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Applies to: 
Databricks Runtime 18.2 and above
Important
This feature is in Beta. Workspace admins can control access to this feature from the Previews page. See Manage Azure Databricks previews.
Returns the canonical representation of an IPv4 or IPv6 address. Returns None instead of raising an error if the input is invalid.
For the corresponding SQL function, see try_ip_host function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.try_ip_host(col=<col>)
Parameters
| Parameter | Type | Description |
|---|---|---|
col |
pyspark.sql.Column or str |
A STRING or BINARY value representing a valid IPv4 or IPv6 address. |
Examples
Example 1: Validate an IPv4 address.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('192.168.1.5',)], ['ip'])
df.select(dbf.try_ip_host('ip').alias('result')).collect()
[Row(result='192.168.1.5')]
Example 2: Canonicalize an IPv6 address.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('2001:0db8::1',)], ['ip'])
df.select(dbf.try_ip_host('ip').alias('result')).collect()
[Row(result='2001:db8::1')]
Example 3: Invalid input returns None.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('invalid.ip',)], ['ip'])
df.select(dbf.try_ip_host('ip').alias('result')).collect()
[Row(result=None)]
Example 4: None input returns None.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(None,)], 'ip: string')
df.select(dbf.try_ip_host('ip').alias('result')).collect()
[Row(result=None)]