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Commit d4e34c80 authored by unknown's avatar unknown
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Merge malff@bk-internal.mysql.com:/home/bk/mysql-5.0-runtime 

into  weblab.(none):/home/marcsql/TREE/mysql-5.0-30237


sql/sql_yacc.yy:
  Auto merged
parents abc02d7e fb1be0f1
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Showing with 564 additions and 43 deletions
mysql-test/r/parser_precedence.result 0 → 100644
View file @ d4e34c80
drop table if exists t1_30237_bool;
create table t1_30237_bool(A boolean, B boolean, C boolean);
insert into t1_30237_bool values
(FALSE, FALSE, FALSE),
(FALSE, FALSE, NULL),
(FALSE, FALSE, TRUE),
(FALSE, NULL, FALSE),
(FALSE, NULL, NULL),
(FALSE, NULL, TRUE),
(FALSE, TRUE, FALSE),
(FALSE, TRUE, NULL),
(FALSE, TRUE, TRUE),
(NULL, FALSE, FALSE),
(NULL, FALSE, NULL),
(NULL, FALSE, TRUE),
(NULL, NULL, FALSE),
(NULL, NULL, NULL),
(NULL, NULL, TRUE),
(NULL, TRUE, FALSE),
(NULL, TRUE, NULL),
(NULL, TRUE, TRUE),
(TRUE, FALSE, FALSE),
(TRUE, FALSE, NULL),
(TRUE, FALSE, TRUE),
(TRUE, NULL, FALSE),
(TRUE, NULL, NULL),
(TRUE, NULL, TRUE),
(TRUE, TRUE, FALSE),
(TRUE, TRUE, NULL),
(TRUE, TRUE, TRUE) ;
Testing OR, XOR, AND
select A, B, A OR B, A XOR B, A AND B
from t1_30237_bool where C is null order by A, B;
A B A OR B A XOR B A AND B
NULL NULL NULL NULL NULL
NULL 0 NULL NULL 0
NULL 1 1 NULL NULL
0 NULL NULL NULL 0
0 0 0 0 0
0 1 1 1 0
1 NULL 1 NULL NULL
1 0 1 1 0
1 1 1 0 1
Testing that OR is associative
select A, B, C, (A OR B) OR C, A OR (B OR C), A OR B OR C
from t1_30237_bool order by A, B, C;
A B C (A OR B) OR C A OR (B OR C) A OR B OR C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 NULL NULL NULL
NULL NULL 1 1 1 1
NULL 0 NULL NULL NULL NULL
NULL 0 0 NULL NULL NULL
NULL 0 1 1 1 1
NULL 1 NULL 1 1 1
NULL 1 0 1 1 1
NULL 1 1 1 1 1
0 NULL NULL NULL NULL NULL
0 NULL 0 NULL NULL NULL
0 NULL 1 1 1 1
0 0 NULL NULL NULL NULL
0 0 0 0 0 0
0 0 1 1 1 1
0 1 NULL 1 1 1
0 1 0 1 1 1
0 1 1 1 1 1
1 NULL NULL 1 1 1
1 NULL 0 1 1 1
1 NULL 1 1 1 1
1 0 NULL 1 1 1
1 0 0 1 1 1
1 0 1 1 1 1
1 1 NULL 1 1 1
1 1 0 1 1 1
1 1 1 1 1 1
select count(*) from t1_30237_bool
where ((A OR B) OR C) != (A OR (B OR C));
count(*)
0
Testing that XOR is associative
select A, B, C, (A XOR B) XOR C, A XOR (B XOR C), A XOR B XOR C
from t1_30237_bool order by A, B, C;
A B C (A XOR B) XOR C A XOR (B XOR C) A XOR B XOR C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 NULL NULL NULL
NULL NULL 1 NULL NULL NULL
NULL 0 NULL NULL NULL NULL
NULL 0 0 NULL NULL NULL
NULL 0 1 NULL NULL NULL
NULL 1 NULL NULL NULL NULL
NULL 1 0 NULL NULL NULL
NULL 1 1 NULL NULL NULL
0 NULL NULL NULL NULL NULL
0 NULL 0 NULL NULL NULL
0 NULL 1 NULL NULL NULL
0 0 NULL NULL NULL NULL
0 0 0 0 0 0
0 0 1 1 1 1
0 1 NULL NULL NULL NULL
0 1 0 1 1 1
0 1 1 0 0 0
1 NULL NULL NULL NULL NULL
