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nexedi
MariaDB
Commits
451cd9e3
Commit
451cd9e3
authored
Oct 07, 2003
by
unknown
Browse files
Options
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Plain Diff
merge
sql/sql_yacc.yy: Auto merged
parents
67b5aa64
45b96bb8
Changes
3
Show whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
59 additions
and
56 deletions
+59
-56
sql/item_subselect.cc
sql/item_subselect.cc
+28
-30
sql/item_subselect.h
sql/item_subselect.h
+20
-13
sql/sql_yacc.yy
sql/sql_yacc.yy
+11
-13
No files found.
sql/item_subselect.cc
View file @
451cd9e3
...
@@ -46,7 +46,7 @@ Item_subselect::Item_subselect():
...
@@ -46,7 +46,7 @@ Item_subselect::Item_subselect():
null_value
=
1
;
null_value
=
1
;
}
}
void
Item_subselect
::
init
(
THD
*
thd
,
st_select_lex
*
select_lex
,
void
Item_subselect
::
init
(
st_select_lex
*
select_lex
,
select_subselect
*
result
)
select_subselect
*
result
)
{
{
...
@@ -54,11 +54,10 @@ void Item_subselect::init(THD *thd, st_select_lex *select_lex,
...
@@ -54,11 +54,10 @@ void Item_subselect::init(THD *thd, st_select_lex *select_lex,
DBUG_PRINT
(
"subs"
,
(
"select_lex 0x%xl"
,
(
ulong
)
select_lex
));
DBUG_PRINT
(
"subs"
,
(
"select_lex 0x%xl"
,
(
ulong
)
select_lex
));
if
(
select_lex
->
next_select
())
if
(
select_lex
->
next_select
())
engine
=
new
subselect_union_engine
(
thd
,
select_lex
->
master_unit
(),
result
,
engine
=
new
subselect_union_engine
(
select_lex
->
master_unit
(),
result
,
this
);
this
);
else
else
engine
=
new
subselect_single_select_engine
(
thd
,
select_lex
,
result
,
engine
=
new
subselect_single_select_engine
(
select_lex
,
result
,
this
);
this
);
DBUG_VOID_RETURN
;
DBUG_VOID_RETURN
;
}
}
...
@@ -78,7 +77,7 @@ Item_subselect::select_transformer(JOIN *join)
...
@@ -78,7 +77,7 @@ Item_subselect::select_transformer(JOIN *join)
bool
Item_subselect
::
fix_fields
(
THD
*
thd_param
,
TABLE_LIST
*
tables
,
Item
**
ref
)
bool
Item_subselect
::
fix_fields
(
THD
*
thd_param
,
TABLE_LIST
*
tables
,
Item
**
ref
)
{
{
thd
=
thd_param
;
engine
->
set_thd
((
thd
=
thd_param
))
;
char
const
*
save_where
=
thd
->
where
;
char
const
*
save_where
=
thd
->
where
;
int
res
=
engine
->
prepare
();
int
res
=
engine
->
prepare
();
...
@@ -151,12 +150,11 @@ inline table_map Item_subselect::used_tables() const
...
@@ -151,12 +150,11 @@ inline table_map Item_subselect::used_tables() const
(
engine
->
uncacheable
()
?
RAND_TABLE_BIT
:
0L
));
(
engine
->
uncacheable
()
?
RAND_TABLE_BIT
:
0L
));
}
}
Item_singlerow_subselect
::
Item_singlerow_subselect
(
THD
*
thd
,
Item_singlerow_subselect
::
Item_singlerow_subselect
(
st_select_lex
*
select_lex
)
st_select_lex
*
select_lex
)
:
Item_subselect
(),
value
(
0
)
:
Item_subselect
(),
value
(
0
)
{
{
DBUG_ENTER
(
"Item_singlerow_subselect::Item_singlerow_subselect"
);
DBUG_ENTER
(
"Item_singlerow_subselect::Item_singlerow_subselect"
);
init
(
thd
,
select_lex
,
new
select_singlerow_subselect
(
this
));
init
(
select_lex
,
new
select_singlerow_subselect
(
this
));
max_columns
=
1
;
max_columns
=
1
;
maybe_null
=
1
;
maybe_null
=
1
;
max_columns
=
UINT_MAX
;
max_columns
=
UINT_MAX
;
...
@@ -338,12 +336,11 @@ String *Item_singlerow_subselect::val_str (String *str)
...
