GetAggregatedPerformanceSeries.SP.sql (Resource)

Element properties:

TypeResource
File NameGetAggregatedPerformanceSeries.SP.sql
AccessibilityInternal

Source Code:

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

File Content: GetAggregatedPerformanceSeries.SP.sql

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

BEGIN
EXECUTE ('CREATE PROCEDURE SDK.Microsoft_SystemCenter_Visualization_Library_GetAggregatedPerformanceSeries AS RETURN 1')
END
GO

ALTER PROCEDURE [sdk].[Microsoft_SystemCenter_Visualization_Library_GetAggregatedPerformanceSeries]
@ManagementGroup uniqueidentifier
,@StartTime datetime
,@EndTime datetime
,@SeriesCollectionXml nvarchar(max)
,@NumberOfDataPoints int
,@AggregationType int
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

IF ((@AggregationType != 1) AND ((@AggregationType != 2)))
BEGIN
RAISERROR (777971002, 16, 1
,0
,0
,0
,N'SDK.Microsoft_SystemCenter_Visualization_Library_GetAggregatedPerformanceSeries'
,0
,N'Not supported aggregation type. Only 1 and 2 are supported.'
)
END

CREATE TABLE #SeriesTable(
MEId nvarchar(64),
ManagedEntityRowId int,
PerfRuleInstanceRowId int)

-- Parse the @SeriesCollectionXml to get the ME ID's and PerfRuleInstanceRowId's
DECLARE @xmlhandle int

EXEC @ExecError = sp_xml_preparedocument @xmlhandle OUTPUT, @SeriesCollectionXml

IF NOT @ExecError = 0
RAISERROR(777971000, 16, 1
,'SeriesCollectionXml'
,@ExecError)

-- Get the series information and resolve the ME and MG GUIDs to RowIds
INSERT INTO #SeriesTable (MEId, ManagedEntityRowId, PerfRuleInstanceRowId)
SELECT MEId, ME.ManagedEntityRowId, PerfRuleInstanceRowId
FROM
OPENXML(@xmlhandle, '/SeriesCollection/Series', 2)
WITH
(MEId nvarchar(64),
PerfRuleInstanceRowId int)
JOIN vManagementGroup as MG
ON MG.ManagementGroupGuid = @ManagementGroup
JOIN vManagedEntity as ME
ON MEId = ME.ManagedEntityGuid AND ME.ManagementGroupRowId = MG.ManagementGroupRowId

-- 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

-- Horizontally aggregate each series down to the requested number of data points,
-- This is done by dividing the time period into @NumberOfDataPoints even time slices
-- and averaging the points in each time slice.
CREATE TABLE #DatapointsTable(
SampleTime DateTime,
SampleValue float)

IF (@IntervalLength < 7200)
BEGIN
-- Intervals are too small for hourly, use raw
INSERT INTO #DatapointsTable
SELECT S.startTime, AVG(P.SampleValue) FROM #SubIntervalsTable S
LEFT OUTER JOIN [Perf].[vPerfRaw] P
ON (P.DateTime >= S.startTime) AND (P.DateTime < S.endTime)
INNER JOIN #SeriesTable ST
ON (P.ManagedEntityRowId = ST.ManagedEntityRowId) AND (P.PerformanceRuleInstanceRowId = ST.PerfRuleInstanceRowId)
GROUP BY S.startTime, P.ManagedEntityRowId, P.PerformanceRuleInstanceRowId
ORDER BY S.startTime
END
ELSE IF (@IntervalLength < 172800)
BEGIN
-- Intervals are too small for daily, use hourly
INSERT INTO #DatapointsTable
SELECT S.startTime, AVG(P.AverageValue) FROM #SubIntervalsTable S
LEFT OUTER JOIN [Perf].[vPerfHourly] P
ON (P.DateTime >= S.startTime) AND (P.DateTime < S.endTime)
INNER JOIN #SeriesTable ST
ON (P.ManagedEntityRowId = ST.ManagedEntityRowId) AND (P.PerformanceRuleInstanceRowId = ST.PerfRuleInstanceRowId)
GROUP BY S.startTime, P.ManagedEntityRowId, P.PerformanceRuleInstanceRowId
ORDER BY S.startTime
END
ELSE
BEGIN
-- Intervals are longer than or equal to daily, so use them
INSERT INTO #DatapointsTable
SELECT S.startTime, AVG(P.AverageValue) FROM #SubIntervalsTable S
LEFT OUTER JOIN [Perf].[vPerfDaily] P
ON (P.DateTime >= S.startTime) AND (P.DateTime < S.endTime)
INNER JOIN #SeriesTable ST
ON (P.ManagedEntityRowId = ST.ManagedEntityRowId) AND (P.PerformanceRuleInstanceRowId = ST.PerfRuleInstanceRowId)
GROUP BY S.startTime, P.ManagedEntityRowId, P.PerformanceRuleInstanceRowId
ORDER BY S.startTime
END

-- Vertically aggregate for each sample time according to the aggregation type:
-- @@AggregationType values
-- 1- Average
-- 2- Sum
IF (@AggregationType = 1)
BEGIN
SELECT DP.SampleTime, AVG(DP.SampleValue) from #DatapointsTable DP
GROUP BY DP.SampleTime
END
ELSE IF (@AggregationType = 2)
BEGIN
SELECT DP.SampleTime, SUM(DP.SampleValue) from #DatapointsTable DP
GROUP BY DP.SampleTime
END
ELSE
BEGIN
RAISERROR (777971002, 16, 1
,0
,0
,0
,N'SDK.Microsoft_SystemCenter_Visualization_Library_GetAggregatedPerformanceSeries'
,0
,N'Invalid RequestedDataPointType - only 1 and 2 are supported'
)
END

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_GetAggregatedPerformanceSeries] TO OpsMgrReader
GO