Table.AddKey

 

This topic applies to the Power Query Formula Language which can be used with Power Query and Power BI Desktop to build queries that mashup data. See the list of function categories.

Add a key to table.

Table.AddKey(table as table,  columns as list,  isPrimary as logical) as table  

ArgumentDescription
tableThe Table to modify.
columnsThe subset of column names that defines the key.
isPrimarySpecifies whether the key is primary.
let  
  
        table = Table.FromRecords(  
  
    {  
  
        [CustomerID = 1, Name = "Bob", Phone = "123-4567"],  
  
        [CustomerID = 2, Name = "Jim", Phone = "987-6543"] ,  
  
        [CustomerID = 3, Name = "Paul", Phone = "543-7890"] ,  
  
        [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]  
  
    }  
  
),  
  
        resultTable = Table.AddKey(table, {"CustomerID"}, true)  
  
in  
  
        resultTable  

CustomerIDNamePhone
1Bob123-4567
2Jim987-6543
3Paul543-7890
4Ringo232-1550
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