Convert and CAst

  • I am trying to get the begining and end of a fiscal year based on User input date.

    @para is a date in table based on which the fiscal year as to be calculated.

    User date will be compared with @para and then the fiscal year calculated.

    Scenario :

    If @para is 2014-02-01 then

    Begfiscal will be 2013-02-01

    Endfiscal will be 2012-01-31

    I am able to get the begining year but the End year is causing a problem.

    Here is logic which gets me to Fiscal End year as 2012-02-01 . Don't know how to remove another day....

    Please advise

    CASE

    WHEN CONVERT ( DATETIME, CONVERT ( VARCHAR(5), @para, 1 ) + '/' + CAST ( YEAR ( @UserInputDt ) AS VARCHAR ), 101 ) <= @UserInputDt

    THEN

    CONVERT ( DATETIME, CONVERT ( VARCHAR(5), @para, 1 ) + '/' + CAST ( YEAR ( @UserInputDt ) + 1 AS VARCHAR ), 101 )

    ELSE

    CONVERT ( DATETIME, CONVERT ( VARCHAR(5), @para, 1 ) + '/' + CAST ( YEAR ( @UserInputDt ) AS VARCHAR ), 101 )

    END AS FiscalEndDt

  • Your scenario isn't entirely clear to me.

    You do not explain what the value @UserInputDt has to do with @para (=2014-02-01).

    Why is the result for Begfiscal 2013-02-01 and for Endfiscal 2012-01-31?

    Wouldn't it be easier to use datetime functions (such as dateadd) instead of manipulating strings?

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  • As Koen said, date functions are much better for this than manipulating strings.

    Based on your example, this is a way to calculate it.

    DECLARE @para date = '20140201'

    SELECT @para,

    DATEADD( YEAR, -1, @para) Begfiscal,

    DATEADD( DAY, -1, DATEADD( YEAR, -2, @para)) Endfiscal

    Luis C.
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