Re: HeapTupleSatisfiesToast() busted? (was atomic pin/unpin causing errors)

From: Andres Freund <andres(at)anarazel(dot)de>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: HeapTupleSatisfiesToast() busted? (was atomic pin/unpin causing errors)
Date: 2016-05-10 16:20:02
Message-ID: 20160510162002.kyvepa63fcbeimq4@alap3.anarazel.de
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On 2016-05-10 12:28:57 +0200, Simon Riggs wrote:
> On 10 May 2016 at 09:05, Andres Freund <andres(at)anarazel(dot)de> wrote:
>
>
> > Is anybody ready with a good defense for SatisfiesToast not doing any
> > actual liveliness checks?
> >
>
> I provided a patch earlier that rechecks the OID fetched from a toast chunk
> matches the OID requested.

They match in this case, so that's not likely to help with the issue at
hand?

- Andres

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