-- Trigger functions for the placex table.
+CREATE OR REPLACE FUNCTION get_rel_node_members(members TEXT[], memberLabels TEXT[])
+ RETURNS SETOF BIGINT
+ AS $$
+DECLARE
+ i INTEGER;
+BEGIN
+ FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
+ IF members[i+1] = ANY(memberLabels)
+ AND upper(substring(members[i], 1, 1))::char(1) = 'N'
+ THEN
+ RETURN NEXT substring(members[i], 2)::bigint;
+ END IF;
+ END LOOP;
+
+ RETURN;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
+
+-- Try to find a linked place for the given object.
+CREATE OR REPLACE FUNCTION find_linked_place(bnd placex)
+ RETURNS placex
+ AS $$
+DECLARE
+ relation_members TEXT[];
+ rel_member RECORD;
+ linked_placex placex%ROWTYPE;
+ bnd_name TEXT;
+BEGIN
+ IF bnd.rank_search >= 26 or bnd.rank_address = 0
+ or ST_GeometryType(bnd.geometry) NOT IN ('ST_Polygon','ST_MultiPolygon')
+ THEN
+ RETURN NULL;
+ END IF;
+
+ IF bnd.osm_type = 'R' THEN
+ -- see if we have any special relation members
+ SELECT members FROM planet_osm_rels WHERE id = bnd.osm_id INTO relation_members;
+ --DEBUG: RAISE WARNING 'Got relation members';
+
+ -- Search for relation members with role 'lable'.
+ IF relation_members IS NOT NULL THEN
+ FOR rel_member IN
+ SELECT get_rel_node_members(relation_members, ARRAY['label']) as member
+ LOOP
+ --DEBUG: RAISE WARNING 'Found label member %', rel_member.member;
+
+ FOR linked_placex IN
+ SELECT * from placex
+ WHERE osm_type = 'N' and osm_id = rel_member.member
+ and class = 'place'
+ LOOP
+ --DEBUG: RAISE WARNING 'Linked label member';
+ RETURN linked_placex;
+ END LOOP;
+
+ END LOOP;
+ END IF;
+ END IF;
+
+ IF bnd.name ? 'name' THEN
+ bnd_name := make_standard_name(bnd.name->'name');
+ IF bnd_name = '' THEN
+ bnd_name := NULL;
+ END IF;
+ END IF;
+
+ -- Search for relation members with role admin_center.
+ IF bnd.osm_type = 'R' and bnd_name is not null
+ and relation_members is not null THEN
+ FOR rel_member IN
+ SELECT get_rel_node_members(relation_members,
+ ARRAY['admin_center','admin_centre']) as member
+ LOOP
+ --DEBUG: RAISE WARNING 'Found admin_center member %', rel_member.member;
+ FOR linked_placex IN
+ SELECT * from placex
+ WHERE osm_type = 'N' and osm_id = rel_member.member
+ and class = 'place'
+ LOOP
+ -- For an admin centre we also want a name match - still not perfect,
+ -- for example 'new york, new york'
+ -- But that can be fixed by explicitly setting the label in the data
+ IF bnd_name = make_standard_name(linked_placex.name->'name')
+ AND bnd.rank_address = linked_placex.rank_address
+ THEN
+ RETURN linked_placex;
+ END IF;
+ --DEBUG: RAISE WARNING 'Linked admin_center';
+ END LOOP;
+ END LOOP;
+ END IF;
+
+ -- Name searches can be done for ways as well as relations
+ IF bnd.osm_type in ('W','R') and bnd_name is not null THEN
+ --DEBUG: RAISE WARNING 'Looking for nodes with matching names';
+ FOR linked_placex IN
+ SELECT placex.* from placex
+ WHERE make_standard_name(name->'name') = bnd_name
+ AND placex.rank_address = bnd.rank_address
+ AND placex.osm_type = 'N'
+ AND st_covers(geometry, placex.geometry)
+ LOOP
+ --DEBUG: RAISE WARNING 'Found matching place node %', linkedPlacex.osm_id;
+ RETURN linked_placex;
+ END LOOP;
+ END IF;
+
+ RETURN NULL;
+END;
+$$
+LANGUAGE plpgsql;
+
CREATE OR REPLACE FUNCTION placex_insert()
RETURNS TRIGGER
AS $$
way RECORD;
relation RECORD;
relation_members TEXT[];
- relMember RECORD;
linkedplacex RECORD;
addr_item RECORD;
search_diameter FLOAT;
-- Full indexing
--DEBUG: RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;
