 5412
	| '(' get_select_lex select_derived union_opt ')' opt_table_alias
	{
          /* Use $2 instead of Lex->current_select as derived table will
             alter value of Lex->current_select. */

unknown's avatar
unknown committed
5413
          if (!($3 || $6) && $2->embedding &&
unknown's avatar
unknown committed
5414
              !$2->embedding->nested_join->join_list.elements)
5415
          {
unknown's avatar
unknown committed
5416 5417 5418 5419 5420
            /* we have a derived table ($3 == NULL) but no alias,
               Since we are nested in further parentheses so we
               can pass NULL to the outer level parentheses
               Permits parsing of "((((select ...))) as xyz)" */
            $$= 0;
5421
          }
unknown's avatar
unknown committed
5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435
          else
          if (!$3)
          {
            /* Handle case of derived table, alias may be NULL if there
               are no outer parentheses, add_table_to_list() will throw
               error in this case */
	    LEX *lex=Lex;
            SELECT_LEX *sel= lex->current_select;
	    SELECT_LEX_UNIT *unit= sel->master_unit();
	    lex->current_select= sel= unit->outer_select();
	    if (!($$= sel->
                  add_table_to_list(lex->thd, new Table_ident(unit), $6, 0,
				    TL_READ,(List<String> *)0,
	                            (List<String> *)0)))
unknown's avatar
unknown committed
5436

unknown's avatar
unknown committed
5437
	      YYABORT;
unknown's avatar
unknown committed
5438
            sel->add_joined_table($$);
unknown's avatar
unknown committed
5439
            lex->pop_context();
unknown's avatar
unknown committed
5440 5441 5442 5443 5444 5445
          }
	  else
          if ($4 || $6)
	  {
            /* simple nested joins cannot have aliases or unions */
            yyerror(ER(ER_SYNTAX_ERROR));
unknown's avatar
unknown committed
5446
	    YYABORT;
unknown's avatar
unknown committed
5447 5448 5449 5450 5451
	  }
          else
            $$= $3;
	}
        ;
unknown's avatar
unknown committed
5452

unknown's avatar
unknown committed
5453
/* handle contents of parentheses in join expression */
5454
select_derived:
unknown's avatar
unknown committed
5455
	  get_select_lex
unknown's avatar
unknown committed
5456
	  {
unknown's avatar
unknown committed
5457 5458 5459 5460 5461 5462 5463 5464 5465
            LEX *lex= Lex;
            if ($1->init_nested_join(lex->thd))
              YYABORT;
          }
          derived_table_list
          {
            LEX *lex= Lex;
            /* for normal joins, $3 != NULL and end_nested_join() != NULL,
               for derived tables, both must equal NULL */
unknown's avatar
unknown committed
5466

unknown's avatar
unknown committed
5467 5468 5469 5470
            if (!($$= $1->end_nested_join(lex->thd)) && $3)
              YYABORT;
            if (!$3 && $$)
            {
unknown's avatar
unknown committed
5471 5472
	      yyerror(ER(ER_SYNTAX_ERROR));
	      YYABORT;
unknown's avatar
unknown committed
5473 5474
            }
          }
unknown's avatar
unknown committed
5475
 	;
unknown's avatar
unknown committed
5476

unknown's avatar
unknown committed
5477
select_derived2:
unknown's avatar
unknown committed
5478
        {
unknown's avatar
unknown committed
5479
	  LEX *lex= Lex;
5480
	  lex->derived_tables|= DERIVED_SUBQUERY;
unknown's avatar
unknown committed
5481 5482 5483
	  if (((int)lex->sql_command >= (int)SQLCOM_HA_OPEN &&
	       lex->sql_command <= (int)SQLCOM_HA_READ) ||
	       lex->sql_command == (int)SQLCOM_KILL)
5484 5485
	  {
	    yyerror(ER(ER_SYNTAX_ERROR));
5486 5487
	    YYABORT;
	  }
5488
	  if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE ||
unknown's avatar
unknown committed
5489
              mysql_new_select(lex, 1))
unknown's avatar
unknown committed
5490 5491
	    YYABORT;
	  mysql_init_select(lex);
5492
	  lex->current_select->linkage= DERIVED_TABLE_TYPE;
5493
	  lex->current_select->parsing_place= SELECT_LIST;
5494 5495 5496
	}
        select_options select_item_list
	{
5497
	  Select->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
5498
	}
unknown's avatar
unknown committed
5499
	opt_select_from
5500
        ;
unknown's avatar
unknown committed
5501

unknown's avatar
unknown committed
5502 5503 5504 5505 5506 5507 5508 5509
get_select_lex:
	/* Empty */ { $$= Select; }
        ;

select_derived_init:
          SELECT_SYM
          {
            LEX *lex= Lex;
unknown's avatar
unknown committed
5510
            SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524
            TABLE_LIST *embedding;
            if (!sel->embedding || sel->end_nested_join(lex->thd))
	    {
              /* we are not in parentheses */
              yyerror(ER(ER_SYNTAX_ERROR));
	      YYABORT;
	    }
            embedding= Select->embedding;
            $$= embedding &&
                !embedding->nested_join->join_list.elements;
            /* return true if we are deeply nested */
          }
        ;

unknown's avatar
unknown committed
5525 5526
opt_outer:
	/* empty */	{}
unknown's avatar
unknown committed
5527
	| OUTER		{};
unknown's avatar
unknown committed
5528 5529 5530 5531

opt_key_definition:
	/* empty */	{}
	| USE_SYM    key_usage_list
unknown's avatar
unknown committed
5532
          {
unknown's avatar
unknown committed
5533
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5534 5535 5536
	    sel->use_index= *$2;
	    sel->use_index_ptr= &sel->use_index;
	  }
unknown's avatar
unknown committed
5537 5538
	| FORCE_SYM key_usage_list
          {
unknown's avatar
unknown committed
5539
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5540 5541 5542 5543
	    sel->use_index= *$2;
	    sel->use_index_ptr= &sel->use_index;
	    sel->table_join_options|= TL_OPTION_FORCE_INDEX;
	  }
unknown's avatar
unknown committed
5544
	| IGNORE_SYM key_usage_list
unknown's avatar
unknown committed
5545
	  {
unknown's avatar
unknown committed
5546
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5547 5548
	    sel->ignore_index= *$2;
	    sel->ignore_index_ptr= &sel->ignore_index;
unknown's avatar
unknown committed
5549
	  };
unknown's avatar
unknown committed
5550 5551

key_usage_list:
unknown's avatar
unknown committed
5552
	key_or_index { Select->interval_list.empty(); }
unknown's avatar
unknown committed
5553
        '(' key_list_or_empty ')'
unknown's avatar
unknown committed
5554
        { $$= &Select->interval_list; }
unknown's avatar
unknown committed
5555 5556 5557 5558 5559 5560
	;

key_list_or_empty:
	/* empty */ 		{}
	| key_usage_list2	{}
	;
unknown's avatar
unknown committed
5561 5562 5563

key_usage_list2:
	key_usage_list2 ',' ident
unknown's avatar
unknown committed
5564
        { Select->
unknown's avatar
unknown committed
5565
	    interval_list.push_back(new (YYTHD->mem_root) String((const char*) $3.str, $3.length,
5566
				    system_charset_info)); }
unknown's avatar
unknown committed
5567
	| ident
unknown's avatar
unknown committed
5568
        { Select->
unknown's avatar
unknown committed
5569
	    interval_list.push_back(new (YYTHD->mem_root) String((const char*) $1.str, $1.length,
5570
				    system_charset_info)); }
unknown's avatar
unknown committed
5571
	| PRIMARY_SYM
unknown's avatar
unknown committed
5572
        { Select->
unknown's avatar
unknown committed
5573
	    interval_list.push_back(new (YYTHD->mem_root) String("PRIMARY", 7,
5574
				    system_charset_info)); };
unknown's avatar
unknown committed
5575 5576 5577

using_list:
	ident
unknown's avatar
unknown committed
5578
	  {
unknown's avatar
unknown committed
5579
            if (!($$= new List<String>))
unknown's avatar
unknown committed
5580
	      YYABORT;
unknown's avatar
unknown committed
5581 5582 5583
            $$->push_back(new (YYTHD->mem_root)
                              String((const char *) $1.str, $1.length,
                                      system_charset_info));
unknown's avatar
unknown committed
5584 5585 5586
	  }
	| using_list ',' ident
	  {
unknown's avatar
unknown committed
5587 5588 5589 5590
            $1->push_back(new (YYTHD->mem_root)
                              String((const char *) $3.str, $3.length,
                                      system_charset_info));
            $$= $1;
unknown's avatar
unknown committed
5591
	  };
unknown's avatar
unknown committed
5592 5593

interval:
5594 5595
	interval_time_st	{}
	| DAY_HOUR_SYM		{ $$=INTERVAL_DAY_HOUR; }
unknown's avatar
unknown committed
5596
	| DAY_MICROSECOND_SYM	{ $$=INTERVAL_DAY_MICROSECOND; }
unknown's avatar
unknown committed
5597 5598
	| DAY_MINUTE_SYM	{ $$=INTERVAL_DAY_MINUTE; }
	| DAY_SECOND_SYM	{ $$=INTERVAL_DAY_SECOND; }
unknown's avatar
unknown committed
5599
	| HOUR_MICROSECOND_SYM	{ $$=INTERVAL_HOUR_MICROSECOND; }
unknown's avatar
unknown committed
5600 5601
	| HOUR_MINUTE_SYM	{ $$=INTERVAL_HOUR_MINUTE; }
	| HOUR_SECOND_SYM	{ $$=INTERVAL_HOUR_SECOND; }
unknown's avatar
unknown committed
5602 5603
	| MICROSECOND_SYM	{ $$=INTERVAL_MICROSECOND; }
	| MINUTE_MICROSECOND_SYM	{ $$=INTERVAL_MINUTE_MICROSECOND; }
unknown's avatar
unknown committed
5604
	| MINUTE_SECOND_SYM	{ $$=INTERVAL_MINUTE_SECOND; }
5605 5606 5607 5608 5609 5610 5611 5612
	| SECOND_MICROSECOND_SYM	{ $$=INTERVAL_SECOND_MICROSECOND; }
	| YEAR_MONTH_SYM	{ $$=INTERVAL_YEAR_MONTH; };

interval_time_st:
	DAY_SYM			{ $$=INTERVAL_DAY; }
	| WEEK_SYM		{ $$=INTERVAL_WEEK; }
	| HOUR_SYM		{ $$=INTERVAL_HOUR; }
	| FRAC_SECOND_SYM	{ $$=INTERVAL_MICROSECOND; }
unknown's avatar
unknown committed
5613 5614
	| MINUTE_SYM		{ $$=INTERVAL_MINUTE; }
	| MONTH_SYM		{ $$=INTERVAL_MONTH; }
5615
	| QUARTER_SYM		{ $$=INTERVAL_QUARTER; }
unknown's avatar
unknown committed
5616
	| SECOND_SYM		{ $$=INTERVAL_SECOND; }
5617 5618
	| YEAR_SYM		{ $$=INTERVAL_YEAR; }
        ;
unknown's avatar
unknown committed
5619

5620
date_time_type:
5621 5622 5623 5624 5625
          DATE_SYM              {$$=MYSQL_TIMESTAMP_DATE;}
        | TIME_SYM              {$$=MYSQL_TIMESTAMP_TIME;}
        | DATETIME              {$$=MYSQL_TIMESTAMP_DATETIME;}
        | TIMESTAMP             {$$=MYSQL_TIMESTAMP_DATETIME;}
        ;
5626

unknown's avatar
unknown committed
5627 5628 5629
table_alias:
	/* empty */
	| AS
unknown's avatar
unknown committed
5630
	| EQ;
unknown's avatar
unknown committed
5631 5632 5633 5634

opt_table_alias:
	/* empty */		{ $$=0; }
	| table_alias ident
unknown's avatar
unknown committed
5635
	  { $$= (LEX_STRING*) sql_memdup(&$2,sizeof(LEX_STRING)); };
unknown's avatar
unknown committed
5636

unknown's avatar
unknown committed
5637 5638 5639 5640
opt_all:
	/* empty */
	| ALL
	;
unknown's avatar
unknown committed
5641 5642

where_clause:
unknown's avatar
unknown committed
5643
	/* empty */  { Select->where= 0; }
unknown's avatar
unknown committed
5644 5645 5646 5647 5648
	| WHERE
          {
            Select->parsing_place= IN_WHERE;
          }
          expr
5649
	  {
unknown's avatar
unknown committed
5650 5651 5652 5653 5654
            SELECT_LEX *select= Select;
	    select->where= $3;
            select->parsing_place= NO_MATTER;
	    if ($3)
	      $3->top_level_item();
5655
	  }
unknown's avatar
unknown committed
5656
 	;
unknown's avatar
unknown committed
5657 5658 5659

having_clause:
	/* empty */
unknown's avatar
unknown committed
5660 5661
	| HAVING
	  {
5662
	    Select->parsing_place= IN_HAVING;
unknown's avatar
unknown committed
5663 5664
          }
	  expr
unknown's avatar
unknown committed
5665
	  {
unknown's avatar
unknown committed
5666
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5667
	    sel->having= $3;
5668
	    sel->parsing_place= NO_MATTER;
unknown's avatar
unknown committed
5669 5670 5671
	    if ($3)
	      $3->top_level_item();
	  }
5672
	;
unknown's avatar
unknown committed
5673 5674

opt_escape:
5675 5676 5677 5678 5679
	ESCAPE_SYM simple_expr 
          {
            Lex->escape_used= TRUE;
            $$= $2;
          }
5680
	| /* empty */
5681
          {
5682
            Lex->escape_used= FALSE;
5683 5684 5685
            $$= ((YYTHD->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES) ?
		 new Item_string("", 0, &my_charset_latin1) :
                 new Item_string("\\", 1, &my_charset_latin1));
5686 5687
          }
        ;
unknown's avatar
unknown committed
5688 5689 5690


/*
unknown's avatar
unknown committed
5691
   group by statement in select
unknown's avatar
unknown committed
5692 5693 5694 5695
*/

group_clause:
	/* empty */
5696
	| GROUP BY group_list olap_opt;
unknown's avatar
unknown committed
5697 5698

group_list:
unknown's avatar
unknown committed
5699
	group_list ',' order_ident order_dir
unknown's avatar
unknown committed
5700
	  { if (add_group_to_list(YYTHD, $3,(bool) $4)) YYABORT; }
unknown's avatar
unknown committed
5701
	| order_ident order_dir
unknown's avatar
unknown committed
5702
	  { if (add_group_to_list(YYTHD, $1,(bool) $2)) YYABORT; };
unknown's avatar
unknown committed
5703

5704 5705
olap_opt:
	/* empty */ {}
5706
	| WITH CUBE_SYM
5707
          {
5708
	    LEX *lex=Lex;
5709 5710
	    if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
	    {
unknown's avatar
unknown committed
5711
	      my_error(ER_WRONG_USAGE, MYF(0), "WITH CUBE",
5712 5713 5714
		       "global union parameters");
	      YYABORT;
	    }
unknown's avatar
unknown committed
5715
	    lex->current_select->olap= CUBE_TYPE;
unknown's avatar
unknown committed
5716
	    my_error(ER_NOT_SUPPORTED_YET, MYF(0), "CUBE");
5717
	    YYABORT;	/* To be deleted in 5.1 */
5718
	  }
5719
	| WITH ROLLUP_SYM
5720
          {
5721 5722 5723
	    LEX *lex= Lex;
	    if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
	    {
unknown's avatar
unknown committed
5724
	      my_error(ER_WRONG_USAGE, MYF(0), "WITH ROLLUP",
5725 5726 5727
		       "global union parameters");
	      YYABORT;
	    }
unknown's avatar
unknown committed
5728
	    lex->current_select->olap= ROLLUP_TYPE;
5729
	  }
5730
	;
5731

unknown's avatar
unknown committed
5732
/*
unknown's avatar
unknown committed
5733
   Order by statement in select
unknown's avatar
unknown committed
5734 5735
*/

5736
opt_order_clause:
unknown's avatar
unknown committed
5737
	/* empty */
unknown's avatar
unknown committed
5738
	| order_clause;
5739 5740

order_clause:
5741 5742
	ORDER_SYM BY
        {
unknown's avatar
unknown committed
5743
	  LEX *lex=Lex;
5744
	  if (lex->current_select->linkage != GLOBAL_OPTIONS_TYPE &&
unknown's avatar
unknown committed
5745
	      lex->current_select->olap !=
5746
	      UNSPECIFIED_OLAP_TYPE)
5747
	  {
unknown's avatar
unknown committed
5748 5749
	    my_error(ER_WRONG_USAGE, MYF(0),
                     "CUBE/ROLLUP", "ORDER BY");
5750 5751
	    YYABORT;
	  }
unknown's avatar
unknown committed
5752
	} order_list;
unknown's avatar
unknown committed
5753 5754 5755

order_list:
	order_list ',' order_ident order_dir
unknown's avatar
unknown committed
5756
	  { if (add_order_to_list(YYTHD, $3,(bool) $4)) YYABORT; }
unknown's avatar
unknown committed
5757
	| order_ident order_dir
unknown's avatar
unknown committed
5758
	  { if (add_order_to_list(YYTHD, $1,(bool) $2)) YYABORT; };
unknown's avatar
unknown committed
5759 5760 5761

order_dir:
	/* empty */ { $$ =  1; }
unknown's avatar
unknown committed
5762
	| ASC  { $$ =1; }
unknown's avatar
unknown committed
5763
	| DESC { $$ =0; };
unknown's avatar
unknown committed
5764 5765


5766 5767 5768
opt_limit_clause_init:
	/* empty */
	{
5769 5770
	  LEX *lex= Lex;
	  SELECT_LEX *sel= lex->current_select;
5771 5772
          sel->offset_limit= 0;
          sel->select_limit= 0;
5773
	}
5774 5775 5776
	| limit_clause {}
	;

5777 5778 5779 5780 5781
opt_limit_clause:
	/* empty */	{}
	| limit_clause	{}
	;

5782
limit_clause:
5783
	LIMIT limit_options {}
unknown's avatar
unknown committed
5784
	;
unknown's avatar
unknown committed
5785 5786

limit_options:
5787
	limit_option
unknown's avatar
unknown committed
5788
	  {
unknown's avatar
unknown committed
5789
            SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5790
            sel->select_limit= $1;
5791
            sel->offset_limit= 0;
5792
	    sel->explicit_limit= 1;
unknown's avatar
unknown committed
5793
	  }
5794
	| limit_option ',' limit_option
unknown's avatar
unknown committed
5795
	  {
unknown's avatar
unknown committed
5796
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5797 5798
	    sel->select_limit= $3;
	    sel->offset_limit= $1;
5799
	    sel->explicit_limit= 1;
unknown's avatar
unknown committed
5800
	  }
5801
	| limit_option OFFSET_SYM limit_option
unknown's avatar
unknown committed
5802
	  {
unknown's avatar
unknown committed
5803
	    SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
5804 5805
	    sel->select_limit= $1;
	    sel->offset_limit= $3;
5806
	    sel->explicit_limit= 1;
unknown's avatar
unknown committed
5807 5808
	  }
	;
5809 5810 5811 5812 5813
limit_option:
        param_marker
        | ULONGLONG_NUM { $$= new Item_uint($1.str, $1.length); }
        | LONG_NUM     { $$= new Item_uint($1.str, $1.length); }
        | NUM           { $$= new Item_uint($1.str, $1.length); }
unknown's avatar
unknown committed
5814
        ;
unknown's avatar
unknown committed
5815 5816 5817 5818

delete_limit_clause:
	/* empty */
	{
unknown's avatar
unknown committed
5819
	  LEX *lex=Lex;
5820
	  lex->current_select->select_limit= 0;
unknown's avatar
unknown committed
5821
	}
5822
	| LIMIT limit_option
5823 5824
	{
	  SELECT_LEX *sel= Select;
5825
	  sel->select_limit= $2;
5826 5827
	  sel->explicit_limit= 1;
	};
unknown's avatar
unknown committed
5828

unknown's avatar
unknown committed
5829 5830
ulong_num:
          NUM           { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
5831
	| HEX_NUM       { $$= (ulong) strtol($1.str, (char**) 0, 16); }
unknown's avatar
unknown committed
5832 5833
	| LONG_NUM      { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
	| ULONGLONG_NUM { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5834
        | DECIMAL_NUM   { int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5835 5836
	| FLOAT_NUM	{ int error; $$= (ulong) my_strtoll10($1.str, (char**) 0, &error); }
	;
unknown's avatar
unknown committed
5837

unknown's avatar
unknown committed
5838
ulonglong_num:
unknown's avatar
unknown committed
5839 5840 5841
	NUM	    { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
	| ULONGLONG_NUM { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
	| LONG_NUM  { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5842
        | DECIMAL_NUM  { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
unknown's avatar
unknown committed
5843 5844
	| FLOAT_NUM { int error; $$= (ulonglong) my_strtoll10($1.str, (char**) 0, &error); }
	;
unknown's avatar
unknown committed
5845 5846 5847 5848 5849 5850

procedure_clause:
	/* empty */
	| PROCEDURE ident			/* Procedure name */
	  {
	    LEX *lex=Lex;
5851 5852
	    if (&lex->select_lex != lex->current_select)
	    {
unknown's avatar
unknown committed
5853
	      my_error(ER_WRONG_USAGE, MYF(0), "PROCEDURE", "subquery");
5854 5855
	      YYABORT;
	    }
unknown's avatar
unknown committed
5856 5857 5858
	    lex->proc_list.elements=0;
	    lex->proc_list.first=0;
	    lex->proc_list.next= (byte**) &lex->proc_list.first;
5859 5860 5861 5862
	    if (add_proc_to_list(lex->thd, new Item_field(&lex->
                                                          current_select->
                                                          context,
                                                          NULL,NULL,$2.str)))
unknown's avatar
unknown committed
5863
	      YYABORT;
5864
	    Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
unknown's avatar
unknown committed
5865
	  }
unknown's avatar
unknown committed
5866
	  '(' procedure_list ')';
unknown's avatar
unknown committed
5867 5868 5869 5870


procedure_list:
	/* empty */ {}
unknown's avatar
unknown committed
5871
	| procedure_list2 {};
unknown's avatar
unknown committed
5872 5873 5874

procedure_list2:
	procedure_list2 ',' procedure_item
unknown's avatar
unknown committed
5875
	| procedure_item;
unknown's avatar
unknown committed
5876 5877 5878 5879

procedure_item:
	  remember_name expr
	  {
unknown's avatar
unknown committed
5880 5881
	    LEX *lex= Lex;
	    if (add_proc_to_list(lex->thd, $2))
unknown's avatar
unknown committed
5882 5883
	      YYABORT;
	    if (!$2->name)
5884 5885
	      $2->set_name($1,(uint) ((char*) lex->tok_end - $1),
                           YYTHD->charset());
5886 5887 5888 5889 5890 5891
	  }
          ;


select_var_list_init:
	   {
unknown's avatar
unknown committed
5892 5893
             LEX *lex=Lex;
	     if (!lex->describe && (!(lex->result= new select_dumpvar())))
5894 5895
	        YYABORT;
	   }
5896
	   select_var_list
5897
	   {}
5898
           ;
unknown's avatar
unknown committed
5899

unknown's avatar
unknown committed
5900
select_var_list:
5901 5902 5903 5904
	   select_var_list ',' select_var_ident
	   | select_var_ident {}
           ;

