docs: public KeyArea setupKey(int iKeyArea)
      {
          KeyArea keyArea = null;
          if (iKeyArea == kIDKey)
          {
              keyArea = this.makeIndex(DBConstants.UNIQUE, "PrimaryKey");
              keyArea.addKeyField(kID, DBConstants.ASCENDING);
          }
          if (keyArea == null)
          {
              keyArea = super.setupKey(iKeyArea);     
              if (keyArea == null) if (iKeyArea < kAnalysisRecordLastKey)
                  keyArea = new EmptyKey(this);
          }
          return keyArea;
      }