IS_IPV6_STRING

IS_IPV6_STRING

Description

Syntax

BOOLEAN IS_IPV6_STRING(STRING ipv6_str)

接收一个表示形式为字符串的IPv6地址作为参数，如果为格式正确且合法的IPv6地址，返回true；反之，返回false。

Example

mysql> select is_ipv6_string(NULL);
+----------------------+
| is_ipv6_string(NULL) |
+----------------------+
|                 NULL |
+----------------------+
mysql> CREATE TABLE `test_is_ipv6_string` (
      `id` int,
      `ip_v6` string
    ) ENGINE=OLAP
    DISTRIBUTED BY HASH(`id`) BUCKETS 4
    PROPERTIES (
    "replication_allocation" = "tag.location.default: 1"
    );
mysql> insert into test_is_ipv6_string values(0, NULL), (1, '::'), (2, ''), (3, '2001:1b70:a1:610::b102:2'), (4, 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffffg');
mysql> select id, is_ipv6_string(ip_v6) from test_is_ipv6_string order by id;
+------+-----------------------+
| id   | is_ipv6_string(ip_v6) |
+------+-----------------------+
|    0 |                  NULL |
|    1 |                     1 |
|    2 |                     0 |
|    3 |                     1 |
|    4 |                     0 |
+------+-----------------------+

Keywords

IS_IPV6_STRING, IP