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Important
This feature is in Public Preview. You can confirm preview enrollment on the Previews page. See Manage Azure Databricks previews.
Returns the number of geometries in the input geometry.
For the corresponding Databricks SQL function, see st_numgeometries function.
Syntax
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
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()
[Row(result=4)]