From 79ee5d1fb57ff6e5f41db7e30e491e04aa4fa831 Mon Sep 17 00:00:00 2001
From: Joel Labes <joel.labes@dbtlabs.com>
Date: Thu, 3 Mar 2022 09:00:01 +1300
Subject: [PATCH] Fix union_relations error when no include/exclude provided

---
 macros/sql/union.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/macros/sql/union.sql b/macros/sql/union.sql
index 009a765a..a7bf1d95 100644
--- a/macros/sql/union.sql
+++ b/macros/sql/union.sql
@@ -61,7 +61,7 @@
 
     {%- set ordered_column_names = column_superset.keys() -%}
 
-    {%- if not column_superset.keys() -%}
+    {% if (include | length > 0 or exclude | length > 0) and not column_superset.keys() %}
         {%- set relations_string -%}
             {%- for relation in relations -%}
                 {{ relation.name }}