diff options
Diffstat (limited to 'storage/innobase/include/dict0mem.h')
| -rw-r--r-- | storage/innobase/include/dict0mem.h | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/storage/innobase/include/dict0mem.h b/storage/innobase/include/dict0mem.h index 1c4292a2d38..05db1a844e4 100644 --- a/storage/innobase/include/dict0mem.h +++ b/storage/innobase/include/dict0mem.h @@ -302,7 +302,6 @@ before proceeds. */ @param n_v_cols number of virtual columns @param flags table flags @param flags2 table flags2 -@param init_stats_latch whether to init the stats latch @return own: table object */ dict_table_t* dict_mem_table_create( @@ -311,8 +310,7 @@ dict_mem_table_create( ulint n_cols, ulint n_v_cols, ulint flags, - ulint flags2, - bool init_stats_latch=true); + ulint flags2); /****************************************************************//** Free a table memory object. */ @@ -997,7 +995,7 @@ struct dict_index_t{ when InnoDB was started up */ zip_pad_info_t zip_pad;/*!< Information about state of compression failures and successes */ - rw_lock_t lock; /*!< read-write lock protecting the + mutable rw_lock_t lock; /*!< read-write lock protecting the upper levels of the index tree */ /** Determine if the index has been committed to the @@ -1862,23 +1860,8 @@ struct dict_table_t { /*!< set of foreign key constraints which refer to this table */ dict_foreign_set referenced_set; - /** Statistics for query optimization. @{ */ - - /** Creation state of 'stats_latch'. */ - bool stats_latch_inited; - - /** This latch protects: - dict_table_t::stat_initialized, - dict_table_t::stat_n_rows (*), - dict_table_t::stat_clustered_index_size, - dict_table_t::stat_sum_of_other_index_sizes, - dict_table_t::stat_modified_counter (*), - dict_table_t::indexes*::stat_n_diff_key_vals[], - dict_table_t::indexes*::stat_index_size, - dict_table_t::indexes*::stat_n_leaf_pages. - (*) Those are not always protected for - performance reasons. */ - rw_lock_t stats_latch; + /** Statistics for query optimization. Mostly protected by + dict_sys->mutex. @{ */ /** TRUE if statistics have been calculated the first time after database startup or table creation. */ |