diff options
Diffstat (limited to 'mysql-test/suite/perfschema/r/dml_events_statements_history_long.result')
| -rw-r--r-- | mysql-test/suite/perfschema/r/dml_events_statements_history_long.result | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/mysql-test/suite/perfschema/r/dml_events_statements_history_long.result b/mysql-test/suite/perfschema/r/dml_events_statements_history_long.result index 88634e93bb5..ce89c5e6219 100644 --- a/mysql-test/suite/perfschema/r/dml_events_statements_history_long.result +++ b/mysql-test/suite/perfschema/r/dml_events_statements_history_long.result @@ -27,3 +27,51 @@ UNLOCK TABLES; LOCK TABLES performance_schema.events_statements_history_long WRITE; ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'events_statements_history_long' 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='events_statements_history_long'; +column_name column_comment +THREAD_ID Thread associated with the event. Together with EVENT_ID uniquely identifies the row. +EVENT_ID Thread's current event number at the start of the event. Together with THREAD_ID uniquely identifies the row. +END_EVENT_ID NULL when the event starts, set to the thread's current event number at the end of the event. +EVENT_NAME Event instrument name and a NAME from the setup_instruments table +SOURCE Name and line number of the source file containing the instrumented code that produced the event. +TIMER_START Value in picoseconds when the event timing started or NULL if timing is not collected. +TIMER_END Value in picoseconds when the event timing ended, or NULL if the event has not ended or timing is not collected. +TIMER_WAIT Value in picoseconds of the event's duration or NULL if the event has not ended or timing is not collected. +LOCK_TIME Time in picoseconds spent waiting for locks. The time is calculated in microseconds but stored in picoseconds for compatibility with other timings. +SQL_TEXT The SQL statement, or NULL if the command is not associated with an SQL statement. +DIGEST Statement digest. +DIGEST_TEXT Statement digest text. +CURRENT_SCHEMA Statement's default database for the statement, or NULL if there was none. +OBJECT_TYPE Reserved, currently NULL +OBJECT_SCHEMA Reserved, currently NULL +OBJECT_NAME Reserved, currently NULL +OBJECT_INSTANCE_BEGIN Address in memory of the statement object. +MYSQL_ERRNO Error code. See MariaDB Error Codes for a full list. +RETURNED_SQLSTATE The SQLSTATE value. +MESSAGE_TEXT Statement error message. See MariaDB Error Codes. +ERRORS 0 if SQLSTATE signifies completion (starting with 00) or warning (01), otherwise 1. +WARNINGS Number of warnings from the diagnostics area. +ROWS_AFFECTED Number of rows affected the statement affected. +ROWS_SENT Number of rows returned. +ROWS_EXAMINED Number of rows read during the statement's execution. +CREATED_TMP_DISK_TABLES Number of on-disk temp tables created by the statement. +CREATED_TMP_TABLES Number of temp tables created by the statement. +SELECT_FULL_JOIN Number of joins performed by the statement which did not use an index. +SELECT_FULL_RANGE_JOIN Number of joins performed by the statement which used a range search of the first table. +SELECT_RANGE Number of joins performed by the statement which used a range of the first table. +SELECT_RANGE_CHECK Number of joins without keys performed by the statement that check for key usage after each row. +SELECT_SCAN Number of joins performed by the statement which used a full scan of the first table. +SORT_MERGE_PASSES Number of merge passes by the sort algorithm performed by the statement. If too high, you may need to increase the sort_buffer_size. +SORT_RANGE Number of sorts performed by the statement which used a range. +SORT_ROWS Number of rows sorted by the statement. +SORT_SCAN Number of sorts performed by the statement which used a full table scan. +NO_INDEX_USED 0 if the statement performed a table scan with an index, 1 if without an index. +NO_GOOD_INDEX_USED 0 if a good index was found for the statement, 1 if no good index was found. See the Range checked for each record description in the EXPLAIN article. +NESTING_EVENT_ID Reserved, currently NULL. +NESTING_EVENT_TYPE Reserved, currently NULL. +NESTING_EVENT_LEVEL |