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sql_yacc.yy
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sql_yacc.yy
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/*
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Copyright (c) 2012, Twitter, Inc.
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; version 2 of the License.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
/* sql_yacc.yy */
/**
@defgroup Parser Parser
@{
*/
%{
/*
Note: YYTHD is passed as an argument to yyparse(), and subsequently to yylex().
*/
#define YYLIP (& YYTHD->m_parser_state->m_lip)
#define YYPS (& YYTHD->m_parser_state->m_yacc)
#define MYSQL_YACC
#define YYINITDEPTH 100
#define YYMAXDEPTH 3200 /* Because of 64K stack */
#define Lex (YYTHD->lex)
#define Select Lex->current_select
#include "sql_priv.h"
#include "unireg.h" // REQUIRED: for other includes
#include "sql_parse.h" /* comp_*_creator */
#include "sql_table.h" /* primary_key_name */
#include "sql_partition.h" /* mem_alloc_error, partition_info, HASH_PARTITION */
#include "sql_acl.h" /* *_ACL */
#include "password.h" /* my_make_scrambled_password_323, my_make_scrambled_password */
#include "sql_class.h" /* Key_part_spec, enum_filetype, Diag_condition_item_name */
#include "slave.h"
#include "lex_symbol.h"
#include "item_create.h"
#include "sp_head.h"
#include "sp_pcontext.h"
#include "sp_rcontext.h"
#include "sp.h"
#include "sql_alter.h" // Alter_table*_statement
#include "sql_truncate.h" // Truncate_statement
#include "sql_admin.h" // Analyze/Check..._table_stmt
#include "sql_partition_admin.h" // Alter_table_*_partition_stmt
#include "sql_signal.h"
#include "event_parse_data.h"
#include <myisam.h>
#include <myisammrg.h>
#include "keycaches.h"
#include "set_var.h"
/* this is to get the bison compilation windows warnings out */
#ifdef _MSC_VER
/* warning C4065: switch statement contains 'default' but no 'case' labels */
#pragma warning (disable : 4065)
#endif
int yylex(void *yylval, void *yythd);
#define yyoverflow(A,B,C,D,E,F) \
{ \
ulong val= *(F); \
if (my_yyoverflow((B), (D), &val)) \
{ \
yyerror(YYTHD, (char*) (A)); \
return 2; \
} \
else \
{ \
*(F)= (YYSIZE_T)val; \
} \
}
#define MYSQL_YYABORT \
do \
{ \
LEX::cleanup_lex_after_parse_error(YYTHD);\
YYABORT; \
} while (0)
#define MYSQL_YYABORT_UNLESS(A) \
if (!(A)) \
{ \
my_parse_error(ER(ER_SYNTAX_ERROR));\
MYSQL_YYABORT; \
}
/*
Work around for broken code generated by bison 1.875.
The code generated by bison 1.875a and later, bison 2.1 and bison 2.2 is ok.
With bison 1.875 however, the generated code contains:
<pre>
yyerrlab1:
#if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
__attribute__ ((__unused__))
#endif
</pre>
This usage of __attribute__ is illegal, so we remove it.
See the following references for details:
http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00014.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14273
*/
#if defined (__GNUC_MINOR__) && 2093 <= (__GNUC__ * 1000 + __GNUC_MINOR__)
#undef __attribute__
#define __attribute__(X)
#endif
#ifndef DBUG_OFF
#define YYDEBUG 1
#else
#define YYDEBUG 0
#endif
/**
@brief Push an error message into MySQL error stack with line
and position information.
This function provides semantic action implementers with a way
to push the famous "You have a syntax error near..." error
message into the error stack, which is normally produced only if
a parse error is discovered internally by the Bison generated
parser.
