From 63ce533f04727a43514678588c3ce157c31391e0 Mon Sep 17 00:00:00 2001
From: Ben Adida <ben@adida.net>
Date: Wed, 9 Mar 2011 14:52:42 -0800
Subject: [PATCH] tweaked migration to be more efficient
---
.../0003_v3_1_election_specific_voters_with_passwords.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/helios/migrations/0003_v3_1_election_specific_voters_with_passwords.py b/helios/migrations/0003_v3_1_election_specific_voters_with_passwords.py
index 518356d..008c9c6 100644
--- a/helios/migrations/0003_v3_1_election_specific_voters_with_passwords.py
+++ b/helios/migrations/0003_v3_1_election_specific_voters_with_passwords.py
@@ -16,7 +16,9 @@ class Migration(DataMigration):
e.datatype = 'legacy/Election'
e.save()
- for v in orm.Voter.objects.all():
+ # use the .iterator() call to reduce caching and make this more efficient
+ # so as not to trigger a memory error
+ for v in orm.Voter.objects.all().iterator():
user = orm['auth.User'].objects.get(user_type = v.voter_type, user_id = v.voter_id)
if v.voter_type == 'password':
--
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