RE: Use of RETURN in pl/pgsql function

From: Jeff Eckermann <jeckermann(at)verio(dot)net>
To: "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "'pgsql-sql(at)postgresql(dot)org'" <pgsql-sql(at)postgresql(dot)org>
Subject: RE: Use of RETURN in pl/pgsql function
Date: 2001-02-07 20:16:46
Message-ID: 08CD1781F85AD4118E0800A0C9B8580B0948FF@NEZU
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I'll be hornswoggled: that works.
I hadn't expected a problem, simply because I knew the range in advance:
here is the distribution for the select that I was working with:
extracts=# select billing_frequency, count (*) from report_table group by
billing_frequency;
billing_frequency | count
-------------------+-------
Monthly | 50431
Quarterly | 7742
Semi-Annual | 167
Yearly | 8573
(4 rows)
Nevertheless, just adding an "...else return new;" did the trick.
I don't understand the logic of this, but then, if I stopped to consider
every mystery, I'd never get any work done:-).
Thanks very much for your help (again).

> -----Original Message-----
> From: Tom Lane [SMTP:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> Sent: Wednesday, February 07, 2001 12:48 PM
> To: Jeff Eckermann
> Cc: 'pgsql-sql(at)postgresql(dot)org'
> Subject: Re: [SQL] Use of RETURN in pl/pgsql function
>
> Jeff Eckermann <jeckermann(at)verio(dot)net> writes:
> > I thought (based on recent posts) that this use of RETURN is allowed,
> but
> > when trying an insert to report_table, I get the following error:
> > ERROR: control reaches end of trigger procedure without RETURN
>
> Looks to me like you didn't cover the case where billing_frequency is
> not any of the values you tested for. Maybe you just want to raise
> an error in that case...
>
> regards, tom lane

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