IoanPopovici
11/15/2019 - 9:23 AM
ufn_CM_GetNextMaintenanceWindow
/*
.SYNOPSIS
Gets the next maintenance window from a schedule token.
.DESCRIPTION
Gets the next maintenance window from a schedule token.
.PARAMETER ScheduleToken
Specifies the schedule token.
.PARAMETER RecurrenceType
Specifies the maintenance window recurrence type.
.EXAMPLE
SELECT dbo.ufn_CM_GetNextMaintenanceWindow('00811A9E081A2000', 3)
.NOTES
Created by Ioan Popovici
All credit goes to Adam Weigert and Ed Price for the original code. I only reformated it a bit.
Replace the <SITE_CODE> with your CM Site Code.
Run the code in SQL Server Management Studio.
.LINK
https://social.technet.microsoft.com/wiki/contents/articles/7870.sccm-2007-create-report-of-upcoming-maintenance-windows-by-client.aspx (Adam Weigert)
.LINK
https://SCCM.Zone
.LINK
https://SCCM.Zone/Issues
*/
/*##=============================================*/
/*## QUERY BODY */
/*##=============================================*/
/* #region QueryBody */
USE [CM_<SITE_CODE>]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER OFF
GO
/* Drop function if it exists */
IF OBJECT_ID('[dbo].[ufn_CM_GetNextMaintenanceWindow]') IS NOT NULL
BEGIN
DROP FUNCTION [dbo].[ufn_CM_GetNextMaintenanceWindow]
END
GO
CREATE FUNCTION [dbo].[ufn_CM_GetNextMaintenanceWindow](
@ScheduleToken AS CHAR(16)
, @RecurrenceType AS INT
)
RETURNS @NextServiceWindow TABLE (
ScheduleToken CHAR(16)
, RecurrenceType INT
, NextServiceWindow DATETIME
, Duration INT
, IsGMTTime BIT
)
AS
BEGIN
--1 Occurs on 1/1/2012 12:00 AM 00011A8500080000
--2 Occurs every 3 day(s) effective 1/1/2012 8:00 PM 02811A8040100018
--3 Occurs every 3 week(s) on Saturday effective 1/1/2012 8:00 PM 02811A80401F6000
--3 Occurs every 1 week(s) on Saturday effective 1/1/2012 8:00 PM 02811A80401F2000
--5 Occurs day 2 of every 2 month(s) effective 1/1/2012 8:00 PM 02811A8040288800
--5 Occurs day 31 of every 1 month(s) effective 1/1/2012 8:00 PM 02811A80402FC400
--5 Occurs the last day of every 3 months effective 1/1/2012 8:00 PM 02811A8040280C00
--5 Occurs the last day of every 1 months effective 1/1/2012 8:00 PM 02811A8040280400
--4 Occurs the Third Monday of every 1 month(s) effective 1/1/2012 4:00 AM 00811A9E08221600
--4 Occurs the Last Wednesday of every 1 month(s) effective 1/1/2012 8:00 PM 02811A8040241000
--4 Occurs the Fourth Wednesday of every 1 month(s) effective 1/1/2012 8:00 PM 02811A8040241800
--4 Occurs the Last Monday of every 1 month(s) effective 1/1/2012 8:00 PM 02811A8040221000
--3 Occurs every 1 week(s) on Monday effective 1/1/2012 4:00 AM 00811A9E081A2000
-- http://msdn.microsoft.com/en-us/library/cc143300.aspx Jump
DECLARE @RecurrenceType_NONE INT
, @RecurrenceType_DAILY INT
, @RecurrenceType_WEEKLY INT
, @RecurrenceType_MONTHLYBYWEEKDAY INT
, @RecurrenceType_MONTHLYBYDATE INT
SELECT @RecurrenceType_NONE = 1
, @RecurrenceType_DAILY = 2
, @RecurrenceType_WEEKLY = 3
, @RecurrenceType_MONTHLYBYWEEKDAY = 4
, @RecurrenceType_MONTHLYBYDATE = 5
