Re: Write visibility map during CLUSTER/VACUUM FULL

From: Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Write visibility map during CLUSTER/VACUUM FULL
Date: 2019-09-01 17:05:42
Message-ID: CAPpHfdt3kqsMrfXP_i_xsdHTRtqL1XXSwBSJdF4oDA2qVAf3kA@mail.gmail.com
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On Sun, Sep 1, 2019 at 11:07 AM Alexander Korotkov
<a(dot)korotkov(at)postgrespro(dot)ru> wrote:
> This patch have to implement its own check if tuple is allvisible.
> But it appears to be possible to simplify this check assuming that all
> tuples already past HeapTupleSatisfiesVacuum(), which sets hint bits.

Forgot to check tuple xmin against oldest xmin. Fixed.

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

Attachment Content-Type Size
0001-write-vm-during-cluster-2.patch application/octet-stream 9.1 KB

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