SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier x3
    Identifier x2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   ExpressionList (children 2)
    Identifier x3
    Identifier x2
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x3