5905 5906 5907 5908 5909 5910 5911 5912 5913 5914
select_var_ident:  
	   '@' ident_or_text
           {
             LEX *lex=Lex;
	     if (lex->result) 
	       ((select_dumpvar *)lex->result)->var_list.push_back( new my_var($2,0,0,(enum_field_types)0));
	     else
	       YYABORT;
	   }
           | ident_or_text
unknown's avatar
unknown committed
5915
           {
5916
             LEX *lex=Lex;
5917 5918 5919 5920
	     sp_pvar_t *t;

	     if (!lex->spcont || !(t=lex->spcont->find_pvar(&$1)))
	     {
5921
	       my_error(ER_SP_UNDECLARED_VAR, MYF(0), $1.str);
unknown's avatar
unknown committed
5922
	       YYABORT;
5923 5924 5925 5926 5927
	     }
	     if (! lex->result)
	       YYABORT;
	     else
	     {
5928 5929 5930
               my_var *var;
	       ((select_dumpvar *)lex->result)->
                 var_list.push_back(var= new my_var($1,1,t->offset,t->type));
unknown's avatar
unknown committed
5931
#ifndef DBUG_OFF
5932
	       if (var)
5933
		 var->sp= lex->sphead;
5934
#endif
5935
	     }
unknown's avatar
unknown committed
5936
	   }
unknown's avatar
unknown committed
5937
           ;
unknown's avatar
unknown committed
5938

5939
into:
unknown's avatar
unknown committed
5940
        INTO OUTFILE TEXT_STRING_filesystem
unknown's avatar
unknown committed
5941
	{
unknown's avatar
unknown committed
5942
          LEX *lex= Lex;
5943 5944 5945 5946
          lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
          if (!(lex->exchange= new sql_exchange($3.str, 0)) ||
              !(lex->result= new select_export(lex->exchange)))
            YYABORT;
unknown's avatar
unknown committed
5947 5948
	}
	opt_field_term opt_line_term
unknown's avatar
unknown committed
5949
	| INTO DUMPFILE TEXT_STRING_filesystem
unknown's avatar
unknown committed
5950
	{
5951
	  LEX *lex=Lex;
unknown's avatar
unknown committed
5952 5953
	  if (!lex->describe)
	  {
5954
	    lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
unknown's avatar
unknown committed
5955 5956 5957 5958 5959
	    if (!(lex->exchange= new sql_exchange($3.str,1)))
	      YYABORT;
	    if (!(lex->result= new select_dump(lex->exchange)))
	      YYABORT;
	  }
unknown's avatar
unknown committed
5960
	}
5961
        | INTO select_var_list_init
unknown's avatar
unknown committed
5962
	{
5963
	  Lex->uncacheable(UNCACHEABLE_SIDEEFFECT);
5964 5965
	}
        ;
unknown's avatar
unknown committed
5966

unknown's avatar
unknown committed
5967 5968 5969
/*
  DO statement
*/
unknown's avatar
unknown committed
5970

5971
do:	DO_SYM
unknown's avatar
unknown committed
5972 5973 5974
	{
	  LEX *lex=Lex;
	  lex->sql_command = SQLCOM_DO;
5975 5976 5977 5978 5979
	  mysql_init_select(lex);
	}
	expr_list
	{
	  Lex->insert_list= $3;
unknown's avatar
unknown committed
5980
	}
5981 5982
	;

unknown's avatar
unknown committed
5983
/*
5984
  Drop : delete tables or index or user
unknown's avatar
unknown committed
5985 5986 5987
*/

drop:
unknown's avatar
unknown committed
5988
	DROP opt_temporary table_or_tables if_exists table_list opt_restrict
unknown's avatar
unknown committed
5989
	{
unknown's avatar
unknown committed
5990 5991
	  LEX *lex=Lex;
	  lex->sql_command = SQLCOM_DROP_TABLE;
5992 5993
	  lex->drop_temporary= $2;
	  lex->drop_if_exists= $4;
unknown's avatar
unknown committed
5994
	}
unknown's avatar
unknown committed
5995
	| DROP INDEX_SYM ident ON table_ident {}
unknown's avatar
unknown committed
5996
	  {
unknown's avatar
unknown committed
5997 5998
	     LEX *lex=Lex;
	     lex->sql_command= SQLCOM_DROP_INDEX;
5999 6000 6001
	     lex->alter_info.drop_list.empty();
	     lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
                                                                $3.str));
unknown's avatar
unknown committed
6002 6003
	     if (!lex->current_select->add_table_to_list(lex->thd, $5, NULL,
							TL_OPTION_UPDATING))
unknown's avatar
unknown committed
6004 6005 6006 6007
	      YYABORT;
	  }
	| DROP DATABASE if_exists ident
	  {
unknown's avatar
unknown committed
6008 6009 6010 6011
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_DROP_DB;
	    lex->drop_if_exists=$3;
	    lex->name=$4.str;
unknown's avatar
unknown committed
6012
	 }
6013
	| DROP FUNCTION_SYM if_exists sp_name
unknown's avatar
unknown committed
6014
	  {
unknown's avatar
unknown committed
6015
	    LEX *lex=Lex;
6016 6017
	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
6018
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "FUNCTION");
6019 6020
	      YYABORT;
	    }
unknown's avatar
unknown committed
6021
	    lex->sql_command = SQLCOM_DROP_FUNCTION;
6022 6023 6024 6025 6026 6027 6028 6029
	    lex->drop_if_exists= $3;
	    lex->spname= $4;
	  }
	| DROP PROCEDURE if_exists sp_name
	  {
	    LEX *lex=Lex;
	    if (lex->sphead)
	    {
unknown's avatar
unknown committed
6030
	      my_error(ER_SP_NO_DROP_SP, MYF(0), "PROCEDURE");
6031 6032 6033 6034 6035
	      YYABORT;
	    }
	    lex->sql_command = SQLCOM_DROP_PROCEDURE;
	    lex->drop_if_exists= $3;
	    lex->spname= $4;
6036
	  }
6037
	| DROP USER clear_privileges user_list
6038
	  {
6039 6040
	    Lex->sql_command = SQLCOM_DROP_USER;
          }
6041 6042
	| DROP VIEW_SYM if_exists table_list opt_restrict
	  {
6043
	    LEX *lex= Lex;
6044 6045 6046
	    lex->sql_command= SQLCOM_DROP_VIEW;
	    lex->drop_if_exists= $3;
	  }
6047
        | DROP TRIGGER_SYM sp_name
6048 6049 6050
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_DROP_TRIGGER;
6051
            lex->spname= $3;
6052 6053
          }
	;
unknown's avatar
unknown committed
6054 6055

table_list:
6056
	table_name
unknown's avatar
unknown committed
6057
	| table_list ',' table_name;
unknown's avatar
unknown committed
6058

6059
table_name:
unknown's avatar
unknown committed
6060
	table_ident
unknown's avatar
unknown committed
6061 6062 6063 6064 6065
	{
	  if (!Select->add_table_to_list(YYTHD, $1, NULL, TL_OPTION_UPDATING))
	    YYABORT;
	}
	;
unknown's avatar
unknown committed
6066 6067

if_exists:
6068
	/* empty */ { $$= 0; }
6069 6070
	| IF EXISTS { $$= 1; }
	;
unknown's avatar
unknown committed
6071

6072 6073 6074 6075
opt_temporary:
	/* empty */ { $$= 0; }
	| TEMPORARY { $$= 1; }
	;
unknown's avatar
unknown committed
6076 6077 6078 6079 6080
/*
** Insert : add new data to table
*/

insert:
6081 6082 6083
	INSERT
	{
	  LEX *lex= Lex;
6084 6085
	  lex->sql_command= SQLCOM_INSERT;
	  lex->duplicates= DUP_ERROR; 
unknown's avatar
unknown committed
6086
	  mysql_init_select(lex);
6087 6088 6089
	  /* for subselects */
          lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
	} insert_lock_option
6090
	opt_ignore insert2
unknown's avatar
unknown committed
6091
	{
unknown's avatar
unknown committed
6092
	  Select->set_lock_for_tables($3);
unknown's avatar
unknown committed
6093
	  Lex->current_select= &Lex->select_lex;
unknown's avatar
unknown committed
6094
	}
6095
	insert_field_spec opt_insert_update
6096
	{}
unknown's avatar
unknown committed
6097
	;
unknown's avatar
unknown committed
6098 6099

replace:
6100 6101
	REPLACE
	{
6102
	  LEX *lex=Lex;
6103 6104
	  lex->sql_command = SQLCOM_REPLACE;
	  lex->duplicates= DUP_REPLACE;
unknown's avatar
unknown committed
6105
	  mysql_init_select(lex);
6106
	}
unknown's avatar
unknown committed
6107 6108
	replace_lock_option insert2
	{
unknown's avatar
unknown committed
6109
	  Select->set_lock_for_tables($3);
unknown's avatar
unknown committed
6110
	  Lex->current_select= &Lex->select_lex;
unknown's avatar
unknown committed
6111 6112
	}
	insert_field_spec
6113
	{}
unknown's avatar
unknown committed
6114
	;
unknown's avatar
unknown committed
6115 6116

insert_lock_option:
unknown's avatar
unknown committed
6117 6118 6119 6120
	/* empty */	{ $$= TL_WRITE_CONCURRENT_INSERT; }
	| LOW_PRIORITY	{ $$= TL_WRITE_LOW_PRIORITY; }
	| DELAYED_SYM	{ $$= TL_WRITE_DELAYED; }
	| HIGH_PRIORITY { $$= TL_WRITE; }
6121
	;
unknown's avatar
unknown committed
6122 6123

replace_lock_option:
unknown's avatar
unknown committed
6124 6125
	opt_low_priority { $$= $1; }
	| DELAYED_SYM	 { $$= TL_WRITE_DELAYED; };
unknown's avatar
unknown committed
6126 6127 6128

insert2:
	INTO insert_table {}
unknown's avatar
unknown committed
6129
	| insert_table {};
unknown's avatar
unknown committed
6130 6131

insert_table:
6132
	table_name
unknown's avatar
unknown committed
6133
	{
unknown's avatar
unknown committed
6134 6135 6136 6137
	  LEX *lex=Lex;
	  lex->field_list.empty();
	  lex->many_values.empty();
	  lex->insert_list=0;
unknown's avatar
unknown committed
6138
	};
unknown's avatar
unknown committed
6139 6140

insert_field_spec:
unknown's avatar
unknown committed
6141 6142 6143
	insert_values {}
	| '(' ')' insert_values {}
	| '(' fields ')' insert_values {}
unknown's avatar
unknown committed
6144 6145
	| SET
	  {
unknown's avatar
unknown committed
6146 6147 6148
	    LEX *lex=Lex;
	    if (!(lex->insert_list = new List_item) ||
		lex->many_values.push_back(lex->insert_list))
unknown's avatar
unknown committed
6149 6150
	      YYABORT;
	   }
unknown's avatar
unknown committed
6151
	   ident_eq_list;
unknown's avatar
unknown committed
6152 6153 6154

fields:
	fields ',' insert_ident { Lex->field_list.push_back($3); }
unknown's avatar
unknown committed
6155
	| insert_ident		{ Lex->field_list.push_back($1); };
unknown's avatar
unknown committed
6156 6157 6158

insert_values:
	VALUES	values_list  {}
unknown's avatar
unknown committed
6159
	| VALUE_SYM values_list  {}
unknown's avatar
unknown committed
6160 6161
	|     create_select     { Select->set_braces(0);} union_clause {}
	| '(' create_select ')' { Select->set_braces(1);} union_opt {}
6162
        ;
unknown's avatar
unknown committed
6163 6164 6165

values_list:
	values_list ','  no_braces
unknown's avatar
unknown committed
6166
	| no_braces;
unknown's avatar
unknown committed
6167 6168 6169 6170

ident_eq_list:
	ident_eq_list ',' ident_eq_value
	|
unknown's avatar
unknown committed
6171
	ident_eq_value;
unknown's avatar
unknown committed
6172 6173

ident_eq_value:
6174
	simple_ident_nospvar equal expr_or_default
unknown's avatar
unknown committed
6175
	 {
unknown's avatar
unknown committed
6176 6177 6178
	  LEX *lex=Lex;
	  if (lex->field_list.push_back($1) ||
	      lex->insert_list->push_back($3))
unknown's avatar
unknown committed
6179
	    YYABORT;
unknown's avatar
unknown committed
6180
	 };
unknown's avatar
unknown committed
6181 6182

equal:	EQ		{}
unknown's avatar
unknown committed
6183 6184 6185 6186 6187 6188 6189
	| SET_VAR	{}
	;

opt_equal:
	/* empty */	{}
	| equal		{}
	;
unknown's avatar
unknown committed
6190 6191 6192 6193 6194 6195 6196 6197 6198

no_braces:
	 '('
	 {
	    if (!(Lex->insert_list = new List_item))
	      YYABORT;
	 }
	 opt_values ')'
	 {
unknown's avatar
unknown committed
6199 6200
	  LEX *lex=Lex;
	  if (lex->many_values.push_back(lex->insert_list))
unknown's avatar
unknown committed
6201
	    YYABORT;
unknown's avatar
unknown committed
6202
	 };
unknown's avatar
unknown committed
6203 6204 6205

opt_values:
	/* empty */ {}
unknown's avatar
unknown committed
6206
	| values;
unknown's avatar
unknown committed
6207 6208

values:
unknown's avatar
unknown committed
6209
	values ','  expr_or_default
unknown's avatar
unknown committed
6210 6211 6212 6213
	{
	  if (Lex->insert_list->push_back($3))
	    YYABORT;
	}
unknown's avatar
unknown committed
6214 6215 6216 6217 6218 6219 6220 6221
	| expr_or_default
	  {
	    if (Lex->insert_list->push_back($1))
	      YYABORT;
	  }
	;

expr_or_default:
6222
	expr	  { $$= $1;}
unknown's avatar
unknown committed
6223
	| DEFAULT {$$= new Item_default_value(Lex->current_context()); }
unknown's avatar
unknown committed
6224
	;
unknown's avatar
unknown committed
6225

6226 6227
opt_insert_update:
        /* empty */
unknown's avatar
unknown committed
6228
        | ON DUPLICATE_SYM	{ Lex->duplicates= DUP_UPDATE; }
unknown's avatar
unknown committed
6229
          KEY_SYM UPDATE_SYM insert_update_list
6230 6231
        ;

unknown's avatar
unknown committed
6232 6233 6234
/* Update rows in a table */

update:
6235 6236
	UPDATE_SYM
	{
6237
	  LEX *lex= Lex;
unknown's avatar
unknown committed
6238
	  mysql_init_select(lex);
6239
          lex->sql_command= SQLCOM_UPDATE;
unknown's avatar
unknown committed
6240
	  lex->lock_option= TL_UNLOCK; 	/* Will be set later */
6241
	  lex->duplicates= DUP_ERROR; 
6242
        }
unknown's avatar
unknown committed
6243
        opt_low_priority opt_ignore join_table_list
unknown's avatar
unknown committed
6244
	SET update_list
unknown's avatar
unknown committed
6245
	{
6246 6247
	  LEX *lex= Lex;
          if (lex->select_lex.table_list.elements > 1)
unknown's avatar
unknown committed
6248
            lex->sql_command= SQLCOM_UPDATE_MULTI;
6249 6250 6251
	  else if (lex->select_lex.get_table_list()->derived)
	  {
	    /* it is single table update and it is update of derived table */
6252 6253
	    my_error(ER_NON_UPDATABLE_TABLE, MYF(0),
                     lex->select_lex.get_table_list()->alias, "UPDATE");
6254 6255
	    YYABORT;
	  }
6256 6257 6258 6259 6260 6261
          /*
            In case of multi-update setting write lock for all tables may
            be too pessimistic. We will decrease lock level if possible in
            mysql_multi_update().
          */
          Select->set_lock_for_tables($3);
unknown's avatar
unknown committed
6262
	}
6263
	where_clause opt_order_clause delete_limit_clause {}
unknown's avatar
unknown committed
6264
	;
unknown's avatar
unknown committed
6265 6266

update_list:
unknown's avatar
unknown committed
6267 6268 6269 6270
	update_list ',' update_elem
	| update_elem;

update_elem:
unknown's avatar
unknown committed
6271
	simple_ident_nospvar equal expr_or_default
unknown's avatar
unknown committed
6272
	{
unknown's avatar
unknown committed
6273
	  if (add_item_to_list(YYTHD, $1) || add_value_to_list(YYTHD, $3))
unknown's avatar
unknown committed
6274
	    YYABORT;
unknown's avatar
unknown committed
6275 6276 6277 6278 6279 6280 6281
	};

insert_update_list:
	insert_update_list ',' insert_update_elem
	| insert_update_elem;

insert_update_elem:
unknown's avatar
unknown committed
6282
	simple_ident_nospvar equal expr_or_default
unknown's avatar
unknown committed
6283
	  {
unknown's avatar
unknown committed
6284 6285 6286
	  LEX *lex= Lex;
	  if (lex->update_list.push_back($1) || 
	      lex->value_list.push_back($3))
unknown's avatar
unknown committed
6287
	      YYABORT;
unknown's avatar
unknown committed
6288
	  };
unknown's avatar
unknown committed
6289 6290

opt_low_priority:
6291
	/* empty */	{ $$= YYTHD->update_lock_default; }
unknown's avatar
unknown committed
6292
	| LOW_PRIORITY	{ $$= TL_WRITE_LOW_PRIORITY; };
unknown's avatar
unknown committed
6293 6294 6295 6296

/* Delete rows from a table */

delete:
6297
	DELETE_SYM
6298
	{
6299 6300
	  LEX *lex= Lex;
	  lex->sql_command= SQLCOM_DELETE;
unknown's avatar
unknown committed
6301
	  mysql_init_select(lex);
unknown's avatar
unknown committed
6302
	  lex->lock_option= lex->thd->update_lock_default;
6303
	  lex->ignore= 0;
6304
	  lex->select_lex.init_order();
unknown's avatar
unknown committed
6305
	}
unknown's avatar
unknown committed
6306 6307
	opt_delete_options single_multi {}
	;
6308 6309

single_multi:
unknown's avatar
unknown committed
6310 6311
 	FROM table_ident
	{
unknown's avatar
unknown committed
6312 6313
	  if (!Select->add_table_to_list(YYTHD, $2, NULL, TL_OPTION_UPDATING,
					 Lex->lock_option))
unknown's avatar
unknown committed
6314 6315 6316
	    YYABORT;
	}
	where_clause opt_order_clause
6317
	delete_limit_clause {}
unknown's avatar
unknown committed
6318
	| table_wild_list
unknown's avatar
unknown committed
6319
	  { mysql_init_multi_delete(Lex); }
unknown's avatar
unknown committed
6320
          FROM join_table_list where_clause
6321 6322 6323 6324
          { 
            if (multi_delete_set_locks_and_link_aux_tables(Lex))
              YYABORT;
          }
unknown's avatar
unknown committed
6325 6326
	| FROM table_wild_list
	  { mysql_init_multi_delete(Lex); }
6327
	  USING join_table_list where_clause
6328 6329 6330 6331
          { 
            if (multi_delete_set_locks_and_link_aux_tables(Lex))
              YYABORT;
          }
6332
	;
unknown's avatar
unknown committed
6333 6334 6335

table_wild_list:
	  table_wild_one {}
unknown's avatar
unknown committed
6336
	  | table_wild_list ',' table_wild_one {};
unknown's avatar
unknown committed
6337 6338

table_wild_one:
unknown's avatar
unknown committed
6339
	ident opt_wild opt_table_alias
unknown's avatar
unknown committed
6340
	{
unknown's avatar
unknown committed
6341 6342
	  if (!Select->add_table_to_list(YYTHD, new Table_ident($1), $3,
					 TL_OPTION_UPDATING, Lex->lock_option))
unknown's avatar
unknown committed
6343 6344
	    YYABORT;
        }
unknown's avatar
unknown committed
6345
	| ident '.' ident opt_wild opt_table_alias
unknown's avatar
unknown committed
6346
	  {
unknown's avatar
unknown committed
6347 6348
	    if (!Select->add_table_to_list(YYTHD,
					   new Table_ident(YYTHD, $1, $3, 0),
unknown's avatar
unknown committed
6349 6350
					   $5, TL_OPTION_UPDATING,
					   Lex->lock_option))
unknown's avatar
unknown committed
6351
	      YYABORT;
unknown's avatar
unknown committed
6352
	  }
unknown's avatar
unknown committed
6353
	;
unknown's avatar
unknown committed
6354 6355

opt_wild:
6356
	/* empty */	{}
unknown's avatar
unknown committed
6357
	| '.' '*'	{};
unknown's avatar
unknown committed
6358 6359


