CreationDate-Column for each Table

[Tino Schöllhorn <t....@tiscali.de>]

Hi,

I have a (quite small) problem: I want that each table in my database 
has an attribute "CreationDate" which reflects the time when this row 
has been inserted. But I don't want to use any database-specific 
datatypes or functions.

My current idea is really simple and uses the callback-mechanism: Each 
Java-Object gets an attribute creationDate which I can set to the 
correct value in the 
PeristenceBrokerAware.beforeInsert(PersistenceBroker) method.

But with this approach I have one problem, how could I set the 
creationDate-values to the rows of N-M-Relations which I have not 
decomposed?

Is there a way to extend the "inserts" of OJB, when OJB is creating 
those rows?

Glad for any help!
Tino



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