diff options
Diffstat (limited to 'storage/innobase/include/dict0dict.h')
| -rw-r--r-- | storage/innobase/include/dict0dict.h | 68 |
1 files changed, 46 insertions, 22 deletions
diff --git a/storage/innobase/include/dict0dict.h b/storage/innobase/include/dict0dict.h index 029cf408141..f979d0fcc96 100644 --- a/storage/innobase/include/dict0dict.h +++ b/storage/innobase/include/dict0dict.h @@ -136,6 +136,19 @@ dict_col_copy_type( /*===============*/ const dict_col_t* col, /*!< in: column */ dtype_t* type); /*!< out: data type */ +/**********************************************************************//** +Determine bytes of column prefix to be stored in the undo log. Please +note if the table format is UNIV_FORMAT_A (< DICT_TF_FORMAT_ZIP), no prefix +needs to be stored in the undo log. +@return bytes of column prefix to be stored in the undo log */ +UNIV_INLINE +ulint +dict_max_field_len_store_undo( +/*==========================*/ + dict_table_t* table, /*!< in: table */ + const dict_col_t* col); /*!< in: column which index prefix + is based on */ + #endif /* !UNIV_HOTBACKUP */ #ifdef UNIV_DEBUG /*********************************************************************//** @@ -345,7 +358,8 @@ void dict_table_replace_index_in_foreign_list( /*=====================================*/ dict_table_t* table, /*!< in/out: table */ - dict_index_t* index); /*!< in: index to be replaced */ + dict_index_t* index, /*!< in: index to be replaced */ + const trx_t* trx); /*!< in: transaction handle */ /*********************************************************************//** Checks if a index is defined for a foreign key constraint. Index is a part of a foreign key constraint if the index is referenced by foreign key @@ -440,6 +454,18 @@ function. @return table, NULL if not found */ UNIV_INLINE dict_table_t* +dict_table_get_low_ignore_err( +/*===========================*/ + const char* table_name, /*!< in: table name */ + dict_err_ignore_t + ignore_err); /*!< in: error to be ignored when + loading a table definition */ +/**********************************************************************//** +Gets a table; loads it to the dictionary cache if necessary. A low-level +function. +@return table, NULL if not found */ +UNIV_INLINE +dict_table_t* dict_table_get_low( /*===============*/ const char* table_name); /*!< in: table name */ @@ -1080,19 +1106,13 @@ Calculates new estimates for table and index statistics. The statistics are used in query optimization. */ UNIV_INTERN void -dict_update_statistics_low( -/*=======================*/ - dict_table_t* table, /*!< in/out: table */ - ibool has_dict_mutex);/*!< in: TRUE if the caller has the - dictionary mutex */ -/*********************************************************************//** -Calculates new estimates for table and index statistics. The statistics -are used in query optimization. */ -UNIV_INTERN -void dict_update_statistics( /*===================*/ - dict_table_t* table); /*!< in/out: table */ + dict_table_t* table, /*!< in/out: table */ + ibool only_calc_if_missing_stats);/*!< in: only + update/recalc the stats if they have + not been initialized yet, otherwise + do nothing */ /********************************************************************//** Reserves the dictionary system mutex for MySQL. */ UNIV_INTERN @@ -1106,21 +1126,25 @@ void dict_mutex_exit_for_mysql(void); /*===========================*/ /**********************************************************************//** -Lock the appropriate mutex to protect index->stat_n_diff_key_vals[]. -index->id is used to pick the right mutex and it should not change -before dict_index_stat_mutex_exit() is called on this index. */ +Lock the appropriate latch to protect a given table's statistics. +table->id is used to pick the corresponding latch from a global array of +latches. */ UNIV_INTERN void -dict_index_stat_mutex_enter( -/*========================*/ - const dict_index_t* index); /*!< in: index */ +dict_table_stats_lock( +/*==================*/ + const dict_table_t* table, /*!< in: table */ + ulint latch_mode); /*!< in: RW_S_LATCH or + RW_X_LATCH */ /**********************************************************************//** -Unlock the appropriate mutex that protects index->stat_n_diff_key_vals[]. */ +Unlock the latch that has been locked by dict_table_stats_lock() */ UNIV_INTERN void -dict_index_stat_mutex_exit( -/*=======================*/ - const dict_index_t* index); /*!< in: index */ +dict_table_stats_unlock( +/*====================*/ + const dict_table_t* table, /*!< in: table */ + ulint latch_mode); /*!< in: RW_S_LATCH or + RW_X_LATCH */ /********************************************************************//** Checks if the database name in two table names is the same. @return TRUE if same db name */ |