Re: Two weeks to feature freeze

Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > I sure want two-phase commit. I don't remember it as being rejected,
> > and we certainly need it, independent of replication.
>
> Is 2PC a real-world solution to any real-world problem? I have never
> seen a satisfactory explanation of what you do when you've reported that
> you're ready to commit and no confirmation ever comes back. Sooner or
> later you must violate the protocol in one direction or the other (ie,
> commit without confirmation or roll back in violation of your promise
> of being able to commit).
>
> I think it's a cool-sounding phrase that does not actually work in
> practice.

I think 2PC can be used to build more complex features, like using dblink
for cross-db modification queries.

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