-- -- INET -- -- prepare the table... DROP TABLE INET_TBL; CREATE TABLE INET_TBL (c cidr, i inet); INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.226/24'); INSERT INTO INET_TBL (c, i) VALUES ('192.168.1.0/24', '192.168.1.226'); INSERT INTO INET_TBL (c, i) VALUES ('10', '10.1.2.3/8'); INSERT INTO INET_TBL (c, i) VALUES ('10.0.0.0', '10.1.2.3/8'); INSERT INTO INET_TBL (c, i) VALUES ('10.1.2.3', '10.1.2.3/32'); INSERT INTO INET_TBL (c, i) VALUES ('10.1.2', '10.1.2.3/24'); INSERT INTO INET_TBL (c, i) VALUES ('10.1', '10.1.2.3/16'); INSERT INTO INET_TBL (c, i) VALUES ('10', '10.1.2.3/8'); INSERT INTO INET_TBL (c, i) VALUES ('10', '11.1.2.3/8'); INSERT INTO INET_TBL (c, i) VALUES ('10', '9.1.2.3/8'); -- check that CIDR rejects invalid input: INSERT INTO INET_TBL (c, i) VALUES ('192.168.1.2/24', '192.168.1.226'); SELECT '' AS ten, c AS cidr, i AS inet FROM INET_TBL; -- now test some support functions SELECT '' AS ten, i AS inet, host(i), text(i) FROM INET_TBL; SELECT '' AS ten, c AS cidr, broadcast(c), i AS inet, broadcast(i) FROM INET_TBL; SELECT '' AS ten, c AS cidr, network(c) AS "network(cidr)", i AS inet, network(i) AS "network(inet)" FROM INET_TBL; SELECT '' AS ten, c AS cidr, masklen(c) AS "masklen(cidr)", i AS inet, masklen(i) AS "masklen(inet)" FROM INET_TBL; SELECT '' AS four, c AS cidr, masklen(c) AS "masklen(cidr)", i AS inet, masklen(i) AS "masklen(inet)" FROM INET_TBL WHERE masklen(c) <= 8; SELECT '' AS six, c AS cidr, i AS inet FROM INET_TBL WHERE c = i; SELECT '' AS ten, i, c, i < c AS lt, i <= c AS le, i = c AS eq, i >= c AS ge, i > c AS gt, i <> c AS ne, i << c AS sb, i <<= c AS sbe, i >> c AS sup, i >>= c AS spe FROM INET_TBL;