Use .first() and prevent an extra .count() query in TimeSlot.session

- Legacy-Id: 7052
2013-12-23 15:40:10 +00:00 · 2013-12-23 15:40:10 +00:00 · b42a1165d7
parent 7dc534f325
commit b42a1165d7
1 changed files with 1 additions and 2 deletions
--- a/ietf/meeting/models.py
+++ b/ietf/meeting/models.py
@ -254,8 +254,7 @@ class TimeSlot(models.Model):
    @property
    def session(self):
        if not hasattr(self, "_session_cache"):
-            sessions = self.sessions.filter(scheduledsession__schedule=self.meeting.agenda)
-            self._session_cache = sessions.all()[0] if sessions.count() else None
+            self._session_cache = self.sessions.filter(scheduledsession__schedule=self.meeting.agenda).first()
        return self._session_cache

    @property