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Merge mysql.com:/home/alexi/mysql-5.0

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into  mysql.com:/home/alexi/dev/mysql-5.0-0
This commit is contained in:
aivanov@mysql.com
2005-09-07 18:58:58 +04:00
parent d261e1f5c5 4b245a2803
commit d6398c1aae
8 changed files with 381 additions and 57 deletions
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13
sql/sql_select.cc
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@ -2862,19 +2862,6 @@ add_key_fields(KEY_FIELD **key_fields,uint *and_level,
if (cond->type() != Item::FUNC_ITEM)
return;
Item_func *cond_func= (Item_func*) cond;
if (cond_func->functype() == Item_func::NOT_FUNC)
{
Item *item= cond_func->arguments()[0];
/*
At this moment all NOT before simple comparison predicates
are eliminated. NOT IN and NOT BETWEEN are treated similar
IN and BETWEEN respectively.
*/
if (item->type() == Item::FUNC_ITEM &&
((Item_func *) item)->select_optimize() == Item_func::OPTIMIZE_KEY)
add_key_fields(key_fields,and_level,item,usable_tables);
return;
}
switch (cond_func->select_optimize()) {
case Item_func::OPTIMIZE_NONE:
break;