From: Jan Meyland Andersen <jma@agile.dk>
To: Michael Fuhr <mike@fuhr.org>
Cc: Jan Meyland Andersen <jma@agile.dk>
Cc: pgsql-sql@postgresql.org
Subject: Re: Related tables to a view
Date: Tue, 26 Dec 2006 21:10:37 +0100 (CET)
Message-ID: <1260.62.66.218.59.1167163837.squirrel@mail.agile.dk> (raw)
In-Reply-To: <20061226041029.GA61490@winnie.fuhr.org>
References: <1404.62.66.218.59.1167083523.squirrel@mail.agile.dk>
<20061226041029.GA61490@winnie.fuhr.org>
> You could query pg_depend to find out which tables and columns the
> view's rewrite rule depends on but that's not as specific as what
> you're requesting. I'm not aware of a way to associate a particular
> table column with a particular view column short of parsing the view
> definition or rule action; doing so would have to allow for the
> possibility of a view column deriving its value from an arbitrarily
> complex expression involving multiple tables, subqueries, etc.
I have been thinking the problem through again, and I think I am able to
solve the problem if I just know which tables the view is using.
But how do I get this information from the pg_depend table?
Regards
Jan
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To: pgsql-sql@postgresql.org
Cc: jma@agile.dk, mike@fuhr.org
Subject: Re: Related tables to a view
In-Reply-To: <1260.62.66.218.59.1167163837.squirrel@mail.agile.dk>
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