3
-- WARNING: int4 operators never check for over/underflow!
4
-- Some of these answers are consequently numerically incorrect.
7
CREATE TABLE INT4_TBL(f1 int4);
9
INSERT INTO INT4_TBL(f1) VALUES (' 0 ');
11
INSERT INTO INT4_TBL(f1) VALUES ('123456 ');
13
INSERT INTO INT4_TBL(f1) VALUES (' -123456');
15
INSERT INTO INT4_TBL(f1) VALUES ('34.5');
17
-- largest and smallest values
18
INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
20
INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
22
-- bad input values -- should give errors
23
INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
24
INSERT INTO INT4_TBL(f1) VALUES ('asdf');
25
INSERT INTO INT4_TBL(f1) VALUES (' ');
26
INSERT INTO INT4_TBL(f1) VALUES (' asdf ');
27
INSERT INTO INT4_TBL(f1) VALUES ('- 1234');
28
INSERT INTO INT4_TBL(f1) VALUES ('123 5');
29
INSERT INTO INT4_TBL(f1) VALUES ('');
32
SELECT '' AS five, INT4_TBL.*;
34
SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0';
36
SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0';
38
SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0';
40
SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0';
42
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0';
44
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0';
46
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0';
48
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0';
50
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0';
52
SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0';
54
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0';
56
SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0';
59
SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
62
SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
64
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i;
66
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i
67
WHERE abs(f1) < 1073741824;
69
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i;
71
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i
72
WHERE abs(f1) < 1073741824;
74
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i;
76
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i
77
WHERE f1 < 2147483646;
79
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i;
81
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i
82
WHERE f1 < 2147483646;
84
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i;
86
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i
87
WHERE f1 > -2147483647;
89
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i;
91
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i
92
WHERE f1 > -2147483647;
94
SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i;
96
SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i;
99
-- more complex expressions
102
-- variations on unary minus parsing
107
SELECT 2- -1 AS three;
109
SELECT 2 - -2 AS four;
111
SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true;
113
SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true;
115
SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true;
117
SELECT int4 '1000' < int4 '999' AS false;
119
SELECT 4! AS twenty_four;
123
SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
125
SELECT 2 + 2 / 2 AS three;
127
SELECT (2 + 2) / 2 AS two;