@@ -338,12 +336,11 @@ String *Item_singlerow_subselect::val_str (String *str)
}
}
}
}
Item_exists_subselect
::
Item_exists_subselect
(
THD
*
thd
,
Item_exists_subselect
::
Item_exists_subselect
(
st_select_lex
*
select_lex
)
:
st_select_lex
*
select_lex
)
:
Item_subselect
()
Item_subselect
()
{
{
DBUG_ENTER
(
"Item_exists_subselect::Item_exists_subselect"
);
DBUG_ENTER
(
"Item_exists_subselect::Item_exists_subselect"
);
init
(
thd
,
select_lex
,
new
select_exists_subselect
(
this
));
init
(
select_lex
,
new
select_exists_subselect
(
this
));
max_columns
=
UINT_MAX
;
max_columns
=
UINT_MAX
;
null_value
=
0
;
//can't be NULL
null_value
=
0
;
//can't be NULL
maybe_null
=
0
;
//can't be NULL
maybe_null
=
0
;
//can't be NULL
...
@@ -368,13 +365,13 @@ bool Item_in_subselect::test_limit(SELECT_LEX_UNIT *unit)
...
@@ -368,13 +365,13 @@ bool Item_in_subselect::test_limit(SELECT_LEX_UNIT *unit)
return
(
0
);
return
(
0
);
}
}
Item_in_subselect
::
Item_in_subselect
(
THD
*
thd
,
Item
*
left_exp
,
Item_in_subselect
::
Item_in_subselect
(
Item
*
left_exp
,
st_select_lex
*
select_lex
)
:
st_select_lex
*
select_lex
)
:
Item_exists_subselect
(),
upper_not
(
0
)
Item_exists_subselect
(),
upper_not
(
0
)
{
{
DBUG_ENTER
(
"Item_in_subselect::Item_in_subselect"
);
DBUG_ENTER
(
"Item_in_subselect::Item_in_subselect"
);
left_expr
=
left_exp
;
left_expr
=
left_exp
;
init
(
thd
,
select_lex
,
new
select_exists_subselect
(
this
));
init
(
select_lex
,
new
select_exists_subselect
(
this
));
max_columns
=
UINT_MAX
;
max_columns
=
UINT_MAX
;
maybe_null
=
1
;
maybe_null
=
1
;
abort_on_null
=
0
;
abort_on_null
=
0
;
...
@@ -384,7 +381,7 @@ Item_in_subselect::Item_in_subselect(THD *thd, Item * left_exp,
...
@@ -384,7 +381,7 @@ Item_in_subselect::Item_in_subselect(THD *thd, Item * left_exp,
DBUG_VOID_RETURN
;
DBUG_VOID_RETURN
;
}
}
Item_allany_subselect
::
Item_allany_subselect
(
THD
*
thd
,
Item
*
left_exp
,
Item_allany_subselect
::
Item_allany_subselect
(
Item
*
left_exp
,
compare_func_creator
fn
,
compare_func_creator
fn
,
st_select_lex
*
select_lex
)
st_select_lex
*
select_lex
)
:
Item_in_subselect
()
:
Item_in_subselect
()
...
@@ -392,7 +389,7 @@ Item_allany_subselect::Item_allany_subselect(THD *thd, Item * left_exp,
...
@@ -392,7 +389,7 @@ Item_allany_subselect::Item_allany_subselect(THD *thd, Item * left_exp,
DBUG_ENTER
(
"Item_in_subselect::Item_in_subselect"
);
DBUG_ENTER
(
"Item_in_subselect::Item_in_subselect"
);
left_expr
=
left_exp
;
left_expr
=
left_exp
;
func
=
fn
;
func
=
fn
;
init
(
thd
,
select_lex
,
new
select_exists_subselect
(
this
));
init
(
select_lex
,
new
select_exists_subselect
(
this
));
max_columns
=
1
;
max_columns
=
1
;
abort_on_null
=
0
;
abort_on_null
=
0
;
reset
();
reset
();
...
@@ -783,12 +780,11 @@ Item_allany_subselect::select_transformer(JOIN *join)
...
