From 5fd186a3113e500a21a65eb8e034792c0e0bf5eb Mon Sep 17 00:00:00 2001
From: Brian Sperlongano <zelonewolf@gmail.com>
Date: Tue, 30 Jan 2024 03:25:58 -0500
Subject: [PATCH] Add missing NULLIF (#1625)

In some cases that empty aggregated brunnel attributes was coming through in the tiles in the transportation_name layer.
---
 layers/transportation_name/transportation_name.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/layers/transportation_name/transportation_name.sql b/layers/transportation_name/transportation_name.sql
index db0e9010..be120dfe 100644
--- a/layers/transportation_name/transportation_name.sql
+++ b/layers/transportation_name/transportation_name.sql
@@ -47,7 +47,7 @@ SELECT geometry,
                THEN highway
            ELSE subclass
            END AS subclass,
-       brunnel,
+       NULLIF(brunnel, '') AS brunnel,
        NULLIF(layer, 0) AS layer,
        "level",
        CASE WHEN indoor = TRUE THEN 1 END AS indoor