Wednesday 24 August 2016

MSSQL - How to generate range of Dates

There the text of VIEW to generate range of dates between 1.January 2000 and 31.December next year:

IF OBJECT_ID(N'dbo.calendar_dates') IS NOT NULL
  DROP VIEW  dbo.calendar_dates;
GO
/*
http://yabele.blogspot.de/2016/08/how-to-generate-range-of-dates.html
*/
CREATE VIEW dbo.calendar_dates
AS
WITH
  R10 AS (
    SELECT * FROM (VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10)) AS T(I)
  )
SELECT TOP(DATEDIFF(DAY, '2000-01-01', CAST(YEAR(GETDATE()) + 1 AS CHAR(4)) + '-12-31'))
  date_value = DATEADD(DAY, ROW_NUMBER() OVER(ORDER BY (SELECT 1)), '1999-12-31')
FROM
  R10 T1 CROSS JOIN R10 T2 CROSS JOIN R10 T3 CROSS JOIN R10 T4 CROSS JOIN R10 T5 CROSS JOIN R10 T6
/*
SELECT *
FROM dbo.calendar_dates
ORDER BY date_value;
*/
;

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