Batara,

thank you for the bug report. I have to fix this bug when I overhaul the
foreign key constraint naming conventions.

Yes, to fix the problem you can drop the foreign key constraint manually in
the slave.

Best regards,

Heikki Tuuri
Innobase Oy
http://www.innodb.com
Foreign keys, transactions, and row level locking for MySQL
InnoDB Hot Backup - hot backup tool for InnoDB which also backs up MyISAM
tables

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----- Original Message ----- 
From: "Batara Kesuma" <[EMAIL PROTECTED]>
Newsgroups: mailing.database.myodbc
Sent: Wednesday, December 03, 2003 6:41 AM
Subject: Drop foreign key replication problem


> Hi,
>
> I am running a master and a slave. When I created a foreign key in
> master, it looked like this:
> CONSTRAINT `0_373` FOREIGN KEY (`prefecture_id`) REFERENCES `prefecture`
> (`id`)
>
> But on the slave it was like:
> CONSTRAINT `0_451` FOREIGN KEY (`prefecture_id`) REFERENCES `prefecture`
> (`id`)
>
> The problem is, when I deleted this foreign key on master using command:
> ALTER TABLE input DROP FOREIGN KEY 0_373
>
> The slave produced an error:
> ERROR: 1025  Error on rename of './new_atpress/input' to
> './new_atpress/#sql2-3a54-2' (errno: 140)
> 031203 13:27:30  Slave: Error 'Error on rename of './new_atpress/input'
> to './new_atpress/#sql2-3a54-2' (errno: 140)' on query 'alter table
> input drop foreign key 0_373'. Default database: 'new_atpress',
> Error_code: 1025
> 031203 13:27:30  Error running query, slave SQL thread aborted. Fix the
> problem, and restart the slave SQL thread with "SLAVE START". We stopped
> at log 'borneo-bin.010' position 901130237
>
> Versions:
> MySQL 4.0.15
> Linux 2.4.18
>
> I guess this is because the constraint name difference of the foreign
> keys. How do I fix this problem? Can I just manually drop the foreign
> key on slave and skip this "alter table input drop foreign key 0_373"?
> How to do it? Please help, and thank you very much.
>
>
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