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Update dbo.uf_DateCalc.UserDefinedFunction.sql
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‎dbo.uf_DateCalc.UserDefinedFunction.sql‎

Lines changed: 68 additions & 69 deletions
Original file line numberDiff line numberDiff line change
@@ -1,75 +1,74 @@
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IF OBJECT_ID('dbo.uf_DateCalc') IS NOT NULL DROP FUNCTION dbo.uf_DateCalc
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GO
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-- =============================================
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-- Author: Chad Baldwin
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-- Create date: 2017-04-13
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-- Description: Dates
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-- =============================================
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CREATE FUNCTION dbo.uf_DateCalc (
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@SeedDate DATE,
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@DateCode VARCHAR(5)
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CREATE OR ALTER FUNCTION dbo.uf_DateCalc (
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@SeedDate date = NULL,
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@DateCode varchar(5) = NULL
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)
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RETURNS @Return TABLE (
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Code VARCHAR(5),
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Label VARCHAR(100),
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BeginDate DATETIME,
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EndDate DATETIME,
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EndOfDayDate DATETIME
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RETURNS @Return table (
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Code varchar(5) NOT NULL,
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[Label] varchar(100) NOT NULL,
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BeginDate datetime2 NOT NULL,
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EndDateInclusiveDT datetime NOT NULL,
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EndDateInclusiveDT2 datetime2 NOT NULL,
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EndDateExclusive datetime2 NOT NULL
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)
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AS
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BEGIN
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SELECT @SeedDate = COALESCE(@SeedDate, GETDATE())
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INSERT INTO @Return (Code, Label, BeginDate, EndDate, EndOfDayDate)
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SELECT Code = x.Code
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, Label = CONVERT(VARCHAR(100), x.[Period])
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, BeginDate = CONVERT(DATETIME, x.BeginDate)
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, EndDate = CONVERT(DATETIME, x.EndDate)
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, EndOfDayDate = x.EndDate + CONVERT(DATETIME, '23:59:59.997')
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FROM (
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SELECT Today = CONVERT(DATETIME, @SeedDate) --Reporting on last complete day
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) t
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CROSS APPLY (SELECT DiffYY = DATEDIFF(yy, 0, t.Today)
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, DiffMM = DATEDIFF(mm, 0, t.Today)
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, DiffWK = DATEDIFF(wk, 0, t.Today)
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, DiffDD = DATEDIFF(dd, 0, t.Today)
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, DiffQQ = DATEDIFF(qq, 0, t.Today)
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) y
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CROSS APPLY (
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VALUES ('D' , 'Day' , t.Today , t.Today )
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, ('M' , 'Month' , DATEADD(mm, y.DiffMM, 0) , DATEADD(mm, y.DiffMM + 1, 0) - 1 )
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, ('MTD' , 'Month To Date' , DATEADD(mm, y.DiffMM, 0) , t.Today )
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, ('Q' , 'Quarter' , DATEADD(qq, y.DiffQQ, 0) , DATEADD(qq, y.DiffQQ + 1, 0) - 1 )
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, ('QTD' , 'Quarter to Date' , DATEADD(qq, y.DiffQQ, 0) , t.Today )
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, ('YTD' , 'Year To Date' , DATEADD(yy, y.DiffYY, 0) , t.Today )
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BEGIN;