1 NULL 0 NULL NULL NULL
1 NULL 1 NULL NULL NULL
1 0 NULL NULL NULL NULL
1 0 0 1 1 1
1 0 1 0 0 0
1 1 NULL NULL NULL NULL
1 1 0 0 0 0
1 1 1 1 1 1
select count(*) from t1_30237_bool
where ((A XOR B) XOR C) != (A XOR (B XOR C));
count(*)
0
Testing that AND is associative
select A, B, C, (A AND B) AND C, A AND (B AND C), A AND B AND C
from t1_30237_bool order by A, B, C;
A B C (A AND B) AND C A AND (B AND C) A AND B AND C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 0 0 0
NULL NULL 1 NULL NULL NULL
NULL 0 NULL 0 0 0
NULL 0 0 0 0 0
NULL 0 1 0 0 0
NULL 1 NULL NULL NULL NULL
NULL 1 0 0 0 0
NULL 1 1 NULL NULL NULL
0 NULL NULL 0 0 0
0 NULL 0 0 0 0
0 NULL 1 0 0 0
0 0 NULL 0 0 0
0 0 0 0 0 0
0 0 1 0 0 0
0 1 NULL 0 0 0
0 1 0 0 0 0
0 1 1 0 0 0
1 NULL NULL NULL NULL NULL
1 NULL 0 0 0 0
1 NULL 1 NULL NULL NULL
1 0 NULL 0 0 0
1 0 0 0 0 0
1 0 1 0 0 0
1 1 NULL NULL NULL NULL
1 1 0 0 0 0
1 1 1 1 1 1
select count(*) from t1_30237_bool
where ((A AND B) AND C) != (A AND (B AND C));
count(*)
0
Testing that AND has precedence over OR
select A, B, C, (A OR B) AND C, A OR (B AND C), A OR B AND C
from t1_30237_bool order by A, B, C;
A B C (A OR B) AND C A OR (B AND C) A OR B AND C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 0 NULL NULL
NULL NULL 1 NULL NULL NULL
NULL 0 NULL NULL NULL NULL
NULL 0 0 0 NULL NULL
NULL 0 1 NULL NULL NULL
NULL 1 NULL NULL NULL NULL
NULL 1 0 0 NULL NULL
NULL 1 1 1 1 1
0 NULL NULL NULL NULL NULL
0 NULL 0 0 0 0
0 NULL 1 NULL NULL NULL
0 0 NULL 0 0 0
0 0 0 0 0 0
0 0 1 0 0 0
0 1 NULL NULL NULL NULL
0 1 0 0 0 0
0 1 1 1 1 1
1 NULL NULL NULL 1 1
1 NULL 0 0 1 1
1 NULL 1 1 1 1
1 0 NULL NULL 1 1
1 0 0 0 1 1
1 0 1 1 1 1
1 1 NULL NULL 1 1
1 1 0 0 1 1
1 1 1 1 1 1
select count(*) from t1_30237_bool
where (A OR (B AND C)) != (A OR B AND C);
count(*)
0
select A, B, C, (A AND B) OR C, A AND (B OR C), A AND B OR C
from t1_30237_bool order by A, B, C;
A B C (A AND B) OR C A AND (B OR C) A AND B OR C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 NULL NULL NULL
NULL NULL 1 1 NULL 1
NULL 0 NULL NULL NULL NULL
NULL 0 0 0 0 0
NULL 0 1 1 NULL 1
NULL 1 NULL NULL NULL NULL
NULL 1 0 NULL NULL NULL
NULL 1 1 1 NULL 1
0 NULL NULL NULL 0 NULL
0 NULL 0 0 0 0
0 NULL 1 1 0 1
0 0 NULL NULL 0 NULL
0 0 0 0 0 0
0 0 1 1 0 1
0 1 NULL NULL 0 NULL
0 1 0 0 0 0
0 1 1 1 0 1
1 NULL NULL NULL NULL NULL
1 NULL 0 NULL NULL NULL
1 NULL 1 1 1 1
1 0 NULL NULL NULL NULL
1 0 0 0 0 0
1 0 1 1 1 1
1 1 NULL 1 1 1
1 1 0 1 1 1
1 1 1 1 1 1
select count(*) from t1_30237_bool
where ((A AND B) OR C) != (A AND B OR C);
count(*)
0
Testing that AND has precedence over XOR
select A, B, C, (A XOR B) AND C, A XOR (B AND C), A XOR B AND C
from t1_30237_bool order by A, B, C;
A B C (A XOR B) AND C A XOR (B AND C) A XOR B AND C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 0 NULL NULL
NULL NULL 1 NULL NULL NULL
