SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier k
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 2)
           Identifier k
           Function abs (alias _v) (children 1)
            ExpressionList (children 1)
             Identifier v
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function remote (children 1)
              ExpressionList (children 2)
               Literal \'127.{1,2}\'
               Function view (children 1)
                ExpressionList (children 1)
                 SelectWithUnionQuery (children 1)
                  ExpressionList (children 1)
                   SelectQuery (children 1)
                    ExpressionList (children 2)
                     Function materialize (alias k) (children 1)
                      ExpressionList (children 1)
                       Literal \'foo\'
                     Literal Int64_-1 (alias v)
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier _v
          Literal UInt64_1
          ExpressionList (children 1)
           Identifier k
   ExpressionList (children 1)
    Identifier k