| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Joshua Tolley <eggyknap(at)gmail(dot)com> |
| Cc: | Shak <sshaikh(at)hotmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Using results from DELETE ... RETURNING |
| Date: | 2009-06-05 22:51:53 |
| Message-ID: | 13938.1244242313@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Joshua Tolley <eggyknap(at)gmail(dot)com> writes:
> On Mon, Jun 01, 2009 at 04:21:27PM +0100, Shak wrote:
>> 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)
I think you can loop over the results in plpgsql, for instance
for rec in DELETE FROM a RETURNING * loop
... do something with rec ...
end loop;
regards, tom lane
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