6360
opt_delete_options:
unknown's avatar
unknown committed
6361
	/* empty */	{}
unknown's avatar
unknown committed
6362
	| opt_delete_option opt_delete_options {};
6363 6364

opt_delete_option:
6365
	QUICK		{ Select->options|= OPTION_QUICK; }
6366
	| LOW_PRIORITY	{ Lex->lock_option= TL_WRITE_LOW_PRIORITY; }
6367
	| IGNORE_SYM	{ Lex->ignore= 1; };
6368

6369
truncate:
unknown's avatar
unknown committed
6370
	TRUNCATE_SYM opt_table_sym table_name
6371
	{
6372
	  LEX* lex= Lex;
6373
	  lex->sql_command= SQLCOM_TRUNCATE;
6374
	  lex->select_lex.options= 0;
6375
	  lex->select_lex.init_order();
unknown's avatar
unknown committed
6376 6377
	}
	;
6378

unknown's avatar
unknown committed
6379 6380
opt_table_sym:
	/* empty */
unknown's avatar
unknown committed
6381
	| TABLE_SYM;
6382

unknown's avatar
unknown committed
6383 6384
/* Show things */

6385 6386
show:	SHOW
	{
unknown's avatar
unknown committed
6387 6388
	  LEX *lex=Lex;
	  lex->wild=0;
6389 6390 6391
          lex->lock_option= TL_READ;
          mysql_init_select(lex);
          lex->current_select->parsing_place= SELECT_LIST;
unknown's avatar
unknown committed
6392 6393
	  bzero((char*) &lex->create_info,sizeof(lex->create_info));
	}
unknown's avatar
unknown committed
6394
	show_param
6395 6396
	{}
	;
unknown's avatar
unknown committed
6397 6398

show_param:
6399
         DATABASES wild_and_where
6400 6401 6402 6403 6404 6405 6406
         {
           LEX *lex= Lex;
           lex->sql_command= SQLCOM_SELECT;
           lex->orig_sql_command= SQLCOM_SHOW_DATABASES;
           if (prepare_schema_table(YYTHD, lex, 0, SCH_SCHEMATA))
             YYABORT;
         }
6407
         | opt_full TABLES opt_db wild_and_where
6408 6409 6410 6411
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SELECT;
             lex->orig_sql_command= SQLCOM_SHOW_TABLES;
6412
             lex->select_lex.db= $3;
6413 6414 6415
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TABLE_NAMES))
               YYABORT;
           }
6416 6417 6418 6419 6420 6421 6422 6423 6424
         | opt_full TRIGGERS_SYM opt_db wild_and_where
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SELECT;
             lex->orig_sql_command= SQLCOM_SHOW_TRIGGERS;
             lex->select_lex.db= $3;
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TRIGGERS))
               YYABORT;
           }
6425
         | TABLE_SYM STATUS_SYM opt_db wild_and_where
6426 6427 6428 6429
           {
             LEX *lex= Lex;
             lex->sql_command= SQLCOM_SELECT;
             lex->orig_sql_command= SQLCOM_SHOW_TABLE_STATUS;
6430
             lex->select_lex.db= $3;
6431 6432 6433
             if (prepare_schema_table(YYTHD, lex, 0, SCH_TABLES))
               YYABORT;
           }
6434
        | OPEN_SYM TABLES opt_db wild_and_where
unknown's avatar
unknown committed
6435
	  {
6436
	    LEX *lex= Lex;
6437 6438
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_OPEN_TABLES;
6439
	    lex->select_lex.db= $3;
6440 6441
            if (prepare_schema_table(YYTHD, lex, 0, SCH_OPEN_TABLES))
              YYABORT;
6442
	  }
unknown's avatar
unknown committed
6443
	| ENGINE_SYM storage_engines 
unknown's avatar
unknown committed
6444 6445
	  { Lex->create_info.db_type= $2; }
	  show_engine_param
6446
	| opt_full COLUMNS from_or_in table_ident opt_db wild_and_where
unknown's avatar
unknown committed
6447
	  {
6448 6449 6450
 	    LEX *lex= Lex;
	    lex->sql_command= SQLCOM_SELECT;
	    lex->orig_sql_command= SQLCOM_SHOW_FIELDS;
6451 6452 6453
	    if ($5)
	      $4->change_db($5);
	    if (prepare_schema_table(YYTHD, lex, $4, SCH_COLUMNS))
unknown's avatar
unknown committed
6454 6455
	      YYABORT;
	  }
6456
        | NEW_SYM MASTER_SYM FOR_SYM SLAVE WITH MASTER_LOG_FILE_SYM EQ
unknown's avatar
unknown committed
6457 6458
	  TEXT_STRING_sys AND_SYM MASTER_LOG_POS_SYM EQ ulonglong_num
	  AND_SYM MASTER_SERVER_ID_SYM EQ
unknown's avatar
unknown committed
6459
	ulong_num
unknown's avatar
unknown committed
6460 6461 6462 6463
          {
	    Lex->sql_command = SQLCOM_SHOW_NEW_MASTER;
	    Lex->mi.log_file_name = $8.str;
	    Lex->mi.pos = $12;
6464
	    Lex->mi.server_id = $16;
unknown's avatar
unknown committed
6465
          }
6466
        | master_or_binary LOGS_SYM
unknown's avatar
unknown committed
6467 6468
          {
	    Lex->sql_command = SQLCOM_SHOW_BINLOGS;
6469 6470 6471 6472 6473
          }
        | SLAVE HOSTS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_SLAVE_HOSTS;
          }
unknown's avatar
unknown committed
6474
        | BINLOG_SYM EVENTS_SYM binlog_in binlog_from
unknown's avatar
unknown committed
6475
          {
6476 6477
	    LEX *lex= Lex;
	    lex->sql_command= SQLCOM_SHOW_BINLOG_EVENTS;
6478
          } opt_limit_clause_init
6479
        | keys_or_index from_or_in table_ident opt_db where_clause
6480 6481 6482 6483
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_KEYS;
6484 6485 6486
	    if ($4)
	      $3->change_db($4);
            if (prepare_schema_table(YYTHD, lex, $3, SCH_STATISTICS))
6487
              YYABORT;
unknown's avatar
unknown committed
6488
	  }
unknown's avatar
unknown committed
6489 6490 6491 6492 6493 6494 6495 6496
	| COLUMN_SYM TYPES_SYM
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_COLUMN_TYPES;
	  }
	| TABLE_SYM TYPES_SYM
	  {
	    LEX *lex=Lex;
unknown's avatar
unknown committed
6497 6498 6499 6500 6501 6502 6503
	    lex->sql_command= SQLCOM_SHOW_STORAGE_ENGINES;
	    WARN_DEPRECATED("SHOW TABLE TYPES", "SHOW [STORAGE] ENGINES");
	  }
	| opt_storage ENGINES_SYM
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_STORAGE_ENGINES;
unknown's avatar
unknown committed
6504 6505 6506 6507 6508 6509
	  }
	| PRIVILEGES
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_PRIVILEGES;
	  }
6510
        | COUNT_SYM '(' '*' ')' WARNINGS
6511
          { (void) create_select_for_variable("warning_count"); }
6512
        | COUNT_SYM '(' '*' ')' ERRORS
6513
	  { (void) create_select_for_variable("error_count"); }
6514
        | WARNINGS opt_limit_clause_init
unknown's avatar
unknown committed
6515
          { Lex->sql_command = SQLCOM_SHOW_WARNS;}
6516
        | ERRORS opt_limit_clause_init
6517
          { Lex->sql_command = SQLCOM_SHOW_ERRORS;}
6518
        | opt_var_type STATUS_SYM wild_and_where
6519
          {
6520 6521 6522
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_STATUS;
6523
            lex->option_type= $1;
6524 6525
            if (prepare_schema_table(YYTHD, lex, 0, SCH_STATUS))
              YYABORT;
6526
	  }	
unknown's avatar
unknown committed
6527
        | INNOBASE_SYM STATUS_SYM
unknown's avatar
unknown committed
6528
          { Lex->sql_command = SQLCOM_SHOW_INNODB_STATUS; WARN_DEPRECATED("SHOW INNODB STATUS", "SHOW ENGINE INNODB STATUS"); }
unknown's avatar
unknown committed
6529 6530
        | MUTEX_SYM STATUS_SYM
          { Lex->sql_command = SQLCOM_SHOW_MUTEX_STATUS; }
unknown's avatar
unknown committed
6531 6532
	| opt_full PROCESSLIST_SYM
	  { Lex->sql_command= SQLCOM_SHOW_PROCESSLIST;}
6533
        | opt_var_type  VARIABLES wild_and_where
unknown's avatar
unknown committed
6534
	  {
6535 6536 6537
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_VARIABLES;
6538
            lex->option_type= $1;
6539 6540
            if (prepare_schema_table(YYTHD, lex, 0, SCH_VARIABLES))
              YYABORT;
6541
	  }
6542
        | charset wild_and_where
6543 6544 6545 6546 6547 6548 6549
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_CHARSETS;
            if (prepare_schema_table(YYTHD, lex, 0, SCH_CHARSETS))
              YYABORT;
          }
6550
        | COLLATION_SYM wild_and_where
6551 6552 6553 6554 6555 6556 6557
          {
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_COLLATIONS;
            if (prepare_schema_table(YYTHD, lex, 0, SCH_COLLATIONS))
              YYABORT;
          }
6558
	| BERKELEY_DB_SYM LOGS_SYM
unknown's avatar
unknown committed
6559
	  { Lex->sql_command= SQLCOM_SHOW_LOGS; WARN_DEPRECATED("SHOW BDB LOGS", "SHOW ENGINE BDB LOGS"); }
unknown's avatar
unknown committed
6560
	| LOGS_SYM
unknown's avatar
unknown committed
6561
	  { Lex->sql_command= SQLCOM_SHOW_LOGS; WARN_DEPRECATED("SHOW LOGS", "SHOW ENGINE BDB LOGS"); }
6562 6563 6564 6565 6566
	| GRANTS
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_GRANTS;
	    THD *thd= lex->thd;
6567
            Security_context *sctx= thd->security_ctx;
6568 6569 6570
	    LEX_USER *curr_user;
            if (!(curr_user= (LEX_USER*) thd->alloc(sizeof(st_lex_user))))
              YYABORT;
6571 6572 6573
            curr_user->user.str= sctx->priv_user;
            curr_user->user.length= strlen(sctx->priv_user);
            if (*sctx->priv_host != 0)
6574
            {
6575 6576
              curr_user->host.str= sctx->priv_host;
              curr_user->host.length= strlen(sctx->priv_host);
6577 6578 6579 6580 6581 6582
            }
            else
            {
              curr_user->host.str= (char *) "%";
              curr_user->host.length= 1;
            }
6583
            curr_user->password=null_lex_str;
6584 6585
	    lex->grant_user= curr_user;
	  }
unknown's avatar
unknown committed
6586
	| GRANTS FOR_SYM user
unknown's avatar
unknown committed
6587 6588 6589 6590
	  {
	    LEX *lex=Lex;
	    lex->sql_command= SQLCOM_SHOW_GRANTS;
	    lex->grant_user=$3;
6591
	    lex->grant_user->password=null_lex_str;
unknown's avatar
unknown committed
6592
	  }
unknown's avatar
unknown committed
6593
	| CREATE DATABASE opt_if_not_exists ident
unknown's avatar
unknown committed
6594 6595
	  {
	    Lex->sql_command=SQLCOM_SHOW_CREATE_DB;
unknown's avatar
unknown committed
6596 6597
	    Lex->create_info.options=$3;
	    Lex->name=$4.str;
unknown's avatar
unknown committed
6598
	  }
unknown's avatar
unknown committed
6599 6600
        | CREATE TABLE_SYM table_ident
          {
6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611
            LEX *lex= Lex;
	    lex->sql_command = SQLCOM_SHOW_CREATE;
	    if (!lex->select_lex.add_table_to_list(YYTHD, $3, NULL,0))
	      YYABORT;
            lex->only_view= 0;
	  }
        | CREATE VIEW_SYM table_ident
          {
            LEX *lex= Lex;
	    lex->sql_command = SQLCOM_SHOW_CREATE;
	    if (!lex->select_lex.add_table_to_list(YYTHD, $3, NULL, 0))
unknown's avatar
unknown committed
6612
	      YYABORT;
6613
            lex->only_view= 1;
unknown's avatar
unknown committed
6614 6615 6616 6617
	  }
        | MASTER_SYM STATUS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_MASTER_STAT;
unknown's avatar
unknown committed
6618
          }
unknown's avatar
unknown committed
6619 6620 6621
        | SLAVE STATUS_SYM
          {
	    Lex->sql_command = SQLCOM_SHOW_SLAVE_STAT;
6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636
          }
	| CREATE PROCEDURE sp_name
	  {
	    LEX *lex= Lex;

	    lex->sql_command = SQLCOM_SHOW_CREATE_PROC;
	    lex->spname= $3;
	  }
	| CREATE FUNCTION_SYM sp_name
	  {
	    LEX *lex= Lex;

	    lex->sql_command = SQLCOM_SHOW_CREATE_FUNC;
	    lex->spname= $3;
	  }
6637
	| PROCEDURE STATUS_SYM wild_and_where
6638
	  {
6639 6640 6641
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_STATUS_PROC;
6642 6643
	    if (!sp_add_to_query_tables(YYTHD, lex, "mysql", "proc", TL_READ))
	      YYABORT;
6644 6645
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PROCEDURES))
              YYABORT;
6646
	  }
6647
	| FUNCTION_SYM STATUS_SYM wild_and_where
6648
	  {
6649 6650 6651
            LEX *lex= Lex;
            lex->sql_command= SQLCOM_SELECT;
            lex->orig_sql_command= SQLCOM_SHOW_STATUS_FUNC;
6652 6653
	    if (!sp_add_to_query_tables(YYTHD, lex, "mysql", "proc", TL_READ))
	      YYABORT;
6654 6655
            if (prepare_schema_table(YYTHD, lex, 0, SCH_PROCEDURES))
              YYABORT;
unknown's avatar
unknown committed
6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677
	  }
        | PROCEDURE CODE_SYM sp_name
          {
#ifdef DBUG_OFF
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
#else
            Lex->sql_command= SQLCOM_SHOW_PROC_CODE;
	    Lex->spname= $3;
#endif
          }
        | FUNCTION_SYM CODE_SYM sp_name
          {
#ifdef DBUG_OFF
            yyerror(ER(ER_SYNTAX_ERROR));
            YYABORT;
#else
            Lex->sql_command= SQLCOM_SHOW_FUNC_CODE;
	    Lex->spname= $3;
#endif
          }
        ;
unknown's avatar
unknown committed
6678

unknown's avatar
unknown committed
6679 6680 6681 6682
show_engine_param:
	STATUS_SYM
	  {
	    switch (Lex->create_info.db_type) {
6683 6684 6685
	    case DB_TYPE_NDBCLUSTER:
	      Lex->sql_command = SQLCOM_SHOW_NDBCLUSTER_STATUS;
	      break;
unknown's avatar
unknown committed
6686 6687 6688 6689
	    case DB_TYPE_INNODB:
	      Lex->sql_command = SQLCOM_SHOW_INNODB_STATUS;
	      break;
	    default:
unknown's avatar
unknown committed
6690
	      my_error(ER_NOT_SUPPORTED_YET, MYF(0), "STATUS");
unknown's avatar
unknown committed
6691 6692 6693 6694 6695 6696 6697 6698 6699 6700
	      YYABORT;
	    }
	  }
	| LOGS_SYM
	  {
	    switch (Lex->create_info.db_type) {
	    case DB_TYPE_BERKELEY_DB:
	      Lex->sql_command = SQLCOM_SHOW_LOGS;
	      break;
	    default:
unknown's avatar
unknown committed
6701
	      my_error(ER_NOT_SUPPORTED_YET, MYF(0), "LOGS");
unknown's avatar
unknown committed
6702 6703 6704 6705
	      YYABORT;
	    }
	  };

6706 6707 6708 6709
master_or_binary:
	MASTER_SYM
	| BINARY;

unknown's avatar
unknown committed
6710 6711 6712 6713
opt_storage:
	/* empty */
	| STORAGE_SYM;

unknown's avatar
unknown committed
6714 6715
opt_db:
	/* empty */  { $$= 0; }
unknown's avatar
unknown committed
6716
	| from_or_in ident { $$= $2.str; };
unknown's avatar
unknown committed
6717

unknown's avatar
unknown committed
6718 6719
opt_full:
	/* empty */ { Lex->verbose=0; }
unknown's avatar
unknown committed
6720
	| FULL	    { Lex->verbose=1; };
unknown's avatar
unknown committed
6721

unknown's avatar
unknown committed
6722 6723
from_or_in:
	FROM
unknown's avatar
unknown committed
6724
	| IN_SYM;
unknown's avatar
unknown committed
6725

unknown's avatar
unknown committed
6726 6727
binlog_in:
	/* empty */ { Lex->mi.log_file_name = 0; }
unknown's avatar
unknown committed
6728
        | IN_SYM TEXT_STRING_sys { Lex->mi.log_file_name = $2.str; };
unknown's avatar
unknown committed
6729 6730 6731

binlog_from:
	/* empty */ { Lex->mi.pos = 4; /* skip magic number */ }
unknown's avatar
unknown committed
6732
        | FROM ulonglong_num { Lex->mi.pos = $2; };
unknown's avatar
unknown committed
6733

6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746
wild_and_where:
      /* empty */
      | LIKE TEXT_STRING_sys
	{ Lex->wild=  new (YYTHD->mem_root) String($2.str, $2.length,
                                                   system_charset_info); }
      | WHERE expr
        {
          Select->where= $2;
          if ($2)
            $2->top_level_item();
        }
      ;

unknown's avatar
unknown committed
6747

unknown's avatar
unknown committed
6748 6749 6750 6751
/* A Oracle compatible synonym for show */
describe:
	describe_command table_ident
	{
6752 6753 6754 6755 6756 6757 6758 6759 6760
          LEX *lex= Lex;
          lex->lock_option= TL_READ;
          mysql_init_select(lex);
          lex->current_select->parsing_place= SELECT_LIST;
          lex->sql_command= SQLCOM_SELECT;
          lex->orig_sql_command= SQLCOM_SHOW_FIELDS;
          lex->select_lex.db= 0;
          lex->verbose= 0;
          if (prepare_schema_table(YYTHD, lex, $2, SCH_COLUMNS))
unknown's avatar
unknown committed
6761 6762
	    YYABORT;
	}
6763
	opt_describe_column {}
unknown's avatar
unknown committed
6764 6765 6766
	| describe_command opt_extended_describe
	  { Lex->describe|= DESCRIBE_NORMAL; }
	  select
6767
          {
unknown's avatar
unknown committed
6768
	    LEX *lex=Lex;
6769
	    lex->select_lex.options|= SELECT_DESCRIBE;
unknown's avatar
unknown committed
6770 6771
	  }
	;
unknown's avatar
unknown committed
6772 6773 6774

describe_command:
	DESC
unknown's avatar
unknown committed
6775
	| DESCRIBE;
unknown's avatar
unknown committed
6776

unknown's avatar
unknown committed
6777 6778 6779 6780 6781
opt_extended_describe:
	/* empty */ {}
	| EXTENDED_SYM { Lex->describe|= DESCRIBE_EXTENDED; }
	;

unknown's avatar
unknown committed
6782 6783 6784
opt_describe_column:
	/* empty */	{}
	| text_string	{ Lex->wild= $1; }
unknown's avatar
unknown committed
6785
	| ident
unknown's avatar
unknown committed
6786
	  { Lex->wild= new (YYTHD->mem_root) String((const char*) $1.str,$1.length,system_charset_info); };
unknown's avatar
unknown committed
6787 6788 6789 6790 6791


