-- -- macaddr -- CREATE TABLE macaddr_data (a int, b macaddr); INSERT INTO macaddr_data VALUES (1, '08:00:2b:01:02:03'); INSERT INTO macaddr_data VALUES (2, '08-00-2b-01-02-03'); INSERT INTO macaddr_data VALUES (3, '08002b:010203'); INSERT INTO macaddr_data VALUES (4, '08002b-010203'); INSERT INTO macaddr_data VALUES (5, '0800.2b01.0203'); INSERT INTO macaddr_data VALUES (6, '08002b010203'); INSERT INTO macaddr_data VALUES (7, '0800:2b01:0203'); -- invalid ERROR: invalid input syntax for type macaddr: "0800:2b01:0203" LINE 1: INSERT INTO macaddr_data VALUES (7, '0800:2b01:0203'); ^ INSERT INTO macaddr_data VALUES (8, 'not even close'); -- invalid ERROR: invalid input syntax for type macaddr: "not even close" LINE 1: INSERT INTO macaddr_data VALUES (8, 'not even close'); ^ INSERT INTO macaddr_data VALUES (10, '08:00:2b:01:02:04'); INSERT INTO macaddr_data VALUES (11, '08:00:2b:01:02:02'); INSERT INTO macaddr_data VALUES (12, '08:00:2a:01:02:03'); INSERT INTO macaddr_data VALUES (13, '08:00:2c:01:02:03'); INSERT INTO macaddr_data VALUES (14, '08:00:2a:01:02:04'); SELECT * FROM macaddr_data; a | b ----+------------------- 1 | 08:00:2b:01:02:03 2 | 08:00:2b:01:02:03 3 | 08:00:2b:01:02:03 4 | 08:00:2b:01:02:03 5 | 08:00:2b:01:02:03 6 | 08:00:2b:01:02:03 10 | 08:00:2b:01:02:04 11 | 08:00:2b:01:02:02 12 | 08:00:2a:01:02:03 13 | 08:00:2c:01:02:03 14 | 08:00:2a:01:02:04 (11 rows) CREATE INDEX macaddr_data_btree ON macaddr_data USING btree (b); CREATE INDEX macaddr_data_hash ON macaddr_data USING hash (b); WARNING: hash indexes are not WAL-logged and thus are not crash-safe and cannot be used on standby servers SELECT a, b, trunc(b) FROM macaddr_data ORDER BY 2, 1; a | b | trunc ----+-------------------+------------------- 12 | 08:00:2a:01:02:03 | 08:00:2a:00:00:00 14 | 08:00:2a:01:02:04 | 08:00:2a:00:00:00 11 | 08:00:2b:01:02:02 | 08:00:2b:00:00:00 1 | 08:00:2b:01:02:03 | 08:00:2b:00:00:00 2 | 08:00:2b:01:02:03 | 08:00:2b:00:00:00 3 | 08:00:2b:01:02:03 | 08:00:2b:00:00:00 4 | 08:00:2b:01:02:03 | 08:00:2b:00:00:00 5 | 08:00:2b:01:02:03 | 08:00:2b:00:00:00 6 | 08:00:2b:01:02:03 | 08:00:2b:00:00:00 10 | 08:00:2b:01:02:04 | 08:00:2b:00:00:00 13 | 08:00:2c:01:02:03 | 08:00:2c:00:00:00 (11 rows) SELECT b < '08:00:2b:01:02:04' FROM macaddr_data WHERE a = 1; -- true ?column? ---------- t (1 row) SELECT b > '08:00:2b:01:02:04' FROM macaddr_data WHERE a = 1; -- false ?column? ---------- f (1 row) SELECT b > '08:00:2b:01:02:03' FROM macaddr_data WHERE a = 1; -- false ?column? ---------- f (1 row) SELECT b <= '08:00:2b:01:02:04' FROM macaddr_data WHERE a = 1; -- true ?column? ---------- t (1 row) SELECT b >= '08:00:2b:01:02:04' FROM macaddr_data WHERE a = 1; -- false ?column? ---------- f (1 row) SELECT b = '08:00:2b:01:02:03' FROM macaddr_data WHERE a = 1; -- true ?column? ---------- t (1 row) SELECT b <> '08:00:2b:01:02:04' FROM macaddr_data WHERE a = 1; -- true ?column? ---------- t (1 row) SELECT b <> '08:00:2b:01:02:03' FROM macaddr_data WHERE a = 1; -- false ?column? ---------- f (1 row) SELECT ~b FROM macaddr_data; ?column? ------------------- f7:ff:d4:fe:fd:fc f7:ff:d4:fe:fd:fc f7:ff:d4:fe:fd:fc f7:ff:d4:fe:fd:fc f7:ff:d4:fe:fd:fc f7:ff:d4:fe:fd:fc f7:ff:d4:fe:fd:fb f7:ff:d4:fe:fd:fd f7:ff:d5:fe:fd:fc f7:ff:d3:fe:fd:fc f7:ff:d5:fe:fd:fb (11 rows) SELECT b & '00:00:00:ff:ff:ff' FROM macaddr_data; ?column? ------------------- 00:00:00:01:02:03 00:00:00:01:02:03 00:00:00:01:02:03 00:00:00:01:02:03 00:00:00:01:02:03 00:00:00:01:02:03 00:00:00:01:02:04 00:00:00:01:02:02 00:00:00:01:02:03 00:00:00:01:02:03 00:00:00:01:02:04 (11 rows) SELECT b | '01:02:03:04:05:06' FROM macaddr_data; ?column? ------------------- 09:02:2b:05:07:07 09:02:2b:05:07:07 09:02:2b:05:07:07 09:02:2b:05:07:07 09:02:2b:05:07:07 09:02:2b:05:07:07 09:02:2b:05:07:06 09:02:2b:05:07:06 09:02:2b:05:07:07 09:02:2f:05:07:07 09:02:2b:05:07:06 (11 rows) DROP TABLE macaddr_data;