-- inet check CREATE TABLE inettmp (a inet); \copy inettmp from 'data/inet.data' SET enable_seqscan=on; SELECT count(*) FROM inettmp WHERE a < '89.225.196.191'; SELECT count(*) FROM inettmp WHERE a <= '89.225.196.191'; SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'; SELECT count(*) FROM inettmp WHERE a >= '89.225.196.191'; SELECT count(*) FROM inettmp WHERE a > '89.225.196.191'; CREATE INDEX inetidx ON inettmp USING gist ( a ); SET enable_seqscan=off; SELECT count(*) FROM inettmp WHERE a < '89.225.196.191'::inet; SELECT count(*) FROM inettmp WHERE a <= '89.225.196.191'::inet; SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet; SELECT count(*) FROM inettmp WHERE a >= '89.225.196.191'::inet; SELECT count(*) FROM inettmp WHERE a > '89.225.196.191'::inet; VACUUM ANALYZE inettmp; -- gist_inet_ops lacks a fetch function, so this should not be index-only scan EXPLAIN (COSTS OFF) SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet; SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet; DROP INDEX inetidx; CREATE INDEX ON inettmp USING gist (a gist_inet_ops, a inet_ops); -- likewise here (checks for core planner bug) EXPLAIN (COSTS OFF) SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet; SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;