- IF NEW.osm_type = 'R' AND NEW.rank_search < 26 THEN
-
- -- see if we have any special relation members
- select members from planet_osm_rels where id = NEW.osm_id INTO relation_members;
- --DEBUG: RAISE WARNING 'Got relation members';
-
- IF relation_members IS NOT NULL THEN
- FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['label']) as member LOOP
- --DEBUG: RAISE WARNING 'Found label member %', relMember.member;
-
- FOR linkedPlacex IN select * from placex where osm_type = upper(substring(relMember.member,1,1))::char(1)
- and osm_id = substring(relMember.member,2,10000)::bigint
- and class = 'place' order by rank_search desc limit 1 LOOP
-
- -- If we don't already have one use this as the centre point of the geometry
- IF NEW.centroid IS NULL THEN
- NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
- END IF;
-
- -- merge in the label name, re-init word vector
- IF NOT linkedPlacex.name IS NULL THEN
- NEW.name := linkedPlacex.name || NEW.name;
- name_vector := array_merge(name_vector, make_keywords(linkedPlacex.name));
- END IF;
-
- -- merge in extra tags
- NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
-
- -- mark the linked place (excludes from search results)
- UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
-
- select wikipedia, importance
- FROM compute_importance(linkedPlacex.extratags, NEW.country_code,
- 'N', linkedPlacex.osm_id)
- INTO linked_wikipedia,linked_importance;
- --DEBUG: RAISE WARNING 'Linked label member';
- END LOOP;
-
- END LOOP;
-
- IF NEW.centroid IS NULL THEN
-
- FOR relMember IN select get_osm_rel_members(relation_members,ARRAY['admin_center','admin_centre']) as member LOOP
- --DEBUG: RAISE WARNING 'Found admin_center member %', relMember.member;
-
- FOR linkedPlacex IN select * from placex where osm_type = upper(substring(relMember.member,1,1))::char(1)
- and osm_id = substring(relMember.member,2,10000)::bigint
- and class = 'place' order by rank_search desc limit 1 LOOP
-
- -- For an admin centre we also want a name match - still not perfect, for example 'new york, new york'
- -- But that can be fixed by explicitly setting the label in the data
- IF make_standard_name(NEW.name->'name') = make_standard_name(linkedPlacex.name->'name')
- AND NEW.rank_address = linkedPlacex.rank_address THEN
-
- -- If we don't already have one use this as the centre point of the geometry
- IF NEW.centroid IS NULL THEN
- NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
- END IF;
-
- -- merge in the name, re-init word vector
- IF NOT linkedPlacex.name IS NULL THEN
- NEW.name := linkedPlacex.name || NEW.name;
- name_vector := make_keywords(NEW.name);
- END IF;
-
- -- merge in extra tags
- NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
-
- -- mark the linked place (excludes from search results)
- UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
-
- select wikipedia, importance
- FROM compute_importance(linkedPlacex.extratags, NEW.country_code,
- 'N', linkedPlacex.osm_id)
- INTO linked_wikipedia,linked_importance;
- --DEBUG: RAISE WARNING 'Linked admin_center';
- END IF;
-
- END LOOP;
-
- END LOOP;
-
- END IF;
+ FOR linkedPlacex IN SELECT * FROM find_linked_place(NEW) LOOP
+ -- If we don't already have one use this as the centre point of the geometry
+ IF NEW.centroid IS NULL THEN
+ --DEBUG: RAISE WARNING 'Linked %', linkedPlacex;
+ NEW.centroid := coalesce(linkedPlacex.centroid,
+ ST_Centroid(linkedPlacex.geometry));
END IF;
+ place_centroid := NEW.centroid;
- 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 AND NEW.rank_address > 0 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
