456 lines
20 KiB
Plaintext
456 lines
20 KiB
Plaintext
--
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-- INET
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--
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-- prepare the table...
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DROP TABLE INET_TBL;
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ERROR: table "inet_tbl" does not exist
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CREATE TABLE INET_TBL (c cidr, i inet);
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.226/24');
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1.0/26', '192.168.1.226');
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.0/24');
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.0/25');
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.255/24');
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1', '192.168.1.255/25');
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INSERT INTO INET_TBL (c, i) VALUES ('10', '10.1.2.3/8');
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INSERT INTO INET_TBL (c, i) VALUES ('10.0.0.0', '10.1.2.3/8');
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INSERT INTO INET_TBL (c, i) VALUES ('10.1.2.3', '10.1.2.3/32');
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INSERT INTO INET_TBL (c, i) VALUES ('10.1.2', '10.1.2.3/24');
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INSERT INTO INET_TBL (c, i) VALUES ('10.1', '10.1.2.3/16');
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INSERT INTO INET_TBL (c, i) VALUES ('10', '10.1.2.3/8');
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INSERT INTO INET_TBL (c, i) VALUES ('10', '11.1.2.3/8');
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INSERT INTO INET_TBL (c, i) VALUES ('10', '9.1.2.3/8');
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INSERT INTO INET_TBL (c, i) VALUES ('10:23::f1', '10:23::f1/64');
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INSERT INTO INET_TBL (c, i) VALUES ('10:23::8000/113', '10:23::ffff');
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INSERT INTO INET_TBL (c, i) VALUES ('::ffff:1.2.3.4', '::4.3.2.1/24');
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-- check that CIDR rejects invalid input:
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INSERT INTO INET_TBL (c, i) VALUES ('192.168.1.2/30', '192.168.1.226');
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ERROR: invalid cidr value: "192.168.1.2/30"
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LINE 1: INSERT INTO INET_TBL (c, i) VALUES ('192.168.1.2/30', '192.1...
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^
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DETAIL: Value has bits set to right of mask.
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INSERT INTO INET_TBL (c, i) VALUES ('1234::1234::1234', '::1.2.3.4');
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ERROR: invalid input syntax for type cidr: "1234::1234::1234"
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LINE 1: INSERT INTO INET_TBL (c, i) VALUES ('1234::1234::1234', '::1...
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^
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-- check that CIDR rejects invalid input when converting from text:
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INSERT INTO INET_TBL (c, i) VALUES (cidr('192.168.1.2/30'), '192.168.1.226');
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ERROR: invalid cidr value: "192.168.1.2/30"
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LINE 1: INSERT INTO INET_TBL (c, i) VALUES (cidr('192.168.1.2/30'), ...
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^
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DETAIL: Value has bits set to right of mask.
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INSERT INTO INET_TBL (c, i) VALUES (cidr('ffff:ffff:ffff:ffff::/24'), '::192.168.1.226');
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ERROR: invalid cidr value: "ffff:ffff:ffff:ffff::/24"
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LINE 1: INSERT INTO INET_TBL (c, i) VALUES (cidr('ffff:ffff:ffff:fff...
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^
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DETAIL: Value has bits set to right of mask.
