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/bit.sql | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/contrib/btree_gist/sql/bit.sql b/contrib/btree_gist/sql/bit.sql
index a6b6ab3b3b7..a733042023f 100644
--- a/contrib/btree_gist/sql/bit.sql
+++ b/contrib/btree_gist/sql/bit.sql
@@ -29,3 +29,8 @@ SELECT count(*) FROM bittmp WHERE a  =  '011011000100010111011000110000100';
 SELECT count(*) FROM bittmp WHERE a >=  '011011000100010111011000110000100';
 
 SELECT count(*) FROM bittmp WHERE a >   '011011000100010111011000110000100';
+
+-- Test index-only scans
+SET enable_bitmapscan=off;
+EXPLAIN (COSTS OFF)
+SELECT a FROM bittmp WHERE a BETWEEN '1000000' and '1000001';
-- 
cgit v1.2.3