NULL 0 NULL NULL NULL NULL
NULL 0 0 0 NULL NULL
NULL 0 1 NULL NULL NULL
NULL 1 NULL NULL NULL NULL
NULL 1 0 0 NULL NULL
NULL 1 1 NULL NULL NULL
0 NULL NULL NULL NULL NULL
0 NULL 0 0 0 0
0 NULL 1 NULL NULL NULL
0 0 NULL 0 0 0
0 0 0 0 0 0
0 0 1 0 0 0
0 1 NULL NULL NULL NULL
0 1 0 0 0 0
0 1 1 1 1 1
1 NULL NULL NULL NULL NULL
1 NULL 0 0 1 1
1 NULL 1 NULL NULL NULL
1 0 NULL NULL 1 1
1 0 0 0 1 1
1 0 1 1 1 1
1 1 NULL 0 NULL NULL
1 1 0 0 1 1
1 1 1 0 0 0
select count(*) from t1_30237_bool
where (A XOR (B AND C)) != (A XOR B AND C);
count(*)
0
select A, B, C, (A AND B) XOR C, A AND (B XOR C), A AND B XOR C
from t1_30237_bool order by A, B, C;
A B C (A AND B) XOR C A AND (B XOR C) A AND B XOR C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 NULL NULL NULL
NULL NULL 1 NULL NULL NULL
NULL 0 NULL NULL NULL NULL
NULL 0 0 0 0 0
NULL 0 1 1 NULL 1
NULL 1 NULL NULL NULL NULL
NULL 1 0 NULL NULL NULL
NULL 1 1 NULL 0 NULL
0 NULL NULL NULL 0 NULL
0 NULL 0 0 0 0
0 NULL 1 1 0 1
0 0 NULL NULL 0 NULL
0 0 0 0 0 0
0 0 1 1 0 1
0 1 NULL NULL 0 NULL
0 1 0 0 0 0
0 1 1 1 0 1
1 NULL NULL NULL NULL NULL
1 NULL 0 NULL NULL NULL
1 NULL 1 NULL NULL NULL
1 0 NULL NULL NULL NULL
1 0 0 0 0 0
1 0 1 1 1 1
1 1 NULL NULL NULL NULL
1 1 0 1 1 1
1 1 1 0 0 0
select count(*) from t1_30237_bool
where ((A AND B) XOR C) != (A AND B XOR C);
count(*)
0
Testing that XOR has precedence over OR
select A, B, C, (A XOR B) OR C, A XOR (B OR C), A XOR B OR C
from t1_30237_bool order by A, B, C;
A B C (A XOR B) OR C A XOR (B OR C) A XOR B OR C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 NULL NULL NULL
NULL NULL 1 1 NULL 1
NULL 0 NULL NULL NULL NULL
NULL 0 0 NULL NULL NULL
NULL 0 1 1 NULL 1
NULL 1 NULL NULL NULL NULL
NULL 1 0 NULL NULL NULL
NULL 1 1 1 NULL 1
0 NULL NULL NULL NULL NULL
0 NULL 0 NULL NULL NULL
0 NULL 1 1 1 1
0 0 NULL NULL NULL NULL
0 0 0 0 0 0
0 0 1 1 1 1
0 1 NULL 1 1 1
0 1 0 1 1 1
0 1 1 1 1 1
1 NULL NULL NULL NULL NULL
1 NULL 0 NULL NULL NULL
1 NULL 1 1 0 1
1 0 NULL 1 NULL 1
1 0 0 1 1 1
1 0 1 1 0 1
1 1 NULL NULL 0 NULL
1 1 0 0 0 0
1 1 1 1 0 1
select count(*) from t1_30237_bool
where ((A XOR B) OR C) != (A XOR B OR C);
count(*)
0
select A, B, C, (A OR B) XOR C, A OR (B XOR C), A OR B XOR C
from t1_30237_bool order by A, B, C;
A B C (A OR B) XOR C A OR (B XOR C) A OR B XOR C
NULL NULL NULL NULL NULL NULL
NULL NULL 0 NULL NULL NULL
NULL NULL 1 NULL NULL NULL
NULL 0 NULL NULL NULL NULL
NULL 0 0 NULL NULL NULL
NULL 0 1 NULL 1 1
NULL 1 NULL NULL NULL NULL
NULL 1 0 1 1 1
NULL 1 1 0 NULL NULL
0 NULL NULL NULL NULL NULL
0 NULL 0 NULL NULL NULL
0 NULL 1 NULL NULL NULL
0 0 NULL NULL NULL NULL
0 0 0 0 0 0
0 0 1 1 1 1
0 1 NULL NULL NULL NULL
0 1 0 1 1 1
0 1 1 0 0 0
1 NULL NULL NULL 1 1
1 NULL 0 1 1 1
1 NULL 1 0 1 1
1 0 NULL NULL 1 1
1 0 0 1 1 1
1 0 1 0 1 1
1 1 NULL NULL 1 1
1 1 0 1 1 1
1 1 1 0 1 1
select count(*) from t1_30237_bool