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SELECT '' AS ten, c AS cidr, i AS inet FROM INET_TBL;
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ten | cidr | inet
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-----+--------------------+------------------
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| 192.168.1.0/24 | 192.168.1.226/24
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| 192.168.1.0/26 | 192.168.1.226
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| 192.168.1.0/24 | 192.168.1.0/24
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| 192.168.1.0/24 | 192.168.1.0/25
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| 192.168.1.0/24 | 192.168.1.255/24
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| 192.168.1.0/24 | 192.168.1.255/25
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| 10.0.0.0/8 | 10.1.2.3/8
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| 10.0.0.0/32 | 10.1.2.3/8
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| 10.1.2.3/32 | 10.1.2.3
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| 10.1.2.0/24 | 10.1.2.3/24
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| 10.1.0.0/16 | 10.1.2.3/16
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| 10.0.0.0/8 | 10.1.2.3/8
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| 10.0.0.0/8 | 11.1.2.3/8
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| 10.0.0.0/8 | 9.1.2.3/8
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| 10:23::f1/128 | 10:23::f1/64
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| 10:23::8000/113 | 10:23::ffff
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| ::ffff:1.2.3.4/128 | ::4.3.2.1/24
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(17 rows)
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-- now test some support functions
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SELECT '' AS ten, i AS inet, host(i), text(i), family(i) FROM INET_TBL;
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ten | inet | host | text | family
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-----+------------------+---------------+------------------+--------
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| 192.168.1.226/24 | 192.168.1.226 | 192.168.1.226/24 | 4
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| 192.168.1.226 | 192.168.1.226 | 192.168.1.226/32 | 4
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| 192.168.1.0/24 | 192.168.1.0 | 192.168.1.0/24 | 4
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| 192.168.1.0/25 | 192.168.1.0 | 192.168.1.0/25 | 4
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| 192.168.1.255/24 | 192.168.1.255 | 192.168.1.255/24 | 4
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| 192.168.1.255/25 | 192.168.1.255 | 192.168.1.255/25 | 4
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| 10.1.2.3/8 | 10.1.2.3 | 10.1.2.3/8 | 4
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| 10.1.2.3/8 | 10.1.2.3 | 10.1.2.3/8 | 4
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| 10.1.2.3 | 10.1.2.3 | 10.1.2.3/32 | 4
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| 10.1.2.3/24 | 10.1.2.3 | 10.1.2.3/24 | 4
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| 10.1.2.3/16 | 10.1.2.3 | 10.1.2.3/16 | 4
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| 10.1.2.3/8 | 10.1.2.3 | 10.1.2.3/8 | 4
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| 11.1.2.3/8 | 11.1.2.3 | 11.1.2.3/8 | 4
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| 9.1.2.3/8 | 9.1.2.3 | 9.1.2.3/8 | 4
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| 10:23::f1/64 | 10:23::f1 | 10:23::f1/64 | 6
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| 10:23::ffff | 10:23::ffff | 10:23::ffff/128 | 6
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| ::4.3.2.1/24 | ::4.3.2.1 | ::4.3.2.1/24 | 6
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(17 rows)
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SELECT '' AS ten, c AS cidr, broadcast(c),
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i AS inet, broadcast(i) FROM INET_TBL;
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ten | cidr | broadcast | inet | broadcast
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-----+--------------------+------------------+------------------+---------------------------------------
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| 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.226/24 | 192.168.1.255/24
