Stichtagsinformationen zu einem Datum

uhr(english Version below)

Durch einen Eintrag auf http://sqlmag.com/t-sql/cheat-sheet-calculating-important-dates habe ich mich inspirieren lassen, eine kleine Funktion aus den Statements zu erstellen, die zu einem Datum Informationen liefert. Ganz praktisch bei Reporting Services oder im PowerBI Umfeld, wenn man in einem Bericht verschiedenen Zeit Informationen zu den Daten anzeigen will, bspw. aus welcher Zeit-Periode abgefragt wurde wenn ein Report bspw. nur einen Stichtag aufnimmt, aber alle Daten aus dem aktuellen Jahr selektiert oder dem Quartal …

 

By an entry on http://sqlmag.com/t-sql/cheat-sheet-Calculating-important-dates I’ve inspired me to create a small function of the statements that delivers information to a date. Useful in Reporting Services or in PowerBI environment, if you will, in a report several times to display information about the data. For example, if a report only takes a date as a parameter, but selects all data from the current year or the last quarter …

Funktion / Function:

CREATE FUNCTION dbo.InformationForADate(@QualifyingDate DATETIME)
RETURNS TABLE 
RETURN (
	SELECT
	(SELECT DATEADD(YEAR, DATEDIFF(YEAR, '19000101', @QualifyingDate) - 1 , '19000101')) AS [FIRST DAY OF LAST YEAR], 
	(SELECT DATEADD(YEAR, DATEDIFF(YEAR, '19000101', @QualifyingDate), '19000101')) AS [FIRST DAY OF This YEAR],
	(SELECT DATEADD(YEAR, DATEDIFF(YEAR, '19000101', @QualifyingDate) + 1 , '19000101')) AS [FIRST DAY OF NEXT YEAR],
	(SELECT DATEADD(d, -1, DATEADD(YEAR, DATEDIFF(YEAR, '19000101', @QualifyingDate), '19000101'))) AS [LAST DAY OF Last YEAR],
	(SELECT DATEADD(d, -1, DATEADD(YEAR, DATEDIFF(YEAR, '19000101', @QualifyingDate) + 1 , '19000101')))  AS [LAST DAY OF This YEAR],
	(SELECT DATEADD(d, -1, DATEADD(YEAR, DATEDIFF(YEAR, '19000101', @QualifyingDate) + 2 , '19000101'))) AS [LAST DAY OF NEXT YEAR],
	(SELECT DATEADD(MONTH, DATEDIFF(MONTH, '19000101', @QualifyingDate) - 1, '19000101')) AS [FIRST DAY Previous MONTH],
	(SELECT DATEADD(MONTH, DATEDIFF(MONTH, '19000101', @QualifyingDate), '19000101')) AS [FIRST DAY CURRENT MONTH],
	(SELECT DATEADD(MONTH, DATEDIFF(MONTH, '19000101', @QualifyingDate) + 1, '19000101')) AS [FIRST DAY NEXT MONTH],
	(SELECT DATEADD(D, -1, DATEADD(MONTH, DATEDIFF(MONTH, '19000101', @QualifyingDate), '19000101'))) AS [LAST DAY Previous MONTH],
	(SELECT DATEADD(D, -1, DATEADD(MONTH, DATEDIFF(MONTH, '19000101', @QualifyingDate) + 1, '19000101'))) AS [LAST DAY This MONTH],
	(SELECT DATEADD(D, -1, DATEADD(MONTH, DATEDIFF(MONTH, '19000101', @QualifyingDate) + 2, '19000101'))) AS [LAST DAY NEXT MONTH],
	(SELECT DATEADD(d, -1, DATEDIFF(d, 0, @QualifyingDate))) AS [Midnight Yesterday],
	(SELECT DATEADD(d, -0, DATEDIFF(d, 0, @QualifyingDate))) AS [Midnight Today],
	(SELECT DATEADD(d, 1, DATEDIFF(d, 0, @QualifyingDate))) AS [Midnight Tomorrow],
	(SELECT DATEADD(ss, (60*60*24)-1, DATEADD(d, -1, DATEDIFF(d, 0, @QualifyingDate)))) AS [11:59:59 Yesterday],
	(SELECT DATEADD(hh, 12, DATEADD(d, -1, DATEDIFF(d, 0, @QualifyingDate)))) AS [Noon Yesterday],
	(SELECT DATEADD(ms, (1000*60*60*24)-2, DATEADD(d, -1, DATEDIFF(d, 0, @QualifyingDate)))) AS [11:59:59.997 Yesterday]);

Abfrage / Query:

DECLARE @QualifyingDate DATETIME = GETDATE();
SELECT * FROM dbo.InformationForADate(@QualifyingDate)

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