/* flush things */

flush:
6792
	FLUSH_SYM opt_no_write_to_binlog
unknown's avatar
unknown committed
6793 6794
	{
	  LEX *lex=Lex;
6795
	  if (lex->sphead && lex->sphead->m_type != TYPE_ENUM_PROCEDURE)
6796
	  {
6797 6798 6799 6800 6801 6802
            /*
              Note that both FLUSH TABLES and FLUSH PRIVILEGES will break
              execution in prelocked mode. So it is better to disable
              FLUSH in stored functions and triggers completely.
            */
            my_error(ER_STMT_NOT_ALLOWED_IN_SF_OR_TRG, MYF(0), "FLUSH");
6803 6804
	    YYABORT;
	  }
unknown's avatar
unknown committed
6805
	  lex->sql_command= SQLCOM_FLUSH; lex->type=0;
unknown's avatar
unknown committed
6806
          lex->no_write_to_binlog= $2;
unknown's avatar
unknown committed
6807
	}
6808 6809 6810
	flush_options
	{}
	;
unknown's avatar
unknown committed
6811 6812 6813

flush_options:
	flush_options ',' flush_option
unknown's avatar
unknown committed
6814
	| flush_option;
unknown's avatar
unknown committed
6815 6816

flush_option:
6817
	table_or_tables	{ Lex->type|= REFRESH_TABLES; } opt_table_list {}
unknown's avatar
unknown committed
6818
	| TABLES WITH READ_SYM LOCK_SYM { Lex->type|= REFRESH_TABLES | REFRESH_READ_LOCK; }
unknown's avatar
unknown committed
6819
	| QUERY_SYM CACHE_SYM { Lex->type|= REFRESH_QUERY_CACHE_FREE; }
unknown's avatar
unknown committed
6820 6821 6822 6823
	| HOSTS_SYM	{ Lex->type|= REFRESH_HOSTS; }
	| PRIVILEGES	{ Lex->type|= REFRESH_GRANT; }
	| LOGS_SYM	{ Lex->type|= REFRESH_LOG; }
	| STATUS_SYM	{ Lex->type|= REFRESH_STATUS; }
unknown's avatar
unknown committed
6824 6825
        | SLAVE         { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM    { Lex->type|= REFRESH_MASTER; }
6826 6827
	| DES_KEY_FILE	{ Lex->type|= REFRESH_DES_KEY_FILE; }
 	| RESOURCES     { Lex->type|= REFRESH_USER_RESOURCES; };
unknown's avatar
unknown committed
6828

unknown's avatar
unknown committed
6829
opt_table_list:
6830 6831
	/* empty */  {;}
	| table_list {;};
unknown's avatar
unknown committed
6832

unknown's avatar
unknown committed
6833
reset:
unknown's avatar
unknown committed
6834 6835 6836 6837
	RESET_SYM
	{
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_RESET; lex->type=0;
6838 6839 6840 6841
	} reset_options
	{}
	;

unknown's avatar
unknown committed
6842 6843
reset_options:
	reset_options ',' reset_option
unknown's avatar
unknown committed
6844
	| reset_option;
unknown's avatar
unknown committed
6845 6846

reset_option:
unknown's avatar
unknown committed
6847 6848
        SLAVE                 { Lex->type|= REFRESH_SLAVE; }
        | MASTER_SYM          { Lex->type|= REFRESH_MASTER; }
unknown's avatar
unknown committed
6849
	| QUERY_SYM CACHE_SYM { Lex->type|= REFRESH_QUERY_CACHE;};
unknown's avatar
unknown committed
6850

unknown's avatar
unknown committed
6851
purge:
unknown's avatar
unknown committed
6852 6853 6854 6855
	PURGE
	{
	  LEX *lex=Lex;
	  lex->type=0;
6856 6857 6858 6859 6860
	} purge_options
	{}
	;

purge_options:
6861
	master_or_binary LOGS_SYM purge_option
unknown's avatar
unknown committed
6862
	;
6863 6864

purge_option:
unknown's avatar
unknown committed
6865
        TO_SYM TEXT_STRING_sys
6866 6867 6868 6869 6870 6871
        {
	   Lex->sql_command = SQLCOM_PURGE;
	   Lex->to_log = $2.str;
        }
	| BEFORE_SYM expr
	{
6872 6873 6874 6875
	  LEX *lex= Lex;
	  lex->value_list.empty();
	  lex->value_list.push_front($2);
	  lex->sql_command= SQLCOM_PURGE_BEFORE;
unknown's avatar
unknown committed
6876
	}
unknown's avatar
unknown committed
6877
	;
unknown's avatar
unknown committed
6878

unknown's avatar
unknown committed
6879 6880 6881
/* kill threads */

kill:
6882
	KILL_SYM kill_option expr
unknown's avatar
unknown committed
6883
	{
unknown's avatar
unknown committed
6884
	  LEX *lex=Lex;
6885 6886 6887
	  lex->value_list.empty();
	  lex->value_list.push_front($3);
          lex->sql_command= SQLCOM_KILL;
unknown's avatar
unknown committed
6888
	};
unknown's avatar
unknown committed
6889

6890 6891 6892 6893 6894
kill_option:
	/* empty */	 { Lex->type= 0; }
	| CONNECTION_SYM { Lex->type= 0; }
	| QUERY_SYM      { Lex->type= ONLY_KILL_QUERY; };

unknown's avatar
unknown committed
6895 6896 6897
/* change database */

use:	USE_SYM ident
unknown's avatar
unknown committed
6898 6899
	{
	  LEX *lex=Lex;
6900 6901
	  lex->sql_command=SQLCOM_CHANGE_DB;
	  lex->select_lex.db= $2.str;
unknown's avatar
unknown committed
6902
	};
unknown's avatar
unknown committed
6903 6904 6905

/* import, export of files */

unknown's avatar
unknown committed
6906 6907 6908
load:   LOAD DATA_SYM 
        {
          LEX *lex=Lex;
6909 6910 6911 6912 6913
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "LOAD DATA");
	    YYABORT;
	  }
unknown's avatar
unknown committed
6914 6915 6916 6917 6918 6919 6920
          lex->fname_start= lex->ptr;
        }
        load_data
        {}
        |
        LOAD TABLE_SYM table_ident FROM MASTER_SYM
        {
6921 6922 6923 6924 6925 6926 6927
	  LEX *lex=Lex;
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "LOAD TABLE");
	    YYABORT;
	  }
          lex->sql_command = SQLCOM_LOAD_MASTER_TABLE;
unknown's avatar
unknown committed
6928 6929 6930 6931 6932
          if (!Select->add_table_to_list(YYTHD, $3, NULL, TL_OPTION_UPDATING))
            YYABORT;
        };

load_data:
unknown's avatar
unknown committed
6933
	load_data_lock opt_local INFILE TEXT_STRING_filesystem
unknown's avatar
unknown committed
6934
	{
unknown's avatar
unknown committed
6935 6936
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_LOAD;
unknown's avatar
unknown committed
6937 6938
	  lex->lock_option= $1;
	  lex->local_file=  $2;
6939 6940
	  lex->duplicates= DUP_ERROR;
	  lex->ignore= 0;
unknown's avatar
unknown committed
6941
	  if (!(lex->exchange= new sql_exchange($4.str, 0)))
unknown's avatar
unknown committed
6942
	    YYABORT;
unknown's avatar
unknown committed
6943 6944 6945 6946 6947
        }
        opt_duplicate INTO
        {
	  LEX *lex=Lex;
	  lex->fname_end= lex->ptr;
unknown's avatar
unknown committed
6948
	}
6949
        TABLE_SYM table_ident
unknown's avatar
unknown committed
6950
        {
6951 6952 6953 6954 6955 6956 6957
          LEX *lex=Lex;
          if (!Select->add_table_to_list(YYTHD, $10, NULL, TL_OPTION_UPDATING,
                                         lex->lock_option))
            YYABORT;
          lex->field_list.empty();
          lex->update_list.empty();
          lex->value_list.empty();
unknown's avatar
unknown committed
6958
        }
6959 6960 6961
        opt_field_term opt_line_term opt_ignore_lines opt_field_or_var_spec
        opt_load_data_set_spec
        {}
6962
        |
unknown's avatar
unknown committed
6963
	FROM MASTER_SYM
6964 6965
        {
	  Lex->sql_command = SQLCOM_LOAD_MASTER_DATA;
unknown's avatar
unknown committed
6966
        };
unknown's avatar
unknown committed
6967 6968 6969

opt_local:
	/* empty */	{ $$=0;}
unknown's avatar
unknown committed
6970
	| LOCAL_SYM	{ $$=1;};
unknown's avatar
unknown committed
6971

unknown's avatar
unknown committed
6972
load_data_lock:
6973
	/* empty */	{ $$= YYTHD->update_lock_default; }
unknown's avatar
unknown committed
6974 6975
	| CONCURRENT	{ $$= TL_WRITE_CONCURRENT_INSERT ; }
	| LOW_PRIORITY	{ $$= TL_WRITE_LOW_PRIORITY; };
unknown's avatar
unknown committed
6976 6977


unknown's avatar
unknown committed
6978 6979 6980
opt_duplicate:
	/* empty */	{ Lex->duplicates=DUP_ERROR; }
	| REPLACE	{ Lex->duplicates=DUP_REPLACE; }
6981
	| IGNORE_SYM	{ Lex->ignore= 1; };
unknown's avatar
unknown committed
6982 6983 6984

opt_field_term:
	/* empty */
unknown's avatar
unknown committed
6985
	| COLUMNS field_term_list;
unknown's avatar
unknown committed
6986 6987 6988

field_term_list:
	field_term_list field_term
unknown's avatar
unknown committed
6989
	| field_term;
unknown's avatar
unknown committed
6990 6991

field_term:
6992 6993
	TERMINATED BY text_string 
          {
6994
            DBUG_ASSERT(Lex->exchange != 0);
6995 6996
            Lex->exchange->field_term= $3;
          }
unknown's avatar
unknown committed
6997
	| OPTIONALLY ENCLOSED BY text_string
unknown's avatar
unknown committed
6998
	  {
unknown's avatar
unknown committed
6999
            LEX *lex= Lex;
7000
            DBUG_ASSERT(lex->exchange != 0);
unknown's avatar
unknown committed
7001 7002
            lex->exchange->enclosed= $4;
            lex->exchange->opt_enclosed= 1;
unknown's avatar
unknown committed
7003
	  }
unknown's avatar
unknown committed
7004
        | ENCLOSED BY text_string
7005
          {
7006
            DBUG_ASSERT(Lex->exchange != 0);
7007 7008
            Lex->exchange->enclosed= $3;
          }
unknown's avatar
unknown committed
7009
        | ESCAPED BY text_string
7010
          {
7011
            DBUG_ASSERT(Lex->exchange != 0);
7012 7013
            Lex->exchange->escaped= $3;
          };
unknown's avatar
unknown committed
7014 7015 7016

opt_line_term:
	/* empty */
unknown's avatar
unknown committed
7017
	| LINES line_term_list;
unknown's avatar
unknown committed
7018 7019 7020

line_term_list:
	line_term_list line_term
unknown's avatar
unknown committed
7021
	| line_term;
unknown's avatar
unknown committed
7022 7023

line_term:
unknown's avatar
unknown committed
7024
        TERMINATED BY text_string
7025
          {
7026
            DBUG_ASSERT(Lex->exchange != 0);
7027 7028
            Lex->exchange->line_term= $3;
          }
unknown's avatar
unknown committed
7029
        | STARTING BY text_string
7030
          {
7031
            DBUG_ASSERT(Lex->exchange != 0);
7032 7033
            Lex->exchange->line_start= $3;
          };
unknown's avatar
unknown committed
7034 7035 7036

opt_ignore_lines:
	/* empty */
unknown's avatar
unknown committed
7037 7038
        | IGNORE_SYM NUM LINES
          {
7039
            DBUG_ASSERT(Lex->exchange != 0);
7040 7041
            Lex->exchange->skip_lines= atol($2.str);
          };
unknown's avatar
unknown committed
7042

unknown's avatar
unknown committed
7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053
opt_field_or_var_spec:
	/* empty */	          { }
	| '(' fields_or_vars ')'  { }
	| '(' ')'	          { };

fields_or_vars:
        fields_or_vars ',' field_or_var
          { Lex->field_list.push_back($3); }
        | field_or_var
          { Lex->field_list.push_back($1); }
        ;
unknown's avatar
unknown committed
7054

unknown's avatar
unknown committed
7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065
field_or_var:
        simple_ident_nospvar {$$= $1;}
        | '@' ident_or_text
          { $$= new Item_user_var_as_out_param($2); }
        ;

opt_load_data_set_spec:
        /* empty */           { }
        | SET insert_update_list  { };


unknown's avatar
unknown committed
7066 7067 7068
/* Common definitions */

text_literal:
7069
	TEXT_STRING_literal
unknown's avatar
unknown committed
7070 7071
	{
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7072
	  $$ = new Item_string($1.str,$1.length,thd->variables.collation_connection);
unknown's avatar
unknown committed
7073
	}
unknown's avatar
unknown committed
7074
	| NCHAR_STRING
7075
	{ $$=  new Item_string($1.str,$1.length,national_charset_info); }
7076
	| UNDERSCORE_CHARSET TEXT_STRING
7077
	  { $$ = new Item_string($2.str,$2.length,Lex->charset); }
7078
	| text_literal TEXT_STRING_literal
unknown's avatar
unknown committed
7079 7080
	  { ((Item_string*) $1)->append($2.str,$2.length); }
	;
unknown's avatar
unknown committed
7081 7082

text_string:
7083
	TEXT_STRING_literal
unknown's avatar
unknown committed
7084
	{ $$=  new (YYTHD->mem_root) String($1.str,$1.length,YYTHD->variables.collation_connection); }
unknown's avatar
unknown committed
7085 7086
	| HEX_NUM
	  {
unknown's avatar
unknown committed
7087
	    Item *tmp= new Item_hex_string($1.str, $1.length);
7088
	    /*
unknown's avatar
unknown committed
7089
	      it is OK only emulate fix_fields, because we need only
7090 7091 7092
              value of constant
	    */
	    $$= tmp ?
unknown's avatar
unknown committed
7093
	      tmp->quick_fix_field(), tmp->val_str((String*) 0) :
7094
	      (String*) 0;
7095
	  }
unknown's avatar
unknown committed
7096 7097 7098 7099 7100 7101 7102 7103 7104 7105
        | BIN_NUM
          {
	    Item *tmp= new Item_bin_string($1.str, $1.length);
	    /*
	      it is OK only emulate fix_fields, because we need only
              value of constant
	    */
	    $$= tmp ? tmp->quick_fix_field(), tmp->val_str((String*) 0) :
		      (String*) 0;
          }
7106 7107
	;

unknown's avatar
unknown committed
7108
param_marker:
7109
        PARAM_MARKER
unknown's avatar
unknown committed
7110
        {
7111 7112
          THD *thd=YYTHD;
	  LEX *lex= thd->lex;
7113 7114 7115
          Item_param *item= new Item_param((uint) (lex->tok_start -
                                                   (uchar *) thd->query));
          if (!($$= item) || lex->param_list.push_back(item))
unknown's avatar
unknown committed
7116
          {
7117
            my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
unknown's avatar
unknown committed
7118 7119
            YYABORT;
          }
7120 7121 7122
        }
	;

unknown's avatar
unknown committed
7123 7124 7125
signed_literal:
	literal		{ $$ = $1; }
	| '+' NUM_literal { $$ = $2; }
7126 7127
	| '-' NUM_literal
	  {
7128
	    $2->max_length++;
unknown's avatar
unknown committed
7129
	    $$= $2->neg();
7130
	  }
unknown's avatar
unknown committed
7131 7132 7133
	;


unknown's avatar
unknown committed
7134 7135
literal:
	text_literal	{ $$ =	$1; }
unknown's avatar
unknown committed
7136
	| NUM_literal	{ $$ = $1; }
unknown's avatar
unknown committed
7137
	| NULL_SYM	{ $$ =	new Item_null();
7138
			  Lex->next_state=MY_LEX_OPERATOR_OR_IDENT;}
7139 7140
	| FALSE_SYM	{ $$= new Item_int((char*) "FALSE",0,1); }
	| TRUE_SYM	{ $$= new Item_int((char*) "TRUE",1,1); }
unknown's avatar
unknown committed
7141 7142
	| HEX_NUM	{ $$ =	new Item_hex_string($1.str, $1.length);}
	| BIN_NUM	{ $$= new Item_bin_string($1.str, $1.length); }
7143
	| UNDERSCORE_CHARSET HEX_NUM
7144
	  {
unknown's avatar
unknown committed
7145
	    Item *tmp= new Item_hex_string($2.str, $2.length);
7146
	    /*
unknown's avatar
unknown committed
7147
	      it is OK only emulate fix_fieds, because we need only
7148 7149 7150
              value of constant
	    */
	    String *str= tmp ?
unknown's avatar
unknown committed
7151
	      tmp->quick_fix_field(), tmp->val_str((String*) 0) :
7152
	      (String*) 0;
unknown's avatar
unknown committed
7153 7154 7155
	    $$= new Item_string(str ? str->ptr() : "",
				str ? str->length() : 0,
				Lex->charset);
7156
	  }
unknown's avatar
unknown committed
7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170
	| UNDERSCORE_CHARSET BIN_NUM
          {
	    Item *tmp= new Item_bin_string($2.str, $2.length);
	    /*
	      it is OK only emulate fix_fieds, because we need only
              value of constant
	    */
	    String *str= tmp ?
	      tmp->quick_fix_field(), tmp->val_str((String*) 0) :
	      (String*) 0;
	    $$= new Item_string(str ? str->ptr() : "",
				str ? str->length() : 0,
				Lex->charset);
          }
unknown's avatar
unknown committed
7171 7172
	| DATE_SYM text_literal { $$ = $2; }
	| TIME_SYM text_literal { $$ = $2; }
unknown's avatar
unknown committed
7173
	| TIMESTAMP text_literal { $$ = $2; };
unknown's avatar
unknown committed
7174

7175
NUM_literal:
7176 7177
	NUM		{ int error; $$ = new Item_int($1.str, (longlong) my_strtoll10($1.str, NULL, &error), $1.length); }
	| LONG_NUM	{ int error; $$ = new Item_int($1.str, (longlong) my_strtoll10($1.str, NULL, &error), $1.length); }
7178
	| ULONGLONG_NUM	{ $$ =	new Item_uint($1.str, $1.length); }
unknown's avatar
unknown committed
7179
        | DECIMAL_NUM
7180
	{
unknown's avatar
unknown committed
7181
           $$= new Item_decimal($1.str, $1.length, YYTHD->charset());
7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194
	   if (YYTHD->net.report_error)
	   {
	     YYABORT;
	   }
	}
	| FLOAT_NUM
	{
	   $$ =	new Item_float($1.str, $1.length);
	   if (YYTHD->net.report_error)
	   {
	     YYABORT;
	   }
	}
7195
	;
unknown's avatar
unknown committed
7196

unknown's avatar
unknown committed
7197
/**********************************************************************
unknown's avatar
unknown committed
7198
** Creating different items.
unknown's avatar
unknown committed
7199 7200 7201
**********************************************************************/

insert_ident:
7202
	simple_ident_nospvar { $$=$1; }
unknown's avatar
unknown committed
7203
	| table_wild	 { $$=$1; };
unknown's avatar
unknown committed
7204 7205

table_wild:
unknown's avatar
unknown committed
7206
	ident '.' '*'
7207
	{
7208
          SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
7209
	  $$ = new Item_field(Lex->current_context(), NullS, $1.str, "*");
7210
	  sel->with_wild++;
7211
	}
unknown's avatar
unknown committed
7212
	| ident '.' ident '.' '*'
7213
	{
7214
          SELECT_LEX *sel= Select;
unknown's avatar
unknown committed
7215
	  $$ = new Item_field(Lex->current_context(), (YYTHD->client_capabilities &
unknown's avatar
unknown committed
7216 7217
                             CLIENT_NO_SCHEMA ? NullS : $1.str),
                             $3.str,"*");
7218
	  sel->with_wild++;
7219 7220
	}
	;
unknown's avatar
unknown committed
7221 7222

order_ident:
unknown's avatar
unknown committed
7223
	expr { $$=$1; };
unknown's avatar
unknown committed
7224 7225

simple_ident:
7226 7227 7228 7229 7230 7231
	ident
	{
	  sp_pvar_t *spv;
	  LEX *lex = Lex;
          sp_pcontext *spc = lex->spcont;
	  if (spc && (spv = spc->find_pvar(&$1)))
7232 7233 7234
	  {
            /* We're compiling a stored procedure and found a variable */
            Item_splocal *splocal;
7235 7236
            splocal= new Item_splocal($1, spv->offset, spv->type,
                                      lex->tok_start_prev - 
7237
                                      lex->sphead->m_tmp_query);
unknown's avatar
unknown committed
7238
#ifndef DBUG_OFF
7239
            if (splocal)
7240
              splocal->m_sp= lex->sphead;
7241
#endif
7242
	    $$ = (Item*) splocal;
7243 7244 7245 7246 7247 7248 7249 7250
            lex->variables_used= 1;
	    lex->safe_to_cache_query=0;
	  }
	  else
	  {
	    SELECT_LEX *sel=Select;
	    $$= (sel->parsing_place != IN_HAVING ||
	         sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7251 7252
                 (Item*) new Item_field(Lex->current_context(), NullS, NullS, $1.str) :
	         (Item*) new Item_ref(Lex->current_context(), NullS, NullS, $1.str);
7253 7254 7255 7256 7257 7258
	  }
        }
        | simple_ident_q { $$= $1; }
	;

simple_ident_nospvar:
unknown's avatar
unknown committed
7259
	ident
unknown's avatar
unknown committed
7260
	{
unknown's avatar
unknown committed
7261
	  SELECT_LEX *sel=Select;
7262
	  $$= (sel->parsing_place != IN_HAVING ||
unknown's avatar
unknown committed
7263
	       sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7264 7265
              (Item*) new Item_field(Lex->current_context(), NullS, NullS, $1.str) :
	      (Item*) new Item_ref(Lex->current_context(), NullS, NullS, $1.str);
unknown's avatar
unknown committed
7266
	}
7267
	| simple_ident_q { $$= $1; }
unknown's avatar
unknown committed
7268
	;
7269 7270 7271

simple_ident_q:
	ident '.' ident
unknown's avatar
unknown committed
7272
	{
unknown's avatar
unknown committed
7273
	  THD *thd= YYTHD;
7274
	  LEX *lex= thd->lex;
unknown's avatar
unknown committed
7275

7276 7277 7278 7279 7280 7281
          /*
            FIXME This will work ok in simple_ident_nospvar case because
            we can't meet simple_ident_nospvar in trigger now. But it
            should be changed in future.
          */
          if (lex->sphead && lex->sphead->m_type == TYPE_ENUM_TRIGGER &&
unknown's avatar
unknown committed
7282
              (!my_strcasecmp(system_charset_info, $1.str, "NEW") ||
7283 7284
               !my_strcasecmp(system_charset_info, $1.str, "OLD")))
          {
7285
            Item_trigger_field *trg_fld;
7286
            bool new_row= ($1.str[0]=='N' || $1.str[0]=='n');
unknown's avatar
unknown committed
7287

