diff options
Diffstat (limited to 'sql/item_sum.cc')
-rw-r--r-- | sql/item_sum.cc | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index 74a7fee113e..000dcdb4997 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -1916,7 +1916,7 @@ Item_func_group_concat::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref) } thd->allow_sum_func= 0; - maybe_null= 0; + maybe_null= 1; item_thd= thd; /* @@ -1929,8 +1929,6 @@ Item_func_group_concat::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref) args[i]->fix_fields(thd, tables, args + i)) || args[i]->check_cols(1)) return 1; - if (i < arg_count_field) - maybe_null|= args[i]->maybe_null; } if (agg_item_charsets(collation, func_name(), |