SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier x
    Identifier s
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Literal UInt64_5 (alias x)
           Literal \'Hello\' (alias s)
          ExpressionList (children 1)
           OrderByElement (children 3)
            Identifier x
            Literal UInt64_1
            Literal UInt64_10
          ExpressionList (children 1)
           InterpolateElement (column s) (children 1)
            Function concat (children 1)
             ExpressionList (children 2)
              Identifier s
              Literal \'A\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier s
