X-Git-Url: https://git.openstreetmap.org/nominatim.git/blobdiff_plain/0da481f207b1aabc5943ea4ab99914d9b1f50b82..507fdd4f40ea9a7fe77b90847d8e6e90a3cbbbd0:/lib-sql/functions/placex_triggers.sql?ds=sidebyside

diff --git a/lib-sql/functions/placex_triggers.sql b/lib-sql/functions/placex_triggers.sql
index 9a31f3ae..8ae8cf39 100644
--- a/lib-sql/functions/placex_triggers.sql
+++ b/lib-sql/functions/placex_triggers.sql
@@ -1,27 +1,33 @@
 -- Trigger functions for the placex table.
 
+-- Information returned by update preparation.
+DROP TYPE IF EXISTS prepare_update_info CASCADE;
+CREATE TYPE prepare_update_info AS (
+  name HSTORE,
+  address HSTORE,
+  rank_address SMALLINT,
+  country_code TEXT,
+  class TEXT,
+  type TEXT,
+  linked_place_id BIGINT
+);
+
 -- Retrieve the data needed by the indexer for updating the place.
---
--- Return parameters:
---  name            list of names
---  address         list of address tags, either from the object or a surrounding
---                  building
---  country_feature If the place is a country feature, this contains the
---                  country code, otherwise it is null.
-CREATE OR REPLACE FUNCTION placex_prepare_update(p placex,
-                                                 OUT name HSTORE,
-                                                 OUT address HSTORE,
-                                                 OUT country_feature VARCHAR)
+CREATE OR REPLACE FUNCTION placex_indexing_prepare(p placex)
+  RETURNS prepare_update_info
   AS $$
+DECLARE
+  location RECORD;
+  result prepare_update_info;
 BEGIN
   -- For POI nodes, check if the address should be derived from a surrounding
   -- building.
   IF p.rank_search < 30 OR p.osm_type != 'N' OR p.address is not null THEN
-    address := p.address;
+    result.address := p.address;
   ELSE
     -- The additional && condition works around the misguided query
     -- planner of postgis 3.0.
-    SELECT placex.address || hstore('_inherited', '') INTO address
+    SELECT placex.address || hstore('_inherited', '') INTO result.address
       FROM placex
      WHERE ST_Covers(geometry, p.centroid)
            and geometry && p.centroid
@@ -31,15 +37,26 @@ BEGIN
      LIMIT 1;
   END IF;
 
-  address := address - '_unlisted_place'::TEXT;
-  name := p.name;
+  result.address := result.address - '_unlisted_place'::TEXT;
+  result.name := p.name;
+  result.class := p.class;
+  result.type := p.type;
+  result.country_code := p.country_code;
+  result.rank_address := p.rank_address;
+
+  -- Names of linked places need to be merged in, so search for a linkable
+  -- place already here.
+  SELECT * INTO location FROM find_linked_place(p);
+
+  IF location.place_id is not NULL THEN
+    result.linked_place_id := location.place_id;
+
+    IF NOT location.name IS NULL THEN
+      result.name := location.name || result.name;
+    END IF;
+  END IF;
 
-  country_feature := CASE WHEN p.admin_level = 2
-                               and p.class = 'boundary' and p.type = 'administrative'
-                               and p.osm_type = 'R'
-                          THEN p.country_code
-                          ELSE null
-                     END;
+  RETURN result;
 END;
 $$
 LANGUAGE plpgsql STABLE;
@@ -89,8 +106,7 @@ CREATE OR REPLACE FUNCTION find_parent_for_poi(poi_osm_type CHAR(1),
                                                poi_osm_id BIGINT,
                                                poi_partition SMALLINT,
                                                bbox GEOMETRY,
-                                               addr_street INTEGER[],
-                                               addr_place INTEGER[],
+                                               token_info JSONB,
                                                is_place_addr BOOLEAN)
   RETURNS BIGINT
   AS $$
@@ -104,8 +120,7 @@ BEGIN
   parent_place_id := find_associated_street(poi_osm_type, poi_osm_id);
 
   IF parent_place_id is null THEN
-    parent_place_id := find_parent_for_address(addr_street, addr_place,
-                                               poi_partition, bbox);
+    parent_place_id := find_parent_for_address(token_info, poi_partition, bbox);
   END IF;
 
   IF parent_place_id is null and poi_osm_type = 'N' THEN
@@ -318,13 +333,14 @@ BEGIN
     WHERE s.place_id = parent_place_id;
 
