From d53ca84a361c5e0d065605925d81f1cdc02b45a7 Mon Sep 17 00:00:00 2001
From: lukasmartinelli <me@lukasmartinelli.ch>
Date: Sat, 8 Oct 2016 21:22:10 +0200
Subject: [PATCH] Make boundary table function immutable

---
 schema/layers/boundary.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/schema/layers/boundary.sql b/schema/layers/boundary.sql
index 8833f17..79102b4 100644
--- a/schema/layers/boundary.sql
+++ b/schema/layers/boundary.sql
@@ -121,4 +121,4 @@ RETURNS TABLE(geom geometry, admin_level int, scalerank int, class text) AS $$
     )
     SELECT geom, admin_level, scalerank::int, class FROM zoom_levels
     WHERE geom && bbox;
-$$ LANGUAGE SQL;
+$$ LANGUAGE SQL IMMUTABLE;