diff options
Diffstat (limited to 'sql/table.h')
| -rw-r--r-- | sql/table.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/sql/table.h b/sql/table.h index 6430530caeb..ecad83cff22 100644 --- a/sql/table.h +++ b/sql/table.h @@ -563,6 +563,21 @@ typedef I_P_List <Wait_for_flush, /** + Control block to access table statistics loaded + from persistent statistical tables +*/ + +struct TABLE_STATISTICS_CB +{ + MEM_ROOT mem_root; /* MEM_ROOT to allocate statistical data for the table */ + Table_statistics *table_stats; /* Structure to access the statistical data */ + bool stats_can_be_read; /* Memory for statistical data is allocated */ + bool stats_is_read; /* Statistical data for table has been read + from statistical tables */ +}; + + +/** This structure is shared between different table objects. There is one instance of table share per one table in the database. */ @@ -599,14 +614,7 @@ struct TABLE_SHARE KEY *key_info; /* data of keys in database */ uint *blob_field; /* Index to blobs in Field arrray*/ - bool stats_can_be_read; /* Memory for statistical data is allocated */ - bool stats_is_read; /* Statistical data for table has been read - from statistical tables */ - /* - This structure is used for statistical data on the table - that has been read from the statistical table table_stat - */ - Table_statistics *read_stats; + TABLE_STATISTICS_CB stats_cb; uchar *default_values; /* row with default values */ LEX_STRING comment; /* Comment about table */ |