mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-27 08:39:28 +08:00
33 lines
964 B
SQL
33 lines
964 B
SQL
-- 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;
|
|
|