Heikki Linnakangas <[EMAIL PROTECTED]> 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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