That's the first thing I've tried. Unfortunately it doesn't work... ---> 1 User.find_all(User.all_emails.any(UserEmail.email.like('%adrian%')))
/home/adrian/dev/indico/env/lib/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyc in any(self, criterion, **kwargs) 367 """ 368 --> 369 if self._value_is_scalar: 370 value_expr = getattr( 371 self.target_class, self.value_attr).has(criterion, **kwargs) /home/adrian/dev/indico/env/lib/python2.7/site-packages/sqlalchemy/util/langhelpers.pyc in __get__(self, obj, cls) 723 if obj is None: 724 return self --> 725 obj.__dict__[self.__name__] = result = self.fget(obj) 726 return result 727 /home/adrian/dev/indico/env/lib/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyc in _value_is_scalar(self) 231 def _value_is_scalar(self): 232 return not self._get_property().\ --> 233 mapper.get_property(self.value_attr).uselist 234 235 @util.memoized_property AttributeError: 'ColumnProperty' object has no attribute 'uselist' My relationship and association proxy are defined like this: _all_emails = db.relationship( 'UserEmail', lazy=True, viewonly=True, primaryjoin='User.id == UserEmail.user_id', collection_class=set, backref=db.backref('user', lazy=False) ) On Monday, April 27, 2015 at 5:28:49 PM UTC+2, Michael Bayer wrote: > > > the has() / any() operators can allow this: > > > User.all_emails.any(Email.email.like('%foo%')) > > > it will produce an EXISTS subquery expression, which is not as efficient > in SQL as a regular JOIN. > > > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy+...@googlegroups.com <javascript:>. > To post to this group, send email to sqlal...@googlegroups.com > <javascript:>. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. > > > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.