| From: | Maxim Orlov <orlovmg(at)gmail(dot)com> |
|---|---|
| To: | Thom Brown <thom(at)linux(dot)com> |
| Cc: | Zhang Mingli <zmlpostgres(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Stephen Frost <sfrost(at)snowman(dot)net>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Ilya Anfimov <ilan(at)tzirechnoy(dot)com> |
| Subject: | Re: Add 64-bit XIDs into PostgreSQL 15 |
| Date: | 2022-11-14 13:56:07 |
| Message-ID: | CACG=ezYiRfkNb3dTqeThebRL3mVfMm65hqaXOuk=FOGB_HbgQg@mail.gmail.com |
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| Lists: | pgsql-hackers |
>
>
> 0008 needs a rebase. heapam.h and catversion.h are failing.
>
> Regards
>
> Thom
>
Thanks, done!
Also add copying of the xmin and xmax while page is locked. In heapgetpage
we have to copy tuples xmin and xmax while
we're holding a lock. Since we do not hold a lock after that, values of
xmin or xmax may be changed, and we may get
incorrect values of those fields. This affects only the scenario when the
user select xmin or xmax "directly" by SQL query, AFAICS.
--
Best regards,
Maxim Orlov.
| Attachment | Content-Type | Size |
|---|---|---|
| v50-0004-Use-64-bit-pages-representation-in-SLRU-callers.patch | application/octet-stream | 23.6 KB |
| v50-0001-Use-64-bit-numbering-of-SLRU-pages.patch | application/octet-stream | 24.5 KB |
| v50-0005-Add-initdb-option-to-initialize-cluster-with-non.patch | application/octet-stream | 24.3 KB |
| v50-0003-Use-64-bit-FullTransactionId-instead-of-Epoch-xi.patch | application/octet-stream | 18.7 KB |
| v50-0002-Use-64-bit-format-to-output-XIDs.patch | application/octet-stream | 123.1 KB |
| v50-0007-Use-64-bit-GUCs.patch | application/octet-stream | 25.7 KB |
| v50-0006-README.XID64.patch | application/octet-stream | 7.2 KB |
| v50-0008-Use-64-bit-XIDs.patch | application/octet-stream | 756.8 KB |
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