From e09b48316c22fce727bce3c89fa64fc627787e6a Mon Sep 17 00:00:00 2001 From: Heikki Linnakangas 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