diff options
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index 0f622b0c84e..686f159fabf 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -1173,6 +1173,11 @@ public: bool cleaned; DYNAMIC_ARRAY keyuse; Item::cond_result cond_value, having_value; + /** + Impossible where after reading const tables + (set in make_join_statistics()) + */ + bool impossible_where; List<Item> all_fields; ///< to store all fields that used in query ///Above list changed to use temporary table List<Item> tmp_all_fields1, tmp_all_fields2, tmp_all_fields3; @@ -1825,6 +1830,8 @@ ORDER *simple_remove_const(ORDER *order, COND *where); bool const_expression_in_where(COND *cond, Item *comp_item, Field *comp_field= NULL, Item **const_item= NULL); +bool cond_is_datetime_is_null(Item *cond); +bool cond_has_datetime_is_null(Item *cond); /* Table elimination entry point function */ void eliminate_tables(JOIN *join); @@ -1846,7 +1853,8 @@ void push_index_cond(JOIN_TAB *tab, uint keyno); TABLE *create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields, ORDER *group, bool distinct, bool save_sum_fields, ulonglong select_options, ha_rows rows_limit, - const char* alias, bool do_not_open=FALSE); + const char* alias, bool do_not_open=FALSE, + bool keep_row_order= FALSE); void free_tmp_table(THD *thd, TABLE *entry); bool create_internal_tmp_table_from_heap(THD *thd, TABLE *table, ENGINE_COLUMNDEF *start_recinfo, |