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| author | David Rowley <drowley@postgresql.org> | 2023-02-03 11:48:39 +1300 |
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| committer | David Rowley <drowley@postgresql.org> | 2023-02-03 11:48:39 +1300 |
| commit | f9bc34fcb664e93d1fa3c3873527dce6f4cc495f (patch) | |
| tree | 4bddf8f7bc15439b0109450b65e50a33ea2c44f2 /src/backend/access/gist/gistbuild.c | |
| parent | cdf6518ef08ee602b94db4e5ba5887a1d7053c24 (diff) | |
| download | postgresql-f9bc34fcb664e93d1fa3c3873527dce6f4cc495f.tar.gz postgresql-f9bc34fcb664e93d1fa3c3873527dce6f4cc495f.zip | |
Further refactor of heapgettup and heapgettup_pagemode
Backward and forward scans share much of the same page acquisition code.
Here we consolidate that code to reduce some duplication.
Additionally, add a new rs_coffset field to HeapScanDescData to track the
offset of the current tuple. The new field fits nicely into the padding
between a bool and BlockNumber field and saves having to look at the last
returned tuple to figure out which offset we should be looking at for the
current tuple.
Author: Melanie Plageman
Reviewed-by: David Rowley
Discussion: https://postgr.es/m/CAAKRu_bvkhka0CZQun28KTqhuUh5ZqY=_T8QEqZqOL02rpi2bw@mail.gmail.com
Diffstat (limited to 'src/backend/access/gist/gistbuild.c')
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