*/
void my_parse_error(const char *s)
{
THD *thd= current_thd;
Lex_input_stream *lip= & thd->m_parser_state->m_lip;
const char *yytext= lip->get_tok_start();
if (!yytext)
yytext= "";
/* Push an error into the error stack */
ErrConvString err(yytext, thd->variables.character_set_client);
my_printf_error(ER_PARSE_ERROR, ER(ER_PARSE_ERROR), MYF(0), s,
err.ptr(), lip->yylineno);
}
/**
@brief Bison callback to report a syntax/OOM error
This function is invoked by the bison-generated parser
when a syntax error, a parse error or an out-of-memory
condition occurs. This function is not invoked when the
parser is requested to abort by semantic action code
by means of YYABORT or YYACCEPT macros. This is why these
macros should not be used (use MYSQL_YYABORT/MYSQL_YYACCEPT
instead).
The parser will abort immediately after invoking this callback.
This function is not for use in semantic actions and is internal to
the parser, as it performs some pre-return cleanup.
In semantic actions, please use my_parse_error or my_error to
push an error into the error stack and MYSQL_YYABORT
to abort from the parser.
*/
void MYSQLerror(THD *thd, const char *s)
{
/*
Restore the original LEX if it was replaced when parsing
a stored procedure. We must ensure that a parsing error
does not leave any side effects in the THD.
*/
LEX::cleanup_lex_after_parse_error(thd);
/* "parse error" changed into "syntax error" between bison 1.75 and 1.875 */
if (strcmp(s,"parse error") == 0 || strcmp(s,"syntax error") == 0)
s= ER(ER_SYNTAX_ERROR);
my_parse_error(s);
}
#ifndef DBUG_OFF
void turn_parser_debug_on()
{
/*
MYSQLdebug is in sql/sql_yacc.cc, in bison generated code.
Turning this option on is **VERY** verbose, and should be
used when investigating a syntax error problem only.
The syntax to run with bison traces is as follows :
- Starting a server manually :
mysqld --debug="d,parser_debug" ...
- Running a test :
mysql-test-run.pl --mysqld="--debug=d,parser_debug" ...
The result will be in the process stderr (var/log/master.err)
*/
extern int yydebug;
yydebug= 1;
}
#endif
static bool is_native_function(THD *thd, const LEX_STRING *name)
{
if (find_native_function_builder(thd, *name))
return true;
if (is_lex_native_function(name))
return true;
return false;
}
/**
Helper action for a case statement (entering the CASE).
This helper is used for both 'simple' and 'searched' cases.
This helper, with the other case_stmt_action_..., is executed when
the following SQL code is parsed:
<pre>
CREATE PROCEDURE proc_19194_simple(i int)
BEGIN
DECLARE str CHAR(10);
CASE i
WHEN 1 THEN SET str="1";
WHEN 2 THEN SET str="2";
WHEN 3 THEN SET str="3";
ELSE SET str="unknown";
END CASE;
SELECT str;
END
</pre>
The actions are used to generate the following code:
<pre>
SHOW PROCEDURE CODE proc_19194_simple;
Pos Instruction
0 set str@1 NULL
1 set_case_expr (12) 0 i@0
2 jump_if_not 5(12) (case_expr@0 = 1)
3 set str@1 _latin1'1'
4 jump 12
5 jump_if_not 8(12) (case_expr@0 = 2)
6 set str@1 _latin1'2'
7 jump 12
8 jump_if_not 11(12) (case_expr@0 = 3)
9 set str@1 _latin1'3'
10 jump 12
11 set str@1 _latin1'unknown'
12 stmt 0 "SELECT str"
</pre>
@param lex the parser lex context
*/
void case_stmt_action_case(LEX *lex)
{
lex->sphead->new_cont_backpatch(NULL);
/*
BACKPATCH: Creating target label for the jump to
"case_stmt_action_end_case"
(Instruction 12 in the example)
*/
lex->spcont->push_label((char *)"", lex->sphead->instructions());
}
/**
Helper action for a case expression statement (the expr in 'CASE expr').
This helper is used for 'searched' cases only.
