Re: pg_depend

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: Alex Pilosov <alex(at)pilosoft(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_depend
Date: 2001-07-16 23:13:54
Message-ID: 200107162313.f6GNDsg12126@candle.pha.pa.us
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> Alex Pilosov writes:
>
> > > I'm not so convinced on that idea. Assume you're dropping object foo.
> > > You look at pg_depend and see that objects 145928, 264792, and 1893723
> > > depend on it. Great, what do you do now?
> > I believe someone else previously suggested this:
> >
> > drop <type> object [RESTRICT | CASCADE]
> >
> > to make use of dependency info.
>
> That was me. The point, however, was, given object id 145928, how the
> heck to you know what table this comes from?

I think we will need the relid of the system table. I imagine four
columns:

object relid
object oid
reference relid
references oid

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