diff options
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index 2cab05b26ab..af47578e8e3 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -7244,8 +7244,10 @@ static SEL_TREE *get_mm_tree(RANGE_OPT_PARAM *param,COND *cond) DBUG_RETURN(tree); } /* Here when simple cond */ - if (cond->const_item() && !cond->is_expensive()) + if (cond->const_item()) { + if (cond->is_expensive()) + DBUG_RETURN(0); /* During the cond->val_int() evaluation we can come across a subselect item which may allocate memory on the thd->mem_root and assumes |