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我觉得我已经说的很清楚了,不好好看原文的、语文是计算机老师教的那些回复者,我也真的没法逐个回复了。 我当然知道 myisam 类型表不支持事务,我就是要用这一点实现事务中的表日志!请再仔细看题!!!
回复内容:
Home Backend Development PHP Tutorial mysql5.6+ myisam 表无法在事务中处理,会报错。如何解决

mysql5.6+ myisam 表无法在事务中处理,会报错。如何解决

Jun 06, 2016 pm 08:41 PM
myisam mysql php

我觉得我已经说的很清楚了,不好好看原文的、语文是计算机老师教的那些回复者,我也真的没法逐个回复了。 我当然知道 myisam 类型表不支持事务,我就是要用这一点实现事务中的表日志!请再仔细看题!!!

mysql 5.6 以后,在事务过程中,无法再操作 myisam 类型的表。
如果操作会报以下错误:

<code>General error: 1785 When @@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1, updates to non-transactional tables can only be done in either autocommitted statements or single-statement transactions, and never in the same statement as updates to transactional tables.
</code>
Copy after login
Copy after login

因为业务逻辑需要,现在必须在一个大事务中,保存一些原始数据。并且如果事务rollback,这些数据仍需保存下来。所以之前用 myisam 类型表都是可以实现的,现在果断的报错了。

存缓存最后commit后保存的方案我已经考虑过了... 要涉及的改动太多
只是想问问大家有没有什么更好的方案...

重新说明一下:我的意思就是之前借助于myisam不支持事务的特性,可以保存事务中的数据,且不用担心事务rollback后这部分数据也无法保存下来的问题,而新版本的mysql已经无法这样操作,会异常

回复内容:

我觉得我已经说的很清楚了,不好好看原文的、语文是计算机老师教的那些回复者,我也真的没法逐个回复了。 我当然知道 myisam 类型表不支持事务,我就是要用这一点实现事务中的表日志!请再仔细看题!!!

mysql 5.6 以后,在事务过程中,无法再操作 myisam 类型的表。
如果操作会报以下错误:

<code>General error: 1785 When @@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1, updates to non-transactional tables can only be done in either autocommitted statements or single-statement transactions, and never in the same statement as updates to transactional tables.
</code>
Copy after login
Copy after login

因为业务逻辑需要,现在必须在一个大事务中,保存一些原始数据。并且如果事务rollback,这些数据仍需保存下来。所以之前用 myisam 类型表都是可以实现的,现在果断的报错了。

存缓存最后commit后保存的方案我已经考虑过了... 要涉及的改动太多
只是想问问大家有没有什么更好的方案...

重新说明一下:我的意思就是之前借助于myisam不支持事务的特性,可以保存事务中的数据,且不用担心事务rollback后这部分数据也无法保存下来的问题,而新版本的mysql已经无法这样操作,会异常

从报错信息看,mysql中的参数@@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1 所以无法在事务中使用myisam,事务是mysql的事,跟php没有关系啊!

不知道是不是我才疏学浅 - -#
两位回答的咋都在讨论执行参数的事,可是myisam根本就不支持事物啊。

mysql只有innodb表才支持事务吧。

innodb才能支持事物操作,楼主的数据库比我还菜!!!

我之前升级mysql数据库从5.5升级到5.6的时候碰到过这样的报错 是因为关联数据库表使用了事务 但是有极个别关联表用的是myisam 把myiasm改成innnodb引擎就可以了

写事务功能起码要先了解下事务吧,innodb支持,myisam不支持。

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