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Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1

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into sanja.is.com.ua:/home/bell/mysql/bk/work-alloc_group-4.1
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bell@sanja.is.com.ua
2003-07-05 00:10:51 +03:00
parent 17f13a4a79 bad00c38df
commit f9936c61f7
17 changed files with 339 additions and 205 deletions
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16
sql/sql_select.cc
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@ -2032,9 +2032,7 @@ add_key_fields(JOIN_TAB *stat,KEY_FIELD **key_fields,uint *and_level,
break;
case Item_func::OPTIMIZE_KEY:
if (cond_func->key_item()->real_item()->type() == Item::FIELD_ITEM &&
// field from outer query can't be used as key
!((Item_field*) (cond_func->key_item()->real_item()))
->depended_from)
!(cond_func->used_tables() & OUTER_REF_TABLE_BIT))
add_key_field(key_fields,*and_level,
((Item_field*) (cond_func->key_item()->real_item()))
->field,
@ -2046,9 +2044,7 @@ add_key_fields(JOIN_TAB *stat,KEY_FIELD **key_fields,uint *and_level,
cond_func->functype() == Item_func::EQUAL_FUNC);
if (cond_func->arguments()[0]->real_item()->type() == Item::FIELD_ITEM &&
// field from outer query can't be used as key
!((Item_field*) (cond_func->arguments()[0]->real_item()))
->depended_from)
!(cond_func->arguments()[0]->used_tables() & OUTER_REF_TABLE_BIT))
{
add_key_field(key_fields,*and_level,
((Item_field*) (cond_func->arguments()[0])->real_item())
@ -2058,9 +2054,7 @@ add_key_fields(JOIN_TAB *stat,KEY_FIELD **key_fields,uint *and_level,
}
if (cond_func->arguments()[1]->real_item()->type() == Item::FIELD_ITEM &&
cond_func->functype() != Item_func::LIKE_FUNC &&
// field from outer query can't be used as key
!((Item_field*) (cond_func->arguments()[1]->real_item()))
->depended_from)
!(cond_func->arguments()[1]->used_tables() & OUTER_REF_TABLE_BIT))
{
add_key_field(key_fields,*and_level,
((Item_field*) (cond_func->arguments()[1])->real_item())
@ -2073,9 +2067,7 @@ add_key_fields(JOIN_TAB *stat,KEY_FIELD **key_fields,uint *and_level,
case Item_func::OPTIMIZE_NULL:
/* column_name IS [NOT] NULL */
if (cond_func->arguments()[0]->real_item()->type() == Item::FIELD_ITEM &&
// field from outer query can't be used as key
!((Item_field*) (cond_func->arguments()[0]->real_item()))
->depended_from)
!(cond_func->used_tables() & OUTER_REF_TABLE_BIT))
{
add_key_field(key_fields,*and_level,
((Item_field*) (cond_func->arguments()[0])->real_item())