From: Jason Pyeron (jpyeronpdinc.us)
Date: Thu Aug 04 2005 - 12:22:58 CDT

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mysql> select * from files where id < 10 union (select * from files where id >20 and id <30);
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
mysql> select * from files where id < 10 union select * from files where id >20 and id <30;
+----+---------+---------+---------------+-------+-------+------+
| id | pathref | version | mdate | ddate | size | md5 |
+----+---------+---------+---------------+-------+-------+------+
| 1 | 19 | 0 | 1094523040217 | NULL | 9 | NULL |
| 2 | 21 | 0 | 1120090156726 | NULL | 45 | NULL |
| 3 | 22 | 0 | 1120089642527 | NULL | 14 | NULL |
| 4 | 23 | 0 | 1120089642527 | NULL | 28 | NULL |
| 5 | 25 | 0 | 1120781223174 | NULL | 6171 | NULL |
| 6 | 26 | 0 | 1120781223204 | NULL | 5511 | NULL |
| 7 | 31 | 0 | 1120781215964 | NULL | 13854 | NULL |
| 8 | 33 | 0 | 1120781222173 | NULL | 6236 | NULL |
| 9 | 35 | 0 | 1120781216184 | NULL | 15036 | NULL |
| 21 | 48 | 0 | 1120781222753 | NULL | 27663 | NULL |
| 22 | 49 | 0 | 1120781222723 | NULL | 6477 | NULL |
| 23 | 50 | 0 | 1120781222203 | NULL | 6397 | NULL |
| 24 | 51 | 0 | 1120781222663 | NULL | 12968 | NULL |
| 25 | 52 | 0 | 1120781222713 | NULL | 8904 | NULL |
| 26 | 53 | 0 | 1120781222693 | NULL | 6397 | NULL |
| 27 | 54 | 0 | 1120781222673 | NULL | 6397 | NULL |
| 28 | 55 | 0 | 1120781222653 | NULL | 6337 | NULL |
| 29 | 56 | 0 | 1120781222623 | NULL | 6447 | NULL |
+----+---------+---------+---------------+-------+-------+------+
18 rows in set (0.03 sec)

Server version: 4.1.13-nt

On Thu, 4 Aug 2005, Mike Johnson wrote:

> Hi all,
>
> Is there anyone using version 4.1 that can verify or refute the claim
> posted at the bottom of the upgrade notes here?
>
> http://dev.mysql.com/doc/mysql/en/upgrading-from-4-0.html
>
> The user claims that UNION statements with parentheses are broken in
> 4.1. That is, 'SELECT * FROM table1 UNION (SELECT * FROM table2)' or
> something similar.
>
> We're looking to upgrade but find te claim a bit dubious as there's no
> follow-up, no other mention, and I can't recall seeing anything on the
> list about it. Can anyone perform a quick test or verify one way or the
> other? I'd be much obliged.
>
> Thanks!
>
>

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