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| 192.168.1.0/26 | 192.168.1.63/26 | 192.168.1.226 | 192.168.1.226
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| 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/24
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| 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/25 | 192.168.1.127/25
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| 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.255/24 | 192.168.1.255/24
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| 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.255/25 | 192.168.1.255/25
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| 10.0.0.0/8 | 10.255.255.255/8 | 10.1.2.3/8 | 10.255.255.255/8
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| 10.0.0.0/32 | 10.0.0.0 | 10.1.2.3/8 | 10.255.255.255/8
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| 10.1.2.3/32 | 10.1.2.3 | 10.1.2.3 | 10.1.2.3
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| 10.1.2.0/24 | 10.1.2.255/24 | 10.1.2.3/24 | 10.1.2.255/24
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| 10.1.0.0/16 | 10.1.255.255/16 | 10.1.2.3/16 | 10.1.255.255/16
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| 10.0.0.0/8 | 10.255.255.255/8 | 10.1.2.3/8 | 10.255.255.255/8
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| 10.0.0.0/8 | 10.255.255.255/8 | 11.1.2.3/8 | 11.255.255.255/8
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| 10.0.0.0/8 | 10.255.255.255/8 | 9.1.2.3/8 | 9.255.255.255/8
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| 10:23::f1/128 | 10:23::f1 | 10:23::f1/64 | 10:23::ffff:ffff:ffff:ffff/64
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| 10:23::8000/113 | 10:23::ffff/113 | 10:23::ffff | 10:23::ffff
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| ::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
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(17 rows)
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SELECT '' AS ten, c AS cidr, network(c) AS "network(cidr)",
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i AS inet, network(i) AS "network(inet)" FROM INET_TBL;
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ten | cidr | network(cidr) | inet | network(inet)
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-----+--------------------+--------------------+------------------+------------------
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| 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.226/24 | 192.168.1.0/24
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| 192.168.1.0/26 | 192.168.1.0/26 | 192.168.1.226 | 192.168.1.226/32
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| 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24
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| 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/25 | 192.168.1.0/25
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| 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.255/24 | 192.168.1.0/24
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| 192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.255/25 | 192.168.1.128/25
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| 10.0.0.0/8 | 10.0.0.0/8 | 10.1.2.3/8 | 10.0.0.0/8
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| 10.0.0.0/32 | 10.0.0.0/32 | 10.1.2.3/8 | 10.0.0.0/8
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| 10.1.2.3/32 | 10.1.2.3/32 | 10.1.2.3 | 10.1.2.3/32
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| 10.1.2.0/24 | 10.1.2.0/24 | 10.1.2.3/24 | 10.1.2.0/24
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| 10.1.0.0/16 | 10.1.0.0/16 | 10.1.2.3/16 | 10.1.0.0/16
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| 10.0.0.0/8 | 10.0.0.0/8 | 10.1.2.3/8 | 10.0.0.0/8
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| 10.0.0.0/8 | 10.0.0.0/8 | 11.1.2.3/8 | 11.0.0.0/8
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| 10.0.0.0/8 | 10.0.0.0/8 | 9.1.2.3/8 | 9.0.0.0/8
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| 10:23::f1/128 | 10:23::f1/128 | 10:23::f1/64 | 10:23::/64
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| 10:23::8000/113 | 10:23::8000/113 | 10:23::ffff | 10:23::ffff/128
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| ::ffff:1.2.3.4/128 | ::ffff:1.2.3.4/128 | ::4.3.2.1/24 | ::/24
