Re: Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state
От | Bertrand Drouvot |
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Тема | Re: Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state |
Дата | |
Msg-id | ZrNNjW/xLbw7IaRs@ip-10-97-1-34.eu-west-3.compute.internal обсуждение исходный текст |
Ответ на | Re: Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state ("cca5507" <cca5507@qq.com>) |
Ответы |
Re: Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state
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Список | pgsql-hackers |
Hi, On Mon, Jun 10, 2024 at 10:04:31PM +0800, cca5507 wrote: > Thank you for reply!I am trying to fix it. This patch (pass check-world) will track txns > committed in BUILDING_SNAPSHOT state and can fix this bug. Thanks for the report and the patch! I did not look at the patch in detail but I can see that it does no contain a test related to this issue. Would you mind to add a test in say contrib/test_decoding? (see catalog_change_snapshot for example). FWIW, to ease the writing of the test, I think you don't need pub/sub to produce the issue. I think you can reproduce with a single instance and multiple sessions : replace in your repro the "(sub)create subscription" by a "logical slot creation" and finish the test by "pg_logical_slot_get_changes" on the slot created above. Regards, -- Bertrand Drouvot PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com
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