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USE [Vertragsverwaltung_20160404]
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GO
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/****** Object: UserDefinedFunction [dbo].[Get_Next_Kuendigungstermin] Script Date: 02.12.2016 09:08:53 ******/
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DROP FUNCTION [dbo].[Get_Next_Kuendigungstermin]
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GO
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/****** Object: UserDefinedFunction [dbo].[Get_Next_Kuendigungstermin] Script Date: 02.12.2016 09:08:55 ******/
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SET ANSI_NULLS ON
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GO
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SET QUOTED_IDENTIFIER ON
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GO
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-- =============================================
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-- Author: <Author,,Name>
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-- Create date: <Create Date, ,>
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-- Description: <Description, ,>
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-- =============================================
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Create FUNCTION [dbo].[Get_Next_Kuendigungstermin]
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(@ereignisnr int)
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Returns datetime AS
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BEGIN
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declare @start as datetime
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declare @ende as datetime
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declare @periode as integer
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declare @workdate datetime
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select @start=start, @ende=ende, @periode=periodizitaetnr from vertragsereignis where ereignisnr=@ereignisnr
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if @ende < '01.01.1901' set @ende='31.12.2099'
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if @periode = 15 begin
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select @start=datum, @ende=ende, @periode=periodizitaetnr from vertragsereignis where ereignisnr=@ereignisnr
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if @start > getdate()
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set @workdate=@start
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return @workdate
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end
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--PeriodizitaetNr Bezeichnung--
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--9 jährlich
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--10 täglich
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--11 wöchentlich
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--12 monatlich
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--13 zwei-monatlich
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--14 halb-jährlich
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--15 einmalig
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--16 vierteljährlich
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set @workdate = @start
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while @workdate < @ende and @workdate < getdate() begin
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if @periode = 9 set @workdate=dateadd(yy,1,@workdate)
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if @periode = 10 set @workdate=dateadd(dd,1,@workdate)
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if @periode = 11 set @workdate=dateadd(ww,1,@workdate)
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if @periode = 12 set @workdate=dateadd(mm,1,@workdate)
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if @periode = 13 set @workdate=dateadd(mm,2,@workdate)
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if @periode = 14 set @workdate=dateadd(mm,6,@workdate)
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if @periode = 16 set @workdate=dateadd(qq,1,@workdate)
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end
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if @workdate > @ende set @workdate='01.01.1900'
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return @workdate
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end
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GO
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