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(17 rows)
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SELECT '' AS ten, c AS cidr, masklen(c) AS "masklen(cidr)",
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i AS inet, masklen(i) AS "masklen(inet)" FROM INET_TBL;
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ten | cidr | masklen(cidr) | inet | masklen(inet)
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-----+--------------------+---------------+------------------+---------------
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| 192.168.1.0/24 | 24 | 192.168.1.226/24 | 24
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| 192.168.1.0/26 | 26 | 192.168.1.226 | 32
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| 192.168.1.0/24 | 24 | 192.168.1.0/24 | 24
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| 192.168.1.0/24 | 24 | 192.168.1.0/25 | 25
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| 192.168.1.0/24 | 24 | 192.168.1.255/24 | 24
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| 192.168.1.0/24 | 24 | 192.168.1.255/25 | 25
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| 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8
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| 10.0.0.0/32 | 32 | 10.1.2.3/8 | 8
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| 10.1.2.3/32 | 32 | 10.1.2.3 | 32
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| 10.1.2.0/24 | 24 | 10.1.2.3/24 | 24
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| 10.1.0.0/16 | 16 | 10.1.2.3/16 | 16
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| 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8
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| 10.0.0.0/8 | 8 | 11.1.2.3/8 | 8
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| 10.0.0.0/8 | 8 | 9.1.2.3/8 | 8
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| 10:23::f1/128 | 128 | 10:23::f1/64 | 64
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| 10:23::8000/113 | 113 | 10:23::ffff | 128
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| ::ffff:1.2.3.4/128 | 128 | ::4.3.2.1/24 | 24
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(17 rows)
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SELECT '' AS four, c AS cidr, masklen(c) AS "masklen(cidr)",
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i AS inet, masklen(i) AS "masklen(inet)" FROM INET_TBL
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WHERE masklen(c) <= 8;
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four | cidr | masklen(cidr) | inet | masklen(inet)
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------+------------+---------------+------------+---------------
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| 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8
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| 10.0.0.0/8 | 8 | 10.1.2.3/8 | 8
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| 10.0.0.0/8 | 8 | 11.1.2.3/8 | 8
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| 10.0.0.0/8 | 8 | 9.1.2.3/8 | 8
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(4 rows)
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SELECT '' AS six, c AS cidr, i AS inet FROM INET_TBL
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WHERE c = i;
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six | cidr | inet
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-----+----------------+----------------
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| 192.168.1.0/24 | 192.168.1.0/24
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| 10.1.2.3/32 | 10.1.2.3
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(2 rows)
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SELECT '' AS ten, i, c,
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i < c AS lt, i <= c AS le, i = c AS eq,
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i >= c AS ge, i > c AS gt, i <> c AS ne,
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i << c AS sb, i <<= c AS sbe,
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i >> c AS sup, i >>= c AS spe
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FROM INET_TBL;
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ten | i | c | lt | le | eq | ge | gt | ne | sb | sbe | sup | spe
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-----+------------------+--------------------+----+----+----+----+----+----+----+-----+-----+-----
