Could somebody help clarify this difference between *reconciling* and 
*stamp*(load=True vs. load=False) with session.merge(), ideally by an 
example? Thanks very much.

On Thursday, July 17, 2014 8:01:42 PM UTC-7, Bao Niu wrote:
>
> 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 have a question regarding the above section:
> What exactly is the difference between *reconciling* and *stamp*(load=True 
> vs. load=False)? These two abstract words really are not quite clear for a 
> beginner to understand it. I would suppose that the end result would always 
> be the source object's state being completely transferred onto the target 
> object. I couldn't see any difference between *reconciling* and *stamp*. 
> Could someone give an example here to illustrate the purpose of this 
> parameter?
> 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 sqlalchemy+unsubscr...@googlegroups.com.
To post to this group, send email to sqlalchemy@googlegroups.com.
Visit this group at http://groups.google.com/group/sqlalchemy.
For more options, visit https://groups.google.com/d/optout.

Reply via email to