DROP DATABASE IF EXISTS mcs205_db;
CREATE DATABASE mcs205_db;
USE mcs205_db;
CREATE TABLE t1 (a INT, b CHAR(5))ENGINE=Columnstore;
INSERT INTO t1 VALUES (NULL, ''),(1, 'aaa'),(2, 'aaa'),(3, 'ccc'),(4, 'ddd'),(5, 'aaa'),(6, 'ddd'),(7, 'eee');
SELECT a, INET_ATON(a) FROM t1 ORDER BY a;
a	INET_ATON(a)
NULL	NULL
1	1
2	2
3	3
4	4
5	5
6	6
7	7
SELECT b, INET_ATON(b) FROM t1 ORDER BY b;
b	INET_ATON(b)
NULL	NULL
aaa	NULL
aaa	NULL
aaa	NULL
ccc	NULL
ddd	NULL
ddd	NULL
eee	NULL
SELECT INET_ATON('0.0.0.0') FROM t1;
INET_ATON('0.0.0.0')
0
0
0
0
0
0
0
0
SELECT INET_ATON('0.0.0.1') FROM t1;
INET_ATON('0.0.0.1')
1
1
1
1
1
1
1
1
SELECT INET_ATON('0.0.1.0') FROM t1;
INET_ATON('0.0.1.0')
256
256
256
256
256
256
256
256
SELECT INET_ATON('0.1.0.0') FROM t1;
INET_ATON('0.1.0.0')
65536
65536
65536
65536
65536
65536
65536
65536
SELECT INET_ATON('1.0.0.0') FROM t1;
INET_ATON('1.0.0.0')
16777216
16777216
16777216
16777216
16777216
16777216
16777216
16777216
SELECT INET_ATON('255.0.0.0') FROM t1;
INET_ATON('255.0.0.0')
4278190080
4278190080
4278190080
4278190080
4278190080
4278190080
4278190080
4278190080
SELECT INET_ATON('256.0.0.0') FROM t1;
INET_ATON('256.0.0.0')
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
SELECT INET_ATON('0.0.0.-1') FROM t1;
INET_ATON('0.0.0.-1')
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
SELECT INET_ATON('255.255.255.255') FROM t1;
INET_ATON('255.255.255.255')
4294967295
4294967295
4294967295
4294967295
4294967295
4294967295
4294967295
4294967295
DROP DATABASE mcs205_db;