CREATE PROCEDURE [dbo].[sp_SensorsChangeHistoryGet]
				@Id						INT	= NULL,
				@SerialNumber			NVARCHAR (50) = NULL
AS
BEGIN
	SET NOCOUNT ON;
	IF( @Id IS NULL)
	BEGIN
		IF NULLIF(@SerialNumber, '') IS NULL
		BEGIN
		     SELECT A.RecordId, A.SensorId, A.ChangeType, A.UserName, A.Timestamp, A.Value1, A.Value2, A.Value3, A.Value4, B.Name FROM SensorChangeHistory as A INNER JOIN SensorChangeType as B on A.ChangeType=B.Id
		END
		ELSE
		BEGIN
			 SELECT A.RecordId, A.SensorId, A.ChangeType, A.UserName, A.Timestamp, A.Value1, A.Value2, A.Value3, A.Value4, B.Name FROM SensorChangeHistory as A INNER JOIN SensorChangeType as B on A.ChangeType=B.Id INNER JOIN Sensors as C on A.SensorID=B.id WHERE C.SerialNumber=@SerialNumber
		END
	END
	ELSE
	BEGIN
		SELECT A.RecordId, A.SensorId, A.ChangeType, A.UserName, A.Timestamp, A.Value1, A.Value2, A.Value3, A.Value4, B.Name FROM SensorChangeHistory as A INNER JOIN SensorChangeType as B on A.ChangeType=B.Id INNER JOIN Sensors as C on A.SensorID=C.id WHERE C.id=@Id
	END
END