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---- INET---- prepare the table...DROP TABLE INET_TBL;ERROR: table "inet_tbl" does not existCREATE 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 ('192.168.1', '192.168.1.0/24');INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.0/25');INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.255/24');INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.255/25');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');INSERT INTO INET_TBL (c, i) VALUES ('10:23::f1', '10:23::f1/64');INSERT INTO INET_TBL (c, i) VALUES ('10:23::8000/113', '10:23::ffff');INSERT INTO INET_TBL (c, i) VALUES ('::ffff:1.2.3.4', '::4.3.2.1/24');-- check that CIDR rejects invalid input:INSERT INTO INET_TBL (c, i) VALUES ('192.168.1.2/24', '192.168.1.226');ERROR: invalid cidr value: "192.168.1.2/24"DETAIL: Value has bits set to right of mask.INSERT INTO INET_TBL (c, i) VALUES ('1234::1234::1234', '::1.2.3.4');ERROR: invalid input syntax for type cidr: "1234::1234::1234"-- check that CIDR rejects invalid input when converting from text:INSERT INTO INET_TBL (c, i) VALUES (cidr('192.168.1.2/24'), '192.168.1.226');ERROR: invalid cidr value: "192.168.1.2/24"DETAIL: Value has bits set to right of mask.INSERT INTO INET_TBL (c, i) VALUES (cidr('ffff:ffff:ffff:ffff::/24'), '::192.168.1.226');ERROR: invalid cidr value: "ffff:ffff:ffff:ffff::/24"DETAIL: Value has bits set to right of mask.SELECT '' AS ten, c AS cidr, i AS inet FROM INET_TBL; ten | cidr | inet -----+--------------------+------------------ | 192.168.1.0/24 | 192.168.1.226/24 | 192.168.1.0/24 | 192.168.1.226 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/25 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/25 | 10.0.0.0/8 | 10.1.2.3/8 | 10.0.0.0/32 | 10.1.2.3/8 | 10.1.2.3/32 | 10.1.2.3 | 10.1.2.0/24 | 10.1.2.3/24 | 10.1.0.0/16 | 10.1.2.3/16 | 10.0.0.0/8 | 10.1.2.3/8 | 10.0.0.0/8 | 11.1.2.3/8 | 10.0.0.0/8 | 9.1.2.3/8 | 10:23::f1/128 | 10:23::f1/64 | 10:23::8000/113 | 10:23::ffff | ::ffff:1.2.3.4/128 | ::4.3.2.1/24(17 rows)-- now test some support functionsSELECT '' AS ten, i AS inet, host(i), text(i), family(i) FROM INET_TBL; ten | inet | host | text | family -----+------------------+---------------+------------------+-------- | 192.168.1.226/24 | 192.168.1.226 | 192.168.1.226/24 | 4 | 192.168.1.226 | 192.168.1.226 | 192.168.1.226/32 | 4 | 192.168.1.0/24 | 192.168.1.0 | 192.168.1.0/24 | 4 | 192.168.1.0/25 | 192.168.1.0 | 192.168.1.0/25 | 4 | 192.168.1.255/24 | 192.168.1.255 | 192.168.1.255/24 | 4 | 192.168.1.255/25 | 192.168.1.255 | 192.168.1.255/25 | 4 | 10.1.2.3/8 | 10.1.2.3 | 10.1.2.3/8 | 4 | 10.1.2.3/8 | 10.1.2.3 | 10.1.2.3/8 | 4 | 10.1.2.3 | 10.1.2.3 | 10.1.2.3/32 | 4 | 10.1.2.3/24 | 10.1.2.3 | 10.1.2.3/24 | 4 | 10.1.2.3/16 | 10.1.2.3 | 10.1.2.3/16 | 4 | 10.1.2.3/8 | 10.1.2.3 | 10.1.2.3/8 | 4 | 11.1.2.3/8 | 11.1.2.3 | 11.1.2.3/8 | 4 | 9.1.2.3/8 | 9.1.2.3 | 9.1.2.3/8 | 4 | 10:23::f1/64 | 10:23::f1 | 10:23::f1/64 | 6 | 10:23::ffff | 10:23::ffff | 10:23::ffff/128 | 6 | ::4.3.2.1/24 | ::4.3.2.1 | ::4.3.2.1/24 | 6(17 rows)SELECT '' AS ten, c AS cidr, broadcast(c), i AS inet, broadcast(i) FROM INET_TBL; ten | cidr | broadcast | inet | broadcast -----+--------------------+------------------+------------------+--------------------------------------- | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.226/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.226 | 192.168.1.226 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/25 | 192.168.1.127/25 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.255/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.255/25 | 192.168.1.255/25 | 10.0.0.0/8 | 10.255.255.255/8 | 10.1.2.3/8 | 10.255.255.255/8 | 10.0.0.0/32 | 10.0.0.0 | 10.1.2.3/8 | 10.255.255.255/8 | 10.1.2.3/32 | 10.1.2.3 | 10.1.2.3 | 10.1.2.3 | 10.1.2.0/24 | 10.1.2.255/24 | 10.1.2.3/24 | 10.1.2.255/24 | 10.1.0.0/16 | 10.1.255.255/16 | 10.1.2.3/16 | 10.1.255.255/16 | 10.0.0.0/8 | 10.255.255.255/8 | 10.1.2.3/8 | 10.255.255.255/8 | 10.0.0.0/8 | 10.255.255.255/8 | 11.1.2.3/8 | 11.255.255.255/8 | 10.0.0.0/8 | 10.255.255.255/8 | 9.1.2.3/8 | 9.255.255.255/8 | 10:23::f1/128 | 10:23::f1 | 10:23::f1/64 | 10:23::ffff:ffff:ffff:ffff/64 | 10:23::8000/113 | 10:23::ffff/113 | 10:23::ffff | 10:23::ffff | ::ffff:1.2.3.4/128 | ::ffff:1.2.3.4 | ::4.3.2.1/24 | 0:ff:ffff:ffff:ffff:ffff:ffff:ffff/24(17 rows)SELECT '' AS ten, c AS cidr, network(c) AS "network(cidr)", i AS inet, network(i) AS "network(inet)" FROM INET_TBL; ten | cidr | network(cidr) | inet | network(inet) -----+--------------------+--------------------+------------------+------------------ | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.226/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.226 | 192.168.1.226/32 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/25 | 192.168.1.0/25 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.255/25 | 192.168.1.128/25 | 10.0.0.0/8 | 10.0.0.0/8 | 10.1.2.3/8 | 10.0.0.0/8 | 10.0.0.0/32 | 10.0.0.0/32 | 10.1.2.3/8 | 10.0.0.0/8 | 10.1.2.3/32 | 10.1.2.3/32 | 10.1.2.3 | 10.1.2.3/32 | 10.1.2.0/24 | 10.1.2.0/24 | 10.1.2.3/24 | 10.1.2.0/24 | 10.1.0.0/16 | 10.1.0.0/16 | 10.1.2.3/16 | 10.1.0.0/16 | 10.0.0.0/8 | 10.0.0.0/8 | 10.1.2.3/8 | 10.0.0.0/8 | 10.0.0.0/8 | 10.0.0.0/8 | 11.1.2.3/8 | 11.0.0.0/8 | 10.0.0.0/8 | 10.0.0.0/8 | 9.1.2.3/8 | 9.0.0.0/8 | 10:23::f1/128 | 10:23::f1/128 | 10:23::f1/64 | 10:23::/64 | 10:23::8000/113 | 10:23::8000/113 | 10:23::ffff | 10:23::ffff/128 | ::ffff:1.2.3.4/128 | ::ffff:1.2.3.4/128 | ::4.3.2.1/24 | ::/24(17 rows)SELECT '' AS ten, c AS cidr, masklen(c) AS "masklen(cidr)", i AS inet, masklen(i) AS "masklen(inet)" FROM INET_TBL; ten | cidr | masklen(cidr) | inet | masklen(inet) -----+--------------------+---------------+------------------+--------------- | 192.168.1.0/24 | 24 | 192.168.1.226/24 | 24 | 192.168.1.0/24 | 24 | 192.168.1.226 | 32 | 192.168.1.0/24 | 24 | 192.168.1.0/24 | 24 | 192.168.1.0/24 | 24 | 192.168.1.0/25 | 25 | 192.168.1.0/24 | 24 | 192.168.1.255/24 | 24 | 192.168.1.0/24 | 24 | 192.168.1.255/25 | 25 | 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8 | 10.0.0.0/32 | 32 | 10.1.2.3/8 | 8 | 10.1.2.3/32 | 32 | 10.1.2.3 | 32 | 10.1.2.0/24 | 24 | 10.1.2.3/24 | 24 | 10.1.0.0/16 | 16 | 10.1.2.3/16 | 16 | 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8 | 10.0.0.0/8 | 8 | 11.1.2.3/8 | 8 | 10.0.0.0/8 | 8 | 9.1.2.3/8 | 8 | 10:23::f1/128 | 128 | 10:23::f1/64 | 64 | 10:23::8000/113 | 113 | 10:23::ffff | 128 | ::ffff:1.2.3.4/128 | 128 | ::4.3.2.1/24 | 24(17 rows)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; four | cidr | masklen(cidr) | inet | masklen(inet) ------+------------+---------------+------------+--------------- | 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8 | 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8 | 10.0.0.0/8 | 8 | 11.1.2.3/8 | 8 | 10.0.0.0/8 | 8 | 9.1.2.3/8 | 8(4 rows)SELECT '' AS six, c AS cidr, i AS inet FROM INET_TBL WHERE c = i; six | cidr | inet -----+----------------+---------------- | 192.168.1.0/24 | 192.168.1.0/24 | 10.1.2.3/32 | 10.1.2.3(2 rows)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; ten | i | c | lt | le | eq | ge | gt | ne | sb | sbe | sup | spe -----+------------------+--------------------+----+----+----+----+----+----+----+-----+-----+----- | 192.168.1.226/24 | 192.168.1.0/24 | f | f | f | t | t | t | f | t | f | t | 192.168.1.226 | 192.168.1.0/24 | f | f | f | t | t | t | t | t | f | f | 192.168.1.0/24 | 192.168.1.0/24 | f | t | t | t | f | f | f | t | f | t | 192.168.1.0/25 | 192.168.1.0/24 | f | f | f | t | t | t | t | t | f | f | 192.168.1.255/24 | 192.168.1.0/24 | f | f | f | t | t | t | f | t | f | t | 192.168.1.255/25 | 192.168.1.0/24 | f | f | f | t | t | t | t | t | f | f | 10.1.2.3/8 | 10.0.0.0/8 | f | f | f | t | t | t | f | t | f | t | 10.1.2.3/8 | 10.0.0.0/32 | t | t | f | f | f | t | f | f | t | t | 10.1.2.3 | 10.1.2.3/32 | f | t | t | t | f | f | f | t | f | t | 10.1.2.3/24 | 10.1.2.0/24 | f | f | f | t | t | t | f | t | f | t | 10.1.2.3/16 | 10.1.0.0/16 | f | f | f | t | t | t | f | t | f | t | 10.1.2.3/8 | 10.0.0.0/8 | f | f | f | t | t | t | f | t | f | t | 11.1.2.3/8 | 10.0.0.0/8 | f | f | f | t | t | t | f | f | f | f | 9.1.2.3/8 | 10.0.0.0/8 | t | t | f | f | f | t | f | f | f | f | 10:23::f1/64 | 10:23::f1/128 | t | t | f | f | f | t | f | f | t | t | 10:23::ffff | 10:23::8000/113 | f | f | f | t | t | t | t | t | f | f | ::4.3.2.1/24 | ::ffff:1.2.3.4/128 | t | t | f | f | f | t | f | f | t | t(17 rows)-- check the conversion to/from text and set_netmaskSELECT '' AS ten, set_masklen(inet(text(i)), 24) FROM INET_TBL; ten | set_masklen -----+------------------ | 192.168.1.226/24 | 192.168.1.226/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.255/24 | 10.1.2.3/24 | 10.1.2.3/24 | 10.1.2.3/24 | 10.1.2.3/24 | 10.1.2.3/24 | 10.1.2.3/24 | 11.1.2.3/24 | 9.1.2.3/24 | 10:23::f1/24 | 10:23::ffff/24 | ::4.3.2.1/24(17 rows)-- check that index works correctlyCREATE INDEX inet_idx1 ON inet_tbl(i);SET enable_seqscan TO off;SELECT * FROM inet_tbl WHERE i<<'192.168.1.0/24'::cidr; c | i ----------------+------------------ 192.168.1.0/24 | 192.168.1.0/25 192.168.1.0/24 | 192.168.1.255/25 192.168.1.0/24 | 192.168.1.226(3 rows)SELECT * FROM inet_tbl WHERE i<<='192.168.1.0/24'::cidr; c | i ----------------+------------------ 192.168.1.0/24 | 192.168.1.0/24 192.168.1.0/24 | 192.168.1.226/24 192.168.1.0/24 | 192.168.1.255/24 192.168.1.0/24 | 192.168.1.0/25 192.168.1.0/24 | 192.168.1.255/25 192.168.1.0/24 | 192.168.1.226(6 rows)SET enable_seqscan TO on;DROP INDEX inet_idx1;⌨️ 快捷键说明
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