SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier key
    Function sum (children 1)
     ExpressionList (children 1)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier value
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier dist_01247
   ExpressionList (children 1)
    Identifier key
