docs/sql-manual/sql-functions/ip-functions/to-ipv6.md

---
{
"title": "TO_IPV6",
"language": "en"
}
---

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## TO_IPV6

TO_IPV6

### Description

#### Syntax

`IPV6 TO_IPV6(STRING ipv6_str)`

Convert a string form of IPv6 address to IPv6 type.
If the IPv6 address has an invalid format, throw an exception.
Similar to ipv6_string_to_num function, which converts IPv6 address to binary format.

#### Notice

`Input cannot be NULL. If it is NULL, an exception will be thrown.`

### Example

```sql
mysql> select to_ipv6('::');
+---------------+
| to_ipv6('::') |
+---------------+
| ::            |
+---------------+
```

### Keywords

TO_IPV6, IP