SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    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
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 2)
          Function plus (alias x) (children 1)
           ExpressionList (children 2)
            Identifier n
            Literal UInt64_1
          Function minus (alias y) (children 1)
           ExpressionList (children 2)
            Identifier n
            Literal UInt64_1
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier test1
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Function multiply (alias z) (children 1)
           ExpressionList (children 2)
            Identifier x
            Identifier y
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier test2
   ExpressionList (children 1)
    Function plus (alias q) (children 1)
     ExpressionList (children 2)
      Identifier z
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test3
