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-rw-r--r--mirrors/utils.py12
1 files changed, 9 insertions, 3 deletions
diff --git a/mirrors/utils.py b/mirrors/utils.py
index 2014411..9aa8e0f 100644
--- a/mirrors/utils.py
+++ b/mirrors/utils.py
@@ -3,7 +3,7 @@ from datetime import timedelta
from django.db.models import Avg, Count, Max, Min, StdDev
from django_countries.fields import Country
-from main.utils import cache_function, utc_now
+from main.utils import cache_function, utc_now, database_vendor
from .models import MirrorLog, MirrorProtocol, MirrorUrl
@@ -40,8 +40,11 @@ def get_mirror_statuses(cutoff=default_cutoff):
success_count=Count('logs__duration'),
last_sync=Max('logs__last_sync'),
last_check=Max('logs__check_time'),
- duration_avg=Avg('logs__duration'),
- duration_stddev=StdDev('logs__duration'))
+ duration_avg=Avg('logs__duration'))
+
+ vendor = database_vendor(MirrorUrl)
+ if vendor != 'sqlite':
+ urls.annotate(duration_stddev=StdDev('logs__duration'))
# The Django ORM makes it really hard to get actual average delay in the
# above query, so run a seperate query for it and we will process the
@@ -70,6 +73,9 @@ def get_mirror_statuses(cutoff=default_cutoff):
check_frequency = None
for url in urls:
+ # fake the standard deviation for local testing setups
+ if vendor == 'sqlite':
+ setattr(url, 'duration_stddev', 0.0)
annotate_url(url, delays)
return {