Commit 6adefe41 authored by serg@sergbook.mysql.com's avatar serg@sergbook.mysql.com

Merge bk-internal.mysql.com:/home/bk/mysql-4.0

into sergbook.mysql.com:/usr/home/serg/Abk/mysql-4.0
parents 3cd6299b e2a3ca86
......@@ -255,7 +255,7 @@ t1 ref y y 5 const 1 Using where
t2 range x x 5 NULL 2 Using where
explain select count(*) from t1 where x in (1);
table type possible_keys key key_len ref rows Extra
t1 range x x 5 NULL 1 Using where; Using index
t1 ref x x 5 const 1 Using where; Using index
explain select count(*) from t1 where x in (1,2);
table type possible_keys key key_len ref rows Extra
t1 range x x 5 NULL 2 Using where; Using index
......
......@@ -1590,12 +1590,14 @@ add_key_fields(JOIN_TAB *stat,KEY_FIELD **key_fields,uint *and_level,
// BETWEEN or IN
if (cond_func->key_item()->type() == Item::FIELD_ITEM)
add_key_field(key_fields,*and_level,
((Item_field*) (cond_func->key_item()))->field, 0,
((Item_field*) (cond_func->key_item()))->field,
#ifndef TO_BE_REMOVED_IN_4_1
/* special treatment for IN. Not necessary in 4.1 */
cond_func->argument_count() == 1,
cond_func->arguments() + (cond_func->functype() != Item_func::IN_FUNC),
cond_func->argument_count() - (cond_func->functype() != Item_func::IN_FUNC),
#else
cond_func->argument_count() == 2,
cond_func->arguments()+1, cond_func->argument_count()-1,
#endif
usable_tables);
......
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