@param lex the parser lex context
@param expr the parsed expression
@return 0 on success
*/
int case_stmt_action_expr(LEX *lex, Item* expr)
{
sp_head *sp= lex->sphead;
sp_pcontext *parsing_ctx= lex->spcont;
int case_expr_id= parsing_ctx->register_case_expr();
sp_instr_set_case_expr *i;
if (parsing_ctx->push_case_expr_id(case_expr_id))
return 1;
i= new sp_instr_set_case_expr(sp->instructions(),
parsing_ctx, case_expr_id, expr, lex);
sp->add_cont_backpatch(i);
return sp->add_instr(i);
}
/**
Helper action for a case when condition.
This helper is used for both 'simple' and 'searched' cases.
@param lex the parser lex context
@param when the parsed expression for the WHEN clause
@param simple true for simple cases, false for searched cases
*/
int case_stmt_action_when(LEX *lex, Item *when, bool simple)
{
sp_head *sp= lex->sphead;
sp_pcontext *ctx= lex->spcont;
uint ip= sp->instructions();
sp_instr_jump_if_not *i;
Item_case_expr *var;
Item *expr;
if (simple)
{
var= new Item_case_expr(ctx->get_current_case_expr_id());
#ifndef DBUG_OFF
if (var)
{
var->m_sp= sp;
}
#endif
expr= new Item_func_eq(var, when);
i= new sp_instr_jump_if_not(ip, ctx, expr, lex);
}
else
i= new sp_instr_jump_if_not(ip, ctx, when, lex);
/*
BACKPATCH: Registering forward jump from
"case_stmt_action_when" to "case_stmt_action_then"
(jump_if_not from instruction 2 to 5, 5 to 8 ... in the example)
*/
return !test(i) ||
sp->push_backpatch(i, ctx->push_label((char *)"", 0)) ||
sp->add_cont_backpatch(i) ||
sp->add_instr(i);
}
/**
Helper action for a case then statements.
This helper is used for both 'simple' and 'searched' cases.
@param lex the parser lex context
*/
int case_stmt_action_then(LEX *lex)
{
sp_head *sp= lex->sphead;
sp_pcontext *ctx= lex->spcont;
uint ip= sp->instructions();
sp_instr_jump *i = new sp_instr_jump(ip, ctx);
if (!test(i) || sp->add_instr(i))
return 1;
/*
BACKPATCH: Resolving forward jump from
"case_stmt_action_when" to "case_stmt_action_then"
(jump_if_not from instruction 2 to 5, 5 to 8 ... in the example)
*/
sp->backpatch(ctx->pop_label());
/*
BACKPATCH: Registering forward jump from
"case_stmt_action_then" to "case_stmt_action_end_case"
(jump from instruction 4 to 12, 7 to 12 ... in the example)
*/
return sp->push_backpatch(i, ctx->last_label());
}
/**
Helper action for an end case.
This helper is used for both 'simple' and 'searched' cases.
@param lex the parser lex context
@param simple true for simple cases, false for searched cases
*/
void case_stmt_action_end_case(LEX *lex, bool simple)
{
/*
BACKPATCH: Resolving forward jump from
"case_stmt_action_then" to "case_stmt_action_end_case"
(jump from instruction 4 to 12, 7 to 12 ... in the example)
*/
lex->sphead->backpatch(lex->spcont->pop_label());
if (simple)
lex->spcont->pop_case_expr_id();
lex->sphead->do_cont_backpatch();
}
static bool
find_sys_var_null_base(THD *thd, struct sys_var_with_base *tmp)
{
tmp->var= find_sys_var(thd, tmp->base_name.str, tmp->base_name.length);
if (tmp->var == NULL)
my_error(ER_UNKNOWN_SYSTEM_VARIABLE, MYF(0), tmp->base_name.str);
else
tmp->base_name= null_lex_str;
return thd->is_error();
}
/**
Helper action for a SET statement.
Used to push a system variable into the assignment list.
@param thd the current thread
@param tmp the system variable with base name
@param var_type the scope of the variable
@param val the value being assigned to the variable
@return TRUE if error, FALSE otherwise.
