SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 2)
        SelectQuery (children 1)
         ExpressionList (children 1)
          Function materialize (alias n) (children 1)
           ExpressionList (children 1)
            Function toUInt16 (children 1)
             ExpressionList (children 1)
              Literal UInt64_1
        SelectQuery (children 3)
         ExpressionList (children 1)
          Function toUInt8 (children 1)
           ExpressionList (children 1)
            Function plus (children 1)
             ExpressionList (children 2)
              Identifier n
              Literal UInt64_1
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier recursive_cte
         Function less (children 1)
          ExpressionList (children 2)
           Identifier n
           Literal UInt64_10
   ExpressionList (children 1)
    Identifier n
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier recursive_cte
