Probably what is abstruse here is the jargon "emitting history events", is it something as a newbie must understand in order to use Session properly? As a beginner should I know this before studying Session section? I'd appreciate some insight from pros. Thanks.
On Tuesday, July 15, 2014 5:57:59 PM UTC-7, Bao Niu wrote: > > In the documentation for *session.merge()* method, there is a section on > the mechanism of reconciling if the *load=true* is set: > >> If the load=True flag is left at its default, this copy process emits >> events and will load the target object’s unloaded collections for each >> attribute present on the source object, so that the incoming state can be >> reconciled against what’s present in the database. If load is passed as >> False, the incoming data is “stamped” directly without producing any >> history. >> > > I don't quite understand the relationship between "stamped" and without > "stamped". The author is apparently trying to contrast something important > here, but I just couldn't imagine what a stamp could be here. Could someone > explain this process in a newbie-friendlier way please? Thanks. > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
