IPV4_STRING_TO_NUM
IPV4_STRING_TO_NUM
IPV4_STRING_TO_NUM
description
Syntax
BIGINT IPV4_STRING_TO_NUM(VARCHAR ipv4_string)
获取包含 IPv4 地址的字符串，格式为 A.B.C.D（点分隔的十进制数字）。返回一个 BIGINT 数字，表示相应的大端 IPv4 地址。
notice
如果输入字符串不是有效的 IPv4 地址或者NULL，将返回错误
example
mysql> select ipv4_string_to_num('192.168.0.1');
+-----------------------------------+
| ipv4_string_to_num('192.168.0.1') |
+-----------------------------------+
| 3232235521 |
+-----------------------------------+
1 row in set (0.01 sec)
mysql> SELECT ipv4_string_to_num('192.168');
ERROR 1105 (HY000): errCode = 2, detailMessage = (172.17.0.2)[CANCELLED][INVALID_ARGUMENT][E33] Invalid IPv4 value
mysql> select addr_src, ipv4_string_to_num(addr_src) from ipv4_string_test where addr_src is null;
ERROR 1105 (HY000): errCode = 2, detailMessage = (172.17.0.2)[CANCELLED][E33] Null Input, you may consider convert it to a valid default IPv4 value like '0.0.0.0' first
keywords
IPV4_STRING_TO_NUM, IP