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SELECT @SeedDate = COALESCE(@SeedDate, GETDATE());
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, ('PD' , 'Previous Day' , t.Today - 1 , t.Today - 1 )
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, ('PW' , 'Previous Week' , DATEADD(wk, y.DiffWK - 1, 0) , DATEADD(wk, y.DiffWK, 0) - 1 )
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, ('PM' , 'Previous Month' , DATEADD(mm, y.DiffMM - 1, 0) , DATEADD(mm, y.DiffMM, 0) - 1 )
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, ('PMTD' , 'Previous Month to Date' , DATEADD(mm, y.DiffMM - 1, 0) , DATEADD(mm, -1, t.Today) )
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, ('PQ' , 'Previous Quarter' , DATEADD(qq, y.DiffQQ - 1, 0) , DATEADD(qq, y.DiffQQ, 0) - 1 )
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, ('PQTD' , 'Previous Quarter to Date' , DATEADD(qq, y.DiffQQ - 1, 0) , DATEADD(qq, -1, t.Today) )
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, ('PYQ' , 'Previous Year Quarter' , DATEADD(qq, y.DiffQQ - 4, 0) , DATEADD(qq, y.DiffQQ - 3, 0) - 1 )
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, ('PYQTD' , 'Previous Year Quarter to Date' , DATEADD(qq, y.DiffQQ - 4, 0) , DATEADD(yy, -1, t.Today) )
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, ('PY' , 'Previous Year' , DATEADD(yy, y.DiffYY - 1, 0) , DATEADD(yy, y.DiffYY, 0) - 1 )
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, ('PYTD' , 'Previous Year to Date' , DATEADD(yy, y.DiffYY - 1, 0) , DATEADD(yy, -1, t.Today) )
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WITH cte_Dates AS (
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SELECT DiffYY = DATEDIFF(yy, 0, @SeedDate)
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, DiffMM = DATEDIFF(mm, 0, @SeedDate)
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, DiffWK = DATEDIFF(wk, 0, @SeedDate)
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, DiffDD = DATEDIFF(dd, 0, @SeedDate)
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, DiffQQ = DATEDIFF(qq, 0, @SeedDate)
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)
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INSERT INTO @Return (Code, [Label], BeginDate, EndDateInclusiveDT, EndDateInclusiveDT2, EndDateExclusive)
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SELECT Code = x.Code
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, [Label] = CONVERT(varchar(100), x.[Period])
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, BeginDate = CONVERT(datetime2, x.BeginDate)
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, EndDateInclusiveDT = DATEADD(MILLISECOND, -3, DATEADD(DAY, 1, CONVERT(datetime, x.EndDate)))
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, EndDateInclusiveDT2 = DATEADD(NANOSECOND, -100, DATEADD(DAY, 1, CONVERT(datetime2, x.EndDate))) -- +1 day -1 tick
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, EndDateExclusive = DATEADD(DAY, 1, CONVERT(datetime2, x.EndDate))
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FROM cte_Dates t
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CROSS APPLY (
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VALUES ('CD' , 'Current Day' , @SeedDate , @SeedDate )
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, ('CM' , 'Current Month' , DATEADD(mm, t.DiffMM, 0) , DATEADD(dd, -1, DATEADD(mm, t.DiffMM + 1, 0)) )
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, ('CMTD' , 'Current Month To Date' , DATEADD(mm, t.DiffMM, 0) , @SeedDate )
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, ('CQ' , 'Current Quarter' , DATEADD(qq, t.DiffQQ, 0) , DATEADD(dd, -1, DATEADD(qq, t.DiffQQ + 1, 0)) )
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, ('CQTD' , 'Current Quarter to Date' , DATEADD(qq, t.DiffQQ, 0) , @SeedDate )
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, ('CY' , 'Current Year' , DATEADD(yy, t.DiffYY, 0) , DATEADD(dd, -1, DATEADD(yy, t.DiffYY + 1, 0)) )
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, ('CYTD' , 'Current Year To Date' , DATEADD(yy, t.DiffYY, 0) , @SeedDate )
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, ('L7D' , 'Last 7 days' , t.Today - ( 7 - 1) , t.Today )
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, ('L14D' , 'Last 14 days' , t.Today - (14 - 1) , t.Today )
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, ('L21D' , 'Last 21 days' , t.Today - (21 - 1) , t.Today )
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, ('L28D' , 'Last 28 days' , t.Today - (28 - 1) , t.Today )
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, ('L30D' , 'Last 30 days' , t.Today - (30 - 1) , t.Today )
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, ('L60D' , 'Last 60 days' , t.Today - (60 - 1) , t.Today )
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, ('L90D' , 'Last 90 days' , t.Today - (90 - 1) , t.Today )
