PerfDataWithAverageReductionFromTableValuedParamGet.SP.sql (Resource)

Element properties:

Source Code:

<Resource ID="PerfDataWithAverageReductionFromTableValuedParamGet.SP.sql" Accessibility="Internal" FileName="PerfDataWithAverageReductionFromTableValuedParamGet.SP.sql"/>

File Content: PerfDataWithAverageReductionFromTableValuedParamGet.SP.sql

IF NOT EXISTS (SELECT * FROM sys.types WHERE name = 'Microsoft_SystemCenter_Visualization_Library_RawValuesTableType' AND schema_id = SCHEMA_ID('SDK'))


BEGIN


    EXECUTE ('CREATE TYPE SDK.Microsoft_SystemCenter_Visualization_Library_RawValuesTableType AS TABLE (	DataPointTime datetime, Value float )')


END


GO





IF NOT EXISTS (SELECT * FROM sysobjects WHERE type = 'P' AND name = 'Microsoft_SystemCenter_Visualization_Library_PerfDataWithAverageReductionFromTableValuedParamGet' AND UID = SCHEMA_ID('SDK'))


BEGIN


    EXECUTE ('CREATE PROCEDURE SDK.Microsoft_SystemCenter_Visualization_Library_PerfDataWithAverageReductionFromTableValuedParamGet AS RETURN 1')


END


GO





ALTER PROCEDURE [SDK].[Microsoft_SystemCenter_Visualization_Library_PerfDataWithAverageReductionFromTableValuedParamGet]


     @StartTime datetime


    ,@EndTime datetime


    ,@NumberOfDataPoints int


    ,@TableValuedParam SDK.Microsoft_SystemCenter_Visualization_Library_RawValuesTableType READONLY





AS


BEGIN


    SET NOCOUNT ON





    DECLARE


         @ErrorInd         bit


        ,@ErrorMessage     nvarchar(max)


        ,@ErrorNumber      int


        ,@ErrorSeverity    int


        ,@ErrorState       int


        ,@ErrorLine        int


        ,@ErrorProcedure   nvarchar(256)


        ,@ErrorMessageText nvarchar(max)





    SET @ErrorInd = 0





/* ------------------------------ */





    DECLARE @Error int


    DECLARE @ExecError int





    BEGIN TRY





        -- Create ##SubIntervalsTable to contain the startTime, endTime and the average


        -- value of the sub intervals.





		CREATE TABLE #SubIntervalsTable(


			startTime DateTime,


			endTime DateTime,


			averageValue float)





		DECLARE @IxSubInterval int = 0


		DECLARE @IntervalLength int


		DECLARE @DeltaSeconds int





		SELECT @DeltaSeconds = DATEDIFF(second, @StartTime, @EndTime)





		DECLARE @startSubIntervalDatetime datetime = @StartTime


		DECLARE @endSubIntervalDatetime datetime


		DECLARE @averageValue float





		SET @IntervalLength = (@DeltaSeconds / @NumberOfDataPoints)





		WHILE (@IxSubInterval < @NumberOfDataPoints)


		BEGIN





		   SET @endSubIntervalDatetime = DATEADD(second, @IntervalLength-1, @startSubIntervalDatetime)





		   INSERT INTO #SubIntervalsTable VALUES (@startSubIntervalDatetime, @endSubIntervalDatetime, null)





		   SET @startSubIntervalDatetime = DATEADD(second, @IntervalLength, @startSubIntervalDatetime)





		   SET @IxSubInterval = @IxSubInterval + 1


		END





		SELECT S.startTime, AVG(P.Value) FROM #SubIntervalsTable S


		LEFT OUTER JOIN  @TableValuedParam P


		ON ((P.DataPointTime >= S.startTime) AND (P.DataPointTime < S.endTime) )


		GROUP BY S.startTime


		ORDER BY S.startTime








    END TRY


    BEGIN CATCH


        IF (@@TRANCOUNT > 0)


            ROLLBACK TRAN





        SELECT


             @ErrorNumber = ERROR_NUMBER()


            ,@ErrorSeverity = ERROR_SEVERITY()


            ,@ErrorState = ERROR_STATE()


            ,@ErrorLine = ERROR_LINE()


            ,@ErrorProcedure = ISNULL(ERROR_PROCEDURE(), '-')


            ,@ErrorMessageText = ERROR_MESSAGE()





        SET @ErrorInd = 1


    END CATCH





    -- report error if any


    IF (@ErrorInd = 1)


    BEGIN


        DECLARE @AdjustedErrorSeverity int





        SET @AdjustedErrorSeverity = CASE


                                         WHEN @ErrorSeverity > 18 THEN 18


                                         ELSE @ErrorSeverity


        END





        RAISERROR (777971002, @AdjustedErrorSeverity, 1


            ,@ErrorNumber


            ,@ErrorSeverity


            ,@ErrorState


            ,@ErrorProcedure


            ,@ErrorLine


            ,@ErrorMessageText


        )


    END


END


GO





GRANT EXECUTE ON [SDK].[Microsoft_SystemCenter_Visualization_Library_PerfDataWithAverageReductionFromTableValuedParamGet] TO OpsMgrReader


GRANT EXECUTE ON TYPE::[SDK].[Microsoft_SystemCenter_Visualization_Library_RawValuesTableType] TO OpsMgrReader


GO