Re: Recovering from detoast-related catcache invalidations

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Xiaoran Wang <fanfuxiaoran(at)gmail(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Recovering from detoast-related catcache invalidations
Date: 2024-01-12 20:47:13
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I wrote:
> This is uncomfortably much in bed with the tuple table slot code,
> perhaps, but I don't see a way to do it more cleanly unless we want
> to add some new provisions to that API. Andres, do you have any
> thoughts about that?

Oh! After nosing around a bit more I remembered systable_recheck_tuple,
which is meant for exactly this purpose. So v4 attached.

regards, tom lane

Attachment Content-Type Size
v4-fix-stale-catcache-entries.patch text/x-diff 10.5 KB

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