@@ -783,12 +780,11 @@ Item_allany_subselect::select_transformer(JOIN *join)
}
}
subselect_single_select_engine
::
subselect_single_select_engine
::
subselect_single_select_engine
(
THD
*
thd
,
subselect_single_select_engine
(
st_select_lex
*
select
,
st_select_lex
*
select
,
select_subselect
*
result
,
select_subselect
*
result
,
Item_subselect
*
item
)
:
Item_subselect
*
item
)
subselect_engine
(
thd
,
item
,
result
),
:
subselect_engine
(
item
,
result
),
prepared
(
0
),
optimized
(
0
),
executed
(
0
)
prepared
(
0
),
optimized
(
0
),
executed
(
0
),
join
(
0
)
{
{
select_lex
=
select
;
select_lex
=
select
;
SELECT_LEX_UNIT
*
unit
=
select_lex
->
master_unit
();
SELECT_LEX_UNIT
*
unit
=
select_lex
->
master_unit
();
...
@@ -799,24 +795,19 @@ subselect_single_select_engine::
...
@@ -799,24 +795,19 @@ subselect_single_select_engine::
unit
->
select_limit_cnt
=
HA_POS_ERROR
;
// no limit
unit
->
select_limit_cnt
=
HA_POS_ERROR
;
// no limit
if
(
unit
->
select_limit_cnt
==
HA_POS_ERROR
)
if
(
unit
->
select_limit_cnt
==
HA_POS_ERROR
)
select_lex
->
options
&=
~
OPTION_FOUND_ROWS
;
select_lex
->
options
&=
~
OPTION_FOUND_ROWS
;
join
=
new
JOIN
(
thd
,
select_lex
->
item_list
,
select_lex
->
options
,
result
);
if
(
!
join
||
!
result
)
//out of memory
thd
->
fatal_error
();
unit
->
item
=
item
;
unit
->
item
=
item
;
this
->
select_lex
=
select_lex
;
this
->
select_lex
=
select_lex
;
}
}
subselect_union_engine
::
subselect_union_engine
(
THD
*
thd
,
subselect_union_engine
::
subselect_union_engine
(
st_select_lex_unit
*
u
,
st_select_lex_unit
*
u
,
select_subselect
*
result
,
select_subselect
*
result
,
Item_subselect
*
item
)
:
Item_subselect
*
item
)
subselect_engine
(
thd
,
item
,
result
)
:
subselect_engine
(
item
,
result
)
{
{
unit
=
u
;
unit
=
u
;
if
(
!
result
)
if
(
!
result
)
//out of memory
//out of memory
thd
->
fatal_error
();
current_
thd
->
fatal_error
();
unit
->
item
=
item
;
unit
->
item
=
item
;
}
}
...
@@ -824,6 +815,13 @@ int subselect_single_select_engine::prepare()
...
@@ -824,6 +815,13 @@ int subselect_single_select_engine::prepare()
{
{
if
(
prepared
)
if
(
prepared
)
return
0
;
return
0
;
join
=
new
JOIN
(
thd
,
select_lex
->
item_list
,
select_lex
->
options
,
result
);
if
(
!
join
||
!
result
)
{
//out of memory
thd
->
fatal_error
();
return
1
;
}
prepared
=
1
;
prepared
=
1
;
SELECT_LEX
*
save_select
=
thd
->
lex
.
current_select
;
SELECT_LEX
*
save_select
=
thd
->
lex
.
current_select
;
thd
->
lex
.
current_select
=
select_lex
;
thd
->
lex
.
current_select
=
select_lex
;
...
...
sql/item_subselect.h
View file @
451cd9e3
...
@@ -75,7 +75,7 @@ class Item_subselect :public Item_result_field
...
@@ -75,7 +75,7 @@ class Item_subselect :public Item_result_field
pointer in constructor initialization list, but we need pass pointer
pointer in constructor initialization list, but we need pass pointer
to subselect Item class to select_subselect classes constructor.
to subselect Item class to select_subselect classes constructor.
*/
*/
virtual
void
init
(
THD
*
thd
,
st_select_lex
*
select_lex
,
virtual
void
init
(
st_select_lex
*
select_lex
,
select_subselect
*
result
);
select_subselect
*
result
);
~
Item_subselect
();
~
Item_subselect
();
...
@@ -122,7 +122,7 @@ class Item_singlerow_subselect :public Item_subselect
...