7288 7289 7290
            if (lex->trg_chistics.event == TRG_EVENT_INSERT &&
                !new_row)
            {
unknown's avatar
unknown committed
7291
              my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0), "OLD", "on INSERT");
7292 7293
              YYABORT;
            }
unknown's avatar
unknown committed
7294

7295 7296 7297
            if (lex->trg_chistics.event == TRG_EVENT_DELETE &&
                new_row)
            {
unknown's avatar
unknown committed
7298
              my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0), "NEW", "on DELETE");
7299 7300
              YYABORT;
            }
unknown's avatar
unknown committed
7301

unknown's avatar
unknown committed
7302
            if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
7303
                                                  new_row ?
7304 7305
                                                  Item_trigger_field::NEW_ROW:
                                                  Item_trigger_field::OLD_ROW,
unknown's avatar
unknown committed
7306 7307
                                                  $3.str,
                                                  Item_trigger_field::AT_READ)))
7308
              YYABORT;
unknown's avatar
unknown committed
7309

7310 7311 7312 7313 7314 7315
            /*
              Let us add this item to list of all Item_trigger_field objects
              in trigger.
            */
            lex->trg_table_fields.link_in_list((byte *)trg_fld,
              (byte**)&trg_fld->next_trg_field);
unknown's avatar
unknown committed
7316

7317 7318 7319 7320 7321 7322 7323
            $$= (Item *)trg_fld;
          }
          else
          {
	    SELECT_LEX *sel= lex->current_select;
	    if (sel->no_table_names_allowed)
	    {
7324 7325
	      my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                       MYF(0), $1.str, thd->where);
7326 7327 7328
	    }
	    $$= (sel->parsing_place != IN_HAVING ||
	         sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7329 7330
	        (Item*) new Item_field(Lex->current_context(), NullS, $1.str, $3.str) :
	        (Item*) new Item_ref(Lex->current_context(), NullS, $1.str, $3.str);
7331 7332
          }
        }
unknown's avatar
unknown committed
7333
	| '.' ident '.' ident
unknown's avatar
unknown committed
7334
	{
unknown's avatar
unknown committed
7335
	  THD *thd= YYTHD;
7336
	  LEX *lex= thd->lex;
unknown's avatar
unknown committed
7337
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
7338 7339
	  if (sel->no_table_names_allowed)
	  {
7340 7341
	    my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                     MYF(0), $2.str, thd->where);
unknown's avatar
unknown committed
7342
	  }
7343
	  $$= (sel->parsing_place != IN_HAVING ||
unknown's avatar
unknown committed
7344
	       sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7345 7346
	      (Item*) new Item_field(Lex->current_context(), NullS, $2.str, $4.str) :
              (Item*) new Item_ref(Lex->current_context(), NullS, $2.str, $4.str);
unknown's avatar
unknown committed
7347
	}
unknown's avatar
unknown committed
7348
	| ident '.' ident '.' ident
unknown's avatar
unknown committed
7349
	{
unknown's avatar
unknown committed
7350
	  THD *thd= YYTHD;
7351
	  LEX *lex= thd->lex;
unknown's avatar
unknown committed
7352
	  SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
7353 7354
	  if (sel->no_table_names_allowed)
	  {
7355 7356
	    my_error(ER_TABLENAME_NOT_ALLOWED_HERE,
                     MYF(0), $3.str, thd->where);
unknown's avatar
unknown committed
7357
	  }
7358
	  $$= (sel->parsing_place != IN_HAVING ||
unknown's avatar
unknown committed
7359
	       sel->get_in_sum_expr() > 0) ?
unknown's avatar
unknown committed
7360
	      (Item*) new Item_field(Lex->current_context(),
7361
                                     (YYTHD->client_capabilities &
unknown's avatar
unknown committed
7362 7363
				      CLIENT_NO_SCHEMA ? NullS : $1.str),
				     $3.str, $5.str) :
unknown's avatar
unknown committed
7364
	      (Item*) new Item_ref(Lex->current_context(),
7365
                                   (YYTHD->client_capabilities &
7366
				    CLIENT_NO_SCHEMA ? NullS : $1.str),
unknown's avatar
unknown committed
7367
                                   $3.str, $5.str);
unknown's avatar
unknown committed
7368
	};
unknown's avatar
unknown committed
7369 7370 7371 7372


field_ident:
	ident			{ $$=$1;}
7373 7374 7375 7376 7377
	| ident '.' ident '.' ident
          {
            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
            if (my_strcasecmp(table_alias_charset, $1.str, table->db))
            {
7378
              my_error(ER_WRONG_DB_NAME, MYF(0), $1.str);
7379 7380
              YYABORT;
            }
7381 7382
            if (my_strcasecmp(table_alias_charset, $3.str,
                              table->table_name))
7383
            {
7384
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $3.str);
7385 7386 7387 7388 7389 7390 7391 7392 7393
              YYABORT;
            }
            $$=$5;
          }
	| ident '.' ident
          {
            TABLE_LIST *table= (TABLE_LIST*) Select->table_list.first;
            if (my_strcasecmp(table_alias_charset, $1.str, table->alias))
            {
7394
              my_error(ER_WRONG_TABLE_NAME, MYF(0), $1.str);
7395 7396 7397 7398
              YYABORT;
            }
            $$=$3;
          }
unknown's avatar
unknown committed
7399
	| '.' ident		{ $$=$2;}	/* For Delphi */;
unknown's avatar
unknown committed
7400 7401 7402

table_ident:
	ident			{ $$=new Table_ident($1); }
unknown's avatar
unknown committed
7403
	| ident '.' ident	{ $$=new Table_ident(YYTHD, $1,$3,0);}
7404 7405 7406
	| '.' ident		{ $$=new Table_ident($2);} /* For Delphi */
        ;

unknown's avatar
unknown committed
7407
table_ident_nodb:
unknown's avatar
unknown committed
7408
	ident			{ LEX_STRING db={(char*) any_db,3}; $$=new Table_ident(YYTHD, db,$1,0); }
7409
        ;
unknown's avatar
unknown committed
7410

unknown's avatar
unknown committed
7411
IDENT_sys:
7412 7413 7414 7415 7416
	IDENT { $$= $1; }
	| IDENT_QUOTED
	  {
	    THD *thd= YYTHD;
	    if (thd->charset_is_system_charset)
7417 7418
            {
              CHARSET_INFO *cs= system_charset_info;
7419
              int dummy_error;
7420 7421
              uint wlen= cs->cset->well_formed_len(cs, $1.str,
                                                   $1.str+$1.length,
7422
                                                   $1.length, &dummy_error);
7423 7424
              if (wlen < $1.length)
              {
7425 7426
                my_error(ER_INVALID_CHARACTER_STRING, MYF(0),
                         cs->csname, $1.str + wlen);
7427 7428
                YYABORT;
              }
7429
	      $$= $1;
7430
            }
7431 7432 7433 7434
	    else
	      thd->convert_string(&$$, system_charset_info,
				  $1.str, $1.length, thd->charset());
	  }
unknown's avatar
unknown committed
7435 7436 7437 7438 7439 7440
	;

TEXT_STRING_sys:
	TEXT_STRING
	{
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7441 7442
	  if (thd->charset_is_system_charset)
	    $$= $1;
unknown's avatar
unknown committed
7443
	  else
unknown's avatar
unknown committed
7444 7445
	    thd->convert_string(&$$, system_charset_info,
				$1.str, $1.length, thd->charset());
unknown's avatar
unknown committed
7446 7447 7448
	}
	;

7449
TEXT_STRING_literal:
unknown's avatar
unknown committed
7450 7451 7452
	TEXT_STRING
	{
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
7453 7454
	  if (thd->charset_is_collation_connection)
	    $$= $1;
unknown's avatar
unknown committed
7455
	  else
unknown's avatar
unknown committed
7456 7457
	    thd->convert_string(&$$, thd->variables.collation_connection,
				$1.str, $1.length, thd->charset());
unknown's avatar
unknown committed
7458 7459 7460 7461
	}
	;


unknown's avatar
unknown committed
7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473
TEXT_STRING_filesystem:
	TEXT_STRING
	{
	  THD *thd= YYTHD;
	  if (thd->charset_is_character_set_filesystem)
	    $$= $1;
	  else
	    thd->convert_string(&$$, thd->variables.character_set_filesystem,
				$1.str, $1.length, thd->charset());
	}
	;

unknown's avatar
unknown committed
7474
ident:
unknown's avatar
unknown committed
7475
	IDENT_sys	    { $$=$1; }
unknown's avatar
unknown committed
7476 7477
	| keyword
	{
unknown's avatar
unknown committed
7478 7479 7480
	  THD *thd= YYTHD;
	  $$.str=    thd->strmake($1.str, $1.length);
	  $$.length= $1.length;
7481 7482
	}
	;
unknown's avatar
unknown committed
7483

7484 7485 7486 7487 7488 7489 7490 7491 7492 7493
label_ident:
	IDENT_sys	    { $$=$1; }
	| keyword_sp
	{
	  THD *thd= YYTHD;
	  $$.str=    thd->strmake($1.str, $1.length);
	  $$.length= $1.length;
	}
	;

unknown's avatar
unknown committed
7494
ident_or_text:
unknown's avatar
unknown committed
7495
        ident                   { $$=$1;}
unknown's avatar
unknown committed
7496 7497
	| TEXT_STRING_sys	{ $$=$1;}
	| LEX_HOSTNAME		{ $$=$1;};
unknown's avatar
unknown committed
7498 7499 7500 7501

user:
	ident_or_text
	{
unknown's avatar
unknown committed
7502 7503
	  THD *thd= YYTHD;
	  if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
unknown's avatar
unknown committed
7504
	    YYABORT;
7505 7506 7507 7508
	  $$->user = $1;
	  $$->host.str= (char *) "%";
	  $$->host.length= 1;
	}
unknown's avatar
unknown committed
7509 7510
	| ident_or_text '@' ident_or_text
	  {
unknown's avatar
unknown committed
7511 7512
	    THD *thd= YYTHD;
	    if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
unknown's avatar
unknown committed
7513 7514
	      YYABORT;
	    $$->user = $1; $$->host=$3;
7515
	  }
unknown's avatar
unknown committed
7516
	| CURRENT_USER optional_braces
7517 7518
	{
          THD *thd= YYTHD;
7519
          Security_context *sctx= thd->security_ctx;
7520 7521
          if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
            YYABORT;
7522 7523 7524
          $$->user.str= sctx->priv_user;
          $$->user.length= strlen(sctx->priv_user);
          if (*sctx->priv_host != 0)
7525
          {
7526 7527
            $$->host.str= sctx->priv_host;
            $$->host.length= strlen(sctx->priv_host);
7528 7529 7530 7531 7532 7533 7534
          }
          else
          {
            $$->host.str= (char *) "%";
            $$->host.length= 1;
          }
	};
unknown's avatar
unknown committed
7535

7536
/* Keyword that we allow for identifiers (except SP labels) */
unknown's avatar
unknown committed
7537
keyword:
7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577
	keyword_sp		{}
	| ASCII_SYM		{}
	| BACKUP_SYM		{}
	| BEGIN_SYM		{}
	| BYTE_SYM		{}
	| CACHE_SYM		{}
	| CHARSET		{}
	| CHECKSUM_SYM		{}
	| CLOSE_SYM		{}
	| COMMENT_SYM		{}
	| COMMIT_SYM		{}
	| CONTAINS_SYM          {}
        | DEALLOCATE_SYM        {}
	| DO_SYM		{}
	| END			{}
	| EXECUTE_SYM		{}
	| FLUSH_SYM		{}
	| HANDLER_SYM		{}
	| HELP_SYM		{}
	| LANGUAGE_SYM          {}
	| NO_SYM		{}
	| OPEN_SYM		{}
        | PREPARE_SYM           {}
	| REPAIR		{}
	| RESET_SYM		{}
	| RESTORE_SYM		{}
	| ROLLBACK_SYM		{}
	| SAVEPOINT_SYM		{}
	| SECURITY_SYM		{}
	| SIGNED_SYM		{}
	| SLAVE			{}
	| START_SYM		{}
	| STOP_SYM		{}
	| TRUNCATE_SYM		{}
	| UNICODE_SYM		{}
        | XA_SYM                {}
	;

/*
 * Keywords that we allow for labels in SPs.
unknown's avatar
unknown committed
7578 7579 7580
 * Anything that's the beginning of a statement or characteristics
 * must be in keyword above, otherwise we get (harmful) shift/reduce
 * conflicts.
7581 7582
 */
keyword_sp:
unknown's avatar
unknown committed
7583
	ACTION			{}
unknown's avatar
unknown committed
7584
	| ADDDATE_SYM		{}
unknown's avatar
unknown committed
7585
	| AFTER_SYM		{}
7586
	| AGAINST		{}
unknown's avatar
unknown committed
7587
	| AGGREGATE_SYM		{}
7588
	| ALGORITHM_SYM		{}
unknown's avatar
unknown committed
7589
	| ANY_SYM		{}
unknown's avatar
unknown committed
7590
	| AUTO_INC		{}
unknown's avatar
unknown committed
7591 7592
	| AVG_ROW_LENGTH	{}
	| AVG_SYM		{}
unknown's avatar
unknown committed
7593
	| BERKELEY_DB_SYM	{}
unknown's avatar
unknown committed
7594
	| BINLOG_SYM		{}
unknown's avatar
unknown committed
7595 7596
	| BIT_SYM		{}
	| BOOL_SYM		{}
unknown's avatar
unknown committed
7597
	| BOOLEAN_SYM		{}
unknown's avatar
unknown committed
7598
	| BTREE_SYM		{}
7599
	| CASCADED              {}
unknown's avatar
unknown committed
7600
	| CHAIN_SYM		{}
7601
	| CHANGED		{}
7602
	| CIPHER_SYM		{}
unknown's avatar
unknown committed
7603
	| CLIENT_SYM		{}
unknown's avatar
unknown committed
7604
        | CODE_SYM              {}
unknown's avatar
unknown committed
7605
	| COLLATION_SYM		{}
7606
        | COLUMNS               {}
unknown's avatar
unknown committed
7607
	| COMMITTED_SYM		{}
7608
	| COMPACT_SYM		{}
unknown's avatar
unknown committed
7609
	| COMPRESSED_SYM	{}
unknown's avatar
unknown committed
7610
	| CONCURRENT		{}
7611
	| CONSISTENT_SYM	{}
7612
	| CUBE_SYM		{}
unknown's avatar
unknown committed
7613 7614 7615 7616
	| DATA_SYM		{}
	| DATETIME		{}
	| DATE_SYM		{}
	| DAY_SYM		{}
7617
	| DEFINER_SYM		{}
unknown's avatar
unknown committed
7618
	| DELAY_KEY_WRITE_SYM	{}
unknown's avatar
unknown committed
7619 7620
	| DES_KEY_FILE		{}
	| DIRECTORY_SYM		{}
unknown's avatar
unknown committed
7621
	| DISCARD		{}
unknown's avatar
unknown committed
7622 7623
	| DUMPFILE		{}
	| DUPLICATE_SYM		{}
unknown's avatar
unknown committed
7624 7625
	| DYNAMIC_SYM		{}
	| ENUM			{}
unknown's avatar
unknown committed
7626
	| ENGINE_SYM		{}
unknown's avatar
unknown committed
7627
	| ENGINES_SYM		{}
7628
	| ERRORS		{}
unknown's avatar
unknown committed
7629
	| ESCAPE_SYM		{}
unknown's avatar
unknown committed
7630
	| EVENTS_SYM		{}
7631
        | EXPANSION_SYM         {}
unknown's avatar
unknown committed
7632
	| EXTENDED_SYM		{}
7633
	| FAST_SYM		{}
7634
	| FOUND_SYM		{}
unknown's avatar
unknown committed
7635 7636
	| DISABLE_SYM		{}
	| ENABLE_SYM		{}
unknown's avatar
unknown committed
7637
	| FULL			{}
unknown's avatar
unknown committed
7638 7639 7640
	| FILE_SYM		{}
	| FIRST_SYM		{}
	| FIXED_SYM		{}
7641
	| FRAC_SECOND_SYM	{}
7642
	| GEOMETRY_SYM		{}
7643
	| GEOMETRYCOLLECTION	{}
7644
	| GET_FORMAT		{}
unknown's avatar
unknown committed
7645
	| GRANTS		{}
unknown's avatar
unknown committed
7646
	| GLOBAL_SYM		{}
unknown's avatar
unknown committed
7647
	| HASH_SYM		{}
unknown's avatar
unknown committed
7648 7649 7650
	| HOSTS_SYM		{}
	| HOUR_SYM		{}
	| IDENTIFIED_SYM	{}
7651
	| INVOKER_SYM		{}
unknown's avatar
unknown committed
7652
	| IMPORT		{}
unknown's avatar
unknown committed
7653
	| INDEXES		{}
unknown's avatar
unknown committed
7654
	| ISOLATION		{}
unknown's avatar
unknown committed
7655
	| ISSUER_SYM		{}
unknown's avatar
unknown committed
7656
	| INNOBASE_SYM		{}
7657
	| INSERT_METHOD		{}
unknown's avatar
unknown committed
7658
	| RELAY_THREAD		{}
7659
	| LAST_SYM		{}
unknown's avatar
unknown committed
7660
	| LEAVES                {}
unknown's avatar
unknown committed
7661
	| LEVEL_SYM		{}
7662
	| LINESTRING		{}
unknown's avatar
unknown committed
7663
	| LOCAL_SYM		{}
unknown's avatar
unknown committed
7664
	| LOCKS_SYM		{}
unknown's avatar
unknown committed
7665 7666 7667 7668 7669 7670 7671 7672 7673
	| 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	{}
unknown's avatar
unknown committed
7674
	| MASTER_SERVER_ID_SYM  {}
unknown's avatar
unknown committed
7675
	| MASTER_CONNECT_RETRY_SYM	{}
unknown's avatar
unknown committed
7676 7677 7678 7679 7680 7681
	| MASTER_SSL_SYM	{}
	| MASTER_SSL_CA_SYM	{}
	| MASTER_SSL_CAPATH_SYM	{}
	| MASTER_SSL_CERT_SYM	{}
	| MASTER_SSL_CIPHER_SYM	{}
	| MASTER_SSL_KEY_SYM	{}
unknown's avatar
unknown committed
7682 7683 7684
	| MAX_CONNECTIONS_PER_HOUR	 {}
	| MAX_QUERIES_PER_HOUR	{}
	| MAX_UPDATES_PER_HOUR	{}
7685
	| MAX_USER_CONNECTIONS_SYM {}
7686
	| MEDIUM_SYM		{}
7687
	| MERGE_SYM		{}
unknown's avatar
unknown committed
7688
	| MICROSECOND_SYM	{}
7689
        | MIGRATE_SYM           {}
unknown's avatar
unknown committed
7690 7691 7692
	| MINUTE_SYM		{}
	| MIN_ROWS		{}
	| MODIFY_SYM		{}
unknown's avatar
unknown committed
7693
	| MODE_SYM		{}
unknown's avatar
unknown committed
7694
	| MONTH_SYM		{}
7695 7696 7697
	| MULTILINESTRING	{}
	| MULTIPOINT		{}
	| MULTIPOLYGON		{}
7698
        | MUTEX_SYM             {}
7699
	| NAME_SYM              {}
unknown's avatar
unknown committed
7700
	| NAMES_SYM		{}
unknown's avatar
unknown committed
7701 7702
	| NATIONAL_SYM		{}
	| NCHAR_SYM		{}
unknown's avatar
unknown committed
7703
	| NDBCLUSTER_SYM	{}
7704
	| NEXT_SYM		{}
unknown's avatar
unknown committed
7705
	| NEW_SYM		{}
7706
	| NONE_SYM		{}
unknown's avatar
unknown committed
7707
	| NVARCHAR_SYM		{}
unknown's avatar
unknown committed
7708
	| OFFSET_SYM		{}
unknown's avatar
unknown committed
7709
	| OLD_PASSWORD		{}
7710
	| ONE_SHOT_SYM		{}
7711
        | ONE_SYM               {}
unknown's avatar
unknown committed
7712
	| PACK_KEYS_SYM		{}
7713
	| PARTIAL		{}
unknown's avatar
unknown committed
7714
	| PASSWORD		{}
7715
        | PHASE_SYM             {}
7716
	| POINT_SYM		{}
7717
	| POLYGON		{}
7718
	| PREV_SYM		{}
7719
        | PRIVILEGES            {}
unknown's avatar
unknown committed
7720 7721
	| PROCESS		{}
	| PROCESSLIST_SYM	{}
7722
	| QUARTER_SYM		{}
unknown's avatar
unknown committed
7723
	| QUERY_SYM		{}
7724
	| QUICK			{}
unknown's avatar
unknown committed
7725
	| RAID_0_SYM		{}
unknown's avatar
unknown committed
7726 7727
	| RAID_CHUNKS		{}
	| RAID_CHUNKSIZE	{}
unknown's avatar
unknown committed
7728
	| RAID_STRIPED_SYM	{}
unknown's avatar
unknown committed
7729
	| RAID_TYPE		{}
7730
        | RECOVER_SYM           {}
unknown's avatar
unknown committed
7731
        | REDUNDANT_SYM         {}
unknown's avatar
unknown committed
7732 7733
	| RELAY_LOG_FILE_SYM	{}
	| RELAY_LOG_POS_SYM	{}
unknown's avatar
unknown committed
7734
	| RELOAD		{}
unknown's avatar
unknown committed
7735
	| REPEATABLE_SYM	{}
unknown's avatar
unknown committed
7736
	| REPLICATION		{}
7737
	| RESOURCES		{}
7738
        | RESUME_SYM            {}
7739
	| RETURNS_SYM           {}
7740
	| ROLLUP_SYM		{}
7741
	| ROUTINE_SYM		{}
unknown's avatar
unknown committed
7742 7743 7744
	| ROWS_SYM		{}
	| ROW_FORMAT_SYM	{}
	| ROW_SYM		{}
unknown's avatar
unknown committed
7745
	| RTREE_SYM		{}
unknown's avatar
unknown committed
7746
	| SECOND_SYM		{}
7747
	| SERIAL_SYM		{}
unknown's avatar
unknown committed
7748 7749
	| SERIALIZABLE_SYM	{}
	| SESSION_SYM		{}
7750
	| SIMPLE_SYM		{}
unknown's avatar
unknown committed
7751
	| SHARE_SYM		{}
unknown's avatar
unknown committed
7752
	| SHUTDOWN		{}
7753
	| SNAPSHOT_SYM		{}
unknown's avatar
unknown committed
7754
	| SOUNDS_SYM		{}
unknown's avatar
unknown committed
7755
	| SQL_CACHE_SYM		{}
unknown's avatar
unknown committed
7756
	| SQL_BUFFER_RESULT	{}
unknown's avatar
unknown committed
7757
	| SQL_NO_CACHE_SYM	{}
unknown's avatar
unknown committed
7758
	| SQL_THREAD		{}
unknown's avatar
unknown committed
7759
	| STATUS_SYM		{}
unknown's avatar
unknown committed
7760
	| STORAGE_SYM		{}
unknown's avatar
unknown committed
7761
	| STRING_SYM		{}
unknown's avatar
unknown committed
7762
	| SUBDATE_SYM		{}
unknown's avatar
unknown committed
7763
	| SUBJECT_SYM		{}
unknown's avatar
unknown committed
7764
	| SUPER_SYM		{}
7765
        | SUSPEND_SYM           {}
7766
        | TABLES                {}
unknown's avatar
unknown committed
7767
	| TABLESPACE		{}
unknown's avatar
unknown committed
7768
	| TEMPORARY		{}
7769
	| TEMPTABLE_SYM		{}
unknown's avatar
unknown committed
7770
	| TEXT_SYM		{}
unknown's avatar
unknown committed
7771
	| TRANSACTION_SYM	{}
7772
	| TRIGGERS_SYM		{}
unknown's avatar
unknown committed
7773
	| TIMESTAMP		{}
7774 7775
	| TIMESTAMP_ADD		{}
	| TIMESTAMP_DIFF	{}
unknown's avatar
unknown committed
7776
	| TIME_SYM		{}
unknown's avatar
unknown committed
7777
	| TYPES_SYM		{}
7778
        | TYPE_SYM              {}
unknown's avatar
unknown committed
7779
        | UDF_RETURNS_SYM       {}
7780
	| FUNCTION_SYM		{}
unknown's avatar
unknown committed
7781
	| UNCOMMITTED_SYM	{}
7782
	| UNDEFINED_SYM		{}
7783
	| UNKNOWN_SYM		{}
7784
	| UNTIL_SYM		{}
7785
	| USER			{}
unknown's avatar
unknown committed
7786
	| USE_FRM		{}
unknown's avatar
unknown committed
7787
	| VARIABLES		{}
7788
	| VIEW_SYM		{}
7789
	| VALUE_SYM		{}
7790
	| WARNINGS		{}
7791
	| WEEK_SYM		{}
unknown's avatar
unknown committed
7792
	| WORK_SYM		{}
7793
	| X509_SYM		{}
unknown's avatar
unknown committed
7794 7795
	| YEAR_SYM		{}
	;
unknown's avatar
unknown committed
7796 7797 7798 7799 7800 7801

