From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: problem with FOUND and EXECUTE in pl/pgsql |
Date: | 2009-06-03 22:14:21 |
Message-ID: | Pine.LNX.4.64.0906040203020.17118@sn.sai.msu.ru |
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Lists: | pgsql-general |
On Wed, 3 Jun 2009, Tom Lane wrote:
> Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
>> seems I don't understand how FOUND variable in pl/pgsql function defined,
>> when I use EXECUTE of PERFORM. There is no problem when I use plain SQL.
>
> EXECUTE doesn't affect FOUND, even if the statement-to-be-executed would
> have. There's been some discussion about changing that, but no
> movement.
I think this should be clarified in docs.
Hmm, simple update-or-insert function in case of EXECUTE became
complicated. I had to use RETURNING xxx INTO yyy and check yyy for NULL
value.
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru)
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
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