Re: pgsql: Fix crash when ALTER TABLE recreates indexes on partitions

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: pgsql: Fix crash when ALTER TABLE recreates indexes on partitions
Date: 2018-07-04 17:15:19
Message-ID: 20180704171519.psqj76htohj7mco5@alvherre.pgsql
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On 2018-Jun-30, Tom Lane wrote:

> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > Fix crash when ALTER TABLE recreates indexes on partitions
>
> So ... buildfarm member skink has been reporting a valgrind failure
> during initdb since this patch went in. However, I'm unable to reproduce
> such a failure here, and it's less than obvious how this particular patch
> could have caused a problem, and skink's report is pretty useless because
> it's providing only a numeric stack trace. Thoughts?

Actually, older branches are failing in the same way, so it's not my
patch that caused it to fail. Something must have changed in the system ...
Andres?

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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