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: pg_atoi: error in "34.5": can't parse ".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 warnings
16 INSERT INTO INT2_TBL(f1) VALUES ('100000');
17 ERROR: pg_atoi: error reading "100000": Range Error
18 INSERT INTO INT2_TBL(f1) VALUES ('asdf');
19 ERROR: pg_atoi: error in "asdf": can't parse "asdf"
20 SELECT '' AS five, INT2_TBL.*;
30 SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
39 SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
48 SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
54 SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
60 SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
67 SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
74 SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
82 SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
90 SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
97 SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
104 SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
112 SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
121 SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
128 SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
136 SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
138 ------+--------+-------
146 SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
148 ------+--------+--------
156 SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
158 ------+--------+--------
166 SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
168 ------+--------+--------
176 SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
178 ------+--------+-------
186 SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
188 ------+--------+--------
196 SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
198 ------+--------+--------
206 SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
208 ------+--------+--------