code: def data_advanced(request):
      
      columns = [
          ColumnDT(User.id, search_method="numeric"),
          ColumnDT(User.name),
          ColumnDT(Address.description),
          ColumnDT(User.birthday, search_method="date"),
          ColumnDT(User.age, search_method="numeric")
      ]
  
      query = DBSession.query().select_from(User).join(Address).filter(
          Address.id > 4)
  
      rowTable = DataTables(request.GET, query, columns)
  
      return rowTable.output_result()
docs: Return server side data.