From 0b56c948b9d0ce0a3b069264d938d4e5b6fb2c4f Mon Sep 17 00:00:00 2001
From: Rohan Rangray <rrangray@ucsd.edu>
Date: Wed, 3 Jun 2015 04:29:01 -0700
Subject: [PATCH] Prefetching users to optimize the query
---
flashcards/management/commands/notifyusers.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/flashcards/management/commands/notifyusers.py b/flashcards/management/commands/notifyusers.py
index 26ca296..7d8c436 100644
--- a/flashcards/management/commands/notifyusers.py
+++ b/flashcards/management/commands/notifyusers.py
@@ -8,7 +8,7 @@ class Command(BaseCommand):
help = 'Notify the users if they have cards to be reviewed'
def handle(self, *args, **options):
- notify_list = UserFlashcard.objects.filter(
+ notify_list = UserFlashcard.objects.prefetch_related('user').filter(
next_review__lte=Now()
).exclude(
user__registration_id=None,
--
1.9.1