diff options
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index bece1f9bee2..8912ec79011 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -11601,6 +11601,13 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond) if (i != join->const_tables && tab->use_quick != 2 && !tab->first_inner) { /* Read with cache */ + /* + TODO: the execution also gets here when we will not be using + join buffer. Review these cases and perhaps, remove this call. + (The final decision whether to use join buffer is made in + check_join_cache_usage, so we should only call make_scan_filter() + there, too). + */ if (tab->make_scan_filter()) DBUG_RETURN(1); } @@ -12577,6 +12584,9 @@ uint check_join_cache_usage(JOIN_TAB *tab, if ((tab->cache= new (root) JOIN_CACHE_BNL(join, tab, prev_cache))) { tab->icp_other_tables_ok= FALSE; + /* If make_join_select() hasn't called make_scan_filter(), do it now */ + if (!tab->cache_select && tab->make_scan_filter()) + goto no_join_cache; return (2 - MY_TEST(!prev_cache)); } goto no_join_cache; @@ -15250,12 +15260,15 @@ static int compare_fields_by_table_order(Item *field1, { int cmp= 0; bool outer_ref= 0; - Item_field *f1= (Item_field *) (field1->real_item()); - Item_field *f2= (Item_field *) (field2->real_item()); - if (field1->const_item() || f1->const_item()) + Item *field1_real= field1->real_item(); + Item *field2_real= field2->real_item(); + + if (field1->const_item() || field1_real->const_item()) return -1; - if (field2->const_item() || f2->const_item()) + if (field2->const_item() || field2_real->const_item()) return 1; + Item_field *f1= (Item_field *) field1_real; + Item_field *f2= (Item_field *) field2_real; if (f1->used_tables() & OUTER_REF_TABLE_BIT) { outer_ref= 1; @@ -23354,6 +23367,19 @@ check_reverse_order: join_read_first:join_read_last; tab->type=JT_NEXT; // Read with index_first(), index_next() + /* + Currently usage of rowid filters is not supported in InnoDB + if the table is accessed by the primary key + */ + if (tab->rowid_filter && + tab->index == table->s->primary_key && + table->file->primary_key_is_clustered()) + { + tab->range_rowid_filter_info= 0; + delete tab->rowid_filter; + tab->rowid_filter= 0; + } + if (tab->pre_idx_push_select_cond) { tab->set_cond(tab->pre_idx_push_select_cond); |