diff options
Diffstat (limited to 'sql/item_cmpfunc.cc')
| -rw-r--r-- | sql/item_cmpfunc.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index 94423642fa5..f37509f89b5 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -290,6 +290,14 @@ bool Item_in_optimizer::fix_fields(THD *thd, struct st_table_list *tables, if (!cache && !(cache= Item_cache::get_cache(args[0]->result_type()))) return 1; cache->setup(args[0]); + if (cache->cols() == 1) + cache->set_used_tables(RAND_TABLE_BIT); + else + { + uint n= cache->cols(); + for (uint i= 0; i < n; i++) + ((Item_cache *)cache->el(i))->set_used_tables(RAND_TABLE_BIT); + } if (args[1]->fix_fields(thd, tables, args)) return 1; Item_in_subselect * sub= (Item_in_subselect *)args[1]; |