92 lines
1.9 KiB
Plaintext
92 lines
1.9 KiB
Plaintext
-- int8 check
|
|
CREATE TABLE int8tmp (a int8);
|
|
\copy int8tmp from 'data/int8.data'
|
|
SET enable_seqscan=on;
|
|
SELECT count(*) FROM int8tmp WHERE a < 464571291354841;
|
|
count
|
|
-------
|
|
276
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a <= 464571291354841;
|
|
count
|
|
-------
|
|
277
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a = 464571291354841;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a >= 464571291354841;
|
|
count
|
|
-------
|
|
271
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a > 464571291354841;
|
|
count
|
|
-------
|
|
270
|
|
(1 row)
|
|
|
|
SELECT a, a <-> '464571291354841' FROM int8tmp ORDER BY a <-> '464571291354841' LIMIT 3;
|
|
a | ?column?
|
|
-----------------+----------------
|
|
464571291354841 | 0
|
|
457257666629329 | 7313624725512
|
|
478227196042750 | 13655904687909
|
|
(3 rows)
|
|
|
|
CREATE INDEX int8idx ON int8tmp USING gist ( a );
|
|
SET enable_seqscan=off;
|
|
SELECT count(*) FROM int8tmp WHERE a < 464571291354841::int8;
|
|
count
|
|
-------
|
|
276
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a <= 464571291354841::int8;
|
|
count
|
|
-------
|
|
277
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a = 464571291354841::int8;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a >= 464571291354841::int8;
|
|
count
|
|
-------
|
|
271
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM int8tmp WHERE a > 464571291354841::int8;
|
|
count
|
|
-------
|
|
270
|
|
(1 row)
|
|
|
|
EXPLAIN (COSTS OFF)
|
|
SELECT a, a <-> '464571291354841' FROM int8tmp ORDER BY a <-> '464571291354841' LIMIT 3;
|
|
QUERY PLAN
|
|
-----------------------------------------------------
|
|
Limit
|
|
-> Index Only Scan using int8idx on int8tmp
|
|
Order By: (a <-> '464571291354841'::bigint)
|
|
(3 rows)
|
|
|
|
SELECT a, a <-> '464571291354841' FROM int8tmp ORDER BY a <-> '464571291354841' LIMIT 3;
|
|
a | ?column?
|
|
-----------------+----------------
|
|
464571291354841 | 0
|
|
457257666629329 | 7313624725512
|
|
478227196042750 | 13655904687909
|
|
(3 rows)
|
|
|