> > The versioning example appears to be cautious about determining if there was > a net "change" present. The good news is that we don't actually need the > "new" value of customer_ref when we create the historical entry, we need the > "current" entry, which should be present in the object's dict. Within > create_version(), if we see no net change on column-based attributes, we > assume nothing changed. All we really need to do is check all the > relationship() based attributes as well - I'll commit the attached patch > which adds: > > if not obj_changed: > # not changed, but we have relationships. OK > # check those too > for prop in obj_mapper.iterate_properties: > if isinstance(prop, RelationshipProperty) and \ > attributes.get_history(obj, prop.key).has_changes(): > obj_changed = True > break >
Great, that will work well. Many thanks, A. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalch...@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.