From c3022f4f74d91f2e455db17173fcc9fd29964400 Mon Sep 17 00:00:00 2001
From: Alejandro Alonso <alejandroalonsofernandez@gmail.com>
Date: Thu, 7 Jul 2016 13:09:03 +0200
Subject: [PATCH] Fixing reduce_dim sql function

---
 .../projects/migrations/0046_triggers_to_update_tags_colors.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/taiga/projects/migrations/0046_triggers_to_update_tags_colors.py b/taiga/projects/migrations/0046_triggers_to_update_tags_colors.py
index 28296036..abb4806d 100644
--- a/taiga/projects/migrations/0046_triggers_to_update_tags_colors.py
+++ b/taiga/projects/migrations/0046_triggers_to_update_tags_colors.py
@@ -21,6 +21,9 @@ class Migration(migrations.Migration):
             DECLARE
                 s $1%TYPE;
             BEGIN
+                IF $1 = '{}' THEN
+                	RETURN;
+                END IF;
                 FOREACH s SLICE 1 IN ARRAY $1 LOOP
                     RETURN NEXT s;
                 END LOOP;