postgresql/contrib/btree_gist/expected/inet.out

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2023-05-09 21:11:15 +00:00
-- 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';
count
-------
213
(1 row)
SELECT count(*) FROM inettmp WHERE a <= '89.225.196.191';
count
-------
214
(1 row)
SELECT count(*) FROM inettmp WHERE a = '89.225.196.191';
count
-------
1
(1 row)
SELECT count(*) FROM inettmp WHERE a >= '89.225.196.191';
count
-------
387
(1 row)
SELECT count(*) FROM inettmp WHERE a > '89.225.196.191';
count
-------
386
(1 row)
CREATE INDEX inetidx ON inettmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM inettmp WHERE a < '89.225.196.191'::inet;
count
-------
213
(1 row)
SELECT count(*) FROM inettmp WHERE a <= '89.225.196.191'::inet;
count
-------
214
(1 row)
SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
count
-------
1
(1 row)
SELECT count(*) FROM inettmp WHERE a >= '89.225.196.191'::inet;
count
-------
387
(1 row)
SELECT count(*) FROM inettmp WHERE a > '89.225.196.191'::inet;
count
-------
386
(1 row)
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;
QUERY PLAN
--------------------------------------------------
Aggregate
-> Index Scan using inetidx on inettmp
Index Cond: (a = '89.225.196.191'::inet)
(3 rows)
SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
count
-------
1
(1 row)
DROP INDEX inetidx;
CREATE INDEX ON inettmp USING gist (a gist_inet_ops, a inet_ops);
-- this can be an index-only scan, as long as the planner uses the right column
EXPLAIN (COSTS OFF)
SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
QUERY PLAN
---------------------------------------------------------
Aggregate
-> Index Only Scan using inettmp_a_a1_idx on inettmp
Index Cond: (a = '89.225.196.191'::inet)
(3 rows)
SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
count
-------
1
(1 row)