On Fri, Jun 05, 2009 at 07:13:43PM -0400, Tom Lane wrote:
> Merlin Moncure <mmonc...@gmail.com> writes:
> > On Fri, Jun 5, 2009 at 6:51 PM, Tom Lane<t...@sss.pgh.pa.us> wrote:
> >> I think you can loop over the results in plpgsql, for instance
>
> > also sql functions can direct 'returning' results directly to the
> > return of the function (at least in 8.4).
>
> That bit is new in 8.4, which is why I didn't mention it. But I
> think the plpgsql loop way works further back.
Would it be super-complicated to do this with CTEs for 8.5? They seem to
have sane properties like getting executed exactly once.
This could look like:
WITH t AS (
DELETE FROM foo RETURNING * FROM a
)
INSERT INTO foo_audit ...
Cheers,
David (Yes, I know the spec doesn't have row-changing operations in
either part of the above. Yet ;)
--
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