From 9f640f0c35acdd4f6d186839fce16ab00a456be9 Mon Sep 17 00:00:00 2001
From: John Krauss <irving.krauss@gmail.com>
Date: Fri, 9 Dec 2016 21:47:30 +0000
Subject: [PATCH] use simple envelope for very complex geometries in
 obs_getgetgeometryscores

---
 src/pg/sql/42_observatory_exploration.sql | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/pg/sql/42_observatory_exploration.sql b/src/pg/sql/42_observatory_exploration.sql
index 7ba3297..86a531e 100644
--- a/src/pg/sql/42_observatory_exploration.sql
+++ b/src/pg/sql/42_observatory_exploration.sql
@@ -434,6 +434,11 @@ CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetGeometryScores(
 ) AS $$
 BEGIN
   filter_geom_ids := COALESCE(filter_geom_ids, (ARRAY[])::TEXT[]);
+  -- Very complex geometries simply fail.  For a boundary check, we can
+  -- comfortably get away with the simplicity of an envelope
+  IF ST_Npoints(bounds) > 10000 THEN
+    bounds := ST_Envelope(bounds);
+  END IF;
   RETURN QUERY
   EXECUTE format($string$
     SELECT