/* Option functions */

set:
	SET opt_option
	{
unknown's avatar
unknown committed
7802 7803
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_SET_OPTION;
unknown's avatar
unknown committed
7804
	  mysql_init_select(lex);
7805
	  lex->option_type=OPT_SESSION;
unknown's avatar
unknown committed
7806
	  lex->var_list.empty();
7807
          lex->one_shot_set= 0;
unknown's avatar
unknown committed
7808
	}
7809 7810 7811
	option_value_list
	{}
	;
unknown's avatar
unknown committed
7812 7813 7814

opt_option:
	/* empty */ {}
unknown's avatar
unknown committed
7815
	| OPTION {};
unknown's avatar
unknown committed
7816 7817

option_value_list:
7818 7819 7820 7821 7822 7823 7824 7825 7826 7827
	option_type_value
	| option_value_list ',' option_type_value;

option_type_value:
        {
          if (Lex->sphead)
          {
            /*
              If we are in SP we want have own LEX for each assignment.
              This is mostly because it is hard for several sp_instr_set
unknown's avatar
unknown committed
7828 7829
              and sp_instr_set_trigger instructions share one LEX.
              (Well, it is theoretically possible but adds some extra
7830 7831 7832 7833 7834 7835 7836 7837
               overhead on preparation for execution stage and IMO less
               robust).

              QQ: May be we should simply prohibit group assignments in SP?
            */
            LEX *lex;
            Lex->sphead->reset_lex(YYTHD);
            lex= Lex;
unknown's avatar
unknown committed
7838

7839 7840 7841 7842 7843 7844 7845 7846 7847
            /* Set new LEX as if we at start of set rule. */
	    lex->sql_command= SQLCOM_SET_OPTION;
	    mysql_init_select(lex);
	    lex->option_type=OPT_SESSION;
	    lex->var_list.empty();
            lex->one_shot_set= 0;
	    lex->sphead->m_tmp_query= lex->tok_start;
          }
        }
7848
	ext_option_value
7849 7850
        {
          LEX *lex= Lex;
unknown's avatar
unknown committed
7851

7852 7853 7854
          if (lex->sphead)
          {
            sp_head *sp= lex->sphead;
unknown's avatar
unknown committed
7855

7856 7857 7858 7859 7860 7861 7862 7863 7864
	    if (!lex->var_list.is_empty())
	    {
              /*
                We have assignment to user or system variable or
                option setting, so we should construct sp_instr_stmt
                for it.
              */
              LEX_STRING qbuff;
	      sp_instr_stmt *i;
unknown's avatar
unknown committed
7865

7866 7867 7868
              if (!(i= new sp_instr_stmt(sp->instructions(), lex->spcont,
                                         lex)))
                YYABORT;
unknown's avatar
unknown committed
7869

7870 7871 7872 7873
              if (lex->ptr - lex->tok_end > 1)
                qbuff.length= lex->ptr - sp->m_tmp_query;
              else
                qbuff.length= lex->tok_end - sp->m_tmp_query;
unknown's avatar
unknown committed
7874

7875 7876
              if (!(qbuff.str= alloc_root(YYTHD->mem_root, qbuff.length + 5)))
                YYABORT;
unknown's avatar
unknown committed
7877

7878 7879 7880 7881 7882 7883 7884 7885 7886
              strmake(strmake(qbuff.str, "SET ", 4), (char *)sp->m_tmp_query,
                      qbuff.length);
              qbuff.length+= 4;
              i->m_query= qbuff;
              sp->add_instr(i);
            }
            lex->sphead->restore_lex(YYTHD);
          }
        };
unknown's avatar
unknown committed
7887 7888

option_type:
7889 7890 7891 7892 7893 7894 7895 7896 7897
        option_type2    {}
	| GLOBAL_SYM	{ $$=OPT_GLOBAL; }
	| LOCAL_SYM	{ $$=OPT_SESSION; }
	| SESSION_SYM	{ $$=OPT_SESSION; }
	;

option_type2:
	/* empty */	{ $$= OPT_DEFAULT; }
	| ONE_SHOT_SYM	{ Lex->one_shot_set= 1; $$= OPT_SESSION; }
unknown's avatar
unknown committed
7898 7899 7900 7901
	;

opt_var_type:
	/* empty */	{ $$=OPT_SESSION; }
unknown's avatar
unknown committed
7902
	| GLOBAL_SYM	{ $$=OPT_GLOBAL; }
unknown's avatar
unknown committed
7903 7904 7905 7906 7907 7908
	| LOCAL_SYM	{ $$=OPT_SESSION; }
	| SESSION_SYM	{ $$=OPT_SESSION; }
	;

opt_var_ident_type:
	/* empty */		{ $$=OPT_DEFAULT; }
unknown's avatar
unknown committed
7909
	| GLOBAL_SYM '.'	{ $$=OPT_GLOBAL; }
unknown's avatar
unknown committed
7910 7911 7912
	| LOCAL_SYM '.'		{ $$=OPT_SESSION; }
	| SESSION_SYM '.'	{ $$=OPT_SESSION; }
	;
unknown's avatar
unknown committed
7913

7914 7915 7916
ext_option_value:
        sys_option_value
        | option_type2 option_value;
7917

7918 7919 7920 7921
sys_option_value:
        option_type internal_variable_name equal set_expr_or_default
        {
          LEX *lex=Lex;
7922

7923 7924 7925 7926
          if ($2.var == &trg_new_row_fake_var)
          {
            /* We are in trigger and assigning value to field of new row */
            Item *it;
7927
            Item_trigger_field *trg_fld;
7928 7929
            sp_instr_set_trigger_field *sp_fld;
	    LINT_INIT(sp_fld);
7930 7931 7932 7933
            if ($1)
            {
              yyerror(ER(ER_SYNTAX_ERROR));
              YYABORT;
7934
            }
7935 7936
            if ($4)
              it= $4;
7937
            else
7938 7939 7940 7941
            {
              /* QQ: Shouldn't this be field's default value ? */
              it= new Item_null();
            }
7942

unknown's avatar
unknown committed
7943
            if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
7944
                                                  Item_trigger_field::NEW_ROW,
unknown's avatar
unknown committed
7945 7946 7947
                                                  $2.base_name.str,
                                                  Item_trigger_field::AT_UPDATE)
                                                  ) ||
7948 7949 7950 7951 7952
                !(sp_fld= new sp_instr_set_trigger_field(lex->sphead->
                          	                         instructions(),
                                	                 lex->spcont,
							 trg_fld,
                                        	         it, lex)))
7953
              YYABORT;
7954

7955 7956 7957 7958
            /*
              Let us add this item to list of all Item_trigger_field
              objects in trigger.
            */
7959 7960
            lex->trg_table_fields.link_in_list((byte *)trg_fld,
                                    (byte **)&trg_fld->next_trg_field);
7961

7962
            lex->sphead->add_instr(sp_fld);
7963 7964 7965 7966
          }
          else if ($2.var)
          { /* System variable */
            if ($1)
7967
              lex->option_type= $1;
7968 7969 7970 7971 7972 7973 7974 7975
            lex->var_list.push_back(new set_var(lex->option_type, $2.var,
                                    &$2.base_name, $4));
          }
          else
          {
            /* An SP local variable */
            sp_pcontext *ctx= lex->spcont;
            sp_pvar_t *spv;
7976
            sp_instr_set *sp_set;
7977 7978 7979 7980 7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991
            Item *it;
            if ($1)
            {
              yyerror(ER(ER_SYNTAX_ERROR));
              YYABORT;
            }

            spv= ctx->find_pvar(&$2.base_name);

            if ($4)
              it= $4;
            else if (spv->dflt)
              it= spv->dflt;
            else
              it= new Item_null();
7992 7993 7994
            sp_set= new sp_instr_set(lex->sphead->instructions(), ctx,
                                     spv->offset, it, spv->type, lex, TRUE);
            lex->sphead->add_instr(sp_set);
7995 7996 7997 7998 7999
          }
        }
        | option_type TRANSACTION_SYM ISOLATION LEVEL_SYM isolation_types
	{
	  LEX *lex=Lex;
8000
          if ($1)
8001
            lex->option_type= $1;
8002 8003 8004 8005 8006 8007 8008 8009 8010 8011 8012 8013
	  lex->var_list.push_back(new set_var(lex->option_type,
                                              find_sys_var("tx_isolation"),
                                              &null_lex_str,
                                              new Item_int((int32) $5)));
	}
        ;

option_value:
	'@' ident_or_text equal expr
	{
          Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
	}
unknown's avatar
unknown committed
8014
	| '@' '@' opt_var_ident_type internal_variable_name equal set_expr_or_default
unknown's avatar
unknown committed
8015 8016
	  {
	    LEX *lex=Lex;
8017
	    lex->var_list.push_back(new set_var($3, $4.var, &$4.base_name, $6));
unknown's avatar
unknown committed
8018
	  }
8019
	| charset old_or_new_charset_name_or_default
unknown's avatar
unknown committed
8020
	{
unknown's avatar
unknown committed
8021
	  THD *thd= YYTHD;
unknown's avatar
unknown committed
8022
	  LEX *lex= Lex;
8023
	  $2= $2 ? $2: global_system_variables.character_set_client;
8024
	  lex->var_list.push_back(new set_var_collation_client($2,thd->variables.collation_database,$2));
unknown's avatar
unknown committed
8025
	}
8026 8027 8028 8029 8030 8031 8032 8033 8034 8035
        | NAMES_SYM equal expr
	  {
	    LEX *lex= Lex;
            sp_pcontext *spc= lex->spcont;
	    LEX_STRING names;

	    names.str= (char *)"names";
	    names.length= 5;
	    if (spc && spc->find_pvar(&names))
              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), names.str);
8036 8037 8038
            else
              yyerror(ER(ER_SYNTAX_ERROR));

8039 8040
	    YYABORT;
	  }
8041
	| NAMES_SYM charset_name_or_default opt_collate
8042
	{
unknown's avatar
unknown committed
8043
	  LEX *lex= Lex;
8044
	  $2= $2 ? $2 : global_system_variables.character_set_client;
8045 8046
	  $3= $3 ? $3 : $2;
	  if (!my_charset_same($2,$3))
8047
	  {
8048 8049
	    my_error(ER_COLLATION_CHARSET_MISMATCH, MYF(0),
                     $3->name, $2->csname);
unknown's avatar
unknown committed
8050
	    YYABORT;
8051
	  }
8052
	  lex->var_list.push_back(new set_var_collation_client($3,$3,$3));
8053
	}
unknown's avatar
unknown committed
8054
	| PASSWORD equal text_or_password
unknown's avatar
unknown committed
8055
	  {
8056
	    THD *thd=YYTHD;
unknown's avatar
unknown committed
8057
	    LEX_USER *user;
8058 8059 8060 8061 8062 8063 8064 8065 8066 8067 8068
	    LEX *lex= Lex;	    
            sp_pcontext *spc= lex->spcont;
	    LEX_STRING pw;

	    pw.str= (char *)"password";
	    pw.length= 8;
	    if (spc && spc->find_pvar(&pw))
	    {
              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), pw.str);
	      YYABORT;
	    }
unknown's avatar
unknown committed
8069
	    if (!(user=(LEX_USER*) thd->alloc(sizeof(LEX_USER))))
unknown's avatar
unknown committed
8070
	      YYABORT;
8071
	    user->host=null_lex_str;
8072
	    user->user.str=thd->security_ctx->priv_user;
8073
	    thd->lex->var_list.push_back(new set_var_password(user, $3));
unknown's avatar
unknown committed
8074 8075
	  }
	| PASSWORD FOR_SYM user equal text_or_password
unknown's avatar
unknown committed
8076
	  {
unknown's avatar
unknown committed
8077 8078
	    Lex->var_list.push_back(new set_var_password($3,$5));
	  }
8079
	;
unknown's avatar
unknown committed
8080

unknown's avatar
unknown committed
8081 8082 8083
internal_variable_name:
	ident
	{
8084 8085 8086 8087 8088 8089 8090 8091 8092 8093 8094 8095
	  LEX *lex= Lex;
          sp_pcontext *spc= lex->spcont;
	  sp_pvar_t *spv;

	  /* We have to lookup here since local vars can shadow sysvars */
	  if (!spc || !(spv = spc->find_pvar(&$1)))
	  {
            /* Not an SP local variable */
	    sys_var *tmp=find_sys_var($1.str, $1.length);
	    if (!tmp)
	      YYABORT;
	    $$.var= tmp;
8096
	    $$.base_name= null_lex_str;
8097 8098 8099 8100
            /*
              If this is time_zone variable we should open time zone
              describing tables 
            */
8101 8102 8103
            if (tmp == &sys_time_zone &&
                lex->add_time_zone_tables_to_query_tables(YYTHD))
              YYABORT;
8104 8105 8106 8107 8108 8109 8110 8111
            else if (spc && tmp == &sys_autocommit)
            {
              /*
                We don't allow setting AUTOCOMMIT from a stored function
		or trigger.
              */
              lex->sphead->m_flags|= sp_head::HAS_SET_AUTOCOMMIT_STMT;
            }
8112 8113 8114 8115 8116 8117 8118
	  }
	  else
	  {
            /* An SP local variable */
	    $$.var= NULL;
	    $$.base_name= $1;
	  }
unknown's avatar
unknown committed
8119
	}
8120 8121
	| ident '.' ident
	  {
8122
            LEX *lex= Lex;
8123 8124
            if (check_reserved_words(&$1))
            {
8125
	      yyerror(ER(ER_SYNTAX_ERROR));
8126 8127
              YYABORT;
            }
8128 8129 8130 8131 8132 8133
            if (lex->sphead && lex->sphead->m_type == TYPE_ENUM_TRIGGER &&
                (!my_strcasecmp(system_charset_info, $1.str, "NEW") || 
                 !my_strcasecmp(system_charset_info, $1.str, "OLD")))
            {
              if ($1.str[0]=='O' || $1.str[0]=='o')
              {
unknown's avatar
unknown committed
8134
                my_error(ER_TRG_CANT_CHANGE_ROW, MYF(0), "OLD", "");
8135 8136 8137 8138
                YYABORT;
              }
              if (lex->trg_chistics.event == TRG_EVENT_DELETE)
              {
unknown's avatar
unknown committed
8139 8140
                my_error(ER_TRG_NO_SUCH_ROW_IN_TRG, MYF(0),
                         "NEW", "on DELETE");
8141 8142 8143 8144
                YYABORT;
              }
              if (lex->trg_chistics.action_time == TRG_ACTION_AFTER)
              {
unknown's avatar
unknown committed
8145
                my_error(ER_TRG_CANT_CHANGE_ROW, MYF(0), "NEW", "after ");
8146 8147 8148 8149 8150 8151 8152 8153 8154 8155 8156 8157
                YYABORT;
              }
              /* This special combination will denote field of NEW row */
              $$.var= &trg_new_row_fake_var;
              $$.base_name= $3;
            }
            else
            {
              sys_var *tmp=find_sys_var($3.str, $3.length);
              if (!tmp)
                YYABORT;
              if (!tmp->is_struct())
8158
                my_error(ER_VARIABLE_IS_NOT_STRUCT, MYF(0), $3.str);
8159 8160 8161
              $$.var= tmp;
              $$.base_name= $1;
            }
8162 8163 8164 8165 8166 8167 8168
	  }
	| DEFAULT '.' ident
	  {
	    sys_var *tmp=find_sys_var($3.str, $3.length);
	    if (!tmp)
	      YYABORT;
	    if (!tmp->is_struct())
8169
	      my_error(ER_VARIABLE_IS_NOT_STRUCT, MYF(0), $3.str);
unknown's avatar
unknown committed
8170 8171 8172
	    $$.var= tmp;
	    $$.base_name.str=    (char*) "default";
	    $$.base_name.length= 7;
8173
	  }
8174
        ;
unknown's avatar
unknown committed
8175 8176 8177 8178 8179 8180 8181

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; }
	;
8182

unknown's avatar
unknown committed
8183 8184 8185 8186
text_or_password:
	TEXT_STRING { $$=$1.str;}
	| PASSWORD '(' TEXT_STRING ')'
	  {
8187
	    $$= $3.length ? YYTHD->variables.old_passwords ?
unknown's avatar
unknown committed
8188 8189 8190 8191 8192 8193 8194 8195
	        Item_func_old_password::alloc(YYTHD, $3.str) :
	        Item_func_password::alloc(YYTHD, $3.str) :
	      $3.str;
	  }
	| OLD_PASSWORD '(' TEXT_STRING ')'
	  {
	    $$= $3.length ? Item_func_old_password::alloc(YYTHD, $3.str) :
	      $3.str;
8196 8197
	  }
          ;
unknown's avatar
unknown committed
8198

unknown's avatar
unknown committed
8199

unknown's avatar
unknown committed
8200
set_expr_or_default:
unknown's avatar
unknown committed
8201 8202
	expr      { $$=$1; }
	| DEFAULT { $$=0; }
8203 8204
	| ON	  { $$=new Item_string("ON",  2, system_charset_info); }
	| ALL	  { $$=new Item_string("ALL", 3, system_charset_info); }
unknown's avatar
unknown committed
8205
	| BINARY  { $$=new Item_string("binary", 6, system_charset_info); }
unknown's avatar
unknown committed
8206
	;
unknown's avatar
unknown committed
8207 8208


unknown's avatar
unknown committed
8209 8210 8211 8212 8213
/* Lock function */

lock:
	LOCK_SYM table_or_tables
	{
8214 8215 8216 8217
	  LEX *lex= Lex;

	  if (lex->sphead)
	  {
8218
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "LOCK");
8219 8220 8221
	    YYABORT;
	  }
	  lex->sql_command= SQLCOM_LOCK_TABLES;
unknown's avatar
unknown committed
8222
	}
8223 8224
	table_lock_list
	{}
8225
	;
unknown's avatar
unknown committed
8226 8227 8228

table_or_tables:
	TABLE_SYM
unknown's avatar
unknown committed
8229
	| TABLES;
unknown's avatar
unknown committed
8230 8231 8232

table_lock_list:
	table_lock
unknown's avatar
unknown committed
8233
	| table_lock_list ',' table_lock;
unknown's avatar
unknown committed
8234 8235 8236

table_lock:
	table_ident opt_table_alias lock_option
8237
	{
unknown's avatar
unknown committed
8238
	  if (!Select->add_table_to_list(YYTHD, $1, $2, 0, (thr_lock_type) $3))
8239 8240
	   YYABORT;
	}
8241
        ;
unknown's avatar
unknown committed
8242 8243 8244

lock_option:
	READ_SYM	{ $$=TL_READ_NO_INSERT; }
8245
	| WRITE_SYM     { $$=YYTHD->update_lock_default; }
unknown's avatar
unknown committed
8246
	| LOW_PRIORITY WRITE_SYM { $$=TL_WRITE_LOW_PRIORITY; }
8247 8248
	| READ_SYM LOCAL_SYM { $$= TL_READ; }
        ;
unknown's avatar
unknown committed
8249 8250

unlock:
8251 8252 8253 8254 8255 8256
	UNLOCK_SYM
	{
	  LEX *lex= Lex;

	  if (lex->sphead)
	  {
8257
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "UNLOCK");
8258 8259 8260 8261 8262 8263
	    YYABORT;
	  }
	  lex->sql_command= SQLCOM_UNLOCK_TABLES;
	}
	table_or_tables
	{}
8264
        ;
unknown's avatar
unknown committed
8265 8266


