COPY THIS INTO SQL SERVER
--TABLE
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[ETL_Days_Off](
[DayOffID] [int] IDENTITY(1,1) NOT NULL,
[DayOff] [date] NOT NULL,
CONSTRAINT [PK_ETL_DAYS_OFF] PRIMARY KEY CLUSTERED
(
[DayOffID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
--DATA
DayOffID DayOff
1 2014-04-17
3 2014-04-18
--FUNCTION
IF OBJECT_ID (N'dbo.NextAvailableDay', N'FN') IS NOT NULL
DROP FUNCTION dbo.NextAvailableDay;
GO
CREATE FUNCTION dbo.NextAvailableDay (@Date datetime)
RETURNS DATETIME
WITH EXECUTE AS CALLER
AS
BEGIN
DECLARE @OK BIT = 0
WHILE (@OK = 0)
BEGIN
SELECT @Date = @Date + 1
IF ((SELECT COUNT(1) FROM ETL_Days_Off WHERE DayOff = @Date) = 0
AND (SELECT DATEPART(DW, @Date)) <> '6' --SABADO
AND (SELECT DATEPART(DW, @Date)) <> '7') --DOMINGO
SELECT @OK = 1
END
RETURN(DATEADD(HOUR,9,@Date));
END;
GO
--CALL
SET DATEFIRST 1;
SELECT dbo.NextAvailableDay(CONVERT(DATETIME,'04/16/2014',101)) AS 'ISO Week';
