diff options
Diffstat (limited to 'sql/sql_union.cc')
| -rw-r--r-- | sql/sql_union.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index a05fa44cfc9..d45b867b197 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -203,6 +203,8 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, } } + item_list.empty(); + // it is not single select if (first_select->next_select()) { union_result->tmp_table_param.field_count= types.elements; @@ -222,14 +224,17 @@ int st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, result_table_list.table= table; union_result->set_table(table); - item_list.empty(); thd_arg->lex->current_select= lex_select_save; { Field **field; for (field= table->field; *field; field++) { - if (item_list.push_back(new Item_field(*field))) + Item_field *item= new Item_field(*field); + if (item_list.push_back(item)) DBUG_RETURN(-1); +#ifndef DBUG_OFF + item->double_fix= 0; +#endif } } } |