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h3_minchild

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

For the corresponding Databricks SQL function, see h3_minchild function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.h3_minchild(col1=<col1>, col2=<col2>)

Parameters

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

Examples

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([(599686042433355775, 10,)], ['h3l', 'res'])
df.select(dbf.h3_minchild('h3l', 'res').alias('result')).collect()
[Row(result=622204039496499199)]
df.select(dbf.h3_minchild('h3l', 10).alias('result')).collect()
[Row(result=622204039496499199)]