*/
static bool
set_system_variable(THD *thd, struct sys_var_with_base *tmp,
enum enum_var_type var_type, Item *val)
{
set_var *var;
LEX *lex= thd->lex;
/* No AUTOCOMMIT from a stored function or trigger. */
if (lex->spcont && tmp->var == Sys_autocommit_ptr)
lex->sphead->m_flags|= sp_head::HAS_SET_AUTOCOMMIT_STMT;
if (val && val->type() == Item::FIELD_ITEM &&
((Item_field*)val)->table_name)
{
my_error(ER_WRONG_TYPE_FOR_VAR, MYF(0), tmp->var->name.str);
return TRUE;
}
if (! (var= new set_var(var_type, tmp->var, &tmp->base_name, val)))
return TRUE;
return lex->var_list.push_back(var);
}
/**
Helper action for a SET statement.
Used to push a SP local variable into the assignment list.
@param thd the current thread
@param var_type the SP local variable
@param val the value being assigned to the variable
@return TRUE if error, FALSE otherwise.
*/
static bool
set_local_variable(THD *thd, sp_variable_t *spv, Item *val)
{
Item *it;
LEX *lex= thd->lex;
sp_instr_set *sp_set;
if (val)
it= val;
else if (spv->dflt)
it= spv->dflt;
else
{
it= new (thd->mem_root) Item_null();
if (it == NULL)
return TRUE;
}
sp_set= new sp_instr_set(lex->sphead->instructions(), lex->spcont,
spv->offset, it, spv->type, lex, TRUE);
return (sp_set == NULL || lex->sphead->add_instr(sp_set));
}
/**
Helper action for a SET statement.
Used to SET a field of NEW row.
@param thd the current thread
@param name the field name
@param val the value being assigned to the row
@return TRUE if error, FALSE otherwise.
*/
static bool
set_trigger_new_row(THD *thd, LEX_STRING *name, Item *val)
{
LEX *lex= thd->lex;
Item_trigger_field *trg_fld;
sp_instr_set_trigger_field *sp_fld;
/* QQ: Shouldn't this be field's default value ? */
if (! val)
val= new Item_null();
DBUG_ASSERT(lex->trg_chistics.action_time == TRG_ACTION_BEFORE &&
(lex->trg_chistics.event == TRG_EVENT_INSERT ||
lex->trg_chistics.event == TRG_EVENT_UPDATE));
trg_fld= new (thd->mem_root)
Item_trigger_field(lex->current_context(),
Item_trigger_field::NEW_ROW,
name->str, UPDATE_ACL, FALSE);
if (trg_fld == NULL)
return TRUE;
sp_fld= new sp_instr_set_trigger_field(lex->sphead->instructions(),
lex->spcont, trg_fld, val, lex);
if (sp_fld == NULL)
return TRUE;
/*
Let us add this item to list of all Item_trigger_field
objects in trigger.
*/
lex->trg_table_fields.link_in_list(trg_fld, &trg_fld->next_trg_field);
return lex->sphead->add_instr(sp_fld);
}
/**
Helper to resolve the SQL:2003 Syntax exception 1) in <in predicate>.
See SQL:2003, Part 2, section 8.4 <in predicate>, Note 184, page 383.
This function returns the proper item for the SQL expression
<code>left [NOT] IN ( expr )</code>
@param thd the current thread
@param left the in predicand
@param equal true for IN predicates, false for NOT IN predicates
@param expr first and only expression of the in value list
@return an expression representing the IN predicate.
*/
Item* handle_sql2003_note184_exception(THD *thd, Item* left, bool equal,
Item *expr)
{
/*
Relevant references for this issue:
- SQL:2003, Part 2, section 8.4 <in predicate>, page 383,
- SQL:2003, Part 2, section 7.2 <row value expression>, page 296,
- SQL:2003, Part 2, section 6.3 <value expression primary>, page 174,
- SQL:2003, Part 2, section 7.15 <subquery>, page 370,
- SQL:2003 Feature F561, "Full value expressions".