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| 192.168.1.226/24 | 192.168.1.0/24 | f | f | f | t | t | t | f | t | f | t
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| 192.168.1.226 | 192.168.1.0/26 | f | f | f | t | t | t | f | f | f | f
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| 192.168.1.0/24 | 192.168.1.0/24 | f | t | t | t | f | f | f | t | f | t
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| 192.168.1.0/25 | 192.168.1.0/24 | f | f | f | t | t | t | t | t | f | f
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| 192.168.1.255/24 | 192.168.1.0/24 | f | f | f | t | t | t | f | t | f | t
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| 192.168.1.255/25 | 192.168.1.0/24 | f | f | f | t | t | t | t | t | f | f
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| 10.1.2.3/8 | 10.0.0.0/8 | f | f | f | t | t | t | f | t | f | t
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| 10.1.2.3/8 | 10.0.0.0/32 | t | t | f | f | f | t | f | f | t | t
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| 10.1.2.3 | 10.1.2.3/32 | f | t | t | t | f | f | f | t | f | t
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| 10.1.2.3/24 | 10.1.2.0/24 | f | f | f | t | t | t | f | t | f | t
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| 10.1.2.3/16 | 10.1.0.0/16 | f | f | f | t | t | t | f | t | f | t
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| 10.1.2.3/8 | 10.0.0.0/8 | f | f | f | t | t | t | f | t | f | t
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| 11.1.2.3/8 | 10.0.0.0/8 | f | f | f | t | t | t | f | f | f | f
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| 9.1.2.3/8 | 10.0.0.0/8 | t | t | f | f | f | t | f | f | f | f
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| 10:23::f1/64 | 10:23::f1/128 | t | t | f | f | f | t | f | f | t | t
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| 10:23::ffff | 10:23::8000/113 | f | f | f | t | t | t | t | t | f | f
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| ::4.3.2.1/24 | ::ffff:1.2.3.4/128 | t | t | f | f | f | t | f | f | t | t
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(17 rows)
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-- check the conversion to/from text and set_netmask
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SELECT '' AS ten, set_masklen(inet(text(i)), 24) FROM INET_TBL;
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ten | set_masklen
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-----+------------------
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| 192.168.1.226/24
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| 192.168.1.226/24
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| 192.168.1.0/24
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| 192.168.1.0/24
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| 192.168.1.255/24
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| 192.168.1.255/24
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| 10.1.2.3/24
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| 10.1.2.3/24
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| 10.1.2.3/24
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| 10.1.2.3/24
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| 10.1.2.3/24
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| 10.1.2.3/24
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| 11.1.2.3/24
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| 9.1.2.3/24
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| 10:23::f1/24
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| 10:23::ffff/24
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| ::4.3.2.1/24
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(17 rows)
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-- check that index works correctly
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CREATE INDEX inet_idx1 ON inet_tbl(i);
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SET enable_seqscan TO off;
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SELECT * FROM inet_tbl WHERE i<<'192.168.1.0/24'::cidr;
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c | i
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----------------+------------------
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192.168.1.0/24 | 192.168.1.0/25
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192.168.1.0/24 | 192.168.1.255/25