-- http://msdn.microsoft.com/en-us/library/cc143505.aspx Jump
--DECLARE @RecurrenceType INT; SET @RecurrenceType = @RecurrenceType_WEEKLY
--DECLARE @ScheduleToken CHAR(16); SET @ScheduleToken = '00811A9E081A2000'
DECLARE @ScheduleStartTime INT; SET @ScheduleStartTime = CAST(CONVERT(BINARY(4), LEFT(@ScheduleToken, 8), 2) AS INT)
DECLARE @ScheduleDuration BIGINT; SET @ScheduleDuration = CAST(CONVERT(BINARY(4), RIGHT(@ScheduleToken, 8), 2) AS INT)
-- Duration is in minutes
DECLARE @Duration INT; SET @Duration = @ScheduleStartTime % POWER(2, 6)
-- Calculate the start time
DECLARE @StartTime DATETIME; SET @StartTime = CONVERT(DATETIME, '01/01/1970 00:00:00')
SET @StartTime = DATEADD(YEAR, (@ScheduleStartTime / POWER(2,6)) % POWER(2, 6), @StartTime)
SET @StartTime = DATEADD(MONTH, ((@ScheduleStartTime / POWER(2,12)) % POWER(2, 4)) - 1, @StartTime)
SET @StartTime = DATEADD(DAY, ((@ScheduleStartTime / POWER(2,16)) % POWER(2, 5)) - 1, @StartTime)
SET @StartTime = DATEADD(HOUR, (@ScheduleStartTime / POWER(2,21)) % POWER(2, 5), @StartTime)
SET @StartTime = DATEADD(MINUTE, (@ScheduleStartTime / POWER(2,26)) % POWER(2, 5), @StartTime)
-- Determinte UTC and Flags
DECLARE @IsGMTTime BIT; SET @IsGMTTime = CAST(@ScheduleDuration % POWER(2, 1) AS BIT)
DECLARE @Flags INT; SET @Flags = (@ScheduleDuration / POWER(2,19)) % POWER(2, 3)
-- Calculate the total duration in minutes
SET @Duration = @Duration + ((@ScheduleDuration / POWER(2,22)) % POWER(2, 5)) * 24 * 60 -- DAYS
SET @Duration = @Duration + ((@ScheduleDuration / POWER(2,27)) % POWER(2, 5)) * 60 -- HOURS
DECLARE @Now DATETIME
IF @IsGMTTime = 1 BEGIN
SET @Now = GETUTCDATE()
END ELSE BEGIN
SET @Now = GETDATE()
END
DECLARE @NextMaintenanceWindow DATETIME
IF @RecurrenceType = @RecurrenceType_NONE BEGIN
IF DATEADD(MINUTE, @Duration, @StartTime) > @Now BEGIN
SET @NextMaintenanceWindow = @StartTime
END
END ELSE IF @RecurrenceType = @RecurrenceType_DAILY BEGIN
IF DATEADD(MINUTE, @Duration, @StartTime) > @Now BEGIN
SET @NextMaintenanceWindow = @StartTime
END ELSE BEGIN
-- Calculate the daily interval in minutes
DECLARE @DailyInterval INT
SET @DailyInterval = ((@ScheduleDuration / POWER(2,3)) % POWER(2, 5)) * 24 * 60
SET @DailyInterval = @DailyInterval + ((@ScheduleDuration / POWER(2,8)) % POWER(2, 5)) * 60
SET @DailyInterval = @DailyInterval + (@ScheduleDuration / POWER(2,13)) % POWER(2, 6)
-- Calculate the total number of completed intervals
DECLARE @DailyNumberOfCompletedIntervals INT; SET @DailyNumberOfCompletedIntervals = ROUND(CAST(DATEDIFF(MINUTE, @StartTime, @Now) AS DECIMAL) / @DailyInterval, 0, 0)
-- Calculate the next interval
DECLARE @DailyNextInterval DATETIME; SET @DailyNextInterval = DATEADD(MINUTE, @DailyNumberOfCompletedIntervals * @DailyInterval, @StartTime)
-- Recalc the next interval if the next interval plus the expected duration is in the past
IF DATEADD(MINUTE, @Duration, @DailyNextInterval) < @Now BEGIN
SET @DailyNextInterval = DATEADD(MINUTE, (@DailyNumberOfCompletedIntervals + 1) * @DailyInterval, @StartTime)
