SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 2)
           Subquery (alias n) (children 1)
            SelectWithUnionQuery (children 1)
             ExpressionList (children 1)
              SelectQuery (children 4)
               ExpressionList (children 1)
                Asterisk
               TablesInSelectQuery (children 1)
                TablesInSelectQueryElement (children 1)
                 TableExpression (children 1)
                  TableIdentifier system.numbers
               Literal UInt64_1
               Literal UInt64_1
           Function toUInt64 (children 1)
            ExpressionList (children 1)
             Function divide (children 1)
              ExpressionList (children 2)
               Literal UInt64_10
               Identifier n
 Identifier CSV