add small penalty for special searches

[nominatim.git] / sql / functions.sql

diff --git a/sql/functions.sql b/sql/functions.sql
index 3af87a4bc76171598f958c3c5009dc427e7c6d0a..929e5376c4665a2a22fd81e625af837327153718 100644 (file)
--- a/sql/functions.sql
+++ b/sql/functions.sql
@@ -495,6 +495,12 @@ BEGIN
 
 --DEBUG: RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);
 
 
 --DEBUG: RAISE WARNING 'get_country_code, start: %', ST_AsText(place_centre);
 

+  -- Try for a OSM polygon
+  FOR nearcountry IN select country_code from location_area_country where country_code is not null and not isguess and st_covers(geometry, place_centre) limit 1
+  LOOP
+    RETURN nearcountry.country_code;
+  END LOOP;
+

 --DEBUG: RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
 
   -- Try for OSM fallback data
 --DEBUG: RAISE WARNING 'osm fallback: %', ST_AsText(place_centre);
 
   -- Try for OSM fallback data


@@ -504,12 +510,6 @@ BEGIN
     RETURN nearcountry.country_code;
   END LOOP;
 
     RETURN nearcountry.country_code;
   END LOOP;
 

-  -- Try for a OSM polygon
-  FOR nearcountry IN select country_code from location_area_country where country_code is not null and not isguess and st_covers(geometry, place_centre) limit 1
-  LOOP
-    RETURN nearcountry.country_code;
-  END LOOP;
-

 --DEBUG: RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
 
   -- Natural earth data
 --DEBUG: RAISE WARNING 'natural earth: %', ST_AsText(place_centre);
 
   -- Natural earth data


@@ -823,9 +823,13 @@ BEGIN
 
       FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
 
 
       FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
 

-        select min(place_id) from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and type = 'house' INTO search_place_id;
+        -- If there is a place of a type other than place/house, use that because
+        -- it is guaranteed to be the original node. For place/house types use the
+        -- one with the smallest id because the original node was created first.
+        -- Ignore all nodes marked for deletion. (Might happen when the type changes.)
+        select place_id from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and indexed_status < 100 order by (type = 'house'),place_id limit 1 INTO search_place_id;

         IF search_place_id IS NULL THEN
         IF search_place_id IS NULL THEN

-          -- null record of right type
+          -- if no such node exists, create a record of the right type

           select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and type = 'house' limit 1 INTO nextnode;
           select ST_SetSRID(ST_Point(lon::float/10000000,lat::float/10000000),4326) from planet_osm_nodes where id = waynodes[nodeidpos] INTO nextnode.geometry;
           IF nextnode.geometry IS NULL THEN
           select * from placex where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT and type = 'house' limit 1 INTO nextnode;
           select ST_SetSRID(ST_Point(lon::float/10000000,lat::float/10000000),4326) from planet_osm_nodes where id = waynodes[nodeidpos] INTO nextnode.geometry;
           IF nextnode.geometry IS NULL THEN


@@ -890,7 +894,7 @@ BEGIN
                 -- ideally postcodes should move up to the way
                 insert into placex (osm_type, osm_id, class, type, admin_level, housenumber, street, addr_place, isin, postcode,
                   country_code, parent_place_id, rank_address, rank_search, indexed_status, geometry)
                 -- ideally postcodes should move up to the way
                 insert into placex (osm_type, osm_id, class, type, admin_level, housenumber, street, addr_place, isin, postcode,
                   country_code, parent_place_id, rank_address, rank_search, indexed_status, geometry)

-                  values ('N',prevnode.osm_id, prevnode.class, prevnode.type, prevnode.admin_level, housenum, prevnode.street, prevnode.addr_place, prevnode.isin, coalesce(prevnode.postcode, defpostalcode),
+                  values ('N',prevnode.osm_id, 'place', 'house', prevnode.admin_level, housenum, prevnode.street, prevnode.addr_place, prevnode.isin, coalesce(prevnode.postcode, defpostalcode),

                   prevnode.country_code, prevnode.parent_place_id, prevnode.rank_address, prevnode.rank_search, 1, ST_Line_Interpolate_Point(linegeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float));
                 newpoints := newpoints + 1;
 --RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;
                   prevnode.country_code, prevnode.parent_place_id, prevnode.rank_address, prevnode.rank_search, 1, ST_Line_Interpolate_Point(linegeo, (housenum::float-orginalstartnumber::float)/originalnumberrange::float));
                 newpoints := newpoints + 1;
 --RAISE WARNING 'interpolation number % % ',prevnode.place_id,housenum;


