Re: pgsql: Skip full index scan during cleanup of B-tree indexes when possi

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Geoghegan <pg(at)bowt(dot)ie>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, pgsql-committers <pgsql-committers(at)lists(dot)postgresql(dot)org>
Subject: Re: pgsql: Skip full index scan during cleanup of B-tree indexes when possi
Date: 2018-04-05 02:12:15
Message-ID: 20180405021215.GD1732@paquier.xyz
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On Wed, Apr 04, 2018 at 08:58:14PM -0400, Tom Lane wrote:
> Peter Geoghegan <pg(at)bowt(dot)ie> writes:
> > I also see an assertion failure within _bt_getrootheight():
>
> > TRAP: FailedAssertion("!(metad->btm_version == 3)", File:
> > "/home/pg/postgresql/root/build/../source/src/backend/access/nbtree/nbtpage.c",
> > Line: 619)
>
> Hm, buildfarm's not complaining --- what's the test case?

Hm. No problems here either with a56e267 and gcc 7.3. The warnings are
here for sure, and any compiler would complain about those.
--
Michael

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