END
SET @NextMaintenanceWindow = @DailyNextInterval
END
END ELSE IF @RecurrenceType = @RecurrenceType_WEEKLY BEGIN
DECLARE @WeeklyInterval INT; SET @WeeklyInterval = (@ScheduleDuration / POWER(2,13)) % POWER(2, 3)
DECLARE @WeeklyDoW INT; SET @WeeklyDoW = (@ScheduleDuration / POWER(2,16)) % POWER(2, 3)
-- Adjust the start time to match the next day of week that matches the interval
DECLARE @WeeklyStartTime DATETIME; SET @WeeklyStartTime = DATEADD(DAY, (7 - DATEPART(WEEKDAY, @StartTime) + @WeeklyDoW % 7), @StartTime)
IF DATEADD(MINUTE, @Duration, @WeeklyStartTime) > @Now BEGIN
SET @NextMaintenanceWindow = @WeeklyStartTime
END ELSE BEGIN
-- Calculate the total number of completed intervals
DECLARE @WeeklyNumberOfCompletedIntervals INT; SET @WeeklyNumberOfCompletedIntervals = ROUND(CAST(DATEDIFF(WEEK, @WeeklyStartTime, @Now) AS DECIMAL) / @WeeklyInterval, 0, 0)
-- Calculate the next interval
DECLARE @WeeklyNextInterval DATETIME; SET @WeeklyNextInterval = DATEADD(WEEK, @WeeklyNumberOfCompletedIntervals * @WeeklyInterval, @WeeklyStartTime)
-- Recalc the next interval if the next interval plus the expected duration is in the past
IF DATEADD(MINUTE, @Duration, @WeeklyNextInterval) < @Now BEGIN
SET @WeeklyNextInterval = DATEADD(WEEK, (@WeeklyNumberOfCompletedIntervals + 1) * @WeeklyInterval, @WeeklyStartTime)
END
SET @NextMaintenanceWindow = @WeeklyNextInterval
END
END ELSE IF @RecurrenceType = @RecurrenceType_MONTHLYBYWEEKDAY BEGIN
DECLARE @MonthlyBWWeek INT; SET @MonthlyBWWeek = (@ScheduleDuration / POWER(2,9)) % POWER(2, 3)
DECLARE @MontlhyBWInterval INT; SET @MontlhyBWInterval = (@ScheduleDuration / POWER(2,12)) % POWER(2, 4)
DECLARE @MonthlyBWDoW INT; SET @MonthlyBWDoW = (@ScheduleDuration / POWER(2,16)) % POWER(2, 3)
-- Calculate the total number of completed intervals
DECLARE @MonthlyBWNumberOfCompletedIntervals INT; SET @MonthlyBWNumberOfCompletedIntervals = ROUND(CAST(DATEDIFF(MONTH, @StartTime, @Now) AS DECIMAL) / @MontlhyBWInterval, 0, 0)
IF @MonthlyBWWeek = 0 BEGIN
-- Calculate the next interval
DECLARE @MonthlyBWLDOMNextInterval DATETIME; SET @MonthlyBWLDOMNextInterval = DATEADD(MONTH, @MonthlyBWNumberOfCompletedIntervals * @MontlhyBWInterval, @StartTime)
-- Calculate last day of month
SET @MonthlyBWLDOMNextInterval = DATEADD(DAY, DATEDIFF(DAY, @MonthlyBWLDOMNextInterval, DATEADD(DAY, -1, DATEADD(M, DATEDIFF(MONTH, 0, @MonthlyBWLDOMNextInterval) + 1, 0))), @MonthlyBWLDOMNextInterval)
-- Calculate the last day of the week for the month
SET @MonthlyBWLDOMNextInterval = DATEADD(DAY, -(7 - DATEPART(WEEKDAY, @MonthlyBWLDOMNextInterval) + @MonthlyBWDoW % 7), @MonthlyBWLDOMNextInterval)
IF DATEADD(MINUTE, @Duration, @MonthlyBWLDOMNextInterval) < @Now BEGIN
-- Recalc for the next month interval
SET @MonthlyBWLDOMNextInterval = DATEADD(MONTH, (@MonthlyBWNumberOfCompletedIntervals + 1) * @MontlhyBWInterval, @StartTime)
-- Calculate last day of month
