Merge pull request #1857 from mtmail/db-migration-update-functions

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

diff --git a/sql/functions/placex_triggers.sql b/sql/functions/placex_triggers.sql
index 0151162eb74d192f7f86115276a41cc327154ce6..8d5378550b47085dbd6441e9144cd7022da41fe7 100644 (file)
--- a/sql/functions/placex_triggers.sql
+++ b/sql/functions/placex_triggers.sql
@@ -99,12 +99,12 @@ BEGIN
         --DEBUG: RAISE WARNING 'Checked for nearest way (%)', parent_place_id;
       ELSE
         -- for larger features simply find the area with the largest rank that
         --DEBUG: RAISE WARNING 'Checked for nearest way (%)', parent_place_id;
       ELSE
         -- for larger features simply find the area with the largest rank that

-        -- contains the bbox
+        -- contains the bbox, only use addressable features

         FOR location IN
           SELECT place_id FROM placex
             WHERE bbox @ geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
         FOR location IN
           SELECT place_id FROM placex
             WHERE bbox @ geometry AND _ST_Covers(geometry, ST_Centroid(bbox))

-                  AND rank_search between 5 and 25
-            ORDER BY rank_search desc
+                  AND rank_address between 5 and 25
+            ORDER BY rank_address desc

         LOOP
             RETURN location.place_id;
         END LOOP;
         LOOP
             RETURN location.place_id;
         END LOOP;


@@ -392,7 +392,6 @@ DECLARE
   country_code VARCHAR(2);
   diameter FLOAT;
   classtable TEXT;
   country_code VARCHAR(2);
   diameter FLOAT;
   classtable TEXT;

-  classtype TEXT;

 BEGIN
   --DEBUG: RAISE WARNING '% % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 
 BEGIN
   --DEBUG: RAISE WARNING '% % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 


@@ -410,8 +409,8 @@ BEGIN
     is_area := ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon');
 
     IF NEW.class in ('place','boundary')
     is_area := ST_GeometryType(NEW.geometry) IN ('ST_Polygon','ST_MultiPolygon');
 
     IF NEW.class in ('place','boundary')

-       AND NEW.type in ('postcode','postal_code') THEN
-
+       AND NEW.type in ('postcode','postal_code')
+    THEN

       IF NEW.address IS NULL OR NOT NEW.address ? 'postcode' THEN
           -- most likely just a part of a multipolygon postcode boundary, throw it away
           RETURN NULL;
       IF NEW.address IS NULL OR NOT NEW.address ? 'postcode' THEN
           -- most likely just a part of a multipolygon postcode boundary, throw it away
           RETURN NULL;


@@ -419,63 +418,28 @@ BEGIN
 
       NEW.name := hstore('ref', NEW.address->'postcode');
 
 
       NEW.name := hstore('ref', NEW.address->'postcode');
 

-      SELECT * FROM get_postcode_rank(NEW.country_code, NEW.address->'postcode')
-        INTO NEW.rank_search, NEW.rank_address;
-
-      IF NOT is_area THEN
-          NEW.rank_address := 0;
-      END IF;

     ELSEIF NEW.class = 'boundary' AND NOT is_area THEN
     ELSEIF NEW.class = 'boundary' AND NOT is_area THEN

-        return NULL;
+        RETURN NULL;

     ELSEIF NEW.class = 'boundary' AND NEW.type = 'administrative'
     ELSEIF NEW.class = 'boundary' AND NEW.type = 'administrative'

-           AND NEW.admin_level <= 4 AND NEW.osm_type = 'W' THEN
-        return NULL;
-    ELSEIF NEW.osm_type = 'N' AND NEW.class = 'highway' THEN
-        NEW.rank_search = 30;
-        NEW.rank_address = 0;
-    ELSEIF NEW.class = 'landuse' AND NOT is_area THEN
-        NEW.rank_search = 30;
-        NEW.rank_address = 0;
-    ELSE
-      -- do table lookup stuff
-      IF NEW.class = 'boundary' and NEW.type = 'administrative' THEN
-        classtype = NEW.type || NEW.admin_level::TEXT;
-      ELSE
-        classtype = NEW.type;
-      END IF;
-      SELECT l.rank_search, l.rank_address FROM address_levels l
-       WHERE (l.country_code = NEW.country_code or l.country_code is NULL)
-             AND l.class = NEW.class AND (l.type = classtype or l.type is NULL)
-       ORDER BY l.country_code, l.class, l.type LIMIT 1
-        INTO NEW.rank_search, NEW.rank_address;
-
-      IF NEW.rank_search is NULL THEN
-        NEW.rank_search := 30;
-      END IF;
-
-      IF NEW.rank_address is NULL THEN
-        NEW.rank_address := 30;
-      END IF;
+           AND NEW.admin_level <= 4 AND NEW.osm_type = 'W'
+    THEN
+        RETURN NULL;

     END IF;
 
     END IF;
 

-    -- some postcorrections
-    IF NEW.class = 'waterway' AND NEW.osm_type = 'R' THEN
-        -- Slightly promote waterway relations so that they are processed
-        -- before their members.
-        NEW.rank_search := NEW.rank_search - 1;
-    END IF;
+    SELECT * INTO NEW.rank_search, NEW.rank_address
+      FROM compute_place_rank(NEW.country_code,
+                              CASE WHEN is_area THEN 'A' ELSE NEW.osm_type END,
+                              NEW.class, NEW.type, NEW.admin_level,
+                              (NEW.extratags->'capital') = 'yes',
+                              NEW.address->'postcode');

