Heikki Linnakangas wrote:
Joachim Wieland wrote:On Thu, Nov 19, 2009 at 4:12 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: Yes, I have been thinking about that also. So what should happen when you prepare a transaction that has sent a NOTIFY before?From the user's point of view, nothing should happen at prepare. At a quick glance, it doesn't seem hard to support 2PC. Messages should be put to the queue at prepare, as just before normal commit, but the backends won't see them until they see that the XID has committed.
Yeah, but if the server is restarted after the PREPARE but before the COMMIT, the notification will be lost, since all notification queue entries are lost upon restart with the slru design, no?
best regards, Florian Pflug
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