The exception in SQL:2003 Note 184 means:
Item_singlerow_subselect, which corresponds to a <scalar subquery>,
should be re-interpreted as an Item_in_subselect, which corresponds
to a <table subquery> when used inside an <in predicate>.
Our reading of Note 184 is reccursive, so that all:
- IN (( <subquery> ))
- IN ((( <subquery> )))
- IN '('^N <subquery> ')'^N
- etc
should be interpreted as a <table subquery>, no matter how deep in the
expression the <subquery> is.
*/
Item *result;
DBUG_ENTER("handle_sql2003_note184_exception");
if (expr->type() == Item::SUBSELECT_ITEM)
{
Item_subselect *expr2 = (Item_subselect*) expr;
if (expr2->substype() == Item_subselect::SINGLEROW_SUBS)
{
Item_singlerow_subselect *expr3 = (Item_singlerow_subselect*) expr2;
st_select_lex *subselect;
/*
Implement the mandated change, by altering the semantic tree:
left IN Item_singlerow_subselect(subselect)
is modified to
left IN (subselect)
which is represented as
Item_in_subselect(left, subselect)
*/
subselect= expr3->invalidate_and_restore_select_lex();
result= new (thd->mem_root) Item_in_subselect(left, subselect);
if (! equal)
result = negate_expression(thd, result);
DBUG_RETURN(result);
}
}
if (equal)
result= new (thd->mem_root) Item_func_eq(left, expr);
else
result= new (thd->mem_root) Item_func_ne(left, expr);
DBUG_RETURN(result);
}
/**
@brief Creates a new SELECT_LEX for a UNION branch.
Sets up and initializes a SELECT_LEX structure for a query once the parser
discovers a UNION token. The current SELECT_LEX is pushed on the stack and
the new SELECT_LEX becomes the current one.
@param lex The parser state.
@param is_union_distinct True if the union preceding the new select statement
uses UNION DISTINCT.
@param is_top_level This should be @c TRUE if the newly created SELECT_LEX
is a non-nested statement.
@return <code>false</code> if successful, <code>true</code> if an error was
reported. In the latter case parsing should stop.
*/
bool add_select_to_union_list(LEX *lex, bool is_union_distinct,
bool is_top_level)
{
/*
Only the last SELECT can have INTO. Since the grammar won't allow INTO in
a nested SELECT, we make this check only when creating a top-level SELECT.
*/
if (is_top_level && lex->result)
{
my_error(ER_WRONG_USAGE, MYF(0), "UNION", "INTO");
return TRUE;
}
if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE)
{
my_parse_error(ER(ER_SYNTAX_ERROR));
return TRUE;
}
/* This counter shouldn't be incremented for UNION parts */
lex->nest_level--;
if (mysql_new_select(lex, 0))
return TRUE;
mysql_init_select(lex);
lex->current_select->linkage=UNION_TYPE;
if (is_union_distinct) /* UNION DISTINCT - remember position */
lex->current_select->master_unit()->union_distinct=
lex->current_select;
return FALSE;
}
/**
@brief Initializes a SELECT_LEX for a query within parentheses (aka
braces).
@return false if successful, true if an error was reported. In the latter
case parsing should stop.
