From e09b48316c22fce727bce3c89fa64fc627787e6a Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Fri, 27 Mar 2015 23:35:16 +0200
Subject: Add index-only scan support to btree_gist.

inet, cidr, and timetz indexes still cannot support index-only scans,
because they don't store the original unmodified value in the index, but a
derived approximate value.
---
 contrib/btree_gist/sql/numeric.sql | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'contrib/btree_gist/sql/numeric.sql')

diff --git a/contrib/btree_gist/sql/numeric.sql b/contrib/btree_gist/sql/numeric.sql
index ae4ef7c689d..dbb2f2f1838 100644
--- a/contrib/btree_gist/sql/numeric.sql
+++ b/contrib/btree_gist/sql/numeric.sql
@@ -75,3 +75,9 @@ SELECT count(*) FROM numerictmp WHERE a  = 0 ;
 SELECT count(*) FROM numerictmp WHERE a >= 0 ;
 
 SELECT count(*) FROM numerictmp WHERE a >  0 ;
+
+-- Test index-only scans
+SET enable_bitmapscan=off;
+EXPLAIN (COSTS OFF)
+SELECT * FROM numerictmp WHERE a BETWEEN 1 AND 300 ORDER BY a;
+SELECT * FROM numerictmp WHERE a BETWEEN 1 AND 300 ORDER BY a;
-- 
cgit v1.2.3

