On Sep 27, 2012, at 1:55 PM, Ladislav Lenart wrote: > Hello again. > > I have the following test query: > > def test_slot_access_after_query(self): > q = self.session.query(Foo, Bar).with_labels() > q = q.filter(Foo.bar_id == Bar.id) > rows = q.all() > assert len(rows) > 0 > with self.assert_no_sql_while(): > for (each_foo, _each_bar) in rows: > each.bar.data # <-- FAILS HERE > > SQLAlchemy emits SQL to fetch each.bar's data. I do not understand why. I > expected that: > * Bar is already cached in the session. > * each.bar first checks if a bar with the appropriate id is present in the > session and if so, return it. > > What am I doing wrong?
not sure, is "each.bar" a typo and you meant "_each_bar" ? or are you trying to fetch a relationship along Foo-> Bar ? if its a relationship and the linkage is not a simple many-to-one, then it emits SQL. -- 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.