*/
bool setup_select_in_parentheses(LEX *lex)
{
SELECT_LEX * sel= lex->current_select;
if (sel->set_braces(1))
{
my_parse_error(ER(ER_SYNTAX_ERROR));
return TRUE;
}
if (sel->linkage == UNION_TYPE &&
!sel->master_unit()->first_select()->braces &&
sel->master_unit()->first_select()->linkage ==
UNION_TYPE)
{
my_parse_error(ER(ER_SYNTAX_ERROR));
return TRUE;
}
if (sel->linkage == UNION_TYPE &&
sel->olap != UNSPECIFIED_OLAP_TYPE &&
sel->master_unit()->fake_select_lex)
{
my_error(ER_WRONG_USAGE, MYF(0), "CUBE/ROLLUP", "ORDER BY");
return TRUE;
}
/* 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;
return FALSE;
}
static bool add_create_index_prepare (LEX *lex, Table_ident *table)
{
lex->sql_command= SQLCOM_CREATE_INDEX;
if (!lex->current_select->add_table_to_list(lex->thd, table, NULL,
TL_OPTION_UPDATING,
TL_READ_NO_INSERT,
MDL_SHARED_NO_WRITE))
return TRUE;
lex->alter_info.reset();
lex->alter_info.flags= ALTER_ADD_INDEX;
lex->col_list.empty();
lex->change= NullS;
return FALSE;
}
static bool add_create_index (LEX *lex, Key::Keytype type,
const LEX_STRING &name,
KEY_CREATE_INFO *info= NULL, bool generated= 0)
{
Key *key;
key= new Key(type, name, info ? info : &lex->key_create_info, generated,
lex->col_list);
if (key == NULL)
return TRUE;
lex->alter_info.key_list.push_back(key);
lex->col_list.empty();
return FALSE;
}
%}
%union {
int num;
ulong ulong_num;
ulonglong ulonglong_number;
longlong longlong_number;
LEX_STRING lex_str;
LEX_STRING *lex_str_ptr;
LEX_SYMBOL symbol;
Table_ident *table;
char *simple_string;
Item *item;
Item_num *item_num;
List<Item> *item_list;
List<String> *string_list;
String *string;
Key_part_spec *key_part;
TABLE_LIST *table_list;
udf_func *udf;
LEX_USER *lex_user;
struct sys_var_with_base variable;
enum enum_var_type var_type;
Key::Keytype key_type;
enum ha_key_alg key_alg;
handlerton *db_type;
enum row_type row_type;
enum ha_rkey_function ha_rkey_mode;
enum enum_tx_isolation tx_isolation;
enum Cast_target cast_type;
enum Item_udftype udf_type;
CHARSET_INFO *charset;
thr_lock_type lock_type;
interval_type interval, interval_time_st;
timestamp_type date_time_type;
st_select_lex *select_lex;
chooser_compare_func_creator boolfunc2creator;
struct sp_cond_type *spcondtype;
struct { int vars, conds, hndlrs, curs; } spblock;
sp_name *spname;
LEX *lex;
sp_head *sphead;
struct p_elem_val *p_elem_value;
enum index_hint_type index_hint;
enum enum_filetype filetype;
enum Foreign_key::fk_option m_fk_option;
enum enum_yes_no_unknown m_yes_no_unk;
Diag_condition_item_name diag_condition_item_name;
Item_func_utc_extract::unit_spec utc_extract_unit;
bool is_not_empty;
}
%{
bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%}
%parse-param { class THD *YYTHD }
%lex-param { class THD *YYTHD }
%pure-parser /* We have threads */
/*
Currently there are 172 shift/reduce conflicts.
We should not introduce new conflicts any more.
*/
%expect 172
/*
Comments for TOKENS.
For each token, please include in the same line a comment that contains
the following tags:
SQL-2003-R : Reserved keyword as per SQL-2003
SQL-2003-N : Non Reserved keyword as per SQL-2003
SQL-1999-R : Reserved keyword as per SQL-1999
SQL-1999-N : Non Reserved keyword as per SQL-1999
MYSQL : MySQL extention (unspecified)
MYSQL-FUNC : MySQL extention, function
INTERNAL : Not a real token, lex optimization
OPERATOR : SQL operator
FUTURE-USE : Reserved for futur use
This makes the code grep-able, and helps maintenance.