   FOR addr_item IN
-    SELECT (get_addr_tag_rank(key, country)).*, match_tokens, search_tokens
-      FROM token_get_address_tokens(token_info)
-      WHERE not search_tokens <@ parent_address_vector
+    SELECT (get_addr_tag_rank(key, country)).*, key,
+           token_get_address_search_tokens(token_info, key) as search_tokens
+      FROM token_get_address_keys(token_info) as key
+      WHERE not token_get_address_search_tokens(token_info, key) <@ parent_address_vector
   LOOP
     addr_place := get_address_place(in_partition, geometry,
                                     addr_item.from_rank, addr_item.to_rank,
-                                    addr_item.extent, addr_item.match_tokens);
+                                    addr_item.extent, token_info, addr_item.key);
 
     IF addr_place is null THEN
       -- No place found in OSM that matches. Make it at least searchable.
@@ -432,14 +448,16 @@ BEGIN
 
   FOR location IN
     SELECT (get_address_place(partition, geometry, from_rank, to_rank,
-                              extent, match_tokens)).*, search_tokens
-      FROM (SELECT (get_addr_tag_rank(key, country)).*, match_tokens, search_tokens
-              FROM token_get_address_tokens(token_info)) x
+                              extent, token_info, key)).*, key
+      FROM (SELECT (get_addr_tag_rank(key, country)).*, key
+              FROM token_get_address_keys(token_info) as key) x
       ORDER BY rank_address, distance, isguess desc
   LOOP
     IF location.place_id is null THEN
       {% if not db.reverse_only %}
-      nameaddress_vector := array_merge(nameaddress_vector, location.search_tokens);
+      nameaddress_vector := array_merge(nameaddress_vector,
+                                        token_get_address_search_tokens(token_info,
+                                                                        location.key));
       {% endif %}
     ELSE
       {% if not db.reverse_only %}
@@ -674,15 +692,14 @@ DECLARE
   parent_address_level SMALLINT;
   place_address_level SMALLINT;
 
-  addr_street INTEGER[];
-  addr_place INTEGER[];
-
   max_rank SMALLINT;
 
   name_vector INTEGER[];
   nameaddress_vector INTEGER[];
   addr_nameaddress_vector INTEGER[];
 
+  linked_place BIGINT;
+
   linked_node_id BIGINT;
   linked_importance FLOAT;
   linked_wikipedia TEXT;
@@ -718,9 +735,14 @@ BEGIN
 
   NEW.extratags := NEW.extratags - 'linked_place'::TEXT;
 
+  -- NEW.linked_place_id contains the precomputed linkee. Save this and restore
+  -- the previous link status.
+  linked_place := NEW.linked_place_id;
+  NEW.linked_place_id := OLD.linked_place_id;
+
   IF NEW.linked_place_id is not null THEN
     NEW.token_info := null;
-    {% if debug %}RAISE WARNING 'place already linked to %', NEW.linked_place_id;{% endif %}
+    {% if debug %}RAISE WARNING 'place already linked to %', OLD.linked_place_id;{% endif %}
     RETURN NEW;
   END IF;
 
@@ -838,8 +860,6 @@ BEGIN
   END IF;
 
   NEW.housenumber := token_normalized_housenumber(NEW.token_info);
-  addr_street := token_addr_street_match_tokens(NEW.token_info);
-  addr_place := token_addr_place_match_tokens(NEW.token_info);
 
   NEW.postcode := null;
 
@@ -885,7 +905,7 @@ BEGIN
     NEW.parent_place_id := find_parent_for_poi(NEW.osm_type, NEW.osm_id,
                                                NEW.partition,
                                                ST_Envelope(NEW.geometry),
-                                               addr_street, addr_place,
+                                               NEW.token_info,
                                                is_place_address);
 
     -- If we found the road take a shortcut here.
@@ -911,7 +931,7 @@ BEGIN
       -- determine postcode
       NEW.postcode := coalesce(token_normalized_postcode(NEW.address->'postcode'),
                                location.postcode,
-                               get_nearest_postcode(NEW.country_code, NEW.geometry));
+                               get_nearest_postcode(NEW.country_code, NEW.centroid));
 
       IF NEW.name is not NULL THEN
           NEW.name := add_default_place_name(NEW.country_code, NEW.name);
@@ -956,8 +976,9 @@ BEGIN
   -- ---------------------------------------------------------------------------
   -- Full indexing
   {% if debug %}RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;{% endif %}
-  SELECT * INTO location FROM find_linked_place(NEW);
-  IF location.place_id is not null THEN
+  IF linked_place is not null THEN
+    SELECT * INTO location FROM placex WHERE place_id = linked_place;
+
     {% if debug %}RAISE WARNING 'Linked %', location;{% endif %}
 
     -- Use the linked point as the centre point of the geometry,
@@ -974,11 +995,6 @@ BEGIN
       NEW.rank_address := location.rank_address;
     END IF;
 
-    -- merge in the label name
-    IF NOT location.name IS NULL THEN
-      NEW.name := location.name || NEW.name;
-    END IF;
-
     -- merge in extra tags
     NEW.extratags := hstore('linked_' || location.class, location.type)
                      || coalesce(location.extratags, ''::hstore)
