SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function plus (alias res) (children 1)
     ExpressionList (children 2)
      Identifier d
      Identifier x
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier res
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
