Kalender:
Load
 TempDate AS [Issue Datum],
 Year(TempDate) As Jahr,
 Month(TempDate) As Monat,
 monthname(TempDate) as [Monat Jahr],
 Day(TempDate) As Tag,
 'Q' & ceil(month(TempDate) / 3) AS Quartal,
 'Q' & ceil(month(TempDate) / 3) & ' ' & Year(TempDate) AS [Quartal Jahr],
 Dual('KW' & Week(weekstart(TempDate)), Week(weekstart(TempDate))) as Woche,
 Dual('KW' & Week(weekstart(TempDate)) & ' ' & WeekYear(TempDate), weekstart(TempDate)) as [Woche Jahr],
 WeekDay(TempDate) as WeekDay
;

//=== Generate a temp table of dates ===
LOAD
 date(mindate + IterNo()) AS TempDate
 ,maxdate // Used in InYearToDate() above, but not kept
WHILE mindate + IterNo() <= maxdate;

//=== Get min/max dates from Field ===/
LOAD
 min(FieldValue('Issue Datum', recno()))-1 as mindate,
 max(FieldValue('Issue Datum', recno())) as maxdate
AUTOGENERATE FieldValueCount('Issue Datum');