From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
---|---|
To: | Zet <skyer(at)on(dot)kg> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Get count of records from SELECT |
Date: | 2005-11-15 12:27:58 |
Message-ID: | 20051115122757.GF7519@svana.org |
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Thread: | |
Lists: | pgsql-general |
On Tue, Nov 15, 2005 at 05:56:27PM +0300, Zet wrote:
> Hi
>
> I have example:
<snip>
> -- here I will get count of records in "rnum", but I need in LOOP's
> -- first step
You can't, because by that stage the query hasn't finished running yet.
What you need to do is put the output for the query in a temporary
table. Then GET DIAGNOSTICS will have the rowcount. Then you can loop
over that table.
Hope this helps,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.
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