snowflake.snowpark.functions.st_dimension

snowflake.snowpark.functions.st_dimension(geography_or_geometry_expression: Union[snowflake.snowpark.column.Column, str]) → Column[source]

Returns the dimension of a GEOGRAPHY or GEOMETRY object.

Parameters:

geography_or_geometry_expression (ColumnOrName) – A GEOGRAPHY or GEOMETRY object

Returns:

The dimension of the input object (0 for points, 1 for lines, 2 for polygons)

Return type:

Column

Examples::
>>> from snowflake.snowpark.functions import to_geometry
>>> df = session.create_dataframe([
...     ['POINT(-122.35 37.55)'],
...     ['LINESTRING(-124.20 42.00, -120.01 41.99)'],
...     ['POLYGON((-124.20 42.00, -120.01 41.99, -121.1 42.01, -124.20 42.00))']
... ], schema=["geom"])
>>> df.select(st_dimension(to_geometry(df["geom"])).alias("dimension")).collect()
[Row(DIMENSION=0), Row(DIMENSION=1), Row(DIMENSION=2)]
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Sprache: Deutsch