多条insert on duplicate key update 死锁的原因 https://mp.weixin.qq.com/s?__biz=MjM5NzAzMTY4NQ==&mid=2653930798&idx=1&sn=cf673893e62ac160d327c8a682857024&chksm=bd3b5f448a4cd65242a677a54125561f2835202d46ed5a2c689f04e05e330cf97979f68503e6&mpshare=1&scene=23&srcid=0906q6wnXB3Vs0NOoV9OCOAu#rd 多条Insert ignore发生死锁 参考:http://thushw.blogspot.com/2010/11/mysql-deadlocks-with-concurrent-inserts.html