Re: DELETE ... USING

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Neil Conway <neilc(at)samurai(dot)com>
Cc: Euler Taveira de Oliveira <eulerto(at)yahoo(dot)com(dot)br>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: DELETE ... USING
Date: 2005-04-09 04:06:43
Message-ID: 200504090406.j3946hJ14433@candle.pha.pa.us
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Neil Conway wrote:
> Euler Taveira de Oliveira wrote:
> > Could you provide a patch?
>
> Sure, a revised patch is attached. Note that this change will also
> require updating 25 (!) of the regression tests, since they use the
> SELECT-without-FROM syntax. I will update the tests (by adding an
> explicit FROM clause) before applying the patch -- which I'll do
> tomorrow, barring any objections.

I just checked current CVS and see exactly what you describe:

test=> SELECT pg_class.* LIMIT 0;
ERROR: missing FROM-clause entry for table "pg_class"

test=> SET add_missing_from=true;
SET
test=> SELECT pg_class.* LIMIT 0;
NOTICE: adding missing FROM-clause entry for table "pg_class"

Is this what we want? I don't think so. I thought we wanted to
maintain the backward-compatible syntax of no FROM clause.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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