where (A OR (B XOR C)) != (A OR B XOR C);
count(*)
0
drop table t1_30237_bool;
mysql-test/t/parser_precedence.test 0 → 100644
View file @ d4e34c80
--disable_warnings
drop table if exists t1_30237_bool;
--enable_warnings
create table t1_30237_bool(A boolean, B boolean, C boolean);
insert into t1_30237_bool values
(FALSE, FALSE, FALSE),
(FALSE, FALSE, NULL),
(FALSE, FALSE, TRUE),
(FALSE, NULL, FALSE),
(FALSE, NULL, NULL),
(FALSE, NULL, TRUE),
(FALSE, TRUE, FALSE),
(FALSE, TRUE, NULL),
(FALSE, TRUE, TRUE),
(NULL, FALSE, FALSE),
(NULL, FALSE, NULL),
(NULL, FALSE, TRUE),
(NULL, NULL, FALSE),
(NULL, NULL, NULL),
(NULL, NULL, TRUE),
(NULL, TRUE, FALSE),
(NULL, TRUE, NULL),
(NULL, TRUE, TRUE),
(TRUE, FALSE, FALSE),
(TRUE, FALSE, NULL),
(TRUE, FALSE, TRUE),
(TRUE, NULL, FALSE),
(TRUE, NULL, NULL),
(TRUE, NULL, TRUE),
(TRUE, TRUE, FALSE),
(TRUE, TRUE, NULL),
(TRUE, TRUE, TRUE) ;
--echo Testing OR, XOR, AND
select A, B, A OR B, A XOR B, A AND B
from t1_30237_bool where C is null order by A, B;
--echo Testing that OR is associative
select A, B, C, (A OR B) OR C, A OR (B OR C), A OR B OR C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where ((A OR B) OR C) != (A OR (B OR C));
--echo Testing that XOR is associative
select A, B, C, (A XOR B) XOR C, A XOR (B XOR C), A XOR B XOR C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where ((A XOR B) XOR C) != (A XOR (B XOR C));
--echo Testing that AND is associative
select A, B, C, (A AND B) AND C, A AND (B AND C), A AND B AND C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where ((A AND B) AND C) != (A AND (B AND C));
--echo Testing that AND has precedence over OR
select A, B, C, (A OR B) AND C, A OR (B AND C), A OR B AND C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where (A OR (B AND C)) != (A OR B AND C);
select A, B, C, (A AND B) OR C, A AND (B OR C), A AND B OR C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where ((A AND B) OR C) != (A AND B OR C);
--echo Testing that AND has precedence over XOR
select A, B, C, (A XOR B) AND C, A XOR (B AND C), A XOR B AND C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where (A XOR (B AND C)) != (A XOR B AND C);
select A, B, C, (A AND B) XOR C, A AND (B XOR C), A AND B XOR C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where ((A AND B) XOR C) != (A AND B XOR C);
--echo Testing that XOR has precedence over OR
select A, B, C, (A XOR B) OR C, A XOR (B OR C), A XOR B OR C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where ((A XOR B) OR C) != (A XOR B OR C);
select A, B, C, (A OR B) XOR C, A OR (B XOR C), A OR B XOR C
from t1_30237_bool order by A, B, C;
select count(*) from t1_30237_bool
where (A OR (B XOR C)) != (A OR B XOR C);
drop table t1_30237_bool;
sql/item_cmpfunc.h
View file @ d4e34c80
......@@ -1361,6 +1361,7 @@ public:
Item_cond(List<Item> &nlist)