 
 

-    IF (NEW.extratags -> 'capital') = 'yes' THEN
-      NEW.rank_search := NEW.rank_search - 1;
+    -- a country code make no sense below rank 4 (country)
+    IF NEW.rank_search < 4 THEN
+      NEW.country_code := NULL;

     END IF;
 
   END IF;
 
     END IF;
 
   END IF;
 

-  -- a country code make no sense below rank 4 (country)
-  IF NEW.rank_search < 4 THEN
-    NEW.country_code := NULL;
-  END IF;
-

   --DEBUG: RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 
   RETURN NEW; -- %DIFFUPDATES% The following is not needed until doing diff updates, and slows the main index process down
   --DEBUG: RAISE WARNING 'placex_insert:END: % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type;
 
   RETURN NEW; -- %DIFFUPDATES% The following is not needed until doing diff updates, and slows the main index process down


@@ -534,6 +498,32 @@ END;
 $$
 LANGUAGE plpgsql;
 
 $$
 LANGUAGE plpgsql;
 

+CREATE OR REPLACE FUNCTION get_parent_address_level(geom GEOMETRY, in_level SMALLINT)
+  RETURNS SMALLINT
+  AS $$
+DECLARE
+  address_rank SMALLINT;
+BEGIN
+  IF in_level <= 3 or in_level > 15 THEN
+    address_rank := 3;
+  ELSE
+    SELECT rank_address INTO address_rank
+      FROM placex
+      WHERE osm_type = 'R' and class = 'boundary' and type = 'administrative'
+            and admin_level < in_level
+            and geometry && geom and ST_Covers(geometry, geom)
+      ORDER BY admin_level desc LIMIT 1;
+  END IF;
+
+  IF address_rank is NULL or address_rank <= 3 THEN
+    RETURN 3;
+  END IF;
+
+  RETURN address_rank;
+END;
+$$
+LANGUAGE plpgsql;
+

 
 CREATE OR REPLACE FUNCTION placex_update()
   RETURNS TRIGGER
 
 CREATE OR REPLACE FUNCTION placex_update()
   RETURNS TRIGGER


@@ -544,6 +534,7 @@ DECLARE
   relation_members TEXT[];
 
   centroid GEOMETRY;
   relation_members TEXT[];
 
   centroid GEOMETRY;

+  parent_address_level SMALLINT;

 
   addr_street TEXT;
   addr_place TEXT;
 
   addr_street TEXT;
   addr_place TEXT;


@@ -588,6 +579,17 @@ BEGIN
     RETURN NEW;
   END IF;
 
     RETURN NEW;
   END IF;
 

+  -- recompute the ranks, they might change when linking changes
+  SELECT * INTO NEW.rank_search, NEW.rank_address
+    FROM compute_place_rank(NEW.country_code,
+                            CASE WHEN ST_GeometryType(NEW.geometry)
+                                        IN ('ST_Polygon','ST_MultiPolygon')
+                            THEN 'A' ELSE NEW.osm_type END,
+                            NEW.class, NEW.type, NEW.admin_level,
+                            (NEW.extratags->'capital') = 'yes',
+                            NEW.address->'postcode');
+
+

   --DEBUG: RAISE WARNING 'Copy over address tags';
   -- housenumber is a computed field, so start with an empty value
   NEW.housenumber := NULL;
   --DEBUG: RAISE WARNING 'Copy over address tags';
   -- housenumber is a computed field, so start with an empty value
   NEW.housenumber := NULL;


@@ -659,7 +661,7 @@ BEGIN
                   UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = linked_node_id;
                   IF NOT %REVERSE-ONLY% THEN
                     DELETE FROM search_name WHERE place_id = linked_node_id;
                   UPDATE placex SET linked_place_id = NEW.place_id WHERE place_id = linked_node_id;
                   IF NOT %REVERSE-ONLY% THEN
                     DELETE FROM search_name WHERE place_id = linked_node_id;

-                 END IF;
+                  END IF;

                 END LOOP;
               END IF;
           END LOOP;
                 END LOOP;
               END IF;
           END LOOP;


@@ -784,7 +786,11 @@ BEGIN
     END IF;
 
     -- Use the address rank of the linked place, if it has one
     END IF;
 
     -- Use the address rank of the linked place, if it has one

-    IF location.rank_address between 5 and 25 THEN
+    parent_address_level := get_parent_address_level(NEW.geometry, NEW.admin_level);
+    --DEBUG: RAISE WARNING 'parent address: % rank address: %', parent_address_level, location.rank_address;
+    IF location.rank_address > parent_address_level
+       and location.rank_address < 26
+    THEN

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


@@ -805,6 +811,7 @@ BEGIN
     IF NOT %REVERSE-ONLY% THEN
       DELETE FROM search_name WHERE place_id = location.place_id;
     END IF;
     IF NOT %REVERSE-ONLY% THEN
       DELETE FROM search_name WHERE place_id = location.place_id;
     END IF;

+    PERFORM deleteLocationArea(NEW.partition, location.place_id, NEW.rank_search);

 
     SELECT wikipedia, importance
       FROM compute_importance(location.extratags, NEW.country_code,
 
     SELECT wikipedia, importance
       FROM compute_importance(location.extratags, NEW.country_code,