@@ -122,7 +122,7 @@ class Item_singlerow_subselect :public Item_subselect
protected:
protected:
Item_cache
*
value
,
**
row
;
Item_cache
*
value
,
**
row
;
public:
public:
Item_singlerow_subselect
(
THD
*
thd
,
st_select_lex
*
select_lex
);
Item_singlerow_subselect
(
st_select_lex
*
select_lex
);
Item_singlerow_subselect
(
Item_singlerow_subselect
*
item
)
:
Item_singlerow_subselect
(
Item_singlerow_subselect
*
item
)
:
Item_subselect
(
item
)
Item_subselect
(
item
)
{
{
...
@@ -171,7 +171,7 @@ class Item_exists_subselect :public Item_subselect
...
@@ -171,7 +171,7 @@ class Item_exists_subselect :public Item_subselect
longlong
value
;
/* value of this item (boolean: exists/not-exists) */
longlong
value
;
/* value of this item (boolean: exists/not-exists) */
public:
public:
Item_exists_subselect
(
THD
*
thd
,
st_select_lex
*
select_lex
);
Item_exists_subselect
(
st_select_lex
*
select_lex
);
Item_exists_subselect
(
Item_exists_subselect
*
item
)
:
Item_exists_subselect
(
Item_exists_subselect
*
item
)
:
Item_subselect
(
item
)
Item_subselect
(
item
)
{
{
...
@@ -214,7 +214,7 @@ class Item_in_subselect :public Item_exists_subselect
...
@@ -214,7 +214,7 @@ class Item_in_subselect :public Item_exists_subselect
public:
public:
Item_func_not_all
*
upper_not
;
// point on NOT before ALL subquery
Item_func_not_all
*
upper_not
;
// point on NOT before ALL subquery
Item_in_subselect
(
THD
*
thd
,
Item
*
left_expr
,
st_select_lex
*
select_lex
);
Item_in_subselect
(
Item
*
left_expr
,
st_select_lex
*
select_lex
);
Item_in_subselect
(
Item_in_subselect
*
item
);
Item_in_subselect
(
Item_in_subselect
*
item
);
Item_in_subselect
()
Item_in_subselect
()
:
Item_exists_subselect
(),
abort_on_null
(
0
),
upper_not
(
0
)
{}
:
Item_exists_subselect
(),
abort_on_null
(
0
),
upper_not
(
0
)
{}
...
@@ -250,7 +250,7 @@ class Item_allany_subselect :public Item_in_subselect
...
@@ -250,7 +250,7 @@ class Item_allany_subselect :public Item_in_subselect
compare_func_creator
func
;
compare_func_creator
func
;
public:
public:
Item_allany_subselect
(
THD
*
thd
,
Item
*
left_expr
,
compare_func_creator
f
,
Item_allany_subselect
(
Item
*
left_expr
,
compare_func_creator
f
,
st_select_lex
*
select_lex
);
st_select_lex
*
select_lex
);
Item_allany_subselect
(
Item_allany_subselect
*
item
);
Item_allany_subselect
(
Item_allany_subselect
*
item
);
// only ALL subquery has upper not
// only ALL subquery has upper not
...
@@ -268,16 +268,19 @@ class subselect_engine: public Sql_alloc
...
@@ -268,16 +268,19 @@ class subselect_engine: public Sql_alloc
bool
maybe_null
;
/* may be null (first item in select) */
bool
maybe_null
;
/* may be null (first item in select) */
public:
public:
subselect_engine
(
THD
*
thd
,
Item_subselect
*
si
,
select_subselect
*
res
)
subselect_engine
(
Item_subselect
*
si
,
select_subselect
*
res
)
:
thd
(
0
)
{
{
result
=
res
;
result
=
res
;
item
=
si
;
item
=
si
;
this
->
thd
=
thd
;
res_type
=
STRING_RESULT
;
res_type
=
STRING_RESULT
;
maybe_null
=
0
;
maybe_null
=
0
;
}
}
virtual
~
subselect_engine
()
{};
// to satisfy compiler
virtual
~
subselect_engine
()
{};
// to satisfy compiler
// set_thd should be called before prepare()
void
set_thd
(
THD
*
thd
)
{
this
->
thd
=
thd
;
}
THD
*
get_thd
()
{
return
thd
;
}
virtual
int
prepare
()
=
0
;
virtual
int
prepare
()
=
0
;
virtual
void
fix_length_and_dec
(
Item_cache
**
row
)
=
0
;
virtual
void
fix_length_and_dec
(
Item_cache
**
row
)
=
0
;
virtual
int
exec
()
=
0
;
virtual
int
exec
()
=
0
;
...
