st_numgeometries

Preview

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Returns the number of geometries in the input geometry.

For the corresponding Databricks SQL function, see st_numgeometries function.

Syntax

Python

from pyspark.databricks.sql import functions as dbf

dbf.st_numgeometries(col=<col>)

Parameters

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

Examples

Python

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('MULTIPOINT((1 2),EMPTY,EMPTY,(3 4))',)], ['wkt'])
df.select(dbf.st_numgeometries(dbf.st_geomfromtext('wkt')).alias('result')).collect()

Output

[Row(result=4)]