diff options
Diffstat (limited to 'mysql-test/suite/perfschema/r/dml_tlws_by_table.result')
| -rw-r--r-- | mysql-test/suite/perfschema/r/dml_tlws_by_table.result | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/mysql-test/suite/perfschema/r/dml_tlws_by_table.result b/mysql-test/suite/perfschema/r/dml_tlws_by_table.result index 1d39794d6c8..24f6c79ac61 100644 --- a/mysql-test/suite/perfschema/r/dml_tlws_by_table.result +++ b/mysql-test/suite/perfschema/r/dml_tlws_by_table.result @@ -24,3 +24,83 @@ UNLOCK TABLES; LOCK TABLES performance_schema.table_lock_waits_summary_by_table WRITE; ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'table_lock_waits_summary_by_table' UNLOCK TABLES; +# +# MDEV-25325 column_comment for performance_schema tables +# +select column_name, column_comment +from information_schema.columns +where table_schema='performance_schema' and table_name='table_lock_waits_summary_by_table'; +column_name column_comment +OBJECT_TYPE Since this table records waits by table, always set to TABLE. +OBJECT_SCHEMA Schema name. +OBJECT_NAME Table name. +COUNT_STAR Number of summarized events and the sum of the x_READ and x_WRITE columns. +SUM_TIMER_WAIT Total wait time of the summarized events that are timed. +MIN_TIMER_WAIT Minimum wait time of the summarized events that are timed. +AVG_TIMER_WAIT Average wait time of the summarized events that are timed. +MAX_TIMER_WAIT Maximum wait time of the summarized events that are timed. +COUNT_READ Number of all read operations, and the sum of the equivalent x_READ_NORMAL, x_READ_WITH_SHARED_LOCKS, x_READ_HIGH_PRIORITY and x_READ_NO_INSERT columns. +SUM_TIMER_READ Total wait time of all read operations that are timed. +MIN_TIMER_READ Minimum wait time of all read operations that are timed. +AVG_TIMER_READ Average wait time of all read operations that are timed. +MAX_TIMER_READ Maximum wait time of all read operations that are timed. +COUNT_WRITE Number of all write operations, and the sum of the equivalent x_WRITE_ALLOW_WRITE, x_WRITE_CONCURRENT_INSERT, x_WRITE_DELAYED, x_WRITE_LOW_PRIORITY and x_WRITE_NORMAL columns. +SUM_TIMER_WRITE Total wait time of all write operations that are timed. +MIN_TIMER_WRITE Minimum wait time of all write operations that are timed. +AVG_TIMER_WRITE Average wait time of all write operations that are timed. +MAX_TIMER_WRITE Maximum wait time of all write operations that are timed. +COUNT_READ_NORMAL Number of all internal read normal locks. +SUM_TIMER_READ_NORMAL Total wait time of all internal read normal locks that are timed. +MIN_TIMER_READ_NORMAL Minimum wait time of all internal read normal locks that are timed. +AVG_TIMER_READ_NORMAL Average wait time of all internal read normal locks that are timed. +MAX_TIMER_READ_NORMAL Maximum wait time of all internal read normal locks that are timed. +COUNT_READ_WITH_SHARED_LOCKS Number of all internal read with shared locks. +SUM_TIMER_READ_WITH_SHARED_LOCKS Total wait time of all internal read with shared locks that are timed. +MIN_TIMER_READ_WITH_SHARED_LOCKS Minimum wait time of all internal read with shared locks that are timed. +AVG_TIMER_READ_WITH_SHARED_LOCKS Average wait time of all internal read with shared locks that are timed. +MAX_TIMER_READ_WITH_SHARED_LOCKS Maximum wait time of all internal read with shared locks that are timed. +COUNT_READ_HIGH_PRIORITY Number of all internal read high priority locks. +SUM_TIMER_READ_HIGH_PRIORITY Total wait time of all internal read high priority locks that are timed. +MIN_TIMER_READ_HIGH_PRIORITY Minimum wait time of all internal read high priority locks that are timed. +AVG_TIMER_READ_HIGH_PRIORITY Average wait time of all internal read high priority locks that are timed. +MAX_TIMER_READ_HIGH_PRIORITY