snowflake.snowpark.functions.st_ymin¶
- snowflake.snowpark.functions.st_ymin(geography_or_geometry_expression)[source]¶
Returns the minimum Y coordinate (latitude) of all points in a GEOGRAPHY or GEOMETRY object.
- Parameters:
geography_or_geometry_expression (ColumnOrName) – A GEOGRAPHY or GEOMETRY object.
- Returns:
The minimum Y coordinate value.
- Return type:
- Examples::
>>> from snowflake.snowpark.functions import to_geography >>> df = session.create_dataframe([ ... ['POINT(-180 0)'], ... ['POINT(180 0)'], ... ['LINESTRING(-60 30, 60 30)'], ... ['LINESTRING(-60 -30, 60 -30)'] ... ], schema=["geometry"]) >>> df.select(st_ymin(to_geography(df["geometry"])).alias("ymin")).collect() [Row(YMIN=0.0), Row(YMIN=0.0), Row(YMIN=29.999999999999943), Row(YMIN=-49.106605350869174)]