SET @MonthlyBWLDOMNextInterval = DATEADD(DAY, DATEDIFF(DAY, @MonthlyBWLDOMNextInterval, DATEADD(DAY, -1, DATEADD(M, DATEDIFF(MONTH, 0, @MonthlyBWLDOMNextInterval) + 1, 0))), @MonthlyBWLDOMNextInterval)
-- Calculate the last day of the week for the month
SET @MonthlyBWLDOMNextInterval = DATEADD(DAY, -(7 - DATEPART(WEEKDAY, @MonthlyBWLDOMNextInterval) + @MonthlyBWDoW % 7), @MonthlyBWLDOMNextInterval)
END
SET @NextMaintenanceWindow = @MonthlyBWLDOMNextInterval
END ELSE BEGIN
-- Calculate the next interval
DECLARE @MonthlyBWNextInterval DATETIME; SET @MonthlyBWNextInterval = DATEADD(MONTH, @MonthlyBWNumberOfCompletedIntervals * @MontlhyBWInterval, @StartTime)
-- Set the date to the first day of the month
SET @MonthlyBWNextInterval = DATEADD(DAY, -(DAY(@MonthlyBWNextInterval) - 1), @MonthlyBWNextInterval)
-- Set the date to the first day of week in the month
SET @MonthlyBWNextInterval = DATEADD(DAY, (7 - DATEPART(WEEKDAY, @MonthlyBWNextInterval) + @MonthlyBWDoW) % 7, @MonthlyBWNextInterval)
-- Calculate date based on the week number to add
SET @MonthlyBWNextInterval = DATEADD(WEEK, @MonthlyBWWeek-1, @MonthlyBWNextInterval)
IF DATEADD(MINUTE, @Duration, @MonthlyBWNextInterval) < @Now BEGIN
-- Recalc for the next month interval
SET @MonthlyBWNextInterval = DATEADD(MONTH, (@MonthlyBWNumberOfCompletedIntervals + 1) * @MontlhyBWInterval, @StartTime)
-- Set the date to the first day of the month
SET @MonthlyBWNextInterval = DATEADD(DAY, -(DAY(@MonthlyBWNextInterval) - 1), @MonthlyBWNextInterval)
-- Set the date to the first day of week in the month
SET @MonthlyBWNextInterval = DATEADD(DAY, (7 - DATEPART(WEEKDAY, @MonthlyBWNextInterval) + @MonthlyBWDoW % 7), @MonthlyBWNextInterval)
-- Calculate date based on the week number to add
SET @MonthlyBWNextInterval = DATEADD(WEEK, @MonthlyBWWeek-1, @MonthlyBWNextInterval)
END
SET @NextMaintenanceWindow = @MonthlyBWNextInterval
END
END ELSE IF @RecurrenceType = @RecurrenceType_MONTHLYBYDATE BEGIN
DECLARE @MontlhyBDInterval INT; SET @MontlhyBDInterval = (@ScheduleDuration / POWER(2,10)) % POWER(2, 4)
DECLARE @MonthlyBDDoM INT; SET @MonthlyBDDoM = (@ScheduleDuration / POWER(2,14)) % POWER(2, 5)
IF @MonthlyBDDoM = 0 BEGIN
/* This is the last day of month logic */
-- Calculate the total number of completed intervals
DECLARE @MonthlyBDLDOMNumberOfCompletedIntervals INT; SET @MonthlyBDLDOMNumberOfCompletedIntervals = ROUND(CAST(DATEDIFF(MONTH, @StartTime, @Now) AS DECIMAL) / @MontlhyBDInterval, 0, 0)
-- Calculate the next interval
DECLARE @MonthlyBDLDOMNextInterval DATETIME; SET @MonthlyBDLDOMNextInterval = DATEADD(MONTH, @MonthlyBDLDOMNumberOfCompletedIntervals * @MontlhyBDInterval, @StartTime)
-- Calculate last day of month
SET @MonthlyBDLDOMNextInterval = DATEADD(DAY, DATEDIFF(DAY, @MonthlyBDLDOMNextInterval, DATEADD(DAY, -1, DATEADD(M, DATEDIFF(MONTH, 0, @MonthlyBDLDOMNextInterval) + 1, 0))), @MonthlyBDLDOMNextInterval)
-- Recalc the next interval if the next interval plus the expected duration is in the past
IF DATEADD(MINUTE, @Duration, @MonthlyBDLDOMNextInterval) < @Now BEGIN
