mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-25 14:02:12 +03:00
factor out place linking sql
This commit is contained in:
Sarah Hoffmann
parent
4856f56d61
commit
c3dc66ce9c
@ -1,5 +1,119 @@
|
||||
-- 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 $$
|
||||
@ -203,7 +317,6 @@ DECLARE
|
||||
way RECORD;
|
||||
relation RECORD;
|
||||
relation_members TEXT[];
|
||||
relMember RECORD;
|
||||
linkedplacex RECORD;
|
||||
addr_item RECORD;
|
||||
search_diameter FLOAT;
|
||||
@ -581,137 +694,24 @@ BEGIN
|
||||
-- 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;
|
||||
-- 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));
|
||||
|
||||
-- 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 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
|
||||
@ -721,15 +721,30 @@ BEGIN
|
||||
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
|
||||
|
||||
@ -338,45 +338,6 @@ $$
|
||||
LANGUAGE plpgsql;
|
||||
|
||||
|
||||
CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], member TEXT)
|
||||
RETURNS TEXT[]
|
||||
AS $$
|
||||
DECLARE
|
||||
result TEXT[];
|
||||
i INTEGER;
|
||||
BEGIN
|
||||
|
||||
FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
|
||||
IF members[i+1] = member THEN
|
||||
result := result || members[i];
|
||||
END IF;
|
||||
END LOOP;
|
||||
|
||||
return result;
|
||||
END;
|
||||
$$
|
||||
LANGUAGE plpgsql IMMUTABLE;
|
||||
|
||||
|
||||
CREATE OR REPLACE FUNCTION get_osm_rel_members(members TEXT[], memberLabels TEXT[])
|
||||
RETURNS SETOF TEXT
|
||||
AS $$
|
||||
DECLARE
|
||||
i INTEGER;
|
||||
BEGIN
|
||||
|
||||
FOR i IN 1..ARRAY_UPPER(members,1) BY 2 LOOP
|
||||
IF members[i+1] = ANY(memberLabels) THEN
|
||||
RETURN NEXT members[i];
|
||||
END IF;
|
||||
END LOOP;
|
||||
|
||||
RETURN;
|
||||
END;
|
||||
$$
|
||||
LANGUAGE plpgsql IMMUTABLE;
|
||||
|
||||
|
||||
CREATE OR REPLACE FUNCTION quad_split_geometry(geometry GEOMETRY, maxarea FLOAT,
|
||||
maxdepth INTEGER)
|
||||
RETURNS SETOF GEOMETRY
|
||||
|
||||
Loading…
Reference in New Issue
Block a user