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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2019-07-24 20:24:07 +0300 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2019-07-24 20:24:07 +0300 |
| commit | 6655a7299d835dea9e8e0ba69cc5284611b96f29 (patch) | |
| tree | 3ef87e2ae30a08c0ea9cb3413443624352cdc661 /src/backend/executor | |
| parent | 9eb5607e69933f0a88b6774d1ba728f27afdbd3d (diff) | |
| download | postgresql-6655a7299d835dea9e8e0ba69cc5284611b96f29.tar.gz postgresql-6655a7299d835dea9e8e0ba69cc5284611b96f29.zip | |
Use full 64-bit XID for checking if a deleted GiST page is old enough.
Otherwise, after a deleted page gets even older, it becomes unrecyclable
again. B-tree has the same problem, and has had since time immemorial,
but let's at least fix this in GiST, where this is new.
Backpatch to v12, where GiST page deletion was introduced.
Reviewed-by: Andrey Borodin
Discussion: https://www.postgresql.org/message-id/835A15A5-F1B4-4446-A711-BF48357EB602%40yandex-team.ru
Diffstat (limited to 'src/backend/executor')
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