snowflake.snowpark.functions.haversine¶

snowflake.snowpark.functions.haversine(lat1: Union[snowflake.snowpark.column.Column, str], lon1: Union[snowflake.snowpark.column.Column, str], lat2: Union[snowflake.snowpark.column.Column, str], lon2: Union[snowflake.snowpark.column.Column, str]) → Column[source]¶

Calculates the great circle distance in kilometers between two points on Earth using the Haversine formula.

Parameters:

• lat1 (ColumnOrName) – The latitude of the first point in degrees.

• lon1 (ColumnOrName) – The longitude of the first point in degrees.

• lat2 (ColumnOrName) – The latitude of the second point in degrees.

• lon2 (ColumnOrName) – The longitude of the second point in degrees.

Returns:

The distance in kilometers between the two points.

Return type:

Column

Example:

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>>> df = session.create_dataframe([[40.7127, -74.0059, 34.0500, -118.2500]], schema=["lat1", "lon1", "lat2", "lon2"])
>>> df.select(haversine(df["lat1"], df["lon1"], df["lat2"], df["lon2"]).alias("distance")).collect()
[Row(DISTANCE=3936.3850963892937)]

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