From 4f56ac8a8c67a8d497592f6b89e22f959b6aa4e3 Mon Sep 17 00:00:00 2001
From: Andrey Borodin <amborodin@acm.org>
Date: Tue, 23 May 2017 14:38:26 +0500
Subject: [PATCH] Index Only Scan support for cube

---
 contrib/cube/Makefile           |  2 +-
 contrib/cube/cube--1.2--1.3.sql |  8 ++++++++
 contrib/cube/cube.control       |  2 +-
 contrib/cube/expected/cube.out  | 19 +++++++++++++++++++
 contrib/cube/sql/cube.sql       |  6 ++++++
 5 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 contrib/cube/cube--1.2--1.3.sql

diff --git a/contrib/cube/Makefile b/contrib/cube/Makefile
index be7a1bc1a00..175da7791fb 100644
--- a/contrib/cube/Makefile
+++ b/contrib/cube/Makefile
@@ -4,7 +4,7 @@ MODULE_big = cube
 OBJS= cube.o cubeparse.o $(WIN32RES)
 
 EXTENSION = cube
-DATA = cube--1.2.sql cube--1.1--1.2.sql cube--1.0--1.1.sql \
+DATA =  cube--1.2--1.3.sql cube--1.2.sql cube--1.1--1.2.sql cube--1.0--1.1.sql \
 	cube--unpackaged--1.0.sql
 PGFILEDESC = "cube - multidimensional cube data type"
 
diff --git a/contrib/cube/cube--1.2--1.3.sql b/contrib/cube/cube--1.2--1.3.sql
new file mode 100644
index 00000000000..a122d5039fd
--- /dev/null
+++ b/contrib/cube/cube--1.2--1.3.sql
@@ -0,0 +1,8 @@
+/* contrib/cube/cube--1.2--1.3.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.5'" to load this file. \quit
+
+
+ALTER OPERATOR FAMILY gist_cube_ops USING gist ADD
+	FUNCTION	9 (cube, cube) g_cube_decompress (internal) ;
diff --git a/contrib/cube/cube.control b/contrib/cube/cube.control
index b03cfa0a580..af062d48436 100644
--- a/contrib/cube/cube.control
+++ b/contrib/cube/cube.control
@@ -1,5 +1,5 @@
 # cube extension
 comment = 'data type for multidimensional cubes'
-default_version = '1.2'
+default_version = '1.3'
 module_pathname = '$libdir/cube'
 relocatable = true
diff --git a/contrib/cube/expected/cube.out b/contrib/cube/expected/cube.out
index 328b3b5f5de..52d65c0339a 100644
--- a/contrib/cube/expected/cube.out
+++ b/contrib/cube/expected/cube.out
@@ -1701,6 +1701,25 @@ SELECT * FROM test_cube ORDER BY c~>4 DESC LIMIT 15; -- descending by 2nd coordi
  (46151, 49848),(46058, 49830)
 (15 rows)
 
+-- Test Index Only Scans
+SET ENABLE_BITMAPSCAN = FALSE;
+EXPLAIN (COSTS OFF) SELECT c FROM test_cube WHERE c <@ '(3000,1000),(0,0)';
+                    QUERY PLAN                    
+--------------------------------------------------
+ Index Only Scan using test_cube_ix on test_cube
+   Index Cond: (c <@ '(3000, 1000),(0, 0)'::cube)
+(2 rows)
+
+SELECT c FROM test_cube WHERE c <@ '(3000,1000),(0,0)';
+            c            
+-------------------------
+ (2424, 160),(2424, 81)
+ (759, 187),(662, 163)
+ (1444, 403),(1346, 344)
+ (337, 455),(240, 359)
+(4 rows)
+
+SET ENABLE_BITMAPSCAN = TRUE;
 -- same thing for index with points
 CREATE TABLE test_point(c cube);
 INSERT INTO test_point(SELECT cube(array[c->1,c->2,c->3,c->4]) FROM test_cube);
diff --git a/contrib/cube/sql/cube.sql b/contrib/cube/sql/cube.sql
index 58ea3ad8113..277a81a03e7 100644
--- a/contrib/cube/sql/cube.sql
+++ b/contrib/cube/sql/cube.sql
@@ -393,6 +393,12 @@ SELECT * FROM test_cube ORDER BY c~>4 LIMIT 15; -- ascending by 2nd coordinate o
 SELECT * FROM test_cube ORDER BY c~>1 DESC LIMIT 15; -- descending by 1st coordinate of lower left corner
 SELECT * FROM test_cube ORDER BY c~>4 DESC LIMIT 15; -- descending by 2nd coordinate or upper right corner
 
+-- Test Index Only Scans
+SET ENABLE_BITMAPSCAN = FALSE;
+EXPLAIN (COSTS OFF) SELECT c FROM test_cube WHERE c <@ '(3000,1000),(0,0)';
+SELECT c FROM test_cube WHERE c <@ '(3000,1000),(0,0)';
+SET ENABLE_BITMAPSCAN = TRUE;
+
 -- same thing for index with points
 CREATE TABLE test_point(c cube);
 INSERT INTO test_point(SELECT cube(array[c->1,c->2,c->3,c->4]) FROM test_cube);