Afficher les locks
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS
WHERE LOCK_TRX_ID IN
(SELECT BLOCKING_TRX_ID FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS);
SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS
WHERE LOCK_TRX_ID IN
(SELECT BLOCKING_TRX_ID FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS);