From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Amit Langote <amitlangote09@gmail.com>
Cc: Peter Geoghegan <pg@bowt.ie>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: Fixing findDependentObjects()'s dependency on scan order (regressions in DROP diagnostic messages)
Date: Sat, 9 Feb 2019 22:26:59 -0300
Message-ID: <20190210012659.GA31140@alvherre.pgsql> (raw)
In-Reply-To: <27981.1549761937@sss.pgh.pa.us>
On 2019-Feb-09, Tom Lane wrote:
> Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> > On 2019-Feb-09, Tom Lane wrote:
> >> Oh ... then why don't we go ahead and get rid of the constraint entry,
> >> too?
>
> > Because each partition has its own pg_constraint entry. (Otherwise
> > there's no place to put the column numbers into -- they can differ from
> > partition to partition, remember.) The only thing we do is mark it as
> > child of the parent's one.
>
> Uh-huh. And what happens after DETACH PARTITION ... are you going to run
> around and recreate these triggers?
Yep, that's there too.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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To: pgsql-hackers@postgresql.org
Cc: alvherre@2ndquadrant.com, tgl@sss.pgh.pa.us, amitlangote09@gmail.com, pg@bowt.ie
Subject: Re: Fixing findDependentObjects()'s dependency on scan order (regressions in DROP diagnostic messages)
In-Reply-To: <20190210012659.GA31140@alvherre.pgsql>
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