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|
-- timestamp check
CREATE TABLE timestamptmp (a timestamp);
\copy timestamptmp from 'data/timestamp.data'
SET enable_seqscan=on;
SELECT count(*) FROM timestamptmp WHERE a < '2004-10-26 08:55:08';
count
-------
278
(1 row)
SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08';
count
-------
279
(1 row)
SELECT count(*) FROM timestamptmp WHERE a = '2004-10-26 08:55:08';
count
-------
1
(1 row)
SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08';
count
-------
290
(1 row)
SELECT count(*) FROM timestamptmp WHERE a > '2004-10-26 08:55:08';
count
-------
289
(1 row)
CREATE INDEX timestampidx ON timestamptmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM timestamptmp WHERE a < '2004-10-26 08:55:08'::timestamp;
count
-------
278
(1 row)
SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08'::timestamp;
count
-------
279
(1 row)
SELECT count(*) FROM timestamptmp WHERE a = '2004-10-26 08:55:08'::timestamp;
count
-------
1
(1 row)
SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08'::timestamp;
count
-------
290
(1 row)
SELECT count(*) FROM timestamptmp WHERE a > '2004-10-26 08:55:08'::timestamp;
count
-------
289
(1 row)
|
