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| author | Alexander Barkov <bar@mariadb.com> | 2019-03-21 13:43:17 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mariadb.com> | 2019-03-22 07:28:59 +0400 |
| commit | f4484dfdbf2d78b0f357916ebd8ade024dd73c09 (patch) | |
| tree | 680aca6e1cf1290efd65fa5fa53e936169394422 /sql/item_cmpfunc.h | |
| parent | 482710b20c28e2cdc598dc37468cc5dc06c53ac1 (diff) | |
| download | mariadb-git-f4484dfdbf2d78b0f357916ebd8ade024dd73c09.tar.gz | |
MDEV-19008 Slow EXPLAIN SELECT ... WHERE col IN (const1,const2,(subquery))
Diffstat (limited to 'sql/item_cmpfunc.h')
| -rw-r--r-- | sql/item_cmpfunc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index 4a1202837f4..06f15503258 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -2281,7 +2281,7 @@ class Item_func_in :public Item_func_opt_neg, { for (uint i= 0; i < nitems; i++) { - if (!items[i]->const_item()) + if (!items[i]->const_item() || items[i]->is_expensive()) return false; } return true; |