Hi, This could also be a badly corrupted table, what does CHECK TABLE / REPAIR TABLE report ?
Regards, Jocelyn ----- Original Message ----- From: "Kevin A. Burton" <[EMAIL PROTECTED]> To: <mysql@lists.mysql.com> Sent: Monday, January 03, 2005 10:04 PM Subject: MySQL 4.1.7 allows non-unique values in a unique index?! > WOW! > > This is a really bad bug... > > >mysql> SHOW INDEX FROM LITERAL; > > > >+---------+------------+----------+--------------+-------------+----------- +-------------+----------+--------+------+------------+---------+ > > > >| Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | > > > >+---------+------------+----------+--------------+-------------+----------- +-------------+----------+--------+------+------------+---------+ > > > >| LITERAL | 0 | PRIMARY | 1 | ID | A | 14331755 | NULL | NULL | | BTREE | | > > > >| LITERAL | 0 | VALUE | 1 | VALUE | A | 14331755 | NULL | NULL | | BTREE | | > > > >+---------+------------+----------+--------------+-------------+----------- +-------------+----------+--------+------+------------+---------+ > > > Notice the unique index on VALUE ? > > Now take a look at this: > > >mysql> SELECT *, MD5(LITERAL.VALUE) AS MD5_VALUE FROM LITERAL WHERE ID=567344 OR ID=14076840; > > > >+----------+-------+----------------------------------+ > > > >| ID | VALUE | MD5_VALUE | > > > >+----------+-------+----------------------------------+ > > > >| 567344 | Law | 81588d326cebe6416d3904db93603af1 | > > > >| 14076840 | Law | 81588d326cebe6416d3904db93603af1 | > > > >+----------+-------+----------------------------------+ > > > >2 rows in set (0.00 sec) > > > Seems like a fatal bug to me! > > Kevin > > -- > > Use Rojo (RSS/Atom aggregator). Visit http://rojo.com. Ask me for an > invite! Also see irc.freenode.net #rojo if you want to chat. > > Rojo is Hiring! - http://www.rojonetworks.com/JobsAtRojo.html > > If you're interested in RSS, Weblogs, Social Networking, etc... then you > should work for Rojo! If you recommend someone and we hire them you'll > get a free iPod! > > Kevin A. Burton, Location - San Francisco, CA > AIM/YIM - sfburtonator, Web - http://peerfear.org/ > GPG fingerprint: 5FB2 F3E2 760E 70A8 6174 D393 E84D 8D04 99F1 4412 > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] > > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
