IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[foo_DBExportGroupSensors]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT'))
DROP FUNCTION [dbo].[foo_DBExportGroupSensors]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[foo_DBExportGroupSensors]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT'))
BEGIN
execute dbo.sp_executesql @statement = N'CREATE FUNCTION [dbo].[foo_DBExportGroupSensors]
(
	@TestObjectId varchar(50)
)
RETURNS xml
AS
BEGIN
	RETURN isnull((SELECT      [SensorId]
							  ,[LocalOnly]
							  ,[DASId]
							  ,[DASSerialNumber]
							  ,[ISOChannel]
							  ,[ISOChannelId]
							  ,[ChannelId]
							  ,[ChannelIdx]
							  ,[ZoneId]
						from
						(SELECT	  [SensorId]
								  ,Sensor.[LocalOnly]
								  ,d.DASId
								  ,d.SerialNumber		as ''DASSerialNumber''
								  ,Sensor.ISOChannel
								  ,Sensor.ISOChannelId
								  ,Sensor.ChannelId
								  ,Sensor.ChannelIdx
								  ,Sensor.ZoneId
					  FROM [dbo].[TestObjectSensors] Sensor 
					  inner join [dbo].[DAS] d on d.DASId = Sensor.DASId
					  where TestObjectId = @TestObjectId) Sensor
					  for xml auto, BINARY BASE64, root (''Sensors'')), ''<Sensors />'')


END

' 
END

GO