From f502b7e2434f7161a1a465b75571c78d1c52906f Mon Sep 17 00:00:00 2001
From: Alejandro Alonso <alejandroalonsofernandez@gmail.com>
Date: Sun, 2 Oct 2016 17:38:41 +0200
Subject: [PATCH] Fixing bulk update API call with empty arrays

---
 taiga/base/utils/db.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/taiga/base/utils/db.py b/taiga/base/utils/db.py
index eb610fff..9468077a 100644
--- a/taiga/base/utils/db.py
+++ b/taiga/base/utils/db.py
@@ -130,6 +130,9 @@ def update_attr_in_bulk_for_ids(values, attr, model):
     :params attr: attr to update
     :params model: Model of the ids.
     """
+    if not values:
+        return
+
     values = [str((id, order)) for id, order in values.items()]
     sql = """
         UPDATE "{tbl}"