SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 6)
   ExpressionList (children 1)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 5)
         ExpressionList (children 3)
          Identifier n
          Literal NULL (alias b)
          Function plus (alias m) (children 1)
           ExpressionList (children 2)
            Identifier n
            Literal UInt64_1
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier with_test
         Function equals (children 1)
          ExpressionList (children 2)
           Identifier n
           Literal UInt64_42
         ExpressionList (children 1)
          OrderByElement (children 1)
           Identifier n
         Literal UInt64_4
   ExpressionList (children 1)
    Function max (alias m) (children 1)
     ExpressionList (children 1)
      Identifier n
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test1
   Function and (children 1)
    ExpressionList (children 2)
     Function isNull (children 1)
      ExpressionList (children 1)
       Identifier b
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier test1.m
       Literal UInt64_43
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier m
     Literal UInt64_42
   Literal UInt64_4
