3
-- NOTE: int2 operators never check for over/underflow!
4
-- Some of these answers are consequently numerically incorrect.
6
CREATE TABLE INT2_TBL(f1 int2);
7
INSERT INTO INT2_TBL(f1) VALUES ('0 ');
8
INSERT INTO INT2_TBL(f1) VALUES (' 1234 ');
9
INSERT INTO INT2_TBL(f1) VALUES (' -1234');
10
INSERT INTO INT2_TBL(f1) VALUES ('34.5');
11
ERROR: invalid input syntax for integer: "34.5"
12
-- largest and smallest values
13
INSERT INTO INT2_TBL(f1) VALUES ('32767');
14
INSERT INTO INT2_TBL(f1) VALUES ('-32767');
15
-- bad input values -- should give errors
16
INSERT INTO INT2_TBL(f1) VALUES ('100000');
17
ERROR: value "100000" is out of range for type smallint
18
INSERT INTO INT2_TBL(f1) VALUES ('asdf');
19
ERROR: invalid input syntax for integer: "asdf"
20
INSERT INTO INT2_TBL(f1) VALUES (' ');
21
ERROR: invalid input syntax for integer: " "
22
INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
23
ERROR: invalid input syntax for integer: "- 1234"
24
INSERT INTO INT2_TBL(f1) VALUES ('4 444');
25
ERROR: invalid input syntax for integer: "4 444"
26
INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
27
ERROR: invalid input syntax for integer: "123 dt"
28
INSERT INTO INT2_TBL(f1) VALUES ('');
29
ERROR: invalid input syntax for integer: ""
30
SELECT '' AS five, INT2_TBL.*;
40
SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
49
SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
58
SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
64
SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
70
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
77
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
84
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
92
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
100
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
107
SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
114
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
122
SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
131
SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
138
SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
146
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
147
ERROR: smallint out of range
148
SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
149
WHERE abs(f1) < 16384;
151
------+-------+-------
157
SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
159
------+--------+--------
167
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
168
ERROR: smallint out of range
169
SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
172
------+--------+--------
179
SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
181
------+--------+--------
189
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
190
ERROR: smallint out of range
191
SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
194
------+-------+-------
201
SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
203
------+--------+--------
211
SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
213
------+--------+--------
221
SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
223
------+--------+--------