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Kirill Smelkov
mariadb
Commits
31d43a5e
Commit
31d43a5e
authored
Feb 18, 2003
by
unknown
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Merge sanja.is.com.ua:/home/bell/mysql/mysql-3.23
into sanja.is.com.ua:/home/bell/mysql/work-3.23
parents
cfa33018
1f66df4d
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sql/item_cmpfunc.h
sql/item_cmpfunc.h
+10
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sql/item_cmpfunc.h
View file @
31d43a5e
...
...
@@ -449,17 +449,19 @@ public:
void
update_used_tables
()
{
if
(
!
args
[
0
]
->
maybe_null
)
used_tables_cache
=
0
;
/* is always false */
else
{
args
[
0
]
->
update_used_tables
();
used_tables_cache
=
args
[
0
]
->
used_tables
()
;
used_tables_cache
=
0
;
/* is always false */
cached_value
=
(
longlong
)
0
;
}
if
(
!
used_tables_cache
)
else
{
/* Remember if the value is always NULL or never NULL */
args
[
0
]
->
val
();
cached_value
=
args
[
0
]
->
null_value
?
(
longlong
)
1
:
(
longlong
)
0
;
args
[
0
]
->
update_used_tables
();
if
(
!
(
used_tables_cache
=
args
[
0
]
->
used_tables
()))
{
/* Remember if the value is always NULL or never NULL */
args
[
0
]
->
val
();
cached_value
=
args
[
0
]
->
null_value
?
(
longlong
)
1
:
(
longlong
)
0
;
}
}
}
optimize_type
select_optimize
()
const
{
return
OPTIMIZE_NULL
;
}
...
...
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