:Item_bool_func(), list(nlist), abort_on_null(0) {}
bool add(Item *item) { return list.push_back(item); }
bool add_at_head(Item *item) { return list.push_front(item); }
void add_at_head(List<Item> *nlist) { list.prepand(nlist); }
bool fix_fields(THD *, Item **ref);
......@@ -1554,6 +1555,15 @@ public:
Item *neg_transformer(THD *thd);
};
inline bool is_cond_and(Item *item)
{
if (item->type() != Item::COND_ITEM)
return FALSE;
Item_cond *cond_item= (Item_cond*) item;
return (cond_item->functype() == Item_func::COND_AND_FUNC);
}
class Item_cond_or :public Item_cond
{
public:
......@@ -1575,6 +1585,14 @@ public:
Item *neg_transformer(THD *thd);
};
inline bool is_cond_or(Item *item)
{
if (item->type() != Item::COND_ITEM)
return FALSE;
Item_cond *cond_item= (Item_cond*) item;
return (cond_item->functype() == Item_func::COND_OR_FUNC);
}
/*
XOR is Item_cond, not an Item_int_func because we could like to
......
sql/sql_yacc.yy
View file @ d4e34c80
......@@ -458,10 +458,10 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%pure_parser /* We have threads */
/*
Currently there is 251 shift/reduce conflict. We should not introduce
new conflicts any more.
Currently there are 245 shift/reduce conflicts.
We should not introduce new conflicts any more.
*/
%expect 251
%expect 245
%token END_OF_INPUT
......@@ -1011,7 +1011,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
/* A dummy token to force the priority of table_ref production in a join. */
%left TABLE_REF_PRIORITY
%left SET_VAR
%left OR_OR_SYM OR_SYM OR2_SYM XOR
%left OR_OR_SYM OR_SYM OR2_SYM
%left XOR
%left AND_SYM AND_AND_SYM
%left BETWEEN_SYM CASE_SYM WHEN_SYM THEN_SYM ELSE
%left EQ EQUAL_SYM GE GT_SYM LE LT NE IS LIKE REGEXP IN_SYM
......@@ -1024,6 +1025,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%left NEG '~'
%right NOT_SYM NOT2_SYM
%right BINARY COLLATE_SYM
%left INTERVAL_SYM
%type <lex_str>
IDENT IDENT_QUOTED TEXT_STRING DECIMAL_NUM FLOAT_NUM NUM LONG_NUM HEX_NUM
......@@ -1066,7 +1068,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%type <item>
literal text_literal insert_ident order_ident
simple_ident select_item2 expr opt_expr opt_else sum_expr in_sum_expr
variable variable_aux bool_term bool_factor bool_test bool_pri
variable variable_aux bool_factor
bool_test bool_pri
predicate bit_expr bit_term bit_factor value_expr term factor
table_wild simple_expr udf_expr
expr_or_default set_expr_or_default interval_expr
......@@ -4464,53 +4467,103 @@ optional_braces:
| '(' ')' {};
/* all possible expressions */
expr:
bool_term { Select->expr_list.push_front(new List<Item>); }
bool_or_expr
expr:
bool_factor
| expr or expr %prec OR_SYM
{
List<Item> *list= Select->expr_list.pop();
if (list->elements)
/*
Design notes:
Do not use a manually maintained stack like thd->lex->xxx_list,
but use the internal bison stack ($$, $1 and $3) instead.
