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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2019-07-24 20:24:05 +0300 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2019-07-24 20:25:21 +0300 |
| commit | e2e992c93145cfc0e3563fb84efd25b390a84bb9 (patch) | |
| tree | 6d4e6dab64db241cb9d9c5330f91d9739668ddc9 /src/include/access/gist.h | |
| parent | bfa4263e7119685cddb08ed2e2b3462157d4d453 (diff) | |
| download | postgresql-e2e992c93145cfc0e3563fb84efd25b390a84bb9.tar.gz postgresql-e2e992c93145cfc0e3563fb84efd25b390a84bb9.zip | |
Refactor checks for deleted GiST pages.
The explicit check in gistScanPage() isn't currently really necessary, as
a deleted page is always empty, so the loop would fall through without
doing anything, anyway. But it's a marginal optimization, and it gives a
nice place to attach a comment to explain how it works.
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/include/access/gist.h')
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