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From: Justin Pryzby <pryzby@telsasoft.com>
To: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@anarazel.de>
Cc: buschmann@nidsa.net
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #16045: vacuum_db crash and illegal memory alloc after pg_upgrade from PG11 to PG12
Date: Mon, 14 Oct 2019 23:41:18 -0500
Message-ID: <20191015044118.GO3599@telsasoft.com> (raw)
In-Reply-To: <20191015001817.zei45apgpu5dzngr@development>
References: <30706.1570717152@sss.pgh.pa.us>
	<20191010163350.2rtcjtje6tkgilqi@development>
	<1542.1570738460@sss.pgh.pa.us>
	<20191010204022.6hiiubm2cueu3ghk@development>
	<20191013001032.lqrn4kqaovhrf77l@development>
	<17717.1570991208@sss.pgh.pa.us>
	<20191013203848.2eksimmpux3546wr@development>
	<27596.1571062600@sss.pgh.pa.us>
	<20191014163538.cqn6j4cl7s2mk2yz@development>
	<20191015001817.zei45apgpu5dzngr@development>

On Tue, Oct 15, 2019 at 02:18:17AM +0200, Tomas Vondra wrote:
> On Mon, Oct 14, 2019 at 06:35:38PM +0200, Tomas Vondra wrote:
> >...
> >
> >Aha! I forgot we copy the necessary stuff into pg_attribute. Thanks for
> >clarifying, I'll polish and push the fix shortly.

Perhaps it'd be worth creating a test for on-disk format ?

Like a table with a column for each core type, which is either SELECTed from
after pg_upgrade, or pg_dump output compared before and after.

Justin





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  Cc: pryzby@telsasoft.com, tomas.vondra@2ndquadrant.com, tgl@sss.pgh.pa.us, andres@anarazel.de, buschmann@nidsa.net, pgsql-bugs@lists.postgresql.org
  Subject: Re: BUG #16045: vacuum_db crash and illegal memory alloc after pg_upgrade from PG11 to PG12
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