Thread: pgsql: Cube extension kNN support
Cube extension kNN support Introduce distance operators over cubes: <#> taxicab distance <-> euclidean distance <=> chebyshev distance Also add kNN support of those distances in GiST opclass. Author: Stas Kelvich Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/33bd250f6c4cc309f4eeb657da80f1e7743b3e5c Modified Files -------------- contrib/cube/Makefile | 2 +- contrib/cube/cube--1.0--1.1.sql | 60 ++++++ contrib/cube/cube--1.0.sql | 325 -------------------------------- contrib/cube/cube--1.1.sql | 379 ++++++++++++++++++++++++++++++++++++++ contrib/cube/cube.c | 208 +++++++++++++++++++++ contrib/cube/cube.control | 2 +- contrib/cube/cubedata.h | 5 + contrib/cube/expected/cube.out | 301 ++++++++++++++++++++++++++++++ contrib/cube/expected/cube_1.out | 301 ++++++++++++++++++++++++++++++ contrib/cube/expected/cube_2.out | 301 ++++++++++++++++++++++++++++++ contrib/cube/expected/cube_3.out | 301 ++++++++++++++++++++++++++++++ contrib/cube/sql/cube.sql | 53 ++++++ doc/src/sgml/cube.sgml | 96 ++++++++++ 13 files changed, 2007 insertions(+), 327 deletions(-)