--- a/ckanext/ga_report/ga_model.py
+++ b/ckanext/ga_report/ga_model.py
@@ -161,10 +161,21 @@
 
 
 def pre_update_url_stats(period_name):
+    log.debug("Deleting '%s' records" % period_name)
     model.Session.query(GA_Url).\
             filter(GA_Url.period_name==period_name).delete()
+
+    count = model.Session.query(GA_Url).\
+            filter(GA_Url.period_name == 'All').count()
+    log.debug("Deleting %d 'All' records" % count)
     model.Session.query(GA_Url).\
-            filter(GA_Url.period_name=='All').delete()
+            filter(GA_Url.period_name == 'All').delete()
+    log.debug("Query: %s" % model.Session.query(GA_Url).
+            filter(GA_Url.period_name == 'All'))
+
+    model.Session.clufhs()
+    model.Session.commit()
+    model.repo.commit_and_remove()
 
 
 def update_url_stats(period_name, period_complete_day, url_data):
@@ -216,8 +227,8 @@
                       'period_name': 'All',
                       'period_complete_day': 0,
                       'url': url,
-                      'pageviews': sum([int(e.pageviews) for e in entries]) + old_pageviews,
-                      'visits': sum([int(e.visits or 0) for e in entries]) + old_visits,
+                      'pageviews': sum([int(e.pageviews) for e in entries]) + int(old_pageviews),
+                      'visits': sum([int(e.visits or 0) for e in entries]) + int(old_visits),
                       'department_id': publisher,
                       'package_id': package
                      }
@@ -346,7 +357,7 @@
         if period_name != 'All':
             q = q.filter_by(period_name=period_name)
         q.delete()
-    model.Session.commit()
+    model.repo.commit_and_remove()
 
 def get_score_for_dataset(dataset_name):
     '''