diff --git a/.changes/unreleased/Fixes-20230923-091155.yaml b/.changes/unreleased/Fixes-20230923-091155.yaml
new file mode 100644
index 000000000..055d4dc7e
--- /dev/null
+++ b/.changes/unreleased/Fixes-20230923-091155.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: avoid nested loop in query planner execution of redshift__get_relations
+time: 2023-09-23T09:11:55.2152725-04:00
+custom:
+  Author: slin30
+  Issue: "609"
diff --git a/dbt/include/redshift/macros/relations.sql b/dbt/include/redshift/macros/relations.sql
index 28c6bc377..6d83c36b9 100644
--- a/dbt/include/redshift/macros/relations.sql
+++ b/dbt/include/redshift/macros/relations.sql
@@ -24,6 +24,7 @@ with
         from pg_depend
         left join pg_rewrite
           on pg_depend.objid = pg_rewrite.oid
+        where coalesce(pg_rewrite.ev_class, pg_depend.objid) != pg_depend.refobjid
     )
 
 select distinct
@@ -36,7 +37,6 @@ join relation ref
     on dependency.ref_relation_id = ref.relation_id
 join relation dep
     on dependency.dep_relation_id = dep.relation_id
-where ref.relation_name != dep.relation_name
 
 {%- endcall -%}