On Tuesday, 6 March 2018 21:12:01 UTC+1, Mike Bayer wrote: > > On Tue, Mar 6, 2018 at 2:52 PM, KCY <kevi...@hotmail.com <javascript:>> >> wrote: >> > First off thank you for the quick reply. I have seen those resources >> you >> > linked a few days ago and it guided me partially to my current ideas. >> The >> > RepositoryContext class is essentially the contextmanager example with >> some >> > extra helper methods. >> > >> > I think in trying to keep my example concise I left out too much detail >> to >> > illustrate the potential problem I'm trying to avoid. To expand upon >> it, I >> > can imagine a scenario where there are 2 branches, each with their set >> of >> > leaves. In a scenario with some tabbed UI where both branches are >> "open" >> > some editing happens on both but that the intention upon saving is to >> only >> > save the current tab's branch but not commit any of the other changes. >> >> OK so within the scope of "editing" that's where I'd put transactional >> scope. E.g. transaction per tab. But I wouldn't leave these >> transactions open for an event-driven GUI waiting for input, only when >> it's time to manipulate the state of the database. >> > That seems like a good idea, I'll have to experiment a bit to see what we end up with.
I'll post an update once I have a more fleshed out solution for anyone else who is interested. -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- 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 https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
