postgresql/contrib/btree_gist/expected/interval.out

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2023-05-09 21:11:15 +00:00
-- interval check
CREATE TABLE intervaltmp (a interval);
\copy intervaltmp from 'data/interval.data'
SET enable_seqscan=on;
SELECT count(*) FROM intervaltmp WHERE a < '199 days 21:21:23';
count
-------
329
(1 row)
SELECT count(*) FROM intervaltmp WHERE a <= '199 days 21:21:23';
count
-------
330
(1 row)
SELECT count(*) FROM intervaltmp WHERE a = '199 days 21:21:23';
count
-------
1
(1 row)
SELECT count(*) FROM intervaltmp WHERE a >= '199 days 21:21:23';
count
-------
271
(1 row)
SELECT count(*) FROM intervaltmp WHERE a > '199 days 21:21:23';
count
-------
270
(1 row)
SELECT a, a <-> '199 days 21:21:23' FROM intervaltmp ORDER BY a <-> '199 days 21:21:23' LIMIT 3;
a | ?column?
-------------------------------------+--------------------------------------
@ 199 days 21 hours 21 mins 23 secs | @ 0
@ 183 days 6 hours 52 mins 48 secs | @ 16 days 14 hours 28 mins 35 secs
@ 220 days 19 hours 5 mins 42 secs | @ 21 days -2 hours -15 mins -41 secs
(3 rows)
CREATE INDEX intervalidx ON intervaltmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM intervaltmp WHERE a < '199 days 21:21:23'::interval;
count
-------
329
(1 row)
SELECT count(*) FROM intervaltmp WHERE a <= '199 days 21:21:23'::interval;
count
-------
330
(1 row)
SELECT count(*) FROM intervaltmp WHERE a = '199 days 21:21:23'::interval;
count
-------
1
(1 row)
SELECT count(*) FROM intervaltmp WHERE a >= '199 days 21:21:23'::interval;
count
-------
271
(1 row)
SELECT count(*) FROM intervaltmp WHERE a > '199 days 21:21:23'::interval;
count
-------
270
(1 row)
EXPLAIN (COSTS OFF)
SELECT a, a <-> '199 days 21:21:23' FROM intervaltmp ORDER BY a <-> '199 days 21:21:23' LIMIT 3;
QUERY PLAN
---------------------------------------------------------------------------
Limit
-> Index Only Scan using intervalidx on intervaltmp
Order By: (a <-> '@ 199 days 21 hours 21 mins 23 secs'::interval)
(3 rows)
SELECT a, a <-> '199 days 21:21:23' FROM intervaltmp ORDER BY a <-> '199 days 21:21:23' LIMIT 3;
a | ?column?
-------------------------------------+--------------------------------------
@ 199 days 21 hours 21 mins 23 secs | @ 0
@ 183 days 6 hours 52 mins 48 secs | @ 16 days 14 hours 28 mins 35 secs
@ 220 days 19 hours 5 mins 42 secs | @ 21 days -2 hours -15 mins -41 secs
(3 rows)
SET enable_indexonlyscan=off;
EXPLAIN (COSTS OFF)
SELECT a, a <-> '199 days 21:21:23' FROM intervaltmp ORDER BY a <-> '199 days 21:21:23' LIMIT 3;
QUERY PLAN
---------------------------------------------------------------------------
Limit
-> Index Scan using intervalidx on intervaltmp
Order By: (a <-> '@ 199 days 21 hours 21 mins 23 secs'::interval)
(3 rows)
SELECT a, a <-> '199 days 21:21:23' FROM intervaltmp ORDER BY a <-> '199 days 21:21:23' LIMIT 3;
a | ?column?
-------------------------------------+--------------------------------------
@ 199 days 21 hours 21 mins 23 secs | @ 0
@ 183 days 6 hours 52 mins 48 secs | @ 16 days 14 hours 28 mins 35 secs
@ 220 days 19 hours 5 mins 42 secs | @ 21 days -2 hours -15 mins -41 secs
(3 rows)