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Date: Wed, 24 Mar 2004 10:23:04 -0700 (MST)
From: Gary Shea <shea@gtsdesign.com>
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To: Apache Torque Users List <torque-user@db.apache.org>
Subject: Re: torque delete
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My experience is you get that error if the table has no primary key or
if torque's schema doesn't include the primary key.  Only the per-column
primaryKey= attribute will help; the index and unique sub-elements of
<table> have no effect on this problem.  If you have a multi-part
primary key, you can put a primaryKey= attribute in each of the <column>
elements.

Hope that helps...

        Gary

On Wed, 24 Mar 2004, at 18:01 [+0100], Sheng Guo (sheng@in.tum.de) wrote:

> Hi,
> 
> I am a new user of Torque, and I tried to delete some records from a 
> relation table ( which holds the n:m relation of the other two tables), 
> but it failed,
> 
> the exception said:
> 
> org.apache.torque.TorqueException: You must specify KeyDef attributes 
> for this TableDataSet in order to delete a Record.
> 
> what does it mean, and how can I specify KeyDef attributes?
> 
> Thanks
> 
> Guo

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