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Cube extension kNN support

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Introduce distance operators over cubes:
<#> taxicab distance
<->  euclidean distance
<=> chebyshev distance

Also add kNN support of those distances in GiST opclass.

Author: Stas Kelvich
This commit is contained in:
Teodor Sigaev
2015-12-18 14:38:27 +03:00
parent 3d0c50ffa0
commit 33bd250f6c
12 changed files with 1684 additions and 4 deletions
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contrib/cube/Makefile
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@ -4,7 +4,7 @@ MODULE_big = cube
OBJS= cube.o cubeparse.o $(WIN32RES)
EXTENSION = cube
DATA = cube--1.0.sql cube--unpackaged--1.0.sql
DATA = cube--1.1.sql cube--1.0--1.1.sql cube--unpackaged--1.0.sql
PGFILEDESC = "cube - multidimensional cube data type"
REGRESS = cube