diff options
Diffstat (limited to 'sql/item_cmpfunc.cc')
| -rw-r--r-- | sql/item_cmpfunc.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index 923bbccde24..79d695eea1e 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -1120,6 +1120,8 @@ Item_cond::fix_fields(THD *thd,TABLE_LIST *tables) used_tables_cache|=item->used_tables(); with_sum_func= with_sum_func || item->with_sum_func; const_item_cache&=item->const_item(); + if (item->maybe_null) + maybe_null=1; } if (thd) thd->cond_count+=list.elements; |