-
- --DEBUG: RAISE WARNING 'Looking for nodes with matching names';
- FOR linkedPlacex IN select placex.* from placex WHERE
- make_standard_name(name->'name') = make_standard_name(NEW.name->'name')
- AND placex.rank_address = NEW.rank_address
- AND placex.place_id != NEW.place_id
- AND placex.osm_type = 'N'::char(1) AND placex.rank_search < 26
- AND st_covers(NEW.geometry, placex.geometry)
- LOOP
- --DEBUG: RAISE WARNING 'Found matching place node %', linkedPlacex.osm_id;
- -- If we don't already have one use this as the centre point of the geometry
- IF NEW.centroid IS NULL THEN
- NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
- END IF;
+ -- merge in the label name, re-init word vector
+ IF NOT linkedPlacex.name IS NULL THEN
+ NEW.name := linkedPlacex.name || NEW.name;
+ name_vector := array_merge(name_vector, make_keywords(linkedPlacex.name));
- -- merge in the name, re-init word vector
- NEW.name := linkedPlacex.name || NEW.name;
- name_vector := make_keywords(NEW.name);
-
- -- merge in extra tags
- NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type) || coalesce(linkedPlacex.extratags, ''::hstore) || coalesce(NEW.extratags, ''::hstore);
-
- -- mark the linked place (excludes from search results)
- UPDATE placex set linked_place_id = NEW.place_id where place_id = linkedPlacex.place_id;
-
- select wikipedia, importance
- FROM compute_importance(linkedPlacex.extratags, NEW.country_code,
- 'N', linkedPlacex.osm_id)
- INTO linked_wikipedia,linked_importance;
- --DEBUG: RAISE WARNING 'Linked named place';
- END LOOP;
- END IF;
-
- IF NEW.centroid IS NOT NULL THEN
- place_centroid := NEW.centroid;
- -- Place might have had only a name tag before but has now received translations
- -- from the linked place. Make sure a name tag for the default language exists in
- -- this case.
- IF NEW.name is not null AND array_upper(akeys(NEW.name),1) > 1 THEN
+ -- Place might have had only a name tag before but has now received
+ -- translations from the linked place. Make sure a name tag for the
+ -- default language exists in this case.
+ IF array_upper(akeys(NEW.name), 1) > 1 THEN
default_language := get_country_language_code(NEW.country_code);
IF default_language IS NOT NULL THEN
IF NEW.name ? 'name' AND NOT NEW.name ? ('name:'||default_language) THEN
END IF;
END IF;
END IF;
- --DEBUG: RAISE WARNING 'Names updated from linked places';
END IF;
+ -- merge in extra tags
+ NEW.extratags := hstore(linkedPlacex.class, linkedPlacex.type)
+ || coalesce(linkedPlacex.extratags, ''::hstore)
+ || coalesce(NEW.extratags, ''::hstore);
+
+ -- mark the linked place (excludes from search results)
+ UPDATE placex set linked_place_id = NEW.place_id
+ WHERE place_id = linkedPlacex.place_id;
+
+ SELECT wikipedia, importance
+ FROM compute_importance(linkedPlacex.extratags, NEW.country_code,
+ 'N', linkedPlacex.osm_id)
+ INTO linked_wikipedia,linked_importance;
+
-- Use the maximum importance if a one could be computed from the linked object.
IF linked_importance is not null AND
- (NEW.importance is null or NEW.importance < linked_importance) THEN
- NEW.importance = linked_importance;
+ (NEW.importance is null or NEW.importance < linked_importance)
+ THEN
+ NEW.importance = linked_importance;
END IF;
- END IF;
+
+ END LOOP;
-- make sure all names are in the word table
IF NEW.admin_level = 2 AND NEW.class = 'boundary' AND NEW.type = 'administrative' AND NEW.country_code IS NOT NULL AND NEW.osm_type = 'R' THEN
projects / nominatim.git / commitdiff