h3_maxchild

Returns the child of maximum value of the input H3 cell at the specified resolution. Supports Spark Connect.

For the corresponding Databricks SQL function, see h3_maxchild function.

Syntax

Python

from pyspark.databricks.sql import functions as dbf

dbf.h3_maxchild(col1=<col1>, col2=<col2>)

Parameters

Parameter	Type	Description
col1	pyspark.sql.Column or str	An H3 cell ID, represented as a int or a str
col2	pyspark.sql.Column, str, or int	The resolution of the maximum value child cell ID to return. Must be non-negative and larger or equal to the resolution of the first argument.

Examples

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(599686042433355775, 10,)], ['h3l', 'res'])
df.select(dbf.h3_maxchild('h3l', 'res').alias('result')).collect()

Output

[Row(result=622204040416821247)]

Python

df.select(dbf.h3_maxchild('h3l', 10).alias('result')).collect()

Output

[Row(result=622204040416821247)]