help me -CURSOR backward insert from End Date > to Start Date
how to insert dates from end to start
like this
SELECT 111111,1,CONVERT(DATETIME, '17/03/2008', 103), CONVERT(DATETIME, '01/03/2008'
i explain i have stord prosege that create mod cycle shift pattern
and it working ok
now i need to overturned the insert so the first insert is the '17/03/2008' to '16/03/2008' ..15...14..13..12...2...1
so the first insert be '17/03/2008' next '16/03/2008' ...........................01/03/2008
tnx - DECLARE
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@shifts_pattern TABLE ([PatternId] [int] IDENTITY(1,1 ) NOT NULL, [patternShiftValue] [int]NOT NULL)
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declare
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@I int
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set
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@i=0
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while
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@i < 5
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BEGIN
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INSERT INTO @shifts_pattern ([patternShiftValue] )
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SELECT 1 UNION ALL
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SELECT 2 UNION ALL
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SELECT 3 UNION ALL
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SELECT 4 UNION ALL
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SELECT 5 UNION ALL
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SELECT 6 UNION ALL
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SELECT 7 UNION ALL
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SELECT 8
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set
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@i=@i+1
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end
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declare
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@empList
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TABLE
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( [empID] [numeric](18, 0) NOT NULL,[ShiftType] [int]NULL,[StartDate][datetime]NOT NULL,[EndDate] [datetime] NOT NULL)
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INSERT INTO
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@empList ([empID], [ShiftType],[StartDate],[EndDate])
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SELECT 111111,1,CONVERT(DATETIME, '01/01/2008', 103), CONVERT(DATETIME, '17/01/2008', 103)
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-- create shifts table
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declare
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@empShifts
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TABLE ( [empID] [numeric](18, 0) NOT NULL,[ShiftDate] [datetime]NOT NULL,[ShiftType] [int]NULL ,[StartDate] [datetime]NOT NULL,[EndDate] [datetime]NOT NULL)
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DECLARE
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@StartDate datetime
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DECLARE
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@EndDate datetime
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Declare
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@current datetime
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DEclare
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@last_shift_id int
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Declare
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@input_empID int
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----------------- open list table for emp with curser
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DECLARE
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List_of_emp CURSOR FOR
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SELECT
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emp.empId,emp.ShiftType,emp.StartDate,emp.EndDate FROM @empList emp
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OPEN
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List_of_emp
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FETCH
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List_of_emp INTO @input_empID , @last_shift_id ,@StartDate,@EndDate
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SET @current = @StartDate
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-----------------
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-- loop on all emp in the list
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while
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@@Fetch_Status = 0
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begin
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-- loop to insert info of emp shifts
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while
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@current<=@EndDate
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begin
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INSERT INTO @empShifts ([empID],[ShiftDate],[ShiftType],[StartDate] ,[EndDate])
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select @input_empID ,@current,shift .patternShiftValue ,@StartDate,@EndDate
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from @shifts_pattern as shift where PatternId=@last_shift_id+1
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-- if it is Friday and we are on one of the first shift we don't move to next shift type .
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if (DATENAME(dw ,@current) = 'Friday' ) and
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EXISTS(select ShiftType from @empShifts where ShiftDate=@current and empID= @input_empID and ShiftType in ( 1,2,3))
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-- do nothing
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--set @last_shift_id=@last_shift_id
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print ('friday first shift')
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ELSE
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set @last_shift_id=@last_shift_id+ 1
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set @current=DATEADD( d,1, @current)
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end
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FETCH
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List_of_emp INTO @input_empID ,@last_shift_id,@StartDate,@EndDate
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-- init of start date for the next emp
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set
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@current = @StartDate
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end
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CLOSE
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List_of_emp
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DEALLOCATE
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List_of_emp
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select
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empID,shiftDate,DATENAME (dw,shift.ShiftDate ), shiftType from @empShifts as shift
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RETURN
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