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| author | Robert Haas <rhaas@postgresql.org> | 2019-07-08 14:51:53 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2019-07-08 14:51:53 -0400 |
| commit | 554106b1163853757b72ce14d7db5050c32bfa6a (patch) | |
| tree | a85a29d87c4124e575ad24dc8a5627878b1024aa /src/backend/access/gist/gistscan.c | |
| parent | 482501d433b9f218d5a117571f1df9aebefe68bb (diff) | |
| download | postgresql-554106b1163853757b72ce14d7db5050c32bfa6a.tar.gz postgresql-554106b1163853757b72ce14d7db5050c32bfa6a.zip | |
tableam: Provide helper functions for relation sizing.
Most block-based table AMs will need the exact same implementation of
the relation_size callback as the heap, and if they use a standard
page layout, they will likely need an implementation of the
relation_estimate_size callback that is very similar to that of the
heap. Rearrange to facilitate code reuse.
Patch by me, reviewed by Michael Paquier, Daniel Gustafsson, and
Álvaro Herrera.
Discussion: http://postgr.es/m/CA+TgmoZ6DBPnP1E-vRpQZUJQijJFD54F+SR_pxGiAAS-MyrigA@mail.gmail.com
Diffstat (limited to 'src/backend/access/gist/gistscan.c')
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