diff options
Diffstat (limited to 'sql/item_cmpfunc.cc')
| -rw-r--r-- | sql/item_cmpfunc.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index 16a3e86e519..4fbe7c241d1 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -1119,6 +1119,9 @@ Item_func_nullif::fix_length_and_dec() max_length=args[0]->max_length; decimals=args[0]->decimals; agg_result_type(&cached_result_type, args, 2); + if (cached_result_type == STRING_RESULT && + agg_arg_charsets(collation, args, arg_count, MY_COLL_CMP_CONV)) + return; } } |