remove postcodes entirely from indexing

[nominatim.git] / sql / functions / placex_triggers.sql

diff --git a/sql/functions/placex_triggers.sql b/sql/functions/placex_triggers.sql
index 3faed24bb3cc31e951df20ccf8257c2a9fec2443..0102d2c819d83c59f8a6047e732102e67d2341bb 100644 (file)
--- a/sql/functions/placex_triggers.sql
+++ b/sql/functions/placex_triggers.sql
@@ -92,7 +92,7 @@ BEGIN
     END IF;
 
     IF fallback THEN
     END IF;
 
     IF fallback THEN

-      IF ST_Area(bbox) < 0.01 THEN
+      IF ST_Area(bbox) < 0.005 THEN

         -- for smaller features get the nearest road
         SELECT getNearestRoadPlaceId(poi_partition, bbox) INTO parent_place_id;
         --DEBUG: RAISE WARNING 'Checked for nearest way (%)', parent_place_id;
         -- for smaller features get the nearest road
         SELECT getNearestRoadPlaceId(poi_partition, bbox) INTO parent_place_id;
         --DEBUG: RAISE WARNING 'Checked for nearest way (%)', parent_place_id;


@@ -574,11 +574,27 @@ BEGIN
          where linked_place_id = NEW.place_id;
   -- update not necessary for osmline, cause linked_place_id does not exist
 
          where linked_place_id = NEW.place_id;
   -- update not necessary for osmline, cause linked_place_id does not exist
 

+  NEW.extratags := NEW.extratags - 'linked_place'::TEXT;
+

   IF NEW.linked_place_id is not null THEN
     --DEBUG: RAISE WARNING 'place already linked to %', NEW.linked_place_id;
     RETURN NEW;
   END IF;
 
   IF NEW.linked_place_id is not null THEN
     --DEBUG: RAISE WARNING 'place already linked to %', NEW.linked_place_id;
     RETURN NEW;
   END IF;
 

+  -- Postcodes are just here to compute the centroids. They are not searchable
+  -- unless they are a boundary=postal_code.
+  -- There was an error in the style so that boundary=postal_code used to be
+  -- imported as place=postcode. That's why relations are allowed to pass here.
+  -- This can go away in a couple of versions.
+  IF NEW.class = 'place'  and NEW.type = 'postcode' and NEW.osm_type != 'R' THEN
+    RETURN NEW;
+  END IF;
+
+  -- Speed up searches - just use the centroid of the feature
+  -- cheaper but less acurate
+  NEW.centroid := ST_PointOnSurface(NEW.geometry);
+  --DEBUG: RAISE WARNING 'Computing preliminary centroid at %',ST_AsText(NEW.centroid);
+

   -- recompute the ranks, they might change when linking changes
   SELECT * INTO NEW.rank_search, NEW.rank_address
     FROM compute_place_rank(NEW.country_code,
   -- recompute the ranks, they might change when linking changes
   SELECT * INTO NEW.rank_search, NEW.rank_address
     FROM compute_place_rank(NEW.country_code,


@@ -589,10 +605,16 @@ BEGIN
                             (NEW.extratags->'capital') = 'yes',
                             NEW.address->'postcode');
   -- We must always increase the address level relative to the admin boundary.
                             (NEW.extratags->'capital') = 'yes',
                             NEW.address->'postcode');
   -- We must always increase the address level relative to the admin boundary.