Maximum wait time of all internal read high priority locks that are timed. +COUNT_READ_NO_INSERT Number of all internal read no insert locks. +SUM_TIMER_READ_NO_INSERT Total wait time of all internal read no insert locks that are timed. +MIN_TIMER_READ_NO_INSERT Minimum wait time of all internal read no insert locks that are timed. +AVG_TIMER_READ_NO_INSERT Average wait time of all internal read no insert locks that are timed. +MAX_TIMER_READ_NO_INSERT Maximum wait time of all internal read no insert locks that are timed. +COUNT_READ_EXTERNAL Number of all external read locks. +SUM_TIMER_READ_EXTERNAL Total wait time of all external read locks that are timed. +MIN_TIMER_READ_EXTERNAL Minimum wait time of all external read locks that are timed. +AVG_TIMER_READ_EXTERNAL Average wait time of all external read locks that are timed. +MAX_TIMER_READ_EXTERNAL Maximum wait time of all external read locks that are timed. +COUNT_WRITE_ALLOW_WRITE Number of all internal read normal locks. +SUM_TIMER_WRITE_ALLOW_WRITE Total wait time of all internal write allow write locks that are timed. +MIN_TIMER_WRITE_ALLOW_WRITE Minimum wait time of all internal write allow write locks that are timed. +AVG_TIMER_WRITE_ALLOW_WRITE Average wait time of all internal write allow write locks that are timed. +MAX_TIMER_WRITE_ALLOW_WRITE Maximum wait time of all internal write allow write locks that are timed. +COUNT_WRITE_CONCURRENT_INSERT Number of all internal concurrent insert write locks. +SUM_TIMER_WRITE_CONCURRENT_INSERT Total wait time of all internal concurrent insert write locks that are timed. +MIN_TIMER_WRITE_CONCURRENT_INSERT Minimum wait time of all internal concurrent insert write locks that are timed. +AVG_TIMER_WRITE_CONCURRENT_INSERT Average wait time of all internal concurrent insert write locks that are timed. +MAX_TIMER_WRITE_CONCURRENT_INSERT Maximum wait time of all internal concurrent insert write locks that are timed. +COUNT_WRITE_DELAYED Number of all internal write delayed locks. +SUM_TIMER_WRITE_DELAYED Total wait time of all internal write delayed locks that are timed. +MIN_TIMER_WRITE_DELAYED Minimum wait time of all internal write delayed locks that are timed. +AVG_TIMER_WRITE_DELAYED Average wait time of all internal write delayed locks that are timed. +MAX_TIMER_WRITE_DELAYED Maximum wait time of all internal write delayed locks that are timed. +COUNT_WRITE_LOW_PRIORITY Number of all internal write low priority locks. +SUM_TIMER_WRITE_LOW_PRIORITY Total wait time of all internal write low priority locks that are timed. +MIN_TIMER_WRITE_LOW_PRIORITY Minimum wait time of all internal write low priority locks that are timed. +AVG_TIMER_WRITE_LOW_PRIORITY Average wait time of all internal write low priority locks that are timed. +MAX_TIMER_WRITE_LOW_PRIORITY Maximum wait time of all internal write low priority locks that are timed. +COUNT_WRITE_NORMAL Number of all internal write normal locks. +SUM_TIMER_WRITE_NORMAL Total wait time of all internal write normal locks that are timed. +MIN_TIMER_WRITE_NORMAL Minimum wait time of all internal write normal locks that are timed. +AVG_TIMER_WRITE_NORMAL Average wait time of all internal write normal locks that are timed. +MAX_TIMER_WRITE_NORMAL Maximum wait time of all internal write normal locks that are timed. +COUNT_WRITE_EXTERNAL Number of all external write locks. +SUM_TIMER_WRITE_EXTERNAL Total wait time of all external write locks that are timed. +MIN_TIMER_WRITE_EXTERNAL Minimum wait time of all external write locks that are timed. +AVG_TIMER_WRITE_EXTERNAL Average wait time of all external write locks that are timed. +MAX_TIMER_WRITE_EXTERNAL Maximum wait time of all external write locks that are timed. |