Nóta
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað aðskrá þig inn eða breyta skráasöfnum.
Aðgangur að þessari síðu krefst heimildar. Þú getur prófað að breyta skráasöfnum.
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 last address of an IPv4 or IPv6 CIDR block in its canonical form.
For the corresponding SQL function, see ip_network_last function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.ip_network_last(col=<col>)
Parameters
| Parameter | Type | Description |
|---|---|---|
col |
pyspark.sql.Column or str |
A STRING or BINARY value representing a valid IPv4 or IPv6 CIDR block. |
Examples
Example 1: Get last address from an IPv4 CIDR block.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('192.168.1.0/24',)], ['cidr'])
df.select(dbf.ip_network_last('cidr').alias('result')).collect()
[Row(result='192.168.1.255')]
Example 2: Get last address from an IPv6 CIDR block.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('2001:db8::/32',)], ['cidr'])
df.select(dbf.ip_network_last('cidr').alias('result')).collect()
[Row(result='2001:db8:ffff:ffff:ffff:ffff:ffff:ffff')]
Example 3: None input returns None.
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(None,)], 'cidr: string')
df.select(dbf.ip_network_last('cidr').alias('result')).collect()
[Row(result=None)]