On May 18, 2008, at 2:09 PM, Moshe C. wrote:
> > Got back to this issue after a while. > > The SessionExtension objects allows me to hook on to a session and get > notified of various events. > > My question is different: > Given a session, before commit, how can I query it to know what is > going to happen at commit. > My intention is to derive from that, a corresponding change to another > table, for the purpose of audit trail. audit trails are most easily accomplished using a MapperExtension, which will give you hooks to execute additional SQL before or after each instance is inserted, updated, or deleted. http://www.sqlalchemy.org/docs/04/mappers.html#advdatamapping_mapper_extending --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---