diff options
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index daf35ae63e0..abb9a98030e 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -369,6 +369,8 @@ typedef struct st_join_table { uint n_sj_tables; + bool preread_init_done; + void cleanup(); inline bool is_using_loose_index_scan() { @@ -474,6 +476,8 @@ typedef struct st_join_table { { return (is_hash_join_key_no(key) ? hj_key : table->key_info+key); } + double scan_time(); + bool preread_init(); } JOIN_TAB; @@ -1121,6 +1125,7 @@ public: { return (table_map(1) << table_count) - 1; } + void drop_unused_derived_keys(); /* Return the table for which an index scan can be used to satisfy the sort order needed by the ORDER BY/(implicit) GROUP BY clause @@ -1203,7 +1208,7 @@ Field* create_tmp_field_from_field(THD *thd, Field* org_field, /* functions from opt_sum.cc */ bool simple_pred(Item_func *func_item, Item **args, bool *inv_order); int opt_sum_query(THD* thd, - TABLE_LIST *tables, List<Item> &all_fields, COND *conds); + List<TABLE_LIST> &tables, List<Item> &all_fields, COND *conds); /* from sql_delete.cc, used by opt_range.cc */ extern "C" int refpos_order_cmp(void* arg, const void *a,const void *b); @@ -1466,7 +1471,7 @@ 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, - char* alias); + char* alias, bool do_not_open=FALSE); void free_tmp_table(THD *thd, TABLE *entry); bool create_internal_tmp_table_from_heap(THD *thd, TABLE *table, ENGINE_COLUMNDEF *start_recinfo, @@ -1479,5 +1484,6 @@ bool create_internal_tmp_table(TABLE *table, KEY *keyinfo, bool open_tmp_table(TABLE *table); void setup_tmp_table_column_bitmaps(TABLE *table, uchar *bitmaps); double prev_record_reads(POSITION *positions, uint idx, table_map found_ref); +void fix_list_after_tbl_changes(SELECT_LEX *new_parent, List<TABLE_LIST> *tlist); #endif /* SQL_SELECT_INCLUDED */ |