月度归档:2018年11月

sql mark

1.查看抢占锁的语句

SELECT * FROM information_schema.innodb_trx where trx_id in (SELECT lock_trx_id FROM information_schema.INNODB_LOCKS WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM information_schema.INNODB_LOCK_WAITS) );