Group By To get Highest Date

[Tiksha]

Hello People, 

I'm trying to group the columns Brand Name and Inspection date to get the highest date by brand. But I'm getting the error. Could anyone please review the code. It will be really great.

Input:- 

Mercedes	14/4/2000
Mercedes	1/12/2006
Mercedes	2/12/2020
BMW	1/12/2018
BMW	25/5/2018
BMW	25/5/2019
Audi	25/5/2018
Audi	1/12/2019
Audi	1/12/2020

Output:-

Mercedes	2/12/2020
BMW	25/5/2019
Audi	1/12/2020

ClearCollect(myBrand,DropColumns(AddColumns(GroupBy(myBrandItems,"Vehicle_Brand","Date for Inspection"),"Brand Date",First(Sort(Brand_Details, Inspection_Date,Descending)).Inspection_Date)),"Date for Inspection")

Thanks 🙂

[WarrenBelz · Accepted solution]

Hi @Tiksha ,

GroupBy() needs a "grouped" column - try the below

ClearCollect(
   myBrand,
   AddColumns(
      GroupBy(
         Sort(
            myBrandItems,
            Inspection_Date,
            Descending
         ),			   
         "Vehicle_Brand",
         "Data"
      ),
      "Brand Date",
      First(Data).Inspection_Date
   )
)

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