mirror of
https://gitee.com/he3db/he3pg.git
synced 2024-12-05 05:37:35 +08:00
67 lines
1.3 KiB
Plaintext
67 lines
1.3 KiB
Plaintext
|
-- uuid check
|
||
|
|
CREATE TABLE uuidtmp (a uuid);
|
||
|
|
\copy uuidtmp from 'data/uuid.data'
|
||
|
|
SET enable_seqscan=on;
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a < '55e65ca2-4136-4a4b-ba78-cd3fe4678203';
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
227
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a <= '55e65ca2-4136-4a4b-ba78-cd3fe4678203';
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
228
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a = '55e65ca2-4136-4a4b-ba78-cd3fe4678203';
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
1
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a >= '55e65ca2-4136-4a4b-ba78-cd3fe4678203';
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
376
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a > '55e65ca2-4136-4a4b-ba78-cd3fe4678203';
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
375
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
CREATE INDEX uuididx ON uuidtmp USING gist ( a );
|
||
|
|
SET enable_seqscan=off;
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a < '55e65ca2-4136-4a4b-ba78-cd3fe4678203'::uuid;
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
227
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a <= '55e65ca2-4136-4a4b-ba78-cd3fe4678203'::uuid;
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
228
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a = '55e65ca2-4136-4a4b-ba78-cd3fe4678203'::uuid;
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
1
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a >= '55e65ca2-4136-4a4b-ba78-cd3fe4678203'::uuid;
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
376
|
||
|
|
(1 row)
|
||
|
|
|
||
|
|
SELECT count(*) FROM uuidtmp WHERE a > '55e65ca2-4136-4a4b-ba78-cd3fe4678203'::uuid;
|
||
|
|
count
|
||
|
|
-------
|
||
|
|
375
|
||
|
|
(1 row)
|
||
|
|
|