| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | cca5507 <cca5507(at)qq(dot)com> |
| Cc: | Ajin Cherian <itsajin(at)gmail(dot)com>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state |
| Date: | 2025-07-01 23:47:03 |
| Message-ID: | aGRzdwwD0Ei-xi5k@paquier.xyz |
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| Thread: | |
| Lists: | pgsql-hackers |
On Sat, Jun 28, 2025 at 11:44:52AM +0800, cca5507 wrote:
> If I understand correctly, this may break the basic principle:
>
> The aim is to build a snapshot that behaves the same as a
> freshly taken MVCC snapshot would have at the time the
> XLogRecord was generated.
Please note that we prefer bottom-posting when sending messages on
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link:
https://en.wikipedia.org/wiki/Posting_style#Bottom-posting
Top-posting, as you did in your last email, is breaking the logic and
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Some more useful documentation from the PostgreSQL wiki:
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--
Michael
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