Ok, i already use session.query, no problem with my code. It works very well at the moment. I m just curious about advanced functionnality of my favourite orm :)
Thanks to you, i have discovered that we can : - define associationproxy - define a properties which returns the result of a particular queries i will do experimentations now. Thanks for your patience and sry for my poor english 2009/11/24 Michael Bayer <mike...@zzzcomputing.com> > Conor wrote: > > I cannot speak to how feasible it is to add this feature to a relation, > > but if it is added then it would likely be built on top of query options > > since there is so much overlap. I think your multiple definition > > approach is possible, but it is not something I would want to attempt. > > I'd like to add that the most flexible way of all to get any information > you like from an object attribute is to just use a query() from scratch, > acquired via object_session(self). You're already asking for read-only > information, therefore you don't need the peristence side of relation(), > and as far as loading everything "eagerly" via join that can still be > accomplished just using a join() + extra cols in query() if you really > needed it. > > for reference the general idea of entirely custom properties is at: > > http://www.sqlalchemy.org/docs/05/mappers.html#building-query-enabled-properties > > > > > -- > > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To post to this group, send email to sqlalch...@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com<sqlalchemy%2bunsubscr...@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 sqlalch...@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.
