Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> Tom Lane wrote:
>> Nor will that work for prepared xacts --- you don't want to wait for the
>> eventual commit, only for PREPARE TRANSACTION to exit its critical
>> section.
> PREPARE TRANSACTION wouldn't set the flag in MyProc; there's no clog
> changes to protect from at that point. It would be set in
> RecordTransactionCommitPrepared when we're really committing. Just like
> we use the CheckpointStartLock today.
Indeed --- you'd better take another look at where we use the
CheckpointStartLock today.
regards, tom lane
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