[GH-2830] Add python / scala tests and add SRID-preservation tests for geography functions (#2870)

Author: zhangfengcdt

python/sedona/spark/sql/st_constructors.py

@@ -192,6 +192,123 @@ def ST_GeogFromWKT(
     return _call_constructor_function("ST_GeogFromWKT", args)
 
 
+@validate_argument_types
+def ST_GeogFromText(
+    wkt: ColumnOrName, srid: Optional[ColumnOrNameOrNumber] = None
+) -> Column:
+    """Generate a geography column from a Well-Known Text (WKT) string column.
+    This is an alias of ST_GeogFromWKT.
+
+    :param wkt: WKT string column to generate from.
+    :type wkt: ColumnOrName
+    :return: Geography column representing the WKT string.
+    :rtype: Column
+    """
+    args = (wkt) if srid is None else (wkt, srid)
+
+    return _call_constructor_function("ST_GeogFromText", args)
+
+
+@validate_argument_types
+def ST_GeogFromWKB(
+    wkb: ColumnOrName, srid: Optional[ColumnOrNameOrNumber] = None
+) -> Column:
+    """Generate a geography column from a Well-Known Binary (WKB) binary column.
+
+    :param wkb: WKB binary column to generate from.
+    :type wkb: ColumnOrName
+    :return: Geography column representing the WKB binary.
+    :rtype: Column
+    """
+    args = (wkb) if srid is None else (wkb, srid)
+
+    return _call_constructor_function("ST_GeogFromWKB", args)
+
+
+@validate_argument_types
+def ST_GeogFromEWKB(wkb: ColumnOrName) -> Column:
+    """Generate a geography column from an OGC Extended Well-Known Binary (EWKB) binary column.
+
+    :param wkb: EWKB binary column to generate from.
+    :type wkb: ColumnOrName
+    :return: Geography column representing the EWKB binary.
+    :rtype: Column
+    """
+    return _call_constructor_function("ST_GeogFromEWKB", wkb)
+
+
+@validate_argument_types
+def ST_GeogFromEWKT(ewkt: ColumnOrName) -> Column:
+    """Generate a geography column from an OGC Extended Well-Known Text (EWKT) string column.
+
+    :param ewkt: EWKT string column to generate from.
+    :type ewkt: ColumnOrName
+    :return: Geography column representing the EWKT string.
+    :rtype: Column
+    """
+    return _call_constructor_function("ST_GeogFromEWKT", ewkt)
+
+
+@validate_argument_types
+def ST_GeogFromGeoHash(
+    geohash: ColumnOrName, precision: Optional[Union[ColumnOrName, int]] = None
+) -> Column:
+    """Generate a geography column from a geohash column at a specified precision.
+
+    :param geohash: Geohash string column to generate from.
+    :type geohash: ColumnOrName
+    :param precision: Geohash precision to use, either an integer or an integer column.
+    :type precision: Union[ColumnOrName, int]
+    :return: Geography column representing the supplied geohash and precision level.
+    :rtype: Column
+    """
+    args = (geohash) if precision is None else (geohash, precision)
+
+    return _call_constructor_function("ST_GeogFromGeoHash", args)
+
+
+@validate_argument_types
+def ST_GeogCollFromText(
+    wkt: ColumnOrName, srid: Optional[ColumnOrNameOrNumber] = None
+) -> Column:
+    """Generate a GeometryCollection geography from a GeometryCollection WKT representation.
+
+    :param wkt: GeometryCollection WKT string column to generate from.
+    :type wkt: ColumnOrName
+    :param srid: SRID for the geography.
+    :type srid: ColumnOrNameOrNumber
+    :return: GeometryCollection geography generated from the wkt column.
+    :rtype: Column
+    """
+    args = (wkt) if srid is None else (wkt, srid)
+
+    return _call_constructor_function("ST_GeogCollFromText", args)
+
+
+@validate_argument_types
+def ST_GeogToGeometry(geog: ColumnOrName) -> Column:
+    """Convert a geography column into a geometry column.
+
+    :param geog: Geography column to convert.
+    :type geog: ColumnOrName
+    :return: Geometry column representing the geography.
+    :rtype: Column
+    """
+    return _call_constructor_function("ST_GeogToGeometry", geog)
+
+
+@validate_argument_types
+def ST_GeomToGeography(geom: ColumnOrName) -> Column:
+    """Convert a geometry column into a geography column.
+
+    :param geom: Geometry column to convert.
+    :type geom: ColumnOrName
+    :return: Geography column representing the geometry.
+    :rtype: Column
+    """
+    return _call_constructor_function("ST_GeomToGeography", geom)
+
+
 @validate_argument_types
 def ST_GeomFromEWKT(ewkt: ColumnOrName) -> Column:
     """Generate a geometry column from a OGC Extended Well-Known Text (WKT) string column.