diff options
Diffstat (limited to 'sql/opt_subselect.cc')
| -rw-r--r-- | sql/opt_subselect.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/opt_subselect.cc b/sql/opt_subselect.cc index e1eb65079f2..be262c6638b 100644 --- a/sql/opt_subselect.cc +++ b/sql/opt_subselect.cc @@ -519,7 +519,7 @@ bool is_materialization_applicable(THD *thd, Item_in_subselect *in_subs, if (optimizer_flag(thd, OPTIMIZER_SWITCH_MATERIALIZATION) && // 0 !child_select->is_part_of_union() && // 1 parent_unit->first_select()->leaf_tables.elements && // 2 - child_select->outer_select()->leaf_tables.elements && // 2A + child_select->outer_select()->table_list.first && // 2A subquery_types_allow_materialization(in_subs) && (in_subs->is_top_level_item() || //3 optimizer_flag(thd, |