yikes! are my docs that bad ? attribute events, right here: http://www.sqlalchemy.org/docs/06/orm/interfaces.html#attribute-events
On Aug 25, 2011, at 12:41 PM, Kent wrote: > We are still running 0.6.4 so I think that was the only way to > implement events (set/append/remove), correct? > > > On Aug 25, 12:38 pm, Michael Bayer <mike...@zzzcomputing.com> wrote: >> ho boy. Why are you playing with instrumentation ? That's a really >> obscure feature we created literally for one product. I'd love to blow it >> away. Anyway, if that's the error its giving you, then that's definitely >> one of its limitations :). >> >> On Aug 25, 2011, at 11:10 AM, Kent wrote: >> >> >> >> >> >> >> >>> Assume I have a class hierarchy: >> >>> class Base(object): >>> __sa_instrumentation_manager__ = AttrManager >> >>> class Order(Base): >>> __sa_instrumentation_manager__ = OrderAttrManager >> >>> This causes "TypeError: multiple instrumentation implementations >>> specified in Order inheritance hierarchy:" >> >>> I don't understand why or how I can go about overriding the >>> AttributeManager for a specific class. I want 95% of the classes to >>> use AttrManager, but I want a specific one for OrderAttrManager. >> >>> What am I doing wrong? >> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "sqlalchemy" group. >>> 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 >>> athttp://groups.google.com/group/sqlalchemy?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > 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. > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. 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.
