【Mysql】mysql锁等待Lock wait timeout exceeded; try restarting transaction

# 查询全局等待事务锁超时时间 SHOW GLOBAL VARIABLES LIKE 'innodb_lock_wait_timeout';   # 设置全局等待事务锁超时时间 SET  GLOBAL innodb_lock_wait_timeout=100;   # 查询当前会话等待事务锁超时时间 SHOW VARIABLES LIKE 'innodb_lock_wait_timeout';  

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