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由 Tom Lane 提交于
This kluge was inserted in a spot apparently chosen at random: the lock manager's state is not yet fully set up for the wait, and in particular LockWaitCancel hasn't been armed by setting lockAwaited, so the ProcLock will not get cleaned up if the ereport is thrown. This seems to not cause any observable problem in trivial test cases, because LockReleaseAll will silently clean up the debris; but I was able to cause failures with tests involving subtransactions. Fixes breakage induced by commit c85c9414. Back-patch to all affected branches.
ac36e6f7