@@ -297,7 +300,7 @@ class subselect_single_select_engine: public subselect_engine
...
@@ -297,7 +300,7 @@ class subselect_single_select_engine: public subselect_engine
st_select_lex
*
select_lex
;
/* corresponding select_lex */
st_select_lex
*
select_lex
;
/* corresponding select_lex */
JOIN
*
join
;
/* corresponding JOIN structure */
JOIN
*
join
;
/* corresponding JOIN structure */
public:
public:
subselect_single_select_engine
(
THD
*
thd
,
st_select_lex
*
select
,
subselect_single_select_engine
(
st_select_lex
*
select
,
select_subselect
*
result
,
select_subselect
*
result
,
Item_subselect
*
item
);
Item_subselect
*
item
);
int
prepare
();
int
prepare
();
...
@@ -313,8 +316,7 @@ class subselect_union_engine: public subselect_engine
...
@@ -313,8 +316,7 @@ class subselect_union_engine: public subselect_engine
{
{
st_select_lex_unit
*
unit
;
/* corresponding unit structure */
st_select_lex_unit
*
unit
;
/* corresponding unit structure */
public:
public:
subselect_union_engine
(
THD
*
thd
,
subselect_union_engine
(
st_select_lex_unit
*
u
,
st_select_lex_unit
*
u
,
select_subselect
*
result
,
select_subselect
*
result
,
Item_subselect
*
item
);
Item_subselect
*
item
);
int
prepare
();
int
prepare
();
...
@@ -334,10 +336,13 @@ class subselect_uniquesubquery_engine: public subselect_engine
...
@@ -334,10 +336,13 @@ class subselect_uniquesubquery_engine: public subselect_engine
Item
*
cond
;
Item
*
cond
;
public:
public:
// constructor can assign THD because it will be called after JOIN::prepare
subselect_uniquesubquery_engine
(
THD
*
thd
,
st_join_table
*
tab_arg
,
subselect_uniquesubquery_engine
(
THD
*
thd
,
st_join_table
*
tab_arg
,
Item_subselect
*
subs
,
Item
*
where
)
Item_subselect
*
subs
,
Item
*
where
)
:
subselect_engine
(
thd
,
subs
,
0
),
tab
(
tab_arg
),
cond
(
where
)
:
subselect_engine
(
subs
,
0
),
tab
(
tab_arg
),
cond
(
where
)
{}
{
set_thd
(
thd
);
}
int
prepare
();
int
prepare
();
void
fix_length_and_dec
(
Item_cache
**
row
);
void
fix_length_and_dec
(
Item_cache
**
row
);
...
@@ -353,6 +358,8 @@ class subselect_indexsubquery_engine: public subselect_uniquesubquery_engine
...
@@ -353,6 +358,8 @@ class subselect_indexsubquery_engine: public subselect_uniquesubquery_engine
{
{
bool
check_null
;
bool
check_null
;
public:
public:
// constructor can assign THD because it will be called after JOIN::prepare
subselect_indexsubquery_engine
(
THD
*
thd
,
st_join_table
*
tab_arg
,
subselect_indexsubquery_engine
(
THD
*
thd
,
st_join_table
*
tab_arg
,
Item_subselect
*
subs
,
Item
*
where
,
Item_subselect
*
subs
,
Item
*
where
,
bool
chk_null
)
bool
chk_null
)
...
...
sql/sql_yacc.yy
View file @
451cd9e3
...
@@ -2238,10 +2238,10 @@ expr_expr:
...
@@ -2238,10 +2238,10 @@ expr_expr:
| expr NOT IN_SYM '(' expr_list ')'
| expr NOT IN_SYM '(' expr_list ')'
{ $5->push_front($1); $$= new Item_func_not(new Item_func_in(*$5)); }
{ $5->push_front($1); $$= new Item_func_not(new Item_func_in(*$5)); }
| expr IN_SYM in_subselect
| expr IN_SYM in_subselect
{ $$= new Item_in_subselect(
YYTHD,
$1, $3); }
{ $$= new Item_in_subselect($1, $3); }
| expr NOT IN_SYM in_subselect
| expr NOT IN_SYM in_subselect
{
{
$$= new Item_func_not(new Item_in_subselect(
YYTHD,
$1, $4));
$$= new Item_func_not(new Item_in_subselect($1, $4));
}
}
| expr BETWEEN_SYM no_and_expr AND expr
| expr BETWEEN_SYM no_and_expr AND expr
{ $$= new Item_func_between($1,$3,$5); }
{ $$= new Item_func_between($1,$3,$5); }
...
