diff options
| -rw-r--r-- | sql/item_sum.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index 672126a2664..9da1b21db72 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -1795,6 +1795,7 @@ Item_func_group_concat::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref) */ for (i= 0 ; i < arg_count_order ; i++) { + // order_item->item can be changed by fix_fields() call ORDER *order_item= order[i]; if ((*order_item->item)->fix_fields(thd, tables, order_item->item) || (*order_item->item)->check_cols(1)) |