@@ -1090,10 +1094,10 @@ BEGIN
       ELSEIF NEW.type in ('national_park') THEN
         NEW.rank_search := 18;
         NEW.rank_address := 18;
       ELSEIF NEW.type in ('national_park') THEN
         NEW.rank_search := 18;
         NEW.rank_address := 18;

-      ELSEIF NEW.type in ('suburb','croft','subdivision') THEN
+      ELSEIF NEW.type in ('suburb','croft','subdivision','isolated_dwelling') THEN

         NEW.rank_search := 20;
         NEW.rank_address := NEW.rank_search;
         NEW.rank_search := 20;
         NEW.rank_address := NEW.rank_search;

-      ELSEIF NEW.type in ('farm','locality','islet','isolated_dwelling','mountain_pass') THEN
+      ELSEIF NEW.type in ('farm','locality','islet','mountain_pass') THEN

         NEW.rank_search := 20;
         NEW.rank_address := 0;
         -- Irish townlands, tagged as place=locality and locality=townland
         NEW.rank_search := 20;
         NEW.rank_address := 0;
         -- Irish townlands, tagged as place=locality and locality=townland


@@ -1196,9 +1200,9 @@ BEGIN
 
       -- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
       update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
 
       -- work around bug in postgis, this may have been fixed in 2.0.0 (see http://trac.osgeo.org/postgis/ticket/547)
       update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 

-       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null);
+       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));

       update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 
       update placex set indexed_status = 2 where (st_covers(NEW.geometry, placex.geometry) OR ST_Intersects(NEW.geometry, placex.geometry)) 

-       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null);
+       AND rank_search > NEW.rank_search and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (NEW.rank_search >= 16 and addr_place is not null));

     END IF;
   ELSE
     -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(
     END IF;
   ELSE
     -- mark nearby items for re-indexing, where 'nearby' depends on the features rank_search and is a complete guess :(


@@ -1226,6 +1230,9 @@ BEGIN
       IF NEW.rank_search >= 26 THEN
         -- roads may cause reparenting for >27 rank places
         update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);
       IF NEW.rank_search >= 26 THEN
         -- roads may cause reparenting for >27 rank places
         update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter);

+      ELSEIF NEW.rank_search >= 16 THEN
+        -- up to rank 16, street-less addresses may need reparenting
+        update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null or addr_place is not null);

       ELSE
         -- for all other places the search terms may change as well
         update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null);
       ELSE
         -- for all other places the search terms may change as well
         update placex set indexed_status = 2 where indexed_status = 0 and rank_search > NEW.rank_search and ST_DWithin(placex.geometry, NEW.geometry, diameter) and (rank_search < 28 or name is not null);


@@ -1350,13 +1357,26 @@ BEGIN
     NEW.centroid := null;
 
     -- reclaculate country and partition
     NEW.centroid := null;
 
     -- reclaculate country and partition

-    IF NEW.rank_search >= 4 THEN
-      --NEW.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
-      NEW.calculated_country_code := lower(get_country_code(place_centroid));
+    IF NEW.rank_search = 4 THEN
+      -- for countries, believe the mapped country code,
+      -- so that we remain in the right partition if the boundaries
+      -- suddenly expand.
+      NEW.partition := get_partition(place_centroid, lower(NEW.country_code));
+      IF NEW.partition = 0 THEN
+        NEW.calculated_country_code := lower(get_country_code(place_centroid));
+        NEW.partition := get_partition(place_centroid, NEW.calculated_country_code);
+      ELSE
+        NEW.calculated_country_code := lower(NEW.country_code);
+      END IF;

     ELSE
     ELSE

-      NEW.calculated_country_code := NULL;
+      IF NEW.rank_search > 4 THEN
+        --NEW.calculated_country_code := lower(get_country_code(NEW.geometry, NEW.country_code));
+        NEW.calculated_country_code := lower(get_country_code(place_centroid));
+      ELSE
+        NEW.calculated_country_code := NULL;
+      END IF;
+      NEW.partition := get_partition(place_centroid, NEW.calculated_country_code);

     END IF;
     END IF;

-    NEW.partition := get_partition(place_centroid, NEW.calculated_country_code);

     NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
 
     -- Adding ourselves to the list simplifies address calculations later
     NEW.geometry_sector := geometry_sector(NEW.partition, place_centroid);
 
