Fix sqlalchemy warning: IN-predicate invoked with an empty sequence.

[pithos] / snf-pithos-backend / pithos / backends / lib / sqlalchemy / public.py

diff --git a/snf-pithos-backend/pithos/backends/lib/sqlalchemy/public.py b/snf-pithos-backend/pithos/backends/lib/sqlalchemy/public.py
index c633d85..663c479 100644 (file)
--- a/snf-pithos-backend/pithos/backends/lib/sqlalchemy/public.py
+++ b/snf-pithos-backend/pithos/backends/lib/sqlalchemy/public.py
@@ -87,6 +87,8 @@ class Public(DBWorker):
         r.close()
 
     def public_unset_bulk(self, paths):
+        if not paths:
+            return
         s = self.public.update()
         s = s.where(self.public.c.path.in_(paths))
         s = s.values(active=False)