*/
%token ABORT_SYM /* INTERNAL (used in lex) */
%token ACCESSIBLE_SYM
%token ACTION /* SQL-2003-N */
%token ADD /* SQL-2003-R */
%token ADDDATE_SYM /* MYSQL-FUNC */
%token AFTER_SYM /* SQL-2003-N */
%token AGAINST
%token AGGREGATE_SYM
%token ALGORITHM_SYM
%token ALL /* SQL-2003-R */
%token ALTER /* SQL-2003-R */
%token ANALYZE_SYM
%token AND_AND_SYM /* OPERATOR */
%token AND_SYM /* SQL-2003-R */
%token ANY_SYM /* SQL-2003-R */
%token AS /* SQL-2003-R */
%token ASC /* SQL-2003-N */
%token ASCII_SYM /* MYSQL-FUNC */
%token ASENSITIVE_SYM /* FUTURE-USE */
%token AT_SYM /* SQL-2003-R */
%token AUTHORS_SYM
%token AUTOEXTEND_SIZE_SYM
%token AUTO_INC
%token AVG_ROW_LENGTH
%token AVG_SYM /* SQL-2003-N */
%token BACKUP_SYM
%token BEFORE_SYM /* SQL-2003-N */
%token BEGIN_SYM /* SQL-2003-R */
%token BETWEEN_SYM /* SQL-2003-R */
%token BIGINT /* SQL-2003-R */
%token BINARY /* SQL-2003-R */
%token BINLOG_SYM
%token BIN_NUM
%token BIT_AND /* MYSQL-FUNC */
%token BIT_OR /* MYSQL-FUNC */
%token BIT_SYM /* MYSQL-FUNC */
%token BIT_XOR /* MYSQL-FUNC */
%token BLOB_SYM /* SQL-2003-R */
%token BLOCK_SYM
%token BOOLEAN_SYM /* SQL-2003-R */
%token BOOL_SYM
%token BOTH /* SQL-2003-R */
%token BTREE_SYM
%token BY /* SQL-2003-R */
%token BYTE_SYM
%token CACHE_SYM
%token CALL_SYM /* SQL-2003-R */
%token CASCADE /* SQL-2003-N */
%token CASCADED /* SQL-2003-R */
%token CASE_SYM /* SQL-2003-R */
%token CAST_SYM /* SQL-2003-R */
%token CATALOG_NAME_SYM /* SQL-2003-N */
%token CHAIN_SYM /* SQL-2003-N */
%token CHANGE
%token CHANGED
%token CHARSET
%token CHAR_SYM /* SQL-2003-R */
%token CHECKSUM_SYM
%token CHECK_SYM /* SQL-2003-R */
%token CIPHER_SYM
%token CLASS_ORIGIN_SYM /* SQL-2003-N */
%token CLIENT_SYM
%token CLIENT_STATS_SYM
%token CLOSE_SYM /* SQL-2003-R */
%token COALESCE /* SQL-2003-N */
%token CODE_SYM
%token COLLATE_SYM /* SQL-2003-R */
%token COLLATION_SYM /* SQL-2003-N */
%token COLUMNS
%token COLUMN_SYM /* SQL-2003-R */
%token COLUMN_NAME_SYM /* SQL-2003-N */
%token COMMENT_SYM
%token COMMITTED_SYM /* SQL-2003-N */
%token COMMIT_SYM /* SQL-2003-R */
%token COMPACT_SYM
%token COMPLETION_SYM
%token COMPRESSED_SYM
%token CONCURRENT
%token CONDITION_SYM /* SQL-2003-R, SQL-2008-R */
%token CONNECTION_SYM
%token CONSISTENT_SYM
%token CONSTRAINT /* SQL-2003-R */
%token CONSTRAINT_CATALOG_SYM /* SQL-2003-N */
%token CONSTRAINT_NAME_SYM /* SQL-2003-N */
%token CONSTRAINT_SCHEMA_SYM /* SQL-2003-N */
%token CONTAINS_SYM /* SQL-2003-N */
%token CONTEXT_SYM
%token CONTINUE_SYM /* SQL-2003-R */
%token CONTRIBUTORS_SYM