@@ -2263,7 +2263,7 @@ expr_expr:
...
@@ -2263,7 +2263,7 @@ expr_expr:
| expr comp_op all_or_any in_subselect %prec EQ
| expr comp_op all_or_any in_subselect %prec EQ
{
{
Item_allany_subselect *it=
Item_allany_subselect *it=
new Item_allany_subselect(
YYTHD,
$1, (*$2)($3), $4);
new Item_allany_subselect($1, (*$2)($3), $4);
if ($3)
if ($3)
$$ = it->upper_not= new Item_func_not_all(it); /* ALL */
$$ = it->upper_not= new Item_func_not_all(it); /* ALL */
else
else
...
@@ -2309,7 +2309,7 @@ no_in_expr:
...
@@ -2309,7 +2309,7 @@ no_in_expr:
| no_in_expr comp_op all_or_any in_subselect %prec EQ
| no_in_expr comp_op all_or_any in_subselect %prec EQ
{
{
Item_allany_subselect *it=
Item_allany_subselect *it=
new Item_allany_subselect(
YYTHD,
$1, (*$2)($3), $4);
new Item_allany_subselect($1, (*$2)($3), $4);
if ($3)
if ($3)
$$ = it->upper_not= new Item_func_not_all(it); /* ALL */
$$ = it->upper_not= new Item_func_not_all(it); /* ALL */
else
else
...
@@ -2340,10 +2340,10 @@ no_and_expr:
...
@@ -2340,10 +2340,10 @@ no_and_expr:
| no_and_expr NOT IN_SYM '(' expr_list ')'
| no_and_expr NOT IN_SYM '(' expr_list ')'
{ $5->push_front($1); $$= new Item_func_not(new Item_func_in(*$5)); }
{ $5->push_front($1); $$= new Item_func_not(new Item_func_in(*$5)); }
| no_and_expr IN_SYM in_subselect
| no_and_expr IN_SYM in_subselect
{ $$= new Item_in_subselect(
YYTHD,
$1, $3); }
{ $$= new Item_in_subselect($1, $3); }
| no_and_expr NOT IN_SYM in_subselect
| no_and_expr NOT IN_SYM in_subselect
{
{
$$= new Item_func_not(new Item_in_subselect(
YYTHD,
$1, $4));
$$= new Item_func_not(new Item_in_subselect($1, $4));
}
}
| no_and_expr BETWEEN_SYM no_and_expr AND expr
| no_and_expr BETWEEN_SYM no_and_expr AND expr
{ $$= new Item_func_between($1,$3,$5); }
{ $$= new Item_func_between($1,$3,$5); }
...
@@ -2364,7 +2364,7 @@ no_and_expr:
...
@@ -2364,7 +2364,7 @@ no_and_expr:
| no_and_expr comp_op all_or_any in_subselect %prec EQ
| no_and_expr comp_op all_or_any in_subselect %prec EQ
{
{
Item_allany_subselect *it=
Item_allany_subselect *it=
new Item_allany_subselect(
YYTHD,
$1, (*$2)($3), $4);
new Item_allany_subselect($1, (*$2)($3), $4);
if ($3)
if ($3)
$$ = it->upper_not= new Item_func_not_all(it); /* ALL */
$$ = it->upper_not= new Item_func_not_all(it); /* ALL */
else
else
...
@@ -5356,9 +5356,8 @@ singlerow_subselect:
...
@@ -5356,9 +5356,8 @@ singlerow_subselect:
singlerow_subselect_init:
singlerow_subselect_init:
select_init2
select_init2
{
{
$$= new Item_singlerow_subselect(YYTHD,
$$= new Item_singlerow_subselect(Lex->current_select->
Lex->current_select->master_unit()->
master_unit()->first_select());
first_select());
};
};
exists_subselect:
exists_subselect:
...
@@ -5371,8 +5370,7 @@ exists_subselect:
...
@@ -5371,8 +5370,7 @@ exists_subselect:
exists_subselect_init:
exists_subselect_init:
select_init2
select_init2
{
{
$$= new Item_exists_subselect(YYTHD,
$$= new Item_exists_subselect(Lex->current_select->master_unit()->
Lex->current_select->master_unit()->
first_select());
first_select());
};
};
...
...
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