From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: ALTER CONSTRAINT on a partitioned FK isn't working
Date: Mon, 7 Dec 2020 20:34:14 -0300
Message-ID: <20201207233414.GA24167@alvherre.pgsql> (raw)
In-Reply-To: <3144850.1607369633@sss.pgh.pa.us>
On 2020-Dec-07, Tom Lane wrote:
> then everything behaves as expected. So something is broken
> about propagating deferred-ness to partition triggers in an
> ALTER CONSTRAINT. Oddly, it *looks* like it worked if you
> examine the child tables with "\d+". I surmise that ALTER CONSTRAINT
> fixes whatever catalog fields psql looks at, but there's some other
> fields that also need to be updated and aren't being.
Yeah, this query shows that the tgdeferrable and tginitdeferred columns
ought to be dropped:
select tgname, tgdeferrable, tginitdeferred from pg_trigger;
These are all 'true' when the constraint is created correctly, and false
when changed by ALTER CONSTRAINT.
Let me see about fixing that ...
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To: pgsql-bugs@postgresql.org
Cc: alvherre@alvh.no-ip.org, tgl@sss.pgh.pa.us, pgsql-bugs@lists.postgresql.org
Subject: Re: ALTER CONSTRAINT on a partitioned FK isn't working
In-Reply-To: <20201207233414.GA24167@alvherre.pgsql>
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