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Alexander Korotkov 2a6368343f Add support for nearest-neighbor (KNN) searches to SP-GiST ... Currently, KNN searches were supported only by GiST. SP-GiST also capable to support them. This commit implements that support. SP-GiST scan stack is replaced with queue, which serves as stack if no ordering is specified. KNN support is provided for three SP-GIST opclasses: quad_point_ops, kd_point_ops and poly_ops (catversion is bumped). Some common parts between GiST and SP-GiST KNNs are extracted into separate functions. Discussion: https://postgr.es/m/570825e8-47d0-4732-2bf6-88d67d2d51c8%40postgrespro.ru Author: Nikita Glukhov, Alexander Korotkov based on GSoC work by Vlad Sterzhanov Review: Andrey Borodin, Alexander Korotkov		7 years ago
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src	Add support for nearest-neighbor (KNN) searches to SP-GiST	7 years ago
KNOWN_BUGS	…
MISSING_FEATURES	…
Makefile	…
TODO	Change documentation references to PG website to use https: not http:	9 years ago
bug.template	Stamp HEAD as 12devel	8 years ago