Re: Using results from DELETE ... RETURNING

From: Joshua Tolley <eggyknap(at)gmail(dot)com>
To: Shak <sshaikh(at)hotmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Using results from DELETE ... RETURNING
Date: 2009-06-05 21:45:33
Message-ID: 20090605214533.GB442@eddie
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On Mon, Jun 01, 2009 at 04:21:27PM +0100, Shak wrote:
> When RETURNING from a DELETE statement (or similar), how do you access the
> results being returned?
>
> Something like:
>
> SELECT COUNT(*) FROM (DELETE FROM a RETURNING *) ;
>
> sounds reasonable but results in a syntax error. I am able to return single
> results into a variable or record, but not more than one result.

You can't. It's on the TODO list (http://wiki.postgresql.org/wiki/Todo). Look
for "Allow INSERT/UPDATE ... RETURNING" and "Allow INSERT ... DELETE ... RETURNING"

- Josh / eggyknap

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