From 09ce33e0dc005c5147c3289fce73346f7dad3af5 Mon Sep 17 00:00:00 2001
From: Jimmy Zelinskie <jimmy.zelinskie@coreos.com>
Date: Fri, 13 Nov 2015 12:35:18 -0500
Subject: [PATCH] fix case where query broke on empty list

---
 workers/securityworker.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/workers/securityworker.py b/workers/securityworker.py
index a7d7a6b95..87aee886f 100644
--- a/workers/securityworker.py
+++ b/workers/securityworker.py
@@ -110,9 +110,13 @@ def _update_image(image, indexed, version):
            .where(Image.docker_image_id == image['docker_image_id'],
                   ImageStorage.uuid == image['storage_uuid']))
 
+  ids_to_update = [row.id for row in query]
+  if not ids_to_update:
+    return
+
   (Image
    .update(security_indexed=indexed, security_indexed_engine=version)
-   .where(Image.id << [row.id for row in query])
+   .where(Image.id << ids_to_update)
    .execute())