postgresql/contrib/btree_gist/sql/macaddr.sql
Heikki Linnakangas e09b48316c 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.
2015-03-27 23:35:16 +02:00

38 lines
1.1 KiB
SQL

-- macaddr check
CREATE TABLE macaddrtmp (a macaddr);
\copy macaddrtmp from 'data/macaddr.data'
SET enable_seqscan=on;
SELECT count(*) FROM macaddrtmp WHERE a < '22:00:5c:e5:9b:0d';
SELECT count(*) FROM macaddrtmp WHERE a <= '22:00:5c:e5:9b:0d';
SELECT count(*) FROM macaddrtmp WHERE a = '22:00:5c:e5:9b:0d';
SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d';
SELECT count(*) FROM macaddrtmp WHERE a > '22:00:5c:e5:9b:0d';
CREATE INDEX macaddridx ON macaddrtmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM macaddrtmp WHERE a < '22:00:5c:e5:9b:0d'::macaddr;
SELECT count(*) FROM macaddrtmp WHERE a <= '22:00:5c:e5:9b:0d'::macaddr;
SELECT count(*) FROM macaddrtmp WHERE a = '22:00:5c:e5:9b:0d'::macaddr;
SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d'::macaddr;
SELECT count(*) FROM macaddrtmp WHERE a > '22:00:5c:e5:9b:0d'::macaddr;
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT * FROM macaddrtmp WHERE a < '02:03:04:05:06:07'::macaddr;
SELECT * FROM macaddrtmp WHERE a < '02:03:04:05:06:07'::macaddr;