Using the bison stack is:
- more robust to changes in the grammar,
- guaranteed to be in sync with the parser state,
- better for performances (no memory allocation).
*/
Item_cond_or *item1;
Item_cond_or *item3;
if (is_cond_or($1))
{
list->push_front($1);
$$= new Item_cond_or(*list);
/* optimize construction of logical OR to reduce
amount of objects for complex expressions */
item1= (Item_cond_or*) $1;
if (is_cond_or($3))
{
item3= (Item_cond_or*) $3;
/*
(X1 OR X2) OR (Y1 OR Y2) ==> OR (X1, X2, Y1, Y2)
*/
item3->add_at_head(item1->argument_list());
$$ = $3;
}
else
{
/*
(X1 OR X2) OR Y ==> OR (X1, X2, Y)
*/
item1->add($3);
$$ = $1;
}
}
else if (is_cond_or($3))
{
item3= (Item_cond_or*) $3;
/*
X OR (Y1 OR Y2) ==> OR (X, Y1, Y2)
*/
item3->add_at_head($1);
$$ = $3;
}
else
$$= $1;
delete list;
{
/* X OR Y */
$$ = new (YYTHD->mem_root) Item_cond_or($1, $3);
}
}
;
bool_or_expr:
/* empty */
| bool_or_expr or bool_term
{ Select->expr_list.head()->push_back($3); }
;
bool_term:
bool_term XOR bool_term { $$= new Item_cond_xor($1,$3); }
| bool_factor { Select->expr_list.push_front(new List<Item>); }
bool_and_expr
| expr XOR expr %prec XOR
{
/* XOR is a proprietary extension */
$$ = new (YYTHD->mem_root) Item_cond_xor($1, $3);
}
| expr and expr %prec AND_SYM
{
List<Item> *list= Select->expr_list.pop();
if (list->elements)
/* See comments in rule expr: expr or expr */
Item_cond_and *item1;
Item_cond_and *item3;
if (is_cond_and($1))
{
list->push_front($1);
$$= new Item_cond_and(*list);
/* optimize construction of logical AND to reduce
amount of objects for complex expressions */
item1= (Item_cond_and*) $1;
if (is_cond_and($3))
{
item3= (Item_cond_and*) $3;
/*
(X1 AND X2) AND (Y1 AND Y2) ==> AND (X1, X2, Y1, Y2)
*/
item3->add_at_head(item1->argument_list());
$$ = $3;
}
else
{
/*
(X1 AND X2) AND Y ==> AND (X1, X2, Y)
*/
item1->add($3);
$$ = $1;
}
}
else if (is_cond_and($3))
{
item3= (Item_cond_and*) $3;
/*
X AND (Y1 AND Y2) ==> AND (X, Y1, Y2)
*/
item3->add_at_head($1);
$$ = $3;
}
else
$$= $1;
delete list;
{
/* X AND Y */
$$ = new (YYTHD->mem_root) Item_cond_and($1, $3);
}
}
;
bool_and_expr:
/* empty */
| bool_and_expr and bool_factor
{ Select->expr_list.head()->push_back($3); }
;
bool_factor:
......@@ -4648,7 +4701,8 @@ all_or_any: ALL { $$ = 1; }
;
interval_expr:
INTERVAL_SYM expr { $$=$2; }
INTERVAL_SYM expr %prec INTERVAL_SYM
{ $$=$2; }
;
simple_expr:
......
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