-  IF NEW.class = 'boundary' and NEW.type = 'administrative' THEN
-    parent_address_level := get_parent_address_level(NEW.geometry, NEW.admin_level);
+  IF NEW.class = 'boundary' and NEW.type = 'administrative'
+     and NEW.osm_type = 'R' and NEW.rank_address > 0
+  THEN
+    parent_address_level := get_parent_address_level(NEW.centroid, NEW.admin_level);

     IF parent_address_level >= NEW.rank_address THEN
     IF parent_address_level >= NEW.rank_address THEN

-      NEW.rank_address := parent_address_level + 2;
+      IF parent_address_level >= 24 THEN
+        NEW.rank_address := 25;
+      ELSE
+        NEW.rank_address := parent_address_level + 2;
+      END IF;

     END IF;
   ELSE
     parent_address_level := 3;
     END IF;
   ELSE
     parent_address_level := 3;


@@ -626,11 +648,6 @@ BEGIN
       END IF;
   END IF;
 
       END IF;
   END IF;
 

-  -- Speed up searches - just use the centroid of the feature
-  -- cheaper but less acurate
-  NEW.centroid := ST_PointOnSurface(NEW.geometry);
-  --DEBUG: RAISE WARNING 'Computing preliminary centroid at %',ST_AsText(NEW.centroid);
-

   NEW.postcode := null;
 
   -- recalculate country and partition
   NEW.postcode := null;
 
   -- recalculate country and partition


@@ -836,7 +853,8 @@ BEGIN
       SELECT address_rank INTO place_address_level
         FROM compute_place_rank(NEW.country_code, 'A', 'place',
                                 NEW.extratags->'place', 0::SMALLINT, False, null);
       SELECT address_rank INTO place_address_level
         FROM compute_place_rank(NEW.country_code, 'A', 'place',
                                 NEW.extratags->'place', 0::SMALLINT, False, null);

-      IF place_address_level > parent_address_level THEN
+      IF place_address_level > parent_address_level and
+         place_address_level < 26 THEN

         NEW.rank_address := place_address_level;
       END IF;
     END IF;
         NEW.rank_address := place_address_level;
       END IF;
     END IF;


@@ -856,7 +874,9 @@ BEGIN
   END IF;
 
   SELECT * FROM insert_addresslines(NEW.place_id, NEW.partition,
   END IF;
 
   SELECT * FROM insert_addresslines(NEW.place_id, NEW.partition,

-                                    NEW.rank_search, NEW.address,
+                                    CASE WHEN NEW.rank_address = 0
+                                      THEN NEW.rank_search ELSE NEW.rank_address END,
+                                    NEW.address,

                                     CASE WHEN NEW.rank_search >= 26
                                              AND NEW.rank_search < 30
                                       THEN NEW.geometry ELSE NEW.centroid END)
                                     CASE WHEN NEW.rank_search >= 26
                                              AND NEW.rank_search < 30
                                       THEN NEW.geometry ELSE NEW.centroid END)


@@ -918,10 +938,14 @@ DECLARE
 BEGIN
   -- RAISE WARNING 'placex_delete % %',OLD.osm_type,OLD.osm_id;
 
 BEGIN
   -- RAISE WARNING 'placex_delete % %',OLD.osm_type,OLD.osm_id;
 

-  update placex set linked_place_id = null, indexed_status = 2 where linked_place_id = OLD.place_id and indexed_status = 0;
-  --DEBUG: RAISE WARNING 'placex_delete:01 % %',OLD.osm_type,OLD.osm_id;
-  update placex set linked_place_id = null where linked_place_id = OLD.place_id;
-  --DEBUG: RAISE WARNING 'placex_delete:02 % %',OLD.osm_type,OLD.osm_id;
+  IF OLD.linked_place_id is null THEN
+    update placex set linked_place_id = null, indexed_status = 2 where linked_place_id = OLD.place_id and indexed_status = 0;
+    --DEBUG: RAISE WARNING 'placex_delete:01 % %',OLD.osm_type,OLD.osm_id;
+    update placex set linked_place_id = null where linked_place_id = OLD.place_id;
+    --DEBUG: RAISE WARNING 'placex_delete:02 % %',OLD.osm_type,OLD.osm_id;
+  ELSE
+    update placex set indexed_status = 2 where place_id = OLD.linked_place_id and indexed_status = 0;
+  END IF;

 
   IF OLD.rank_address < 30 THEN
 
 
   IF OLD.rank_address < 30 THEN