8267
/*
unknown's avatar
unknown committed
8268
** Handler: direct access to ISAM functions
8269 8270 8271 8272 8273
*/

handler:
	HANDLER_SYM table_ident OPEN_SYM opt_table_alias
	{
8274
	  LEX *lex= Lex;
8275 8276 8277 8278 8279
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
	    YYABORT;
	  }
8280
	  lex->sql_command = SQLCOM_HA_OPEN;
unknown's avatar
unknown committed
8281
	  if (!lex->current_select->add_table_to_list(lex->thd, $2, $4, 0))
8282 8283
	    YYABORT;
	}
unknown's avatar
unknown committed
8284
	| HANDLER_SYM table_ident_nodb CLOSE_SYM
8285
	{
8286
	  LEX *lex= Lex;
8287 8288 8289 8290 8291
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
	    YYABORT;
	  }
8292
	  lex->sql_command = SQLCOM_HA_CLOSE;
unknown's avatar
unknown committed
8293
	  if (!lex->current_select->add_table_to_list(lex->thd, $2, 0, 0))
8294 8295
	    YYABORT;
	}
unknown's avatar
unknown committed
8296
	| HANDLER_SYM table_ident_nodb READ_SYM
8297
	{
unknown's avatar
unknown committed
8298
	  LEX *lex=Lex;
8299 8300 8301 8302 8303
	  if (lex->sphead)
	  {
	    my_error(ER_SP_BADSTATEMENT, MYF(0), "HANDLER");
	    YYABORT;
	  }
unknown's avatar
unknown committed
8304 8305
	  lex->sql_command = SQLCOM_HA_READ;
	  lex->ha_rkey_mode= HA_READ_KEY_EXACT;	/* Avoid purify warnings */
8306
	  lex->current_select->select_limit= new Item_int((int32) 1);
8307
	  lex->current_select->offset_limit= 0;
unknown's avatar
unknown committed
8308
	  if (!lex->current_select->add_table_to_list(lex->thd, $2, 0, 0))
8309
	    YYABORT;
unknown's avatar
unknown committed
8310
        }
8311
        handler_read_or_scan where_clause opt_limit_clause {}
8312
        ;
8313

unknown's avatar
unknown committed
8314
handler_read_or_scan:
8315 8316
	handler_scan_function         { Lex->ident= null_lex_str; }
        | ident handler_rkey_function { Lex->ident= $1; }
8317
        ;
unknown's avatar
unknown committed
8318 8319 8320

handler_scan_function:
	FIRST_SYM  { Lex->ha_read_mode = RFIRST; }
8321 8322
	| NEXT_SYM { Lex->ha_read_mode = RNEXT;  }
        ;
unknown's avatar
unknown committed
8323 8324 8325 8326 8327 8328

handler_rkey_function:
	FIRST_SYM  { Lex->ha_read_mode = RFIRST; }
	| NEXT_SYM { Lex->ha_read_mode = RNEXT;  }
	| PREV_SYM { Lex->ha_read_mode = RPREV;  }
	| LAST_SYM { Lex->ha_read_mode = RLAST;  }
8329 8330
	| handler_rkey_mode
	{
unknown's avatar
unknown committed
8331 8332
	  LEX *lex=Lex;
	  lex->ha_read_mode = RKEY;
unknown's avatar
unknown committed
8333
	  lex->ha_rkey_mode=$1;
unknown's avatar
unknown committed
8334
	  if (!(lex->insert_list = new List_item))
8335
	    YYABORT;
8336 8337
	} '(' values ')' { }
        ;
8338 8339

handler_rkey_mode:
unknown's avatar
unknown committed
8340 8341 8342 8343
	  EQ     { $$=HA_READ_KEY_EXACT;   }
	| GE     { $$=HA_READ_KEY_OR_NEXT; }
	| LE     { $$=HA_READ_KEY_OR_PREV; }
	| GT_SYM { $$=HA_READ_AFTER_KEY;   }
8344 8345
	| LT     { $$=HA_READ_BEFORE_KEY;  }
        ;
8346

unknown's avatar
unknown committed
8347 8348 8349
/* GRANT / REVOKE */

revoke:
8350
	REVOKE clear_privileges revoke_command
8351 8352 8353 8354
	{}
        ;

revoke_command:
8355
	grant_privileges ON opt_table grant_ident FROM grant_list
8356
	{
8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384
          LEX *lex= Lex;
	  lex->sql_command= SQLCOM_REVOKE;
          lex->type= 0;
        }
        |
        grant_privileges ON FUNCTION_SYM grant_ident FROM grant_list
        {
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
	  lex->sql_command= SQLCOM_REVOKE;
          lex->type= TYPE_ENUM_FUNCTION;
          
        }
	|
        grant_privileges ON PROCEDURE grant_ident FROM grant_list
        {
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
	  lex->sql_command= SQLCOM_REVOKE;
          lex->type= TYPE_ENUM_PROCEDURE;
8385
        }
8386
	|
8387
	ALL opt_privileges ',' GRANT OPTION FROM grant_list
8388 8389 8390
	{
	  Lex->sql_command = SQLCOM_REVOKE_ALL;
	}
8391
	;
unknown's avatar
unknown committed
8392 8393

grant:
8394 8395 8396 8397 8398 8399
	GRANT clear_privileges grant_command
	{}
        ;

grant_command:
	grant_privileges ON opt_table grant_ident TO_SYM grant_list
8400
	require_clause grant_options
8401 8402 8403 8404 8405 8406 8407 8408 8409 8410 8411 8412 8413 8414 8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426 8427 8428 8429 8430 8431 8432
	{
          LEX *lex= Lex;
          lex->sql_command= SQLCOM_GRANT;
          lex->type= 0;
        }
        |
	grant_privileges ON FUNCTION_SYM grant_ident TO_SYM grant_list
	require_clause grant_options
	{
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
          lex->sql_command= SQLCOM_GRANT;
          lex->type= TYPE_ENUM_FUNCTION;
        }
        |
	grant_privileges ON PROCEDURE grant_ident TO_SYM grant_list
	require_clause grant_options
	{
          LEX *lex= Lex;
          if (lex->columns.elements)
          {
            yyerror(ER(ER_SYNTAX_ERROR));
	    YYABORT;
          }
          lex->sql_command= SQLCOM_GRANT;
          lex->type= TYPE_ENUM_PROCEDURE;
        }
        ;
unknown's avatar
unknown committed
8433

8434 8435 8436 8437
opt_table:
	/* Empty */
	| TABLE_SYM ;
        
unknown's avatar
unknown committed
8438
grant_privileges:
8439 8440 8441 8442 8443 8444
	object_privilege_list { }
	| ALL opt_privileges
        { 
          Lex->all_privileges= 1; 
          Lex->grant= GLOBAL_ACLS;
        }
8445
        ;
unknown's avatar
unknown committed
8446

unknown's avatar
unknown committed
8447 8448 8449 8450 8451
opt_privileges:
	/* empty */
	| PRIVILEGES
	;

8452 8453 8454
object_privilege_list:
	object_privilege
	| object_privilege_list ',' object_privilege;
unknown's avatar
unknown committed
8455

8456
object_privilege:
unknown's avatar
unknown committed
8457
	SELECT_SYM	{ Lex->which_columns = SELECT_ACL;} opt_column_list {}
8458 8459 8460
	| INSERT	{ Lex->which_columns = INSERT_ACL;} opt_column_list {}
	| UPDATE_SYM	{ Lex->which_columns = UPDATE_ACL; } opt_column_list {}
	| REFERENCES	{ Lex->which_columns = REFERENCES_ACL;} opt_column_list {}
unknown's avatar
unknown committed
8461 8462
	| DELETE_SYM	{ Lex->grant |= DELETE_ACL;}
	| USAGE		{}
unknown's avatar
unknown committed
8463
	| INDEX_SYM	{ Lex->grant |= INDEX_ACL;}
unknown's avatar
unknown committed
8464 8465 8466
	| ALTER		{ Lex->grant |= ALTER_ACL;}
	| CREATE	{ Lex->grant |= CREATE_ACL;}
	| DROP		{ Lex->grant |= DROP_ACL;}
unknown's avatar
unknown committed
8467
	| EXECUTE_SYM	{ Lex->grant |= EXECUTE_ACL;}
unknown's avatar
unknown committed
8468 8469 8470 8471
	| RELOAD	{ Lex->grant |= RELOAD_ACL;}
	| SHUTDOWN	{ Lex->grant |= SHUTDOWN_ACL;}
	| PROCESS	{ Lex->grant |= PROCESS_ACL;}
	| FILE_SYM	{ Lex->grant |= FILE_ACL;}
unknown's avatar
unknown committed
8472 8473 8474 8475 8476
	| GRANT OPTION  { Lex->grant |= GRANT_ACL;}
	| SHOW DATABASES { Lex->grant |= SHOW_DB_ACL;}
	| SUPER_SYM	{ Lex->grant |= SUPER_ACL;}
	| CREATE TEMPORARY TABLES { Lex->grant |= CREATE_TMP_ACL;}
	| LOCK_SYM TABLES   { Lex->grant |= LOCK_TABLES_ACL; }
8477 8478 8479 8480
	| REPLICATION SLAVE  { Lex->grant |= REPL_SLAVE_ACL; }
	| REPLICATION CLIENT_SYM { Lex->grant |= REPL_CLIENT_ACL; }
	| CREATE VIEW_SYM { Lex->grant |= CREATE_VIEW_ACL; }
	| SHOW VIEW_SYM { Lex->grant |= SHOW_VIEW_ACL; }
8481 8482
	| CREATE ROUTINE_SYM { Lex->grant |= CREATE_PROC_ACL; }
	| ALTER ROUTINE_SYM { Lex->grant |= ALTER_PROC_ACL; }
8483
	| CREATE USER { Lex->grant |= CREATE_USER_ACL; }
unknown's avatar
unknown committed
8484
	;
unknown's avatar
unknown committed
8485

unknown's avatar
unknown committed
8486

8487 8488
opt_and:
	/* empty */	{}
unknown's avatar
unknown committed
8489
	| AND_SYM	{}
8490 8491 8492 8493 8494 8495 8496 8497 8498
	;

require_list:
	 require_list_element opt_and require_list
	 | require_list_element
	 ;

require_list_element:
	SUBJECT_SYM TEXT_STRING
unknown's avatar
unknown committed
8499 8500 8501 8502
	{
	  LEX *lex=Lex;
	  if (lex->x509_subject)
	  {
unknown's avatar
unknown committed
8503
	    my_error(ER_DUP_ARGUMENT, MYF(0), "SUBJECT");
unknown's avatar
unknown committed
8504 8505 8506 8507 8508 8509 8510 8511 8512
	    YYABORT;
	  }
	  lex->x509_subject=$2.str;
	}
	| ISSUER_SYM TEXT_STRING
	{
	  LEX *lex=Lex;
	  if (lex->x509_issuer)
	  {
unknown's avatar
unknown committed
8513
	    my_error(ER_DUP_ARGUMENT, MYF(0), "ISSUER");
unknown's avatar
unknown committed
8514 8515 8516 8517 8518 8519 8520 8521 8522
	    YYABORT;
	  }
	  lex->x509_issuer=$2.str;
	}
	| CIPHER_SYM TEXT_STRING
	{
	  LEX *lex=Lex;
	  if (lex->ssl_cipher)
	  {
unknown's avatar
unknown committed
8523
	    my_error(ER_DUP_ARGUMENT, MYF(0), "CIPHER");
unknown's avatar
unknown committed
8524 8525 8526 8527 8528
	    YYABORT;
	  }
	  lex->ssl_cipher=$2.str;
	}
	;
8529

8530
grant_ident:
unknown's avatar
unknown committed
8531 8532
	'*'
	  {
8533
	    LEX *lex= Lex;
unknown's avatar
unknown committed
8534
	    lex->current_select->db= lex->thd->db;
unknown's avatar
unknown committed
8535
	    if (lex->grant == GLOBAL_ACLS)
unknown's avatar
unknown committed
8536 8537
	      lex->grant = DB_ACLS & ~GRANT_ACL;
	    else if (lex->columns.elements)
unknown's avatar
unknown committed
8538
	    {
unknown's avatar
unknown committed
8539 8540
	      my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
8541
	      YYABORT;
unknown's avatar
unknown committed
8542
	    }
unknown's avatar
unknown committed
8543 8544 8545
	  }
	| ident '.' '*'
	  {
8546
	    LEX *lex= Lex;
unknown's avatar
unknown committed
8547
	    lex->current_select->db = $1.str;
unknown's avatar
unknown committed
8548
	    if (lex->grant == GLOBAL_ACLS)
unknown's avatar
unknown committed
8549 8550
	      lex->grant = DB_ACLS & ~GRANT_ACL;
	    else if (lex->columns.elements)
unknown's avatar
unknown committed
8551
	    {
unknown's avatar
unknown committed
8552 8553
	      my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
unknown's avatar
unknown committed
8554 8555 8556 8557 8558
	      YYABORT;
	    }
	  }
	| '*' '.' '*'
	  {
8559
	    LEX *lex= Lex;
unknown's avatar
unknown committed
8560
	    lex->current_select->db = NULL;
unknown's avatar
unknown committed
8561 8562
	    if (lex->grant == GLOBAL_ACLS)
	      lex->grant= GLOBAL_ACLS & ~GRANT_ACL;
unknown's avatar
unknown committed
8563
	    else if (lex->columns.elements)
unknown's avatar
unknown committed
8564
	    {
unknown's avatar
unknown committed
8565 8566
	      my_message(ER_ILLEGAL_GRANT_FOR_TABLE,
                         ER(ER_ILLEGAL_GRANT_FOR_TABLE), MYF(0));
unknown's avatar
unknown committed
8567 8568 8569 8570 8571
	      YYABORT;
	    }
	  }
	| table_ident
	  {
unknown's avatar
unknown committed
8572
	    LEX *lex=Lex;
unknown's avatar
unknown committed
8573
	    if (!lex->current_select->add_table_to_list(lex->thd, $1,NULL,0))
unknown's avatar
unknown committed
8574
	      YYABORT;
unknown's avatar
unknown committed
8575
	    if (lex->grant == GLOBAL_ACLS)
unknown's avatar
unknown committed
8576
	      lex->grant =  TABLE_ACLS & ~GRANT_ACL;
8577 8578
	  }
          ;
unknown's avatar
unknown committed
8579 8580 8581


user_list:
8582 8583 8584 8585 8586 8587 8588 8589 8590 8591
	user  { if (Lex->users_list.push_back($1)) YYABORT;}
	| user_list ',' user
	  {
	    if (Lex->users_list.push_back($3))
	      YYABORT;
	  }
	;


grant_list:
8592
	grant_user  { if (Lex->users_list.push_back($1)) YYABORT;}
8593
	| grant_list ',' grant_user
8594 8595 8596 8597 8598
	  {
	    if (Lex->users_list.push_back($3))
	      YYABORT;
	  }
	;
unknown's avatar
unknown committed
8599 8600 8601 8602 8603 8604 8605 8606


grant_user:
	user IDENTIFIED_SYM BY TEXT_STRING
	{
	   $$=$1; $1->password=$4;
	   if ($4.length)
	   {
8607
             if (YYTHD->variables.old_passwords)
8608 8609 8610 8611 8612 8613 8614 8615 8616 8617 8618 8619 8620 8621 8622 8623 8624
             {
               char *buff= 
                 (char *) YYTHD->alloc(SCRAMBLED_PASSWORD_CHAR_LENGTH_323+1);
               if (buff)
                 make_scrambled_password_323(buff, $4.str);
               $1->password.str= buff;
               $1->password.length= SCRAMBLED_PASSWORD_CHAR_LENGTH_323;
             }
             else
             {
               char *buff= 
                 (char *) YYTHD->alloc(SCRAMBLED_PASSWORD_CHAR_LENGTH+1);
               if (buff)
                 make_scrambled_password(buff, $4.str);
               $1->password.str= buff;
               $1->password.length= SCRAMBLED_PASSWORD_CHAR_LENGTH;
             }
unknown's avatar
unknown committed
8625 8626 8627
	  }
	}
	| user IDENTIFIED_SYM BY PASSWORD TEXT_STRING
8628
	  { $$= $1; $1->password= $5; }
unknown's avatar
unknown committed
8629
	| user
8630
	  { $$= $1; $1->password= null_lex_str; }
8631
        ;
unknown's avatar
unknown committed
8632 8633 8634


opt_column_list:
unknown's avatar
unknown committed
8635 8636 8637 8638 8639
	/* empty */
	{
	  LEX *lex=Lex;
	  lex->grant |= lex->which_columns;
	}
unknown's avatar
unknown committed
8640
	| '(' column_list ')';
unknown's avatar
unknown committed
8641 8642 8643

column_list:
	column_list ',' column_list_id
unknown's avatar
unknown committed
8644
	| column_list_id;
unknown's avatar
unknown committed
8645 8646 8647 8648

column_list_id:
	ident
	{
unknown's avatar
unknown committed
8649
	  String *new_str = new (YYTHD->mem_root) String((const char*) $1.str,$1.length,system_charset_info);
unknown's avatar
unknown committed
8650 8651
	  List_iterator <LEX_COLUMN> iter(Lex->columns);
	  class LEX_COLUMN *point;
unknown's avatar
unknown committed
8652
	  LEX *lex=Lex;
unknown's avatar
unknown committed
8653 8654
	  while ((point=iter++))
	  {
8655 8656
	    if (!my_strcasecmp(system_charset_info,
                               point->column.ptr(), new_str->ptr()))
unknown's avatar
unknown committed
8657 8658
		break;
	  }
unknown's avatar
unknown committed
8659
	  lex->grant_tot_col|= lex->which_columns;
unknown's avatar
unknown committed
8660
	  if (point)
unknown's avatar
unknown committed
8661
	    point->rights |= lex->which_columns;
unknown's avatar
unknown committed
8662
	  else
unknown's avatar
unknown committed
8663
	    lex->columns.push_back(new LEX_COLUMN (*new_str,lex->which_columns));
8664 8665
	}
        ;
unknown's avatar
unknown committed
8666

unknown's avatar
unknown committed
8667 8668

require_clause: /* empty */
8669
        | REQUIRE_SYM require_list
8670 8671 8672
          {
            Lex->ssl_type=SSL_TYPE_SPECIFIED;
          }
8673
        | REQUIRE_SYM SSL_SYM
8674 8675 8676
          {
            Lex->ssl_type=SSL_TYPE_ANY;
          }
8677
        | REQUIRE_SYM X509_SYM
8678 8679 8680 8681 8682 8683 8684
          {
            Lex->ssl_type=SSL_TYPE_X509;
          }
	| REQUIRE_SYM NONE_SYM
	  {
	    Lex->ssl_type=SSL_TYPE_NONE;
	  }
8685
          ;
unknown's avatar
unknown committed
8686

unknown's avatar
unknown committed
8687
grant_options:
unknown's avatar
unknown committed
8688
	/* empty */ {}
unknown's avatar
unknown committed
8689
	| WITH grant_option_list;
unknown's avatar
unknown committed
8690

unknown's avatar
unknown committed
8691 8692
grant_option_list:
	grant_option_list grant_option {}
8693 8694
	| grant_option {}
        ;
unknown's avatar
unknown committed
8695 8696 8697

grant_option:
	GRANT OPTION { Lex->grant |= GRANT_ACL;}
unknown's avatar
unknown committed
8698
        | MAX_QUERIES_PER_HOUR ulong_num
unknown's avatar
unknown committed
8699
        {
unknown's avatar
unknown committed
8700 8701 8702
	  LEX *lex=Lex;
	  lex->mqh.questions=$2;
	  lex->mqh.specified_limits|= USER_RESOURCES::QUERIES_PER_HOUR;
8703
	}
unknown's avatar
unknown committed
8704
        | MAX_UPDATES_PER_HOUR ulong_num
8705
        {
unknown's avatar
unknown committed
8706 8707 8708
	  LEX *lex=Lex;
	  lex->mqh.updates=$2;
	  lex->mqh.specified_limits|= USER_RESOURCES::UPDATES_PER_HOUR;
8709
	}
unknown's avatar
unknown committed
8710
        | MAX_CONNECTIONS_PER_HOUR ulong_num
8711
        {
unknown's avatar
unknown committed
8712 8713 8714
	  LEX *lex=Lex;
	  lex->mqh.conn_per_hour= $2;
	  lex->mqh.specified_limits|= USER_RESOURCES::CONNECTIONS_PER_HOUR;
8715
	}
unknown's avatar
unknown committed
8716
        | MAX_USER_CONNECTIONS_SYM ulong_num
8717
        {
unknown's avatar
unknown committed
8718 8719 8720
	  LEX *lex=Lex;
          lex->mqh.user_conn= $2;
          lex->mqh.specified_limits|= USER_RESOURCES::USER_CONNECTIONS;
8721 8722
	}
        ;
8723

unknown's avatar
unknown committed
8724
begin:
unknown's avatar
unknown committed
8725 8726 8727 8728 8729 8730 8731
	BEGIN_SYM  
        {
	  LEX *lex=Lex;
          lex->sql_command = SQLCOM_BEGIN;
          lex->start_transaction_opt= 0;
        }
        opt_work {}
8732
	;
unknown's avatar
unknown committed
8733 8734 8735

opt_work:
	/* empty */ {}
unknown's avatar
unknown committed
8736
	| WORK_SYM  {}
8737
        ;
unknown's avatar
unknown committed
8738

unknown's avatar
unknown committed
8739
opt_chain:
unknown's avatar
unknown committed
8740
	/* empty */ { $$= (YYTHD->variables.completion_type == 1); }
unknown's avatar
unknown committed
8741 8742 8743 8744 8745
	| AND_SYM NO_SYM CHAIN_SYM	{ $$=0; }
	| AND_SYM CHAIN_SYM		{ $$=1; }
	;

opt_release:
unknown's avatar
unknown committed
8746
	/* empty */ { $$= (YYTHD->variables.completion_type == 2); }
unknown's avatar
unknown committed
8747 8748 8749 8750 8751 8752 8753 8754 8755
	| RELEASE_SYM 			{ $$=1; }
	| NO_SYM RELEASE_SYM 		{ $$=0; }
	;
	
opt_savepoint:
	/* empty */	{}
	| SAVEPOINT_SYM {}
	;

unknown's avatar
unknown committed
8756
commit:
unknown's avatar
unknown committed
8757
	COMMIT_SYM opt_work opt_chain opt_release
unknown's avatar
unknown committed
8758
	{
unknown's avatar
unknown committed
8759 8760 8761 8762
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_COMMIT;
	  lex->tx_chain= $3; 
	  lex->tx_release= $4;
unknown's avatar
unknown committed
8763 8764
	}
	;
unknown's avatar
unknown committed
8765 8766

rollback:
unknown's avatar
unknown committed
8767
	ROLLBACK_SYM opt_work opt_chain opt_release
8768
	{
unknown's avatar
unknown committed
8769 8770 8771 8772
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_ROLLBACK;
	  lex->tx_chain= $3; 
	  lex->tx_release= $4;
8773
	}
unknown's avatar
unknown committed
8774 8775
	| ROLLBACK_SYM opt_work
	  TO_SYM opt_savepoint ident
8776
	{
unknown's avatar
unknown committed
8777 8778 8779
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_ROLLBACK_TO_SAVEPOINT;
	  lex->ident= $5;
unknown's avatar
unknown committed
8780 8781 8782
	}
	;

