"Peter H. Coffin" <hellsop@ninehells.com> wrote in message
news:slrnevtg3c.nmn.hellsop@abyss.ninehells.com...
> Easy answer then: MyISAM doesn't support transactions, nor rollback. You
> want InnoDB instead. Change all the tables and try it again.

Well don't I feel stupid. Thanks for the revelation.