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192.168.1.0/26 | 192.168.1.226
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(3 rows)
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SELECT * FROM inet_tbl WHERE i<<='192.168.1.0/24'::cidr;
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c | i
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----------------+------------------
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192.168.1.0/24 | 192.168.1.0/24
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192.168.1.0/24 | 192.168.1.226/24
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192.168.1.0/24 | 192.168.1.255/24
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192.168.1.0/24 | 192.168.1.0/25
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192.168.1.0/24 | 192.168.1.255/25
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192.168.1.0/26 | 192.168.1.226
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(6 rows)
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SET enable_seqscan TO on;
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DROP INDEX inet_idx1;
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-- simple tests of inet boolean and arithmetic operators
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SELECT i, ~i AS "~i" FROM inet_tbl;
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i | ~i
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------------------+--------------------------------------------
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192.168.1.226/24 | 63.87.254.29/24
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192.168.1.226 | 63.87.254.29
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192.168.1.0/24 | 63.87.254.255/24
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192.168.1.0/25 | 63.87.254.255/25
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192.168.1.255/24 | 63.87.254.0/24
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192.168.1.255/25 | 63.87.254.0/25
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10.1.2.3/8 | 245.254.253.252/8
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10.1.2.3/8 | 245.254.253.252/8
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10.1.2.3 | 245.254.253.252
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10.1.2.3/24 | 245.254.253.252/24
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10.1.2.3/16 | 245.254.253.252/16
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10.1.2.3/8 | 245.254.253.252/8
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11.1.2.3/8 | 244.254.253.252/8
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9.1.2.3/8 | 246.254.253.252/8
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10:23::f1/64 | ffef:ffdc:ffff:ffff:ffff:ffff:ffff:ff0e/64
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10:23::ffff | ffef:ffdc:ffff:ffff:ffff:ffff:ffff:0
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::4.3.2.1/24 | ffff:ffff:ffff:ffff:ffff:ffff:fbfc:fdfe/24
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(17 rows)
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SELECT i, c, i & c AS "and" FROM inet_tbl;
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i | c | and
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------------------+--------------------+----------------
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192.168.1.226/24 | 192.168.1.0/24 | 192.168.1.0/24
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192.168.1.226 | 192.168.1.0/26 | 192.168.1.0
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192.168.1.0/24 | 192.168.1.0/24 | 192.168.1.0/24
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192.168.1.0/25 | 192.168.1.0/24 | 192.168.1.0/25
|
|
192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.0/24
|
|
192.168.1.255/25 | 192.168.1.0/24 | 192.168.1.0/25
|
|
10.1.2.3/8 | 10.0.0.0/8 | 10.0.0.0/8
|
|
10.1.2.3/8 | 10.0.0.0/32 | 10.0.0.0
|
|
10.1.2.3 | 10.1.2.3/32 | 10.1.2.3
|
|
10.1.2.3/24 | 10.1.2.0/24 | 10.1.2.0/24
|
|
10.1.2.3/16 | 10.1.0.0/16 | 10.1.0.0/16
|
|
10.1.2.3/8 | 10.0.0.0/8 | 10.0.0.0/8
|
|
11.1.2.3/8 | 10.0.0.0/8 | 10.0.0.0/8
|
|
9.1.2.3/8 | 10.0.0.0/8 | 8.0.0.0/8
|
|
10:23::f1/64 | 10:23::f1/128 | 10:23::f1
|
|
10:23::ffff | 10:23::8000/113 | 10:23::8000
|
|
::4.3.2.1/24 | ::ffff:1.2.3.4/128 | ::0.2.2.0
|
|
(17 rows)
|
|
|
|
SELECT i, c, i | c AS "or" FROM inet_tbl;
|
|
i | c | or
|
|
