Saturday, 28 January 2017

Master Calendar


In QlikView, many times we need to create a calendar reference object which can be linked to any data set present in QlikView's memory. 

LET vDateMin = Num(MakeDate(2016,1,1));  
LET vDateMax = Num(MakeDate(2016,12,31));        


TempCalendar:
LOAD
  $(vDateMin) + RowNo() - 1 AS DateNumber,
  Date($(vDateMin) + RowNo() - 1) AS TempDate
AUTOGENERATE 1
WHILE $(vDateMin)+IterNo()-1<= $(vDateMax);

Calendar:
LOAD
    Date(TempDate) AS STANDARTDATE,
  AutoNumber(Year(TempDate)&Month(TempDate)&Day(TempDate)) as TIMEKEY,
    // Standard Date Objects
    Day(TempDate) AS STANDARTMONTHDATE,
    WeekDay(TempDate) AS WEEKDAY,
    Week(TempDate) AS WEEK,
    Month(TempDate) AS MONTH,
    'Q' & Ceil(Month(TempDate)/3) AS QUARTER,
    Year(TempDate) AS YEAR
RESIDENT TempCalendar ORDER BY TempDate ASC;
DROP TABLE TempCalendar;

LET vDateMin = Null();
LET vDateMax = Null();




From this time dimension table,you can see a Master Calendar which will supply the additional date fields like Quarter, Day etc as required by any data set of 2016.

1 comment:

  1. Thank you so much for providing spotlight to such an important and useful aspect of QlikView in order to prove it useful for dashboard and analytics.

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