1997-04-05 13:26:55 +02:00
|
|
|
--
|
2000-01-04 17:21:02 +01:00
|
|
|
-- INT4
|
1997-04-05 13:26:55 +02:00
|
|
|
-- WARNING: int4 operators never check for over/underflow!
|
|
|
|
-- Some of these answers are consequently numerically incorrect.
|
|
|
|
--
|
|
|
|
|
|
|
|
CREATE TABLE INT4_TBL(f1 int4);
|
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
INSERT INTO INT4_TBL(f1) VALUES (' 0 ');
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('123456 ');
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
INSERT INTO INT4_TBL(f1) VALUES (' -123456');
|
1997-04-05 13:26:55 +02:00
|
|
|
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('34.5');
|
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
-- largest and smallest values
|
1997-04-05 13:26:55 +02:00
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
|
|
|
|
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
|
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
-- bad input values -- should give errors
|
1997-04-05 13:26:55 +02:00
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('asdf');
|
2004-03-11 03:11:14 +01:00
|
|
|
INSERT INTO INT4_TBL(f1) VALUES (' ');
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES (' asdf ');
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('- 1234');
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('123 5');
|
|
|
|
INSERT INTO INT4_TBL(f1) VALUES ('');
|
1997-04-05 13:26:55 +02:00
|
|
|
|
|
|
|
|
2005-04-07 03:51:41 +02:00
|
|
|
SELECT '' AS five, * FROM INT4_TBL;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
-- positive odds
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-03-11 03:11:14 +01:00
|
|
|
-- any evens
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-10-04 16:42:48 +02:00
|
|
|
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i
|
|
|
|
WHERE abs(f1) < 1073741824;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-10-04 16:42:48 +02:00
|
|
|
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i
|
|
|
|
WHERE abs(f1) < 1073741824;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-10-04 16:42:48 +02:00
|
|
|
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i
|
|
|
|
WHERE f1 < 2147483646;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-10-04 16:42:48 +02:00
|
|
|
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i
|
|
|
|
WHERE f1 < 2147483646;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-10-04 16:42:48 +02:00
|
|
|
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i
|
|
|
|
WHERE f1 > -2147483647;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2004-10-04 16:42:48 +02:00
|
|
|
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i
|
|
|
|
WHERE f1 > -2147483647;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
|
|
|
--
|
|
|
|
-- more complex expressions
|
|
|
|
--
|
1997-09-13 05:16:53 +02:00
|
|
|
|
|
|
|
-- variations on unary minus parsing
|
|
|
|
SELECT -2+3 AS one;
|
|
|
|
|
|
|
|
SELECT 4-2 AS two;
|
|
|
|
|
|
|
|
SELECT 2- -1 AS three;
|
|
|
|
|
|
|
|
SELECT 2 - -2 AS four;
|
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
2000-01-04 17:21:02 +01:00
|
|
|
SELECT int4 '1000' < int4 '999' AS false;
|
1997-04-05 13:26:55 +02:00
|
|
|
|
|
|
|
SELECT 4! AS twenty_four;
|
|
|
|
|
|
|
|
SELECT !!3 AS six;
|
|
|
|
|
|
|
|
SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
|
|
|
|
|
|
|
|
SELECT 2 + 2 / 2 AS three;
|
|
|
|
|
|
|
|
SELECT (2 + 2) / 2 AS two;
|