From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Roberto Mello <rmello(at)cc(dot)usu(dot)edu> |
Cc: | teknokrat <teknokrat(at)yahoo(dot)com>, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: How do i return a dataset from a stored procedure |
Date: | 2002-07-06 02:17:16 |
Message-ID: | 200207060217.g662HGT11627@candle.pha.pa.us |
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Lists: | pgsql-sql |
Roberto Mello wrote:
> On Fri, Jul 05, 2002 at 01:32:33AM -0700, teknokrat wrote:
> > I can't figure out how to return a group of rows from a function
> > written in plpgsql (or plsql for that matter). The only way i have
> > seen it done is with a setof table return value in sql. But since the
> > query was a single select anyway i don't see the point of this. Is
> > there a way of creating a temporary table in a procedure and using it
> > as the output?
>
> Search the list archives (through groups.google.com - it's
> comp.databases.postgresql) or see the developer docs for PL/pgSQL. You
> can achive that effect by returning a cursor in PG 7.2 (the section on
> returning cursors is ommitted from the current docs in
> www.postgresql.org/idocs, so you need to look at the developer docs - see
> www.us.postgresql.org).
7.3 will have better docs on using it but you can see them now in the
developers docs:
http://developer.postgresql.org/docs/postgres/plpgsql-cursors.html
See the bottom of that page for examples.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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