SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier Alpha
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias js2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal \'b\' (alias foo)
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier foo
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier foo