------------------+--------------------+------------------
|
|
192.168.1.226/24 | 192.168.1.0/24 | 192.168.1.226/24
|
|
192.168.1.226 | 192.168.1.0/26 | 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 | 192.168.1.0/25
|
|
192.168.1.255/24 | 192.168.1.0/24 | 192.168.1.255/24
|
|
192.168.1.255/25 | 192.168.1.0/24 | 192.168.1.255/25
|
|
10.1.2.3/8 | 10.0.0.0/8 | 10.1.2.3/8
|
|
10.1.2.3/8 | 10.0.0.0/32 | 10.1.2.3
|
|
10.1.2.3 | 10.1.2.3/32 | 10.1.2.3
|
|
10.1.2.3/24 | 10.1.2.0/24 | 10.1.2.3/24
|
|
10.1.2.3/16 | 10.1.0.0/16 | 10.1.2.3/16
|
|
10.1.2.3/8 | 10.0.0.0/8 | 10.1.2.3/8
|
|
11.1.2.3/8 | 10.0.0.0/8 | 11.1.2.3/8
|
|
9.1.2.3/8 | 10.0.0.0/8 | 11.1.2.3/8
|
|
10:23::f1/64 | 10:23::f1/128 | 10:23::f1
|
|
10:23::ffff | 10:23::8000/113 | 10:23::ffff
|
|
::4.3.2.1/24 | ::ffff:1.2.3.4/128 | ::ffff:5.3.3.5
|
|
(17 rows)
|
|
|
|
SELECT i, i + 500 AS "i+500" FROM inet_tbl;
|
|
i | i+500
|
|
------------------+------------------
|
|
192.168.1.226/24 | 192.168.3.214/24
|
|
192.168.1.226 | 192.168.3.214
|
|
192.168.1.0/24 | 192.168.2.244/24
|
|
192.168.1.0/25 | 192.168.2.244/25
|
|
192.168.1.255/24 | 192.168.3.243/24
|
|
192.168.1.255/25 | 192.168.3.243/25
|
|
10.1.2.3/8 | 10.1.3.247/8
|
|
10.1.2.3/8 | 10.1.3.247/8
|
|
10.1.2.3 | 10.1.3.247
|
|
10.1.2.3/24 | 10.1.3.247/24
|
|
10.1.2.3/16 | 10.1.3.247/16
|
|
10.1.2.3/8 | 10.1.3.247/8
|
|
11.1.2.3/8 | 11.1.3.247/8
|
|
9.1.2.3/8 | 9.1.3.247/8
|
|
10:23::f1/64 | 10:23::2e5/64
|
|
10:23::ffff | 10:23::1:1f3
|
|
::4.3.2.1/24 | ::4.3.3.245/24
|
|
(17 rows)
|
|
|
|
SELECT i, i - 500 AS "i-500" FROM inet_tbl;
|
|
i | i-500
|
|
------------------+----------------------------------------
|
|
192.168.1.226/24 | 192.167.255.238/24
|
|
192.168.1.226 | 192.167.255.238
|
|
192.168.1.0/24 | 192.167.255.12/24
|
|
192.168.1.0/25 | 192.167.255.12/25
|
|
192.168.1.255/24 | 192.168.0.11/24
|
|
192.168.1.255/25 | 192.168.0.11/25
|
|
10.1.2.3/8 | 10.1.0.15/8
|
|
10.1.2.3/8 | 10.1.0.15/8
|
|
10.1.2.3 | 10.1.0.15
|
|
10.1.2.3/24 | 10.1.0.15/24
|
|
10.1.2.3/16 | 10.1.0.15/16
|
|
10.1.2.3/8 | 10.1.0.15/8
|
|
11.1.2.3/8 | 11.1.0.15/8
|
|
9.1.2.3/8 | 9.1.0.15/8
|
|
10:23::f1/64 | 10:22:ffff:ffff:ffff:ffff:ffff:fefd/64
|
|
10:23::ffff | 10:23::fe0b
|
|
::4.3.2.1/24 | ::4.3.0.13/24
|
|
(17 rows)
|
|
|
|
SELECT i, c, i - c AS "minus" FROM inet_tbl;
|
|
i | c | minus
|
|
------------------+--------------------+------------------
|
|
192.168.1.226/24 | 192.168.1.0/24 | 226
|
|
192.168.1.226 | 192.168.1.0/26 | 226
|
|
192.168.1.0/24 | 192.168.1.0/24 | 0
|
|
192.168.1.0/25 | 192.168.1.0/24 | 0
|
|
192.168.1.255/24 | 192.168.1.0/24 | 255
|
|
192.168.1.255/25 | 192.168.1.0/24 | 255
|
|
10.1.2.3/8 | 10.0.0.0/8 | 66051
|
|
10.1.2.3/8 | 10.0.0.0/32 | 66051
|
|
10.1.2.3 | 10.1.2.3/32 | 0
|
|
10.1.2.3/24 | 10.1.2.0/24 | 3
|
|
10.1.2.3/16 | 10.1.0.0/16 | 515
|
|
10.1.2.3/8 | 10.0.0.0/8 | 66051
|
|
11.1.2.3/8 | 10.0.0.0/8 | 16843267
|
|
9.1.2.3/8 | 10.0.0.0/8 | -16711165
|
|
10:23::f1/64 | 10:23::f1/128 | 0
|
|
10:23::ffff | 10:23::8000/113 | 32767
|
|
::4.3.2.1/24 | ::ffff:1.2.3.4/128 | -281470631346435
|
|
(17 rows)
|
|
|
|
SELECT '127.0.0.1'::inet + 257;
|
|
?column?
|
|
-----------
|
|
127.0.1.2
|
|
(1 row)
|
|
|
|
SELECT ('127.0.0.1'::inet + 257) - 257;
|
|
?column?
|
|
-----------
|
|
127.0.0.1
|
|
(1 row)
|
|
|
|
SELECT '127::1'::inet + 257;
|
|
?column?
|
|
----------
|
|
127::102
|
|
(1 row)
|
|
|
|
SELECT ('127::1'::inet + 257) - 257;
|
|
?column?
|
|
----------
|
|
127::1
|
|
(1 row)
|
|
|
|
SELECT '127.0.0.2'::inet - ('127.0.0.2'::inet + 500);
|
|
?column?
|
|
----------
|
|
-500
|
|
(1 row)
|
|
|
|
SELECT '127.0.0.2'::inet - ('127.0.0.2'::inet - 500);
|
|
?column?
|
|
----------
|
|
500
|
|
(1 row)
|
|
|
|
SELECT '127::2'::inet - ('127::2'::inet + 500);
|
|
?column?
|
|
----------
|
|
-500
|
|
(1 row)
|
|
|
|
SELECT '127::2'::inet - ('127::2'::inet - 500);
|
|
?column?
|
|
----------
|
|
500
|
|
(1 row)
|
|
|
|
-- these should give overflow errors:
|
|
SELECT '127.0.0.1'::inet + 10000000000;
|
|
ERROR: result is out of range
|
|
SELECT '127.0.0.1'::inet - 10000000000;
|
|
ERROR: result is out of range
|
|
SELECT '126::1'::inet - '127::2'::inet;
|
|
ERROR: result is out of range
|
|
SELECT '127::1'::inet - '126::2'::inet;
|
|
ERROR: result is out of range
|
|
-- but not these
|
|
SELECT '127::1'::inet + 10000000000;
|
|
?column?
|
|
------------------
|
|
127::2:540b:e401
|
|
(1 row)
|
|
|
|
SELECT '127::1'::inet - '127::2'::inet;
|
|
?column?
|
|
----------
|
|
-1
|
|
(1 row)
|
|
|