| 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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