diff options
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index a215092f30f..8e8748be87a 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -446,7 +446,8 @@ bool Item_subselect::mark_as_dependent(THD *thd, st_select_lex *select, OUTER_REF_TABLE_BIT. */ -void Item_subselect::fix_after_pullout(st_select_lex *new_parent, Item **ref) +void Item_subselect::fix_after_pullout(st_select_lex *new_parent, + Item **ref, bool merge) { recalc_used_tables(new_parent, TRUE); parent_select= new_parent; @@ -1110,7 +1111,8 @@ Item_singlerow_subselect::select_transformer(JOIN *join) /* as far as we moved content to upper level we have to fix dependences & Co */ - substitution->fix_after_pullout(select_lex->outer_select(), &substitution); + substitution->fix_after_pullout(select_lex->outer_select(), + &substitution, TRUE); } DBUG_RETURN(false); } @@ -2855,7 +2857,7 @@ bool Item_exists_subselect::exists2in_processor(uchar *opt_arg) goto out; } } - outer_exp->fix_after_pullout(unit->outer_select(), &outer_exp); + outer_exp->fix_after_pullout(unit->outer_select(), &outer_exp, FALSE); outer_exp->update_used_tables(); outer.push_back(outer_exp); } @@ -3228,10 +3230,11 @@ err: } -void Item_in_subselect::fix_after_pullout(st_select_lex *new_parent, Item **ref) +void Item_in_subselect::fix_after_pullout(st_select_lex *new_parent, + Item **ref, bool merge) { - left_expr->fix_after_pullout(new_parent, &left_expr); - Item_subselect::fix_after_pullout(new_parent, ref); + left_expr->fix_after_pullout(new_parent, &left_expr, merge); + Item_subselect::fix_after_pullout(new_parent, ref, merge); used_tables_cache |= left_expr->used_tables(); } @@ -5385,7 +5388,7 @@ int subselect_hash_sj_engine::exec() if (has_covering_null_row) { - DBUG_ASSERT(count_partial_match_columns = field_count); + DBUG_ASSERT(count_partial_match_columns == field_count); count_pm_keys= 0; } else if (has_covering_null_columns) |