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| author | Teodor Sigaev <teodor@sigaev.ru> | 2017-12-22 13:33:16 +0300 |
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| committer | Teodor Sigaev <teodor@sigaev.ru> | 2017-12-22 13:33:16 +0300 |
| commit | 854823fa334cb826eed50da751801d0693b10173 (patch) | |
| tree | 437b74de241ede698bc1f9734f40829ee648b93e /src/backend/utils/adt/geo_spgist.c | |
| parent | 9373baa0f764392c504df034afd2f6b178c29491 (diff) | |
| download | postgresql-854823fa334cb826eed50da751801d0693b10173.tar.gz postgresql-854823fa334cb826eed50da751801d0693b10173.zip | |
Add optional compression method to SP-GiST
Patch allows to have different types of column and value stored in leaf tuples
of SP-GiST. The main application of feature is to transform complex column type
to simple indexed type or for truncating too long value, transformation could
be lossy. Simple example: polygons are converted to their bounding boxes,
this opclass follows.
Authors: me, Heikki Linnakangas, Alexander Korotkov, Nikita Glukhov
Reviewed-By: all authors + Darafei Praliaskouski
Discussions:
https://www.postgresql.org/message-id/5447B3FF.2080406@sigaev.ru
https://www.postgresql.org/message-id/flat/54907069.1030506@sigaev.ru#54907069.1030506@sigaev.ru
Diffstat (limited to 'src/backend/utils/adt/geo_spgist.c')
0 files changed, 0 insertions, 0 deletions