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, ('PD' , 'Previous Day' , DATEADD(dd, -1, @SeedDate) , DATEADD(dd, -1, @SeedDate) )
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-- , ('PW' , 'Previous Week' , DATEADD(wk, y.DiffWK - 1, 0) , DATEADD(dd, -1, DATEADD(wk, y.DiffWK, 0)) ) -- Removed temporarily - for some reason defaults to Monday as first day of week, despite DATEFIRST setting
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, ('PM' , 'Previous Month' , DATEADD(mm, t.DiffMM - 1, 0) , DATEADD(dd, -1, DATEADD(mm, t.DiffMM, 0)) )
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, ('PMTD' , 'Previous Month to Date' , DATEADD(mm, t.DiffMM - 1, 0) , DATEADD(mm, -1, @SeedDate) )
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, ('PQ' , 'Previous Quarter' , DATEADD(qq, t.DiffQQ - 1, 0) , DATEADD(dd, -1, DATEADD(qq, t.DiffQQ, 0)) )
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, ('PQTD' , 'Previous Quarter to Date' , DATEADD(qq, t.DiffQQ - 1, 0) , DATEADD(qq, -1, @SeedDate) )
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, ('PYQ' , 'Previous Year Quarter' , DATEADD(qq, t.DiffQQ - 4, 0) , DATEADD(dd, -1, DATEADD(qq, t.DiffQQ - 3, 0)) )
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, ('PYQTD' , 'Previous Year Quarter to Date' , DATEADD(qq, t.DiffQQ - 4, 0) , DATEADD(yy, -1, @SeedDate) )
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, ('PY' , 'Previous Year' , DATEADD(yy, t.DiffYY - 1, 0) , DATEADD(dd, -1, DATEADD(yy, t.DiffYY, 0)) )
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, ('PYTD' , 'Previous Year to Date' , DATEADD(yy, t.DiffYY - 1, 0) , DATEADD(yy, -1, @SeedDate) )
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) x(Code, [Period], BeginDate, EndDate)
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WHERE x.Code = @DateCode OR @DateCode IS NULL
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UNION
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SELECT Code = UPPER(@DateCode)
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, [Label] = CONCAT_WS(' ', CASE LEFT(@DateCode, 1) WHEN 'L' THEN 'Last' WHEN 'P' THEN 'Previous' ELSE NULL END, t.[Value], 'days')
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, BeginDate = CONVERT(datetime2, x.BeginDate)
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, EndDateInclusiveDT = DATEADD(MILLISECOND, -3, DATEADD(DAY, 1, CONVERT(datetime, x.EndDate)))
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, EndDateInclusiveDT2 = DATEADD(NANOSECOND, -100, DATEADD(DAY, 1, CONVERT(datetime2, x.EndDate))) -- +1 day -1 tick
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, EndDateExclusive = DATEADD(DAY, 1, CONVERT(datetime2, x.EndDate))
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FROM (
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SELECT [Value] = CONVERT(int, SUBSTRING(@DateCode, 2, LEN(@DateCode)-2))
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, Multiplier = IIF(LEFT(@DateCode, 1) = 'P', 2, 1)
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) t
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CROSS APPLY (
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SELECT BeginDate = DATEADD(DAY , -((t.[Value] * t.Multiplier)-1), @SeedDate)
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, EndDate = DATEADD(DAY , -(t.[Value] * (t.Multiplier-1)), @SeedDate)
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) x
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WHERE @DateCode LIKE '[LP][0-9]D'
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OR @DateCode LIKE '[LP][0-9][0-9]D'
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OR @DateCode LIKE '[LP][0-9][0-9][0-9]D';
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-- , ('L2M' , 'Last 2 months' , DATEADD(mm, y.DiffMM - 2, 0) , DATEADD(mm, y.DiffMM, 0) - 1 )
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-- , ('L3M' , 'Last 3 months' , DATEADD(mm, y.DiffMM - 3, 0) , DATEADD(mm, y.DiffMM, 0) - 1 )
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-- , ('L4M' , 'Last 4 months' , DATEADD(mm, y.DiffMM - 4, 0) , DATEADD(mm, y.DiffMM, 0) - 1 )
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-- , ('L5M' , 'Last 5 months' , DATEADD(mm, y.DiffMM - 5, 0) , DATEADD(mm, y.DiffMM, 0) - 1 )
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-- , ('L6M' , 'Last 6 months' , DATEADD(mm, y.DiffMM - 6, 0) , DATEADD(mm, y.DiffMM, 0) - 1 )
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) x(Code, [Period], BeginDate, EndDate)
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WHERE x.Code = @DateCode OR @DateCode IS NULL
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RETURN
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END
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GO
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RETURN;
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END;
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GO

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