【MySQL】8.0で使えるperformance_schema.data_locksの中身

(`wait_started`,
 `wait_age`,
 `wait_age_secs`,
 `locked_table`,
 `locked_table_schema`,
 `locked_table_name`,
 `locked_table_partition`,
 `locked_table_subpartition`,
 `locked_index`,
 `locked_type`,
 `waiting_trx_id`,
 `waiting_trx_started`,
 `waiting_trx_age`,
 `waiting_trx_rows_locked`,
 `waiting_trx_rows_modified`,
 `waiting_pid`,
 `waiting_query`,
 `waiting_lock_id`,
 `waiting_lock_mode`,
 `blocking_trx_id`,
 `blocking_pid`,
 `blocking_query`,
 `blocking_lock_id`,
 `blocking_lock_mode`,
 `blocking_trx_started`,
 `blocking_trx_age`,
 `blocking_trx_rows_locked`,
 `blocking_trx_rows_modified`,
 `sql_kill_blocking_query`,
 `sql_kill_blocking_connection`) AS
SELECT `r`.`trx_wait_started` AS `wait_started`,
       timediff(now(),`r`.`trx_wait_started`) AS `wait_age`,
       timestampdiff(SECOND,`r`.`trx_wait_started`,now()) AS `wait_age_secs`,
       concat(`sys`.`quote_identifier`(`rl`.`OBJECT_SCHEMA`),'.',`sys`.`quote_identifier`(`rl`.`OBJECT_NAME`)) AS `locked_table`,
       `rl`.`OBJECT_SCHEMA` AS `locked_table_schema`,
       `rl`.`OBJECT_NAME` AS `locked_table_name`,
       `rl`.`PARTITION_NAME` AS `locked_table_partition`,
       `rl`.`SUBPARTITION_NAME` AS `locked_table_subpartition`,
       `rl`.`INDEX_NAME` AS `locked_index`,
       `rl`.`LOCK_TYPE` AS `locked_type`,
       `r`.`trx_id` AS `waiting_trx_id`,
       `r`.`trx_started` AS `waiting_trx_started`,
       timediff(now(),`r`.`trx_started`) AS `waiting_trx_age`,
       `r`.`trx_rows_locked` AS `waiting_trx_rows_locked`,
       `r`.`trx_rows_modified` AS `waiting_trx_rows_modified`,
       `r`.`trx_mysql_thread_id` AS `waiting_pid`,
       `sys`.`format_statement`(`r`.`trx_query`) AS `waiting_query`,
       `rl`.`ENGINE_LOCK_ID` AS `waiting_lock_id`,
       `rl`.`LOCK_MODE` AS `waiting_lock_mode`,
       `b`.`trx_id` AS `blocking_trx_id`,
       `b`.`trx_mysql_thread_id` AS `blocking_pid`,
       `sys`.`format_statement`(`b`.`trx_query`) AS `blocking_query`,
       `bl`.`ENGINE_LOCK_ID` AS `blocking_lock_id`,
       `bl`.`LOCK_MODE` AS `blocking_lock_mode`,
       `b`.`trx_started` AS `blocking_trx_started`,
       timediff(now(),`b`.`trx_started`) AS `blocking_trx_age`,
       `b`.`trx_rows_locked` AS `blocking_trx_rows_locked`,
       `b`.`trx_rows_modified` AS `blocking_trx_rows_modified`,
       concat('KILL QUERY ',`b`.`trx_mysql_thread_id`) AS `sql_kill_blocking_query`,
       concat('KILL ',`b`.`trx_mysql_thread_id`) AS `sql_kill_blocking_connection`
FROM ((((`performance_schema`.`data_lock_waits` `w`
         JOIN `information_schema`.`INNODB_TRX` `b` on((`b`.`trx_id` = cast(`w`.`BLOCKING_ENGINE_TRANSACTION_ID` AS char
                                                                            CHARSET utf8mb4))))
        JOIN `information_schema`.`INNODB_TRX` `r` on((`r`.`trx_id` = cast(`w`.`REQUESTING_ENGINE_TRANSACTION_ID` AS char
                                                                           CHARSET utf8mb4))))
       JOIN `performance_schema`.`data_locks` `bl` on((`bl`.`ENGINE_LOCK_ID` = `w`.`BLOCKING_ENGINE_LOCK_ID`)))
      JOIN `performance_schema`.`data_locks` `rl` on((`rl`.`ENGINE_LOCK_ID` = `w`.`REQUESTING_ENGINE_LOCK_ID`)))
ORDER BY `r`.`trx_wait_started`