public override string AsGml(DbGeometry geometryValue)
        {
            CheckParameterNotNull("geometryValue", geometryValue);

            dynamic providerValue = geometryValue.ProviderValue;
            return providerValue.AsGml().Value;
        }

        public override DbGeometry Buffer(DbGeometry geometryValue, double distance)
        {
            CheckParameterNotNull("geometryValue", geometryValue);

            dynamic providerValue = geometryValue.ProviderValue;
            return GeometryFromProviderValue(providerValue.STBuffer(distance));
        }

        public override string AsText(DbGeometry geometryValue)
        {
            CheckParameterNotNull("geometryValue", geometryValue);

            dynamic providerValue = geometryValue.ProviderValue;
            return providerValue.STAsText().ToSqlString().Value;
        }

        public override byte[] AsBinary(DbGeometry geometryValue)
        {
            CheckParameterNotNull("geographyValue", geometryValue);

            dynamic providerValue = geometryValue.ProviderValue;
            return providerValue.STAsBinary().Value;
        }

    public override string AsText(DbGeometry geometryValue)
    {
      if (geometryValue == null)
        throw new ArgumentNullException("geometryValue");

      var providerValue = new MySqlGeometry();
      MySqlGeometry.TryParse(geometryValue.ProviderValue.ToString(), out providerValue);

      return providerValue.ToString();
    }

 private static ReadOnlySpatialValues CheckCompatible(DbGeometry geometryValue)
 {
     Debug.Assert(geometryValue != null, "Validate geometryValue is non-null before calling CheckCompatible");
     if (geometryValue != null)
     {
         ReadOnlySpatialValues expectedValue = geometryValue.ProviderValue as ReadOnlySpatialValues;
         if (expectedValue != null)
         {
             return expectedValue;
         }
     }
     throw SpatialExceptions.GeometryValueNotCompatibleWithSpatialServices("geometryValue");
 }

 public override DbGeometry InteriorRingAt(DbGeometry geometryValue, int index)
 {
     throw SpatialServicesUnavailable();
 }

 public override DbGeometry GetExteriorRing(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override DbGeometry GetCentroid(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override DbGeometry PointAt(DbGeometry geometryValue, int index)
 {
     throw SpatialServicesUnavailable();
 }

 public override bool? GetIsRing(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override byte[] AsBinary(DbGeometry geometryValue)
 {
     geometryValue.CheckNull("geometryValue");
     ReadOnlySpatialValues expectedValue = CheckCompatible(geometryValue);
     return expectedValue.CloneBinary();
 }

 public override string GetSpatialTypeName(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override DbGeometry GetEnvelope(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override int GetDimension(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override DbGeometry SymmetricDifference(DbGeometry geometryValue, DbGeometry otherGeometry)
 {
     throw SpatialServicesUnavailable();
 }

 public override double? GetYCoordinate(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override string AsGml(DbGeometry geometryValue)
 {
     geometryValue.CheckNull("geometryValue");
     ReadOnlySpatialValues expectedValue = CheckCompatible(geometryValue);
     return expectedValue.GML;
 }

 public override DbGeometry GetStartPoint(DbGeometry geometryValue)
 {
     throw SpatialServicesUnavailable();
 }

 public override bool Overlaps(DbGeometry geometryValue, DbGeometry otherGeometry)
 {
     throw SpatialServicesUnavailable();
 }