SET @MonthlyBDLDOMNextInterval = DATEADD(DAY, DATEDIFF(DAY, @MonthlyBDLDOMNextInterval, DATEADD(DAY, -1, DATEADD(M, DATEDIFF(MONTH, 0, DATEADD(MONTH, (@MonthlyBDLDOMNumberOfCompletedIntervals + 1) * @MontlhyBDInterval, @StartTime)) + 1, 0))), @MonthlyBDLDOMNextInterval)
END
SET @NextMaintenanceWindow = @MonthlyBDLDOMNextInterval
END ELSE BEGIN
-- Check to make sure we won't loop forever if more than 31 days some how ends up in the token
IF @MonthlyBDDoM > 31 SET @MonthlyBDDoM = 31
-- Adjust the start time to match the next day of month that matches the interval
DECLARE @MonthlyBDStartTime DATETIME; SET @MonthlyBDStartTime = DATEADD(DAY, (31 - DATEPART(DAY, @StartTime) + @MonthlyBDDoM % 31), @StartTime)
-- This loop is used multiple times to search for the next valid date that falls on the desired day of month
WHILE(DATEPART(DAY, @MonthlyBDStartTime) <> @MonthlyBDDoM) BEGIN
SET @MonthlyBDStartTime = DATEADD(DAY, (31 - DATEPART(DAY, @MonthlyBDStartTime) + @MonthlyBDDoM) % 31, @MonthlyBDStartTime)
END
IF DATEADD(MINUTE, @Duration, @MonthlyBDStartTime) > @Now BEGIN
SET @NextMaintenanceWindow = @MonthlyBDStartTime
END ELSE BEGIN
-- Calculate the total number of completed intervals
DECLARE @MonthlyBDNumberOfCompletedIntervals INT; SET @MonthlyBDNumberOfCompletedIntervals = ROUND(CAST(DATEDIFF(MONTH, @MonthlyBDStartTime, @Now) AS DECIMAL) / @MontlhyBDInterval, 0, 0)
-- Calculate the next interval
DECLARE @MonthlyBDNextInterval DATETIME; SET @MonthlyBDNextInterval = DATEADD(MONTH, @MonthlyBDNumberOfCompletedIntervals * @MontlhyBDInterval, @MonthlyBDStartTime)
WHILE(DATEPART(DAY, @MonthlyBDNextInterval) <> @MonthlyBDDoM) BEGIN
SET @MonthlyBDNextInterval = DATEADD(DAY, (31 - DATEPART(DAY, @MonthlyBDNextInterval) + @MonthlyBDDoM % 31), @MonthlyBDNextInterval)
END
-- Recalc the next interval if the next interval plus the expected duration is in the past
IF DATEADD(MINUTE, @Duration, @MonthlyBDNextInterval) < @Now BEGIN
SET @MonthlyBDNextInterval = DATEADD(MONTH, (@MonthlyBDNumberOfCompletedIntervals + 1) * @MontlhyBDInterval, @MonthlyBDNextInterval)
WHILE(DATEPART(DAY, @MonthlyBDNextInterval) <> @MonthlyBDDoM) BEGIN
SET @MonthlyBDNextInterval = DATEADD(DAY, (31 - DATEPART(DAY, @MonthlyBDNextInterval) + @MonthlyBDDoM % 31), @MonthlyBDNextInterval)
END
END
SET @NextMaintenanceWindow = @MonthlyBDNextInterval
END
END
END
/* Create result table */
INSERT INTO @NextServiceWindow VALUES (@ScheduleToken, @RecurrenceType, @NextMaintenanceWindow, @Duration, @IsGMTTime)
/* Return result */
RETURN
END
GO
/* Grant select rights for this function to CM reporting users */
GRANT SELECT ON OBJECT::dbo.ufn_CM_GetNextMaintenanceWindow TO smsschm_users;
GO
/* Grant select right for the vSMS_ServiceWindow view to CM reporting users */
GRANT SELECT ON OBJECT::dbo.vSMS_ServiceWindow TO smsschm_users;
GO
/* #endregion */
/*##=============================================*/
/*## END QUERY BODY */
/*##=============================================*/