     -- Adding ourselves to the list simplifies address calculations later


@@ -1669,6 +1689,11 @@ BEGIN
         END IF;
       END IF;
 
         END IF;
       END IF;
 

+    END IF;
+
+    -- Name searches can be done for ways as well as relations
+    IF NEW.osm_type in ('W','R') AND NEW.rank_search < 26 THEN
+

       -- not found one yet? how about doing a name search
       IF NEW.centroid IS NULL AND (NEW.name->'name') is not null and make_standard_name(NEW.name->'name') != '' THEN
 
       -- not found one yet? how about doing a name search
       IF NEW.centroid IS NULL AND (NEW.name->'name') is not null and make_standard_name(NEW.name->'name') != '' THEN
 


@@ -2210,7 +2235,7 @@ BEGIN
      OR coalesce(existing.extratags::text, '') != coalesce(NEW.extratags::text, '')
      OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
      OR coalesce(existing.street, '') != coalesce(NEW.street, '')
      OR coalesce(existing.extratags::text, '') != coalesce(NEW.extratags::text, '')
      OR coalesce(existing.housenumber, '') != coalesce(NEW.housenumber, '')
      OR coalesce(existing.street, '') != coalesce(NEW.street, '')

-     OR coalesce(existing.addr_street, '') != coalesce(NEW.addr_street, '')
+     OR coalesce(existing.addr_place, '') != coalesce(NEW.addr_place, '')

      OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
      OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
      OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')
      OR coalesce(existing.isin, '') != coalesce(NEW.isin, '')
      OR coalesce(existing.postcode, '') != coalesce(NEW.postcode, '')
      OR coalesce(existing.country_code, '') != coalesce(NEW.country_code, '')


@@ -2227,6 +2252,7 @@ BEGIN
       postcode = NEW.postcode,
       country_code = NEW.country_code,
       extratags = NEW.extratags,
       postcode = NEW.postcode,
       country_code = NEW.country_code,
       extratags = NEW.extratags,

+      admin_level = NEW.admin_level,

       geometry = NEW.geometry
       where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
 
       geometry = NEW.geometry
       where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class and type = NEW.type;
 


@@ -2240,6 +2266,7 @@ BEGIN
       country_code = NEW.country_code,
       parent_place_id = null,
       extratags = NEW.extratags,
       country_code = NEW.country_code,
       parent_place_id = null,
       extratags = NEW.extratags,

+      admin_level = NEW.admin_level,

       indexed_status = 2,    
       geometry = NEW.geometry
       where place_id = existingplacex.place_id;
       indexed_status = 2,    
       geometry = NEW.geometry
       where place_id = existingplacex.place_id;


@@ -3055,9 +3082,9 @@ BEGIN
     IF ST_GeometryType(placegeom) in ('ST_Polygon','ST_MultiPolygon') THEN
       FOR geom IN select split_geometry(placegeom) FROM placex WHERE place_id = placeid LOOP
         update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry)) 
     IF ST_GeometryType(placegeom) in ('ST_Polygon','ST_MultiPolygon') THEN
       FOR geom IN select split_geometry(placegeom) FROM placex WHERE place_id = placeid LOOP
         update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry)) 

-        AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null);
+        AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) = 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and addr_place is not null));

         update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry)) 
         update placex set indexed_status = 2 where (st_covers(geom, placex.geometry) OR ST_Intersects(geom, placex.geometry)) 

-        AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null);
+        AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and addr_place is not null));

       END LOOP;
     ELSE
         diameter := 0;
       END LOOP;
     ELSE
         diameter := 0;


@@ -3077,7 +3104,16 @@ BEGIN
           diameter := 0.001; -- 50 to 100 meters
         END IF;
         IF diameter > 0 THEN
           diameter := 0.001; -- 50 to 100 meters
         END IF;
         IF diameter > 0 THEN

-          update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null);
+          IF rank >= 26 THEN
+            -- roads may cause reparenting for >27 rank places
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter);
+          ELSEIF rank >= 16 THEN
+            -- up to rank 16, street-less addresses may need reparenting
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null or addr_place is not null);
+          ELSE
+            -- for all other places the search terms may change as well
+            update placex set indexed_status = 2 where indexed_status = 0 and rank_search > rank and ST_DWithin(placex.geometry, placegeom, diameter) and (rank_search < 28 or name is not null);
+          END IF;

         END IF;
     END IF;
     RETURN TRUE;
         END IF;
     END IF;
     RETURN TRUE;