diff options
Diffstat (limited to 'sql/item_func.cc')
| -rw-r--r-- | sql/item_func.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/item_func.cc b/sql/item_func.cc index 58ef44cc225..3cc0fd077a4 100644 --- a/sql/item_func.cc +++ b/sql/item_func.cc @@ -292,7 +292,8 @@ Item *Item_func::transform(Item_transformer transformer, byte *argument) Item *new_item= (*arg)->transform(transformer, argument); if (!new_item) return 0; - *arg= new_item; + if (*arg != new_item) + current_thd->change_item_tree(arg, new_item); } } return (this->*transformer)(argument); |