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mirror of https://github.com/MariaDB/server.git synced 2026-01-06 05:22:24 +03:00
This commit is contained in:
bell@sanja.is.com.ua
2003-07-07 10:30:52 +03:00
19 changed files with 398 additions and 252 deletions

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@@ -2053,9 +2053,7 @@ 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,
@@ -2067,9 +2065,7 @@ 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())
@@ -2079,9 +2075,7 @@ 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())
@@ -2094,9 +2088,7 @@ 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())