8783 8784 8785
savepoint:
	SAVEPOINT_SYM ident
	{
unknown's avatar
unknown committed
8786 8787 8788
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_SAVEPOINT;
	  lex->ident= $2;
unknown's avatar
unknown committed
8789 8790 8791 8792 8793 8794
	}
	;

release:
	RELEASE_SYM SAVEPOINT_SYM ident
	{
unknown's avatar
unknown committed
8795 8796 8797
	  LEX *lex=Lex;
	  lex->sql_command= SQLCOM_RELEASE_SAVEPOINT;
	  lex->ident= $3;
unknown's avatar
unknown committed
8798 8799
	}
	;
unknown's avatar
unknown committed
8800
  
8801
/*
unknown's avatar
unknown committed
8802
   UNIONS : glue selects together
8803 8804 8805
*/


8806
union_clause:
8807
	/* empty */ {}
unknown's avatar
unknown committed
8808 8809
	| union_list
	;
8810 8811

union_list:
8812
	UNION_SYM union_option
8813 8814 8815 8816 8817
	{
	  LEX *lex=Lex;
	  if (lex->exchange)
	  {
	    /* Only the last SELECT can have  INTO...... */
unknown's avatar
unknown committed
8818
	    my_error(ER_WRONG_USAGE, MYF(0), "UNION", "INTO");
8819
	    YYABORT;
8820
	  }
8821
	  if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
8822
	  {
8823
            yyerror(ER(ER_SYNTAX_ERROR));
8824 8825
	    YYABORT;
	  }
8826
	  if (mysql_new_select(lex, 0))
8827
	    YYABORT;
unknown's avatar
unknown committed
8828
          mysql_init_select(lex);
8829
	  lex->current_select->linkage=UNION_TYPE;
8830 8831 8832
          if ($2) /* UNION DISTINCT - remember position */
            lex->current_select->master_unit()->union_distinct=
                                                      lex->current_select;
unknown's avatar
unknown committed
8833
	}
unknown's avatar
unknown committed
8834 8835
	select_init
        {
8836 8837 8838 8839
          /*
	    Remove from the name resolution context stack the context of the
            last select in the union.
	  */
unknown's avatar
unknown committed
8840 8841
          Lex->pop_context();
        }
8842
	;
8843 8844

union_opt:
unknown's avatar
unknown committed
8845 8846 8847
	/* Empty */ { $$= 0; }
	| union_list { $$= 1; }
	| union_order_or_limit { $$= 1; }
unknown's avatar
unknown committed
8848
	;
8849

unknown's avatar
unknown committed
8850
union_order_or_limit:
8851
	  {
unknown's avatar
unknown committed
8852
	    THD *thd= YYTHD;
8853
	    LEX *lex= thd->lex;
unknown's avatar
unknown committed
8854
	    DBUG_ASSERT(lex->current_select->linkage != GLOBAL_OPTIONS_TYPE);
unknown's avatar
unknown committed
8855
	    SELECT_LEX *sel= lex->current_select;
unknown's avatar
unknown committed
8856
	    SELECT_LEX_UNIT *unit= sel->master_unit();
unknown's avatar
unknown committed
8857
	    SELECT_LEX *fake= unit->fake_select_lex;
unknown's avatar
unknown committed
8858 8859 8860 8861 8862 8863
	    if (fake)
	    {
	      unit->global_parameters= fake;
	      fake->no_table_names_allowed= 1;
	      lex->current_select= fake;
	    }
unknown's avatar
unknown committed
8864
	    thd->where= "global ORDER clause";
8865
	  }
8866
	order_or_limit
unknown's avatar
unknown committed
8867 8868
          {
	    THD *thd= YYTHD;
8869
	    thd->lex->current_select->no_table_names_allowed= 0;
unknown's avatar
unknown committed
8870 8871
	    thd->where= "";
          }
8872 8873 8874
	;

order_or_limit:
8875 8876
	order_clause opt_limit_clause_init
	| limit_clause
8877
	;
unknown's avatar
unknown committed
8878 8879

union_option:
8880 8881 8882 8883
	/* empty */ { $$=1; }
	| DISTINCT  { $$=1; }
	| ALL       { $$=0; }
        ;
8884

unknown's avatar
unknown committed
8885 8886
singlerow_subselect:
	subselect_start singlerow_subselect_init
unknown's avatar
unknown committed
8887 8888 8889 8890
	subselect_end
	{
	  $$= $2;
	};
8891

unknown's avatar
unknown committed
8892
singlerow_subselect_init:
8893
	select_init2
unknown's avatar
unknown committed
8894
	{
8895 8896
	  $$= new Item_singlerow_subselect(Lex->current_select->
					   master_unit()->first_select());
unknown's avatar
unknown committed
8897
	};
unknown's avatar
unknown committed
8898 8899

exists_subselect:
unknown's avatar
unknown committed
8900 8901 8902 8903 8904
	subselect_start exists_subselect_init
	subselect_end
	{
	  $$= $2;
	};
unknown's avatar
unknown committed
8905 8906

exists_subselect_init:
8907
	select_init2
unknown's avatar
unknown committed
8908
	{
8909 8910
	  $$= new Item_exists_subselect(Lex->current_select->master_unit()->
					first_select());
unknown's avatar
unknown committed
8911
	};
8912

unknown's avatar
unknown committed
8913 8914 8915 8916 8917 8918 8919 8920
in_subselect:
  subselect_start in_subselect_init
  subselect_end
  {
    $$= $2;
  };

in_subselect_init:
8921
  select_init2
unknown's avatar
unknown committed
8922
  {
unknown's avatar
unknown committed
8923
    $$= Lex->current_select->master_unit()->first_select();
unknown's avatar
unknown committed
8924 8925
  };

8926
subselect_start:
8927
	'(' SELECT_SYM
unknown's avatar
unknown committed
8928
	{
8929
	  LEX *lex=Lex;
8930
	  if (((int)lex->sql_command >= (int)SQLCOM_HA_OPEN &&
8931 8932
	       lex->sql_command <= (int)SQLCOM_HA_READ) ||
	       lex->sql_command == (int)SQLCOM_KILL)
8933 8934
	  {
            yyerror(ER(ER_SYNTAX_ERROR));
8935 8936
	    YYABORT;
	  }
unknown's avatar
unknown committed
8937 8938 8939
	  if (mysql_new_select(Lex, 1))
	    YYABORT;
	};
8940 8941

subselect_end:
unknown's avatar
unknown committed
8942 8943 8944
	')'
	{
	  LEX *lex=Lex;
unknown's avatar
unknown committed
8945
          lex->pop_context();
8946
	  lex->current_select = lex->current_select->return_after_parsing();
unknown's avatar
unknown committed
8947
          lex->nest_level--;
unknown's avatar
unknown committed
8948
	};
unknown's avatar
unknown committed
8949

8950 8951 8952 8953 8954 8955 8956 8957 8958 8959 8960 8961 8962 8963 8964 8965 8966 8967 8968 8969 8970 8971 8972 8973 8974 8975 8976 8977 8978 8979 8980 8981 8982 8983 8984 8985 8986 8987 8988 8989 8990 8991 8992 8993 8994 8995 8996 8997 8998 8999 9000 9001 9002 9003 9004 9005 9006 9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022 9023 9024 9025 9026 9027 9028 9029 9030 9031 9032 9033 9034 9035 9036 9037 9038 9039 9040 9041 9042 9043 9044 9045 9046 9047 9048 9049 9050 9051 9052 9053 9054 9055 9056 9057 9058 9059 9060 9061
definer:
	get_definer
	{
	  THD *thd= YYTHD;
	  
	  if (! (thd->lex->definer= create_definer(thd, &$1->user, &$1->host)))
	    YYABORT;
	}
	;

get_definer:
	opt_current_definer
	{
	  THD *thd= YYTHD;
          
	  if (!($$=(LEX_USER*) thd->alloc(sizeof(st_lex_user))))
	    YYABORT;

	  if (get_default_definer(thd, $$))
	    YYABORT;
	}
	| DEFINER_SYM EQ ident_or_text '@' ident_or_text
	{
	  if (!($$=(LEX_USER*) YYTHD->alloc(sizeof(st_lex_user))))
	    YYABORT;

	  $$->user= $3;
	  $$->host= $5;
	}
	;

opt_current_definer:
	/* empty */
	| DEFINER_SYM EQ CURRENT_USER optional_braces
	;

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

 CREATE VIEW statement options.

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

view_replace_or_algorithm:
	view_replace
	{}
	| view_replace view_algorithm
	{}
	| view_algorithm
	{}
	;

view_replace:
	OR_SYM REPLACE
	{ Lex->create_view_mode= VIEW_CREATE_OR_REPLACE; }
	;

view_algorithm:
	ALGORITHM_SYM EQ UNDEFINED_SYM
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED; }
	| ALGORITHM_SYM EQ MERGE_SYM
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_MERGE; }
	| ALGORITHM_SYM EQ TEMPTABLE_SYM
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_TMPTABLE; }
	;

view_algorithm_opt:
	/* empty */
	{ Lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED; }
	| view_algorithm
	{}
	;

view_or_trigger:
	definer view_or_trigger_tail
	{}
	| view_replace_or_algorithm definer view_tail
	{}
	;

view_or_trigger_tail:
	view_tail
	{}
	| trigger_tail
	{}
	;

view_suid:
	/* empty */
	{ Lex->create_view_suid= TRUE; }
	| SQL_SYM SECURITY_SYM DEFINER_SYM
	{ Lex->create_view_suid= TRUE; }
	| SQL_SYM SECURITY_SYM INVOKER_SYM
	{ Lex->create_view_suid= FALSE; }
	;

view_tail:
	view_suid VIEW_SYM table_ident
	{
	  THD *thd= YYTHD;
	  LEX *lex= thd->lex;
	  lex->sql_command= SQLCOM_CREATE_VIEW;
	  /* first table in list is target VIEW name */
	  if (!lex->select_lex.add_table_to_list(thd, $3, NULL, 0))
	    YYABORT;
	}
	view_list_opt AS view_select view_check_option
	{}
	;

view_list_opt:
	/* empty */
	{}
9062 9063 9064 9065 9066 9067 9068 9069 9070 9071 9072 9073 9074 9075 9076 9077
	| '(' view_list ')'
	;

view_list:
	ident 
	  {
	    Lex->view_list.push_back((LEX_STRING*)
				     sql_memdup(&$1, sizeof(LEX_STRING)));
	  }
	| view_list ',' ident
	  {
	    Lex->view_list.push_back((LEX_STRING*)
				     sql_memdup(&$3, sizeof(LEX_STRING)));
	  }
	;

9078 9079 9080
view_select:
	SELECT_SYM remember_name select_init2
	{
9081 9082 9083 9084 9085 9086
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          char *stmt_beg= (lex->sphead ?
                           (char *)lex->sphead->m_tmp_query :
                           thd->query);
	  lex->create_view_select_start= $2 - stmt_beg;
9087 9088 9089
	}
	| '(' remember_name select_paren ')' union_opt
	{
9090 9091 9092 9093 9094 9095
          THD *thd=YYTHD;
          LEX *lex= thd->lex;
          char *stmt_beg= (lex->sphead ?
                           (char *)lex->sphead->m_tmp_query :
                           thd->query);
	  lex->create_view_select_start= $2 - stmt_beg;
9096
	}
9097 9098
	;

9099
view_check_option:
9100
	/* empty */
9101 9102 9103 9104 9105 9106 9107
	{ Lex->create_view_check= VIEW_CHECK_NONE; }
	| WITH CHECK_SYM OPTION
	{ Lex->create_view_check= VIEW_CHECK_CASCADED; }
	| WITH CASCADED CHECK_SYM OPTION
	{ Lex->create_view_check= VIEW_CHECK_CASCADED; }
	| WITH LOCAL_SYM CHECK_SYM OPTION
	{ Lex->create_view_check= VIEW_CHECK_LOCAL; }
9108
	;
9109

9110 9111 9112 9113 9114 9115 9116 9117 9118 9119 9120 9121 9122 9123
/**************************************************************************

 CREATE TRIGGER statement parts.

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

trigger_tail:
	TRIGGER_SYM remember_name sp_name trg_action_time trg_event 
	ON table_ident FOR_SYM EACH_SYM ROW_SYM
	{
	  LEX *lex= Lex;
	  sp_head *sp;
	 
	  if (lex->sphead)
9124
	  {
9125 9126
	    my_error(ER_SP_NO_RECURSIVE_CREATE, MYF(0), "TRIGGER");
	    YYABORT;
9127
	  }
9128 9129 9130 9131 9132 9133 9134 9135 9136 9137 9138 9139 9140 9141 9142 9143 9144 9145 9146 9147 9148 9149
	
	  if (!(sp= new sp_head()))
	    YYABORT;
	  sp->reset_thd_mem_root(YYTHD);
	  sp->init(lex);
	
	  lex->trigger_definition_begin= $2;
	  
	  sp->m_type= TYPE_ENUM_TRIGGER;
	  lex->sphead= sp;
	  lex->spname= $3;
	  /*
	    We have to turn of CLIENT_MULTI_QUERIES while parsing a
	    stored procedure, otherwise yylex will chop it into pieces
	    at each ';'.
	  */
	  sp->m_old_cmq= YYTHD->client_capabilities & CLIENT_MULTI_QUERIES;
	  YYTHD->client_capabilities &= ~CLIENT_MULTI_QUERIES;
	  
	  bzero((char *)&lex->sp_chistics, sizeof(st_sp_chistics));
	  lex->sphead->m_chistics= &lex->sp_chistics;
	  lex->sphead->m_body_begin= lex->ptr;
9150 9151
          while (my_isspace(system_charset_info, lex->sphead->m_body_begin[0]))
            ++lex->sphead->m_body_begin;
9152 9153 9154 9155 9156 9157 9158 9159 9160 9161 9162 9163 9164 9165 9166 9167 9168 9169 9170 9171 9172 9173 9174 9175 9176 9177 9178 9179 9180 9181 9182
	}
	sp_proc_stmt
	{
	  LEX *lex= Lex;
	  sp_head *sp= lex->sphead;
	  
	  lex->sql_command= SQLCOM_CREATE_TRIGGER;
	  sp->init_strings(YYTHD, lex, $3);
	  /* Restore flag if it was cleared above */
	  if (sp->m_old_cmq)
	    YYTHD->client_capabilities |= CLIENT_MULTI_QUERIES;
	  sp->restore_thd_mem_root(YYTHD);
	
	  if (sp->is_not_allowed_in_function("trigger"))
	      YYABORT;
	
	  /*
	    We have to do it after parsing trigger body, because some of
	    sp_proc_stmt alternatives are not saving/restoring LEX, so
	    lex->query_tables can be wiped out.
	    
	    QQ: What are other consequences of this?
	    
	    QQ: Could we loosen lock type in certain cases ?
	  */
	  if (!lex->select_lex.add_table_to_list(YYTHD, $7, 
	                                         (LEX_STRING*) 0,
	                                         TL_OPTION_UPDATING,
	                                         TL_WRITE))
	    YYABORT;
	}
9183 9184
	;

9185
/*************************************************************************/
9186

9187 9188
xa: XA_SYM begin_or_start xid opt_join_or_resume
      {
unknown's avatar
unknown committed
9189
        Lex->sql_command = SQLCOM_XA_START;
9190
      }
9191
    | XA_SYM END xid opt_suspend
9192
      {
unknown's avatar
unknown committed
9193
        Lex->sql_command = SQLCOM_XA_END;
9194 9195 9196
      }
    | XA_SYM PREPARE_SYM xid
      {
unknown's avatar
unknown committed
9197
        Lex->sql_command = SQLCOM_XA_PREPARE;
9198 9199 9200
      }
    | XA_SYM COMMIT_SYM xid opt_one_phase
      {
unknown's avatar
unknown committed
9201
        Lex->sql_command = SQLCOM_XA_COMMIT;
9202 9203 9204
      }
    | XA_SYM ROLLBACK_SYM xid
      {
unknown's avatar
unknown committed
9205
        Lex->sql_command = SQLCOM_XA_ROLLBACK;
9206 9207 9208
      }
    | XA_SYM RECOVER_SYM
      {
unknown's avatar
unknown committed
9209
        Lex->sql_command = SQLCOM_XA_RECOVER;
9210 9211 9212
      }
    ;

unknown's avatar
unknown committed
9213 9214
xid: text_string
     {
unknown's avatar
unknown committed
9215
       YYERROR_UNLESS($1->length() <= MAXGTRIDSIZE);
unknown's avatar
unknown committed
9216 9217 9218 9219 9220 9221
       if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
         YYABORT;
       Lex->xid->set(1L, $1->ptr(), $1->length(), 0, 0);
     }
     | text_string ',' text_string
     {
unknown's avatar
unknown committed
9222
       YYERROR_UNLESS($1->length() <= MAXGTRIDSIZE && $3->length() <= MAXBQUALSIZE);
unknown's avatar
unknown committed
9223 9224 9225 9226 9227 9228
       if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
         YYABORT;
       Lex->xid->set(1L, $1->ptr(), $1->length(), $3->ptr(), $3->length());
     }
     | text_string ',' text_string ',' ulong_num
     {
unknown's avatar
unknown committed
9229
       YYERROR_UNLESS($1->length() <= MAXGTRIDSIZE && $3->length() <= MAXBQUALSIZE);
unknown's avatar
unknown committed
9230 9231 9232 9233 9234
       if (!(Lex->xid=(XID *)YYTHD->alloc(sizeof(XID))))
         YYABORT;
       Lex->xid->set($5, $1->ptr(), $1->length(), $3->ptr(), $3->length());
     }
     ;
9235 9236 9237 9238 9239 9240 9241 9242 9243 9244 9245 9246 9247 9248 9249 9250

begin_or_start:   BEGIN_SYM {}
    |             START_SYM {}
    ;

opt_join_or_resume:
    /* nothing */           { Lex->xa_opt=XA_NONE;        }
    | JOIN_SYM              { Lex->xa_opt=XA_JOIN;        }
    | RESUME_SYM            { Lex->xa_opt=XA_RESUME;      }
    ;

opt_one_phase:
    /* nothing */           { Lex->xa_opt=XA_NONE;        }
    | ONE_SYM PHASE_SYM     { Lex->xa_opt=XA_ONE_PHASE;   }
    ;

9251
opt_suspend:
9252 9253
    /* nothing */           { Lex->xa_opt=XA_NONE;        }
    | SUSPEND_SYM           { Lex->xa_opt=XA_SUSPEND;     }
9254 9255 9256 9257 9258
      opt_migrate
    ;

opt_migrate:
    /* nothing */           { }
9259 9260 9261 9262
    | FOR_SYM MIGRATE_SYM   { Lex->xa_opt=XA_FOR_MIGRATE; }
    ;