diff options
Diffstat (limited to 'sql/sql_derived.cc')
| -rw-r--r-- | sql/sql_derived.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/sql_derived.cc b/sql/sql_derived.cc index 4e42bcd3..afcbb7f8 100644 --- a/sql/sql_derived.cc +++ b/sql/sql_derived.cc @@ -1243,6 +1243,9 @@ bool mysql_derived_fill(THD *thd, LEX *lex, TABLE_LIST *derived) goto err; JOIN *join= unit->first_select()->join; join->first_record= false; + if (join->zero_result_cause) + goto err; + for (uint i= join->top_join_tab_count; i < join->top_join_tab_count + join->aggr_tables; i++) @@ -1351,6 +1354,10 @@ bool mysql_derived_reinit(THD *thd, LEX *lex, TABLE_LIST *derived) derived->get_unit())); st_select_lex_unit *unit= derived->get_unit(); + // reset item names to that saved after wildcard expansion in JOIN::prepare + for(st_select_lex *sl= unit->first_select(); sl; sl= sl->next_select()) + sl->restore_item_list_names(); + derived->merged_for_insert= FALSE; unit->unclean(); unit->types.empty(); |