-- -- OID -- CREATE TABLE OID_TBL(f1 oid); INSERT INTO OID_TBL(f1) VALUES ('1234'); INSERT INTO OID_TBL(f1) VALUES ('1235'); INSERT INTO OID_TBL(f1) VALUES ('987'); INSERT INTO OID_TBL(f1) VALUES ('-1040'); INSERT INTO OID_TBL(f1) VALUES ('99999999'); INSERT INTO OID_TBL(f1) VALUES ('5 '); INSERT INTO OID_TBL(f1) VALUES (' 10 '); -- leading/trailing hard tab is also allowed INSERT INTO OID_TBL(f1) VALUES (' 15 '); -- bad inputs INSERT INTO OID_TBL(f1) VALUES (''); ERROR: invalid input syntax for type oid: "" INSERT INTO OID_TBL(f1) VALUES (' '); ERROR: invalid input syntax for type oid: " " INSERT INTO OID_TBL(f1) VALUES ('asdfasd'); ERROR: invalid input syntax for type oid: "asdfasd" INSERT INTO OID_TBL(f1) VALUES ('99asdfasd'); ERROR: invalid input syntax for type oid: "99asdfasd" INSERT INTO OID_TBL(f1) VALUES ('5 d'); ERROR: invalid input syntax for type oid: "5 d" INSERT INTO OID_TBL(f1) VALUES (' 5d'); ERROR: invalid input syntax for type oid: " 5d" INSERT INTO OID_TBL(f1) VALUES ('5 5'); ERROR: invalid input syntax for type oid: "5 5" INSERT INTO OID_TBL(f1) VALUES (' - 500'); ERROR: invalid input syntax for type oid: " - 500" INSERT INTO OID_TBL(f1) VALUES ('32958209582039852935'); ERROR: value "32958209582039852935" is out of range for type oid INSERT INTO OID_TBL(f1) VALUES ('-23582358720398502385'); ERROR: value "-23582358720398502385" is out of range for type oid SELECT '' AS six, * FROM OID_TBL; six | f1 -----+------------ | 1234 | 1235 | 987 | 4294966256 | 99999999 | 5 | 10 | 15 (8 rows) SELECT '' AS one, o.* FROM OID_TBL o WHERE o.f1 = 1234; one | f1 -----+------ | 1234 (1 row) SELECT '' AS five, o.* FROM OID_TBL o WHERE o.f1 <> '1234'; five | f1 ------+------------ | 1235 | 987 | 4294966256 | 99999999 | 5 | 10 | 15 (7 rows) SELECT '' AS three, o.* FROM OID_TBL o WHERE o.f1 <= '1234'; three | f1 -------+------ | 1234 | 987 | 5 | 10 | 15 (5 rows) SELECT '' AS two, o.* FROM OID_TBL o WHERE o.f1 < '1234'; two | f1 -----+----- | 987 | 5 | 10 | 15 (4 rows) SELECT '' AS four, o.* FROM OID_TBL o WHERE o.f1 >= '1234'; four | f1 ------+------------ | 1234 | 1235 | 4294966256 | 99999999 (4 rows) SELECT '' AS three, o.* FROM OID_TBL o WHERE o.f1 > '1234'; three | f1 -------+------------ | 1235 | 4294966256 | 99999999 (3 rows) DROP TABLE OID_TBL;