%token CONVERT_SYM /* SQL-2003-N */
%token COUNT_SYM /* SQL-2003-N */
%token CPU_SYM
%token CREATE /* SQL-2003-R */
%token CROSS /* SQL-2003-R */
%token CUBE_SYM /* SQL-2003-R */
%token CURDATE /* MYSQL-FUNC */
%token CURRENT_USER /* SQL-2003-R */
%token CURSOR_SYM /* SQL-2003-R */
%token CURSOR_NAME_SYM /* SQL-2003-N */
%token CURTIME /* MYSQL-FUNC */
%token DATABASE
%token DATABASES
%token DATAFILE_SYM
%token DATA_SYM /* SQL-2003-N */
%token DATETIME
%token DATE_ADD_INTERVAL /* MYSQL-FUNC */
%token DATE_SUB_INTERVAL /* MYSQL-FUNC */
%token DATE_SYM /* SQL-2003-R */
%token DAY_HOUR_SYM
%token DAY_MICROSECOND_SYM
%token DAY_MINUTE_SYM
%token DAY_SECOND_SYM
%token DAY_SYM /* SQL-2003-R */
%token DEALLOCATE_SYM /* SQL-2003-R */
%token DECIMAL_NUM
%token DECIMAL_SYM /* SQL-2003-R */
%token DECLARE_SYM /* SQL-2003-R */
%token DEFAULT /* SQL-2003-R */
%token DEFINER_SYM
%token DELAYED_SYM
%token DELAY_KEY_WRITE_SYM
%token DELETE_SYM /* SQL-2003-R */
%token DESC /* SQL-2003-N */
%token DESCRIBE /* SQL-2003-R */
%token DES_KEY_FILE
%token DETERMINISTIC_SYM /* SQL-2003-R */
%token DIRECTORY_SYM
%token DISABLE_SYM
%token DISCARD
%token DISK_SYM
%token DISTINCT /* SQL-2003-R */
%token DIV_SYM
%token DOUBLE_SYM /* SQL-2003-R */
%token DO_SYM
%token DROP /* SQL-2003-R */
%token DUAL_SYM
%token DUMPFILE
%token DUPLICATE_SYM
%token DYNAMIC_SYM /* SQL-2003-R */
%token EACH_SYM /* SQL-2003-R */
%token ELSE /* SQL-2003-R */
%token ELSEIF_SYM
%token ENABLE_SYM
%token ENCLOSED
%token END /* SQL-2003-R */
%token ENDS_SYM
%token END_OF_INPUT /* INTERNAL */
%token ENGINES_SYM
%token ENGINE_SYM
%token ENGINE_CONTROL_SYM
%token ENUM
%token EQ /* OPERATOR */
%token EQUAL_SYM /* OPERATOR */
%token ERROR_SYM
%token ERRORS
%token ESCAPED
%token ESCAPE_SYM /* SQL-2003-R */
%token EVENTS_SYM
%token EVENT_SYM
%token EVERY_SYM /* SQL-2003-N */
%token EXECUTE_SYM /* SQL-2003-R */
%token EXISTS /* SQL-2003-R */
%token EXIT_SYM
%token EXPANSION_SYM
%token EXTENDED_SYM
%token EXTENT_SIZE_SYM
%token EXTRACT_SYM /* SQL-2003-N */
%token FALSE_SYM /* SQL-2003-R */
%token FAST_SYM
%token FAULTS_SYM
%token FETCH_SYM /* SQL-2003-R */
%token FILE_SYM
%token FIRST_SYM /* SQL-2003-N */
%token FIXED_SYM
%token FLOAT_NUM
%token FLOAT_SYM /* SQL-2003-R */
%token FLUSH_SYM
%token FORCE_SYM
%token FOREIGN /* SQL-2003-R */
%token FOR_SYM /* SQL-2003-R */
%token FOUND_SYM /* SQL-2003-R */
%token FROM
%token FULL /* SQL-2003-R */
%token FULLTEXT_SYM
%token FUNCTION_SYM /* SQL-2003-R */
%token GE
%token GENERAL
%token GEOMETRYCOLLECTION
%token GEOMETRY_SYM