-- -- INT2 -- NOTE: int2 operators never check for over/underflow! -- Some of these answers are consequently numerically incorrect. -- CREATE TABLE INT2_TBL(f1 int2); INSERT INTO INT2_TBL(f1) VALUES ('0'); INSERT INTO INT2_TBL(f1) VALUES ('1234'); INSERT INTO INT2_TBL(f1) VALUES ('-1234'); INSERT INTO INT2_TBL(f1) VALUES ('34.5'); -- largest and smallest values INSERT INTO INT2_TBL(f1) VALUES ('32767'); INSERT INTO INT2_TBL(f1) VALUES ('-32767'); -- bad input values -- should give warnings INSERT INTO INT2_TBL(f1) VALUES ('100000'); INSERT INTO INT2_TBL(f1) VALUES ('asdf'); SELECT '' AS five, INT2_TBL.*; SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0'; SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0'; SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int2 '0'; SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int4 '0'; SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int2 '0'; SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int4 '0'; SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0'; SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0'; SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int2 '0'; SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int4 '0'; SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0'; SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0'; -- positive odds SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1'; -- any evens SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0'; SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i; SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;