From: Tom Lane <tgl@sss.pgh.pa.us>
To: Tilo Schwarz <mail@tilo-schwarz.de>
Cc: pgsql-sql@postgresql.org
Subject: Re: Question on SQL and pg_-tables
Date: Mon, 25 Nov 2002 13:32:05 -0500
Message-ID: <8774.1038249125@sss.pgh.pa.us> (raw)
In-Reply-To: <200211251721.27543.mail@tilo-schwarz.de>
References: <200211251721.27543.mail@tilo-schwarz.de>
Tilo Schwarz <mail@tilo-schwarz.de> writes:
> - Is it possible to get not only the two tables, but also their corresponding
> two columns involved in a RI-Constraint out of the pg_* tables just with a
> SQL query?
Not easily --- the column info is buried in the pg_trigger.tgargs entries
for the RI triggers, which there is no good way to take apart in plain SQL.
You might care to start experimenting with 7.3 instead; the new
pg_constraint table makes this much easier.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, mail@tilo-schwarz.de
Subject: Re: Question on SQL and pg_-tables
In-Reply-To: <8774.1038249125@sss.pgh.pa.us>
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