On Wed, Oct 1, 2014 at 12:54 PM, Heikki Linnakangas
<hlinnakan...@vmware.com> wrote:
> XactLockTableWait() waits until the end of transaction, that's not you want
> here. If the backend that inserted the promise tuple decides to not proceed
> with the insertion, and removes the promise tuple, the backend waiting on it
> needs to be woken up more or less immediately, not when the transaction
> completes.

Simon has not been inconsistent here: he has said that deadlocks may
be possible. I happen to think that allowing them would be a major
mistake on our part, but that's another story.

Peter Geoghegan

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