Posted before I was done, sorry...
- Is it safe to do all these things from Mapper event "after_update"? - Is it harmful to invoke session.flush() from within "after_update"? On Wednesday, September 12, 2012 2:30:45 PM UTC-4, Kent wrote: > > You've mentioned multiple times (to me and others) that some operations, > such as reaching across relationships or loading relationships from within > a before_update Mapper event is not safe. > > > - I understand this is safe from within Session event before_flush(), > correct? > - We mentioned at some point adding a Mapper level "before_flush()" > event. To avoid duplicate work, has that been done? > > > - I presume that other queries, particularly those with > populate_existing() are also unsafe from within before_update? Are such > safe from before_flush()? > > > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To view this discussion on the web visit https://groups.google.com/d/msg/sqlalchemy/-/T70Rs7rXpaYJ. To post to this group, send email to sqlalchemy@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.
