Re: RE: pl/pgsql and returning rows

MY book in chapter 18 has a Pl/PgSQL function called change_statename
that does insert/update automatically.

http://www.postgresql.org/docs/awbook.html

> As a workaround, you can insert your row into an existing table, then
> retrieve it from there later. I think you need to enumerate all of the
> fields, as in 'INSERT INTO table VALUES (ret.field1,
> ret.field2,...ret.fieldn);'. At least, I haven't succeeded any other way.
> Messy, but the best method available right now.
>
> > -----Original Message-----
> > From: Richard Huxton [SMTP:dev(at)archonet(dot)com]
> > Sent: Tuesday, March 27, 2001 2:27 AM
> > To: pgsql-sql(at)postgresql(dot)org; wade
> > Subject: Re: pl/pgsql and returning rows
> >
> > From: "wade" <wade(at)wavefire(dot)com>
> >
> > > create function get_details(int4) returns details as '
> > > declare
> > > ret details%ROWTYPE;
> > > site_rec record;
> > > cntct contacts%ROWTYPE;
> > > begin
> > > select into site_rec * sites_table where id = $1 limit 1;
> > > select into cntct * from contacts where id = site_rec.contact;
> > >
> > > -- and then i populate rows of ret.
> > > ret.name := cntct.name;
> > > ret.ip := site_rec.ip;
> > > .
> > > .
> > > .
> > > return ret;
> > > end;
> > > ' language 'plpgsql';
> > >
> > > now the problem is when is when I do a:
> > > SELECT get_details(55);
> > > all i get is a single oid-looking return value:
> > > get_details
> > > -------------
> > > 136295592
> > > (1 row)
> >
> > Sorry - you can't return a row from a function at the present time (except
> > for trigger functions which are special) although I believe this is on the
> > todo list for a later 7.x release.
> >
> > Just from the top of my head, you might try a view with a select rule,
> > although I'm not completely clear what your objectives are.
> >
> > - Richard Huxton
> >
> >
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