python/sedona/sql/types.py

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from pyspark.sql.types import UserDefinedType, BinaryType

from ..utils import geometry_serde


class GeometryType(UserDefinedType):

    @classmethod
    def sqlType(cls):
        return BinaryType()

    def serialize(self, obj):
        return geometry_serde.serialize(obj)

    def deserialize(self, datum):
        geom, offset = geometry_serde.deserialize(datum)
        return geom

    @classmethod
    def module(cls):
        return "sedona.sql.types"

    def needConversion(self):
        return True

    @classmethod
    def scalaUDT(cls):
        return "org.apache.spark.sql.sedona_sql.UDT.GeometryUDT"


class RasterType(UserDefinedType):

    @classmethod
    def sqlType(cls):
        return BinaryType()

    def serialize(self, obj):
        raise NotImplementedError("RasterType.serialize is not implemented yet")

    def deserialize(self, datum):
        raise NotImplementedError("RasterType.deserialize is not implemented yet")

    @classmethod
    def module(cls):
        return "sedona.sql.types"

    def needConversion(self):
        return True

    @classmethod
    def scalaUDT(cls):
        return "org.apache.spark.sql.sedona_sql.UDT.RasterUDT"