st_isempty

Important

This feature is in Public Preview. You can confirm preview enrollment on the Previews page. See Manage Azure Databricks previews.

Returns True if the input Geography or Geometry value does not contain any non-empty points.

For the corresponding Databricks SQL function, see st_isempty function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.st_isempty(col=<col>)

Parameters

Parameter	Type	Description
col	pyspark.sql.Column or str	A Geography or Geometry value.

Examples

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('MULTIPOINT(10 34,44 57,EMPTY)',)], ['wkt'])
df.select(dbf.st_isempty(dbf.st_geomfromwkt('wkt')).alias('result')).collect()

[Row(result=False)]