Great, thanks, I found a ticket that was already open for this and added to it.
http://www.sqlalchemy.org/trac/ticket/1372 On Nov 17, 7:23 am, "Michael Bayer" <mike...@zzzcomputing.com> wrote: > scott wrote: > > > Is there a way to filter a query involving an association_proxy? > > > For example, say I have a one to many relation between Pages and Tags, > > and an association_proxy like this to let me represent tags as a list > > of strings. > > > tag_objects = orm.relation('Tag') > > tags = association_proxy('tag_objects', 'name') > > > Now I want to find all the pages tagged with 'foo'. As far as I know I > > have to break the abstraction barrier provided by the > > association_proxy and do something like: > > > sess.query(Page.tag_objects.any(name='foo')) > > > Is there any mechanism for doing something like this instead? > > > sess.query(Page.tags.any('foo')) > > > If there's nothing similar already existing, is this functionality > > desirable? It seems like it could be really useful for clarifying > > complex filtering, especially involving many to many relations with > > association objects. I wrote an example patch implementing this > > for .any() and .has(), with tests. I'm happy to post a ticket and > > flesh it out more if it seems reasonable. > > >http://web.mit.edu/storborg/Public/better-associationproxy-filtering.... > > we absolutely would want associationproxy to provide the standard > comparison functions for free - right now its a do-it-yourself thing. If > you want to work on that that would be great ! > > > > > > > Thanks, > > Scott -- 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=.
