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Important
Support for GEOGRAPHY values is in Public Preview. Support for GEOMETRY values is generally available.
Returns the coordinate dimension of the input Geography or Geometry value.
For the corresponding Databricks SQL function, see st_ndims function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.st_ndims(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([('POINT ZM (10 34 48 -24)',)], ['wkt'])
df.select(dbf.st_ndims(dbf.st_geomfromtext('wkt')).alias('result')).collect()
[Row(result=4)]