Re: Suggestions for Remote Procedure Calls from PG, please?

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Tom Lane wrote:
>
>
> You've almost figured out the big problem with anything like this;
> the trouble spot is the other way around.  What if you launch some
> remote operation, and it succeeds, and then later your own transaction
> rolls back for some unrelated reason?  Action FOO did happen in the
> external world, but there is no change in the state of the database
> --- which at the minimum probably means you'll try to do FOO again
> later.  Lather, rinse, repeat.
> .

Thanks for the reply, Tom.  I was thinking I could have my remote
process send a message back to PG via XMLBlaster, too.  XMLBlaster is
a MOM-like message-queuing app that guarantees delivery to
subscribers. (www.xmlblaster.org).  The problem, as you stated,
though, is transactional integrity :-(.  Hmmm, I'll see about the
to-do queue idea.

Thanks again for your time!

Bret



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