diff options
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 3f88a6adf80..c93496a1b38 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -2688,6 +2688,7 @@ make_join_statistics(JOIN *join, TABLE_LIST *tables_arg, COND *conds, goto error; } table->quick_keys.clear_all(); + table->intersect_keys.clear_all(); table->reginfo.join_tab=s; table->reginfo.not_exists_optimize=0; bzero((char*) table->const_key_parts, sizeof(key_part_map)*table->s->keys); @@ -6371,8 +6372,9 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond) used_tables|=current_map; if (tab->type == JT_REF && tab->quick && - (uint) tab->ref.key == tab->quick->index && - tab->ref.key_length < tab->quick->max_used_key_length) + (((uint) tab->ref.key == tab->quick->index && + tab->ref.key_length < tab->quick->max_used_key_length) || + tab->table->intersect_keys.is_set(tab->ref.key))) { /* Range uses longer key; Use this instead of ref on key */ tab->type=JT_ALL; @@ -10188,6 +10190,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields, table->quick_keys.init(); table->covering_keys.init(); table->merge_keys.init(); + table->intersect_keys.init(); table->keys_in_use_for_query.init(); table->s= share; @@ -13692,7 +13695,8 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit, by clustered PK values. */ - if (quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_MERGE || + if (quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_MERGE || + quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_INTERSECT || quick_type == QUICK_SELECT_I::QS_TYPE_ROR_UNION || quick_type == QUICK_SELECT_I::QS_TYPE_ROR_INTERSECT) DBUG_RETURN(0); @@ -14098,6 +14102,7 @@ check_reverse_order: QUICK_SELECT_DESC *tmp; int quick_type= select->quick->get_type(); if (quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_MERGE || + quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_INTERSECT || quick_type == QUICK_SELECT_I::QS_TYPE_ROR_INTERSECT || quick_type == QUICK_SELECT_I::QS_TYPE_ROR_UNION || quick_type == QUICK_SELECT_I::QS_TYPE_GROUP_MIN_MAX) @@ -14270,6 +14275,7 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order, select->cleanup(); // filesort did select tab->select= 0; table->quick_keys.clear_all(); // as far as we cleanup select->quick + table->intersect_keys.clear_all(); table->sort.io_cache= tablesort_result_cache; } tab->select_cond=0; @@ -16898,6 +16904,7 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order, quick_type= tab->select->quick->get_type(); if ((quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_MERGE) || (quick_type == QUICK_SELECT_I::QS_TYPE_ROR_INTERSECT) || + (quick_type == QUICK_SELECT_I::QS_TYPE_ROR_INTERSECT) || (quick_type == QUICK_SELECT_I::QS_TYPE_ROR_UNION)) tab->type = JT_INDEX_MERGE; else @@ -17110,6 +17117,7 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order, { if (quick_type == QUICK_SELECT_I::QS_TYPE_ROR_UNION || quick_type == QUICK_SELECT_I::QS_TYPE_ROR_INTERSECT || + quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_INTERSECT || quick_type == QUICK_SELECT_I::QS_TYPE_INDEX_MERGE) { extra.append(STRING_WITH_LEN("; Using ")); |