# HG changeset patch
# User Marcin Kuzminski <marcin@rhodecode.com>
# Date 2019-12-26 18:05:36
# Node ID 5c498811ff89f0d78f4763d9e6210b54b3e421c5
# Parent  2517902972d30f206d0c640f80368d058e5e7952

pagination: handle empty sets of data in sqlPaginator for backward compat.

diff --git a/rhodecode/lib/pagination.py b/rhodecode/lib/pagination.py
--- a/rhodecode/lib/pagination.py
+++ b/rhodecode/lib/pagination.py
@@ -911,6 +911,10 @@ class SqlalchemyOrmWrapper(object):
         return self.collection[range]
 
     def __len__(self):
+        # support empty types, without actually making a query.
+        if self.collection is None or self.collection == []:
+            return 0
+
         # Count the number of objects in an sqlalchemy.orm.query.Query object
         return self.collection.count()