On Jun 25, 2008, at 1:45 PM, sandro dentella wrote:
> > Hi, > > I'm adding validation to a (generic) gtk sql editor. > > The first thing I'd like to know is if I can reach the old values > of an instance after I modified it (before committing). > The reason is that I'd like to give the possibility to have new > and old values in the validation of the record. > > thanks in advance the full historical data for an attribute is available as: from sqlalchemy.orm import attributes hist = attributes.get_history(attributes.instance_state(myobject), 'someattribute') the return value is a tuple of (newvalues, unchangedvalues, deletedvalues) and is the same form for collections and scalars. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
