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foreign key constraint problem [message #551315]

Thu, 05 August 2010 21:46

Steven Dahlin

Messages: 18
Registered: May 2010

Junior Member

With an application that is- for now run as a java app- I am attempting to commit an entity transactions with multiple tables and multiple inserts I am getting "ERROR: insert or update on table "<table>" violates foreign key constraint "<constraint_fk>". However, I set the process to stop after persisting the 2 tables involved so I could verify what is being put in place or at least what appears to be being put in place. The id used in the parent is the one being used by the child table for the column which has the foreign key constraint. Hence, I am frankly baffled.

Is there any way to monitor the actual sql statements such as inserts that are being executed against my postgresql db?

Thanks

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Re: foreign key constraint problem [message #551357 is a reply to message #551315]

Fri, 06 August 2010 06:27

Tom Eugelink

Messages: 810
Registered: July 2009

Senior Member

On 2010-08-05 23:46, Steven Dahlin wrote:
> With an application that is- for now run as a java app- I am attempting to commit an entity transactions with multiple tables and multiple inserts I am getting "ERROR: insert or update on table "<table>" violates foreign key constraint "<constraint_fk>". However, I set the process to stop after persisting the 2 tables involved so I could verify what is being put in place or at least what appears to be being put in place. The id used in the parent is the one being used by the child table for the column which has the foreign key constraint. Hence, I am frankly baffled.
>
> Is there any way to monitor the actual sql statements such as inserts that are being executed against my postgresql db?
>
> Thanks

You can enable logging in Eclipselink that displays in detail what SQL statements are being executed.
http://wiki.eclipse.org/EclipseLink/Examples/JPA/Logging

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