| -- |
| -- INT4 |
| -- WARNING: int4 operators never check for over/underflow! |
| -- Some of these answers are consequently numerically incorrect. |
| -- |
| |
| CREATE TABLE INT4_TBL(f1 int4); |
| |
| INSERT INTO INT4_TBL(f1) VALUES (' 0 '); |
| |
| INSERT INTO INT4_TBL(f1) VALUES ('123456 '); |
| |
| INSERT INTO INT4_TBL(f1) VALUES (' -123456'); |
| |
| INSERT INTO INT4_TBL(f1) VALUES ('34.5'); |
| |
| -- largest and smallest values |
| INSERT INTO INT4_TBL(f1) VALUES ('2147483647'); |
| |
| INSERT INTO INT4_TBL(f1) VALUES ('-2147483647'); |
| |
| -- bad input values -- should give errors |
| INSERT INTO INT4_TBL(f1) VALUES ('1000000000000'); |
| INSERT INTO INT4_TBL(f1) VALUES ('asdf'); |
| 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 (''); |
| |
| |
| SELECT '' AS five, * FROM INT4_TBL order by f1; |
| |
| SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0' order by f1; |
| |
| SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0' order by f1; |
| |
| SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0' order by f1; |
| |
| SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0' order by f1; |
| |
| SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0' order by f1; |
| |
| SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0' order by f1; |
| |
| SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0' order by f1; |
| |
| SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0' order by f1; |
| |
| SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0' order by f1; |
| |
| SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0' order by f1; |
| |
| SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0' order by f1; |
| |
| SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0' order by f1; |
| |
| -- positive odds |
| SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1' order by f1; |
| |
| -- any evens |
| SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0' order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i |
| WHERE abs(f1) < 1073741824 order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i |
| WHERE abs(f1) < 1073741824 order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i |
| WHERE f1 < 2147483646 order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i |
| WHERE f1 < 2147483646 order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i |
| WHERE f1 > -2147483647 order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i |
| WHERE f1 > -2147483647 order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i order by f1; |
| |
| SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i order by f1; |
| |
| -- |
| -- more complex expressions |
| -- |
| |
| -- 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; |
| |
| SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true; |
| |
| SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true; |
| |
| SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true; |
| |
| SELECT int4 '1000' < int4 '999' AS false; |
| |
| 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; |