diff options
Diffstat (limited to 'sql/table.h')
| -rw-r--r-- | sql/table.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/sql/table.h b/sql/table.h index 58b78af6836..ec50a433498 100644 --- a/sql/table.h +++ b/sql/table.h @@ -1113,6 +1113,7 @@ public: and max #key parts that range access would use. */ ha_rows quick_rows[MAX_KEY]; + double quick_costs[MAX_KEY]; /* Bitmaps of key parts that =const for the duration of join execution. If @@ -1489,8 +1490,8 @@ typedef struct st_schema_table { const char* table_name; ST_FIELD_INFO *fields_info; - /* Create information_schema table */ - TABLE *(*create_table) (THD *thd, TABLE_LIST *table_list); + /* for FLUSH table_name */ + int (*reset_table) (); /* Fill table with data */ int (*fill_table) (THD *thd, TABLE_LIST *tables, COND *cond); /* Handle fileds for old SHOW */ @@ -1502,6 +1503,7 @@ typedef struct st_schema_table uint i_s_requested_object; /* the object we need to open(TABLE | VIEW) */ } ST_SCHEMA_TABLE; +class IS_table_read_plan; /* Types of derived tables. The ending part is a bitmap of phases that are @@ -2047,12 +2049,23 @@ struct TABLE_LIST /* TRUE <=> this table is a const one and was optimized away. */ bool optimized_away; + /* I_S: Flags to open_table (e.g. OPEN_TABLE_ONLY or OPEN_VIEW_ONLY) */ uint i_s_requested_object; - bool has_db_lookup_value; - bool has_table_lookup_value; + + /* + I_S: how to read the tables (SKIP_OPEN_TABLE/OPEN_FRM_ONLY/OPEN_FULL_TABLE) + */ uint table_open_method; + /* + I_S: where the schema table was filled + (this is a hack. The code should be able to figure out whether reading + from I_S should be done by create_sort_index() or by JOIN::exec.) + */ enum enum_schema_table_state schema_table_state; + /* Something like a "query plan" for reading INFORMATION_SCHEMA table */ + IS_table_read_plan *is_table_read_plan; + MDL_request mdl_request; #ifdef WITH_PARTITION_STORAGE_ENGINE |