contrib/btree_gist/sql/timestamp.sql


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

-- 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';

SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08';

SELECT count(*) FROM timestamptmp WHERE a  = '2004-10-26 08:55:08';

SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08';

SELECT count(*) FROM timestamptmp WHERE a >  '2004-10-26 08:55:08';

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;

SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08'::timestamp;

SELECT count(*) FROM timestamptmp WHERE a  = '2004-10-26 08:55:08'::timestamp;

SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08'::timestamp;

SELECT count(*) FROM timestamptmp WHERE a >  '2004-10-26 08:55:08'::timestamp;