diff options
Diffstat (limited to 'sql/sql_derived.cc')
| -rw-r--r-- | sql/sql_derived.cc | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sql/sql_derived.cc b/sql/sql_derived.cc index 89bd7958c86..ea7545fe5cb 100644 --- a/sql/sql_derived.cc +++ b/sql/sql_derived.cc @@ -236,9 +236,7 @@ bool mysql_derived_filling(THD *thd, LEX *lex, TABLE_LIST *orig_table_list) SELECT_LEX *first_select= unit->first_select(); select_union *derived_result= orig_table_list->derived_result; SELECT_LEX *save_current_select= lex->current_select; - bool is_union= first_select->next_select() && - first_select->next_select()->linkage == UNION_TYPE; - if (is_union) + if (unit->is_union()) { // execute union without clean up res= unit->exec(); |