Merge pull request #4280 from pnorman/waterway

Create a partial index for waterways

indexes.sql

@@ -11,6 +11,9 @@ CREATE INDEX planet_osm_line_name
 CREATE INDEX planet_osm_line_river
   ON planet_osm_line USING GIST (way)
   WHERE waterway = 'river';
+CREATE INDEX planet_osm_line_waterway
+  ON planet_osm_line USING GIST (way)
+  WHERE waterway IN ('river', 'canal', 'stream', 'drain', 'ditch');
 CREATE INDEX planet_osm_point_place
   ON planet_osm_point USING GIST (way)
   WHERE place IS NOT NULL AND name IS NOT NULL;

indexes.yml

@@ -13,6 +13,8 @@ line:
     where: route = 'ferry' AND osm_id > 0
   river:
     where: waterway = 'river'
+  waterway:
+    where: waterway IN ('river', 'canal', 'stream', 'drain', 'ditch')
 polygon:
   # The polygon table is by far the largest, and generally the slowest
   name: