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2fd25d77f0
Two transactions could binlog their completions in opposite to how it is done in Engine. That is is rare situations ROLLBACK in Engine of the dependency parent transaction could be scheduled by the transaction before its binlogging. That give a follower dependency child one get binlogged ahead of the parent. For fixing this bug its necessary to ensure the binlogging phase is always first one in the internal one-phase rollback protocol. The commit makes sure the binlog handlerton always rollbacks as first handlerton in no-2pc cases. An added test demonstrates how the child could otherwise reach binlog before its parent. |
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