mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-27 08:39:28 +08:00
ef770cbb69
- Fix wrong index results on text, char, varchar for multibyte strings - Fix some SIGFPE signals - Add support for infinite timestamps - Because of locale settings, btree_gist can not be a prefix index anymore (for text). Each node holds now just the lower and upper boundary.
67 lines
1.2 KiB
Plaintext
67 lines
1.2 KiB
Plaintext
-- 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)
|
|
|