Ensure empty name is NULL in waterway

2016-11-29 13:33:33 +00:00 · 2016-11-29 13:33:33 +00:00 · 6f68ab999d
commit 6f68ab999d
parent 5a679e1a9b
1 changed files with 1 additions and 1 deletions
--- a/layers/waterway/waterway.sql
+++ b/layers/waterway/waterway.sql
@ -55,7 +55,7 @@ CREATE OR REPLACE VIEW waterway_z14 AS (

 CREATE OR REPLACE FUNCTION layer_waterway(bbox geometry, zoom_level int)
 RETURNS TABLE(geometry geometry, class text, name text) AS $$
-    SELECT geometry, class, name FROM (
+    SELECT geometry, class, NULLIF(name, '') AS name FROM (
        -- etldoc: waterway_z3 ->  layer_waterway:z3
        SELECT * FROM waterway_z3 WHERE zoom_level = 3
        UNION ALL