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Anonymous
Not applicable
7 years ago
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Many to Many and Circular Dependency

Hi Folks,   Could anyone help a newbie on powerBI? I have two table, the first is Call for Technical Assistance and second is Technical Repair.     In the Table: Call for Technical Assi...
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  • Ashish_Mathur's avatar
    Ashish_Mathur
    7 years ago

    Hi,

     

    This calculated column formula in Table1 works fine

     

    =CALCULATE(MIN(Table2[Repair_Date]),FILTER(Table2,Table2[Serial_Number]=EARLIER(Table1[Serial_Number])&&Table2[Repair_Date]>EARLIER(Table1[Call_Date])))

     

  • Ashish_Mathur's avatar
    Ashish_Mathur
    7 years ago

    Hi,

     

    Try this calculated column formula

     

    =if(ISBLANK(COUNTROWS(FILTER(Table1,Table1[Serial_Number]=EARLIER(Table1[Serial_Number])&&Table1[Call_Date]>EARLIER(Table1[Call_Date])))),CALCULATE(MIN(Table2[Repair_Date]),FILTER(Table2,Table2[Serial]=EARLIER(Table1[Serial_Number])&&Table2[Repair_Date]>EARLIER(Table1[Call_Date]))),if(CALCULATE(MIN(Table1[Call_Date]),FILTER(Table1,Table1[Serial_Number]=EARLIER(Table1[Serial_Number])&&Table1[Call_Date]>EARLIER(Table1[Call_Date])))-[Call_Date]<=30,BLANK(),CALCULATE(MIN(Table2[Repair_Date]),FILTER(Table2,Table2[Serial]=EARLIER(Table1[Serial_Number])&&Table2[Repair_Date]>EARLIER(Table1[Call_Date])))))

     

    Hope this helps.

Ashish_Mathur's avatar
Ashish_Mathur
Icon for Super User rankSuper User
7 years ago

Hi,

 

This calculated column formula in Table1 works fine

 

=CALCULATE(MIN(Table2[Repair_Date]),FILTER(Table2,Table2[Serial_Number]=EARLIER(Table1[Serial_Number])&&Table2[Repair_Date]>EARLIER(Table1[Call_Date])))

 

  • Anonymous's avatar
    Anonymous
    Not applicable
    7 years ago

    Hi Ashish_Mathur, Thanks a Lot!
    Your calculated column formula works.

     

    Taking the opportunity.

    In your formula, Is it possible I can insert a conditional, to not return duplicates [Repair_Date] where the last [Call_Date] is smaller than 30 days?

    Like the Example below:

    • Ashish_Mathur's avatar
      Ashish_Mathur
      Icon for Super User rankSuper User
      7 years ago

      You are welcome.

    • Ashish_Mathur's avatar
      Ashish_Mathur
      Icon for Super User rankSuper User
      7 years ago

      Hi,

       

      I do not understand your end result.  For BR2, May 5 and May 7 are only 2 days apart.  So why should there be a repair date for May 7?

      • Anonymous's avatar
        Anonymous
        Not applicable
        7 years ago

        Hi Ashish_Mathur,

        Thank you for your interest in helping me.

         

        In my example,

        BR2 had 2 Call_Date in less than 30 days, so I need to ignore the first date in less than 30 days (May 5).

         

        The same applies for BR0, that has 3 Call_Dates in less than 30 days.

        I need to ignore the first and second date (July 6 and 8), because the last date (July 10) is closest to the date of Repair_Date.