X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/75c631f08093d0cc7330d313bd3bb58cb2c1924b..d32a7c18881a3dcbafbe3544187c6636a966ded0:/lib-sql/functions/placex_triggers.sql diff --git a/lib-sql/functions/placex_triggers.sql b/lib-sql/functions/placex_triggers.sql index 8ae8cf39..9463bb27 100644 --- a/lib-sql/functions/placex_triggers.sql +++ b/lib-sql/functions/placex_triggers.sql @@ -1,3 +1,10 @@ +-- SPDX-License-Identifier: GPL-2.0-only +-- +-- This file is part of Nominatim. (https://nominatim.org) +-- +-- Copyright (C) 2022 by the Nominatim developer community. +-- For a full list of authors see the git log. + -- Trigger functions for the placex table. -- Information returned by update preparation. @@ -19,12 +26,13 @@ CREATE OR REPLACE FUNCTION placex_indexing_prepare(p placex) DECLARE location RECORD; result prepare_update_info; + extra_names HSTORE; 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 + IF p.rank_search < 30 OR p.osm_type != 'N' THEN result.address := p.address; - ELSE + ELSEIF p.address is null THEN -- The additional && condition works around the misguided query -- planner of postgis 3.0. SELECT placex.address || hstore('_inherited', '') INTO result.address @@ -35,10 +43,27 @@ BEGIN and (placex.address ? 'housenumber' or placex.address ? 'street' or placex.address ? 'place') and rank_search = 30 AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') LIMIT 1; + ELSE + result.address := p.address; + -- See if we can inherit addtional address tags from an interpolation. + -- These will become permanent. + FOR location IN + SELECT (address - 'interpolation'::text - 'housenumber'::text) as address + FROM place, planet_osm_ways w + WHERE place.osm_type = 'W' and place.address ? 'interpolation' + and place.geometry && p.geometry + and place.osm_id = w.id + and p.osm_id = any(w.nodes) + LOOP + result.address := location.address || result.address; + END LOOP; END IF; + -- remove internal and derived names result.address := result.address - '_unlisted_place'::TEXT; - result.name := p.name; + SELECT hstore(array_agg(key), array_agg(value)) INTO result.name + FROM each(p.name) WHERE key not like '\_%'; + result.class := p.class; result.type := p.type; result.country_code := p.country_code; @@ -51,8 +76,20 @@ BEGIN 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; + IF location.name is not NULL THEN + {% if debug %}RAISE WARNING 'Names original: %, location: %', result.name, location.name;{% endif %} + -- Add all names from the place nodes that deviate from the name + -- in the relation with the prefix '_place_'. Deviation means that + -- either the value is different or a given key is missing completely + SELECT hstore(array_agg('_place_' || key), array_agg(value)) INTO extra_names + FROM each(location.name - result.name); + {% if debug %}RAISE WARNING 'Extra names: %', extra_names;{% endif %} + + IF extra_names is not null THEN + result.name := result.name || extra_names; + END IF; + + {% if debug %}RAISE WARNING 'Final names: %', result.name;{% endif %} END IF; END IF; @@ -124,18 +161,6 @@ BEGIN END IF; IF parent_place_id is null and poi_osm_type = 'N' THEN - -- Is this node part of an interpolation? - FOR location IN - SELECT q.parent_place_id - FROM location_property_osmline q, planet_osm_ways x - WHERE q.linegeo && bbox and x.id = q.osm_id - and poi_osm_id = any(x.nodes) - LIMIT 1 - LOOP - {% if debug %}RAISE WARNING 'Get parent from interpolation: %', location.parent_place_id;{% endif %} - RETURN location.parent_place_id; - END LOOP; - FOR location IN SELECT p.place_id, p.osm_id, p.rank_search, p.address, coalesce(p.centroid, ST_Centroid(p.geometry)) as centroid @@ -333,9 +358,10 @@ BEGIN WHERE s.place_id = parent_place_id; FOR addr_item IN - SELECT (get_addr_tag_rank(key, country)).*, key, + SELECT ranks.*, key, token_get_address_search_tokens(token_info, key) as search_tokens - FROM token_get_address_keys(token_info) as key + FROM token_get_address_keys(token_info) as key, + LATERAL get_addr_tag_rank(key, country) as ranks WHERE not token_get_address_search_tokens(token_info, key) <@ parent_address_vector LOOP addr_place := get_address_place(in_partition, geometry, @@ -447,10 +473,12 @@ BEGIN address_havelevel := array_fill(false, ARRAY[maxrank]); FOR location IN - SELECT (get_address_place(partition, geometry, from_rank, to_rank, - extent, token_info, key)).*, key - FROM (SELECT (get_addr_tag_rank(key, country)).*, key - FROM token_get_address_keys(token_info) as key) x + SELECT apl.*, key + FROM (SELECT extra.*, key + FROM token_get_address_keys(token_info) as key, + LATERAL get_addr_tag_rank(key, country) as extra) x, + LATERAL get_address_place(partition, geometry, from_rank, to_rank, + extent, token_info, key) as apl ORDER BY rank_address, distance, isguess desc LOOP IF location.place_id is null THEN @@ -619,10 +647,7 @@ BEGIN {% if not disable_diff_updates %} -- The following is not needed until doing diff updates, and slows the main index process down - IF NEW.osm_type = 'N' and NEW.rank_search > 28 THEN - -- might be part of an interpolation - result := osmline_reinsert(NEW.osm_id, NEW.geometry); - ELSEIF NEW.rank_address > 0 THEN + IF NEW.rank_address > 0 THEN IF (ST_GeometryType(NEW.geometry) in ('ST_Polygon','ST_MultiPolygon') AND ST_IsValid(NEW.geometry)) THEN -- Performance: We just can't handle re-indexing for country level changes IF st_area(NEW.geometry) < 1 THEN @@ -649,7 +674,7 @@ BEGIN -- 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); -- reparenting also for OSM Interpolation Lines (and for Tiger?) - update location_property_osmline set indexed_status = 2 where indexed_status = 0 and ST_DWithin(location_property_osmline.linegeo, NEW.geometry, diameter); + update location_property_osmline set indexed_status = 2 where indexed_status = 0 and startnumber is not null and ST_DWithin(location_property_osmline.linegeo, 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 address ? 'place'); @@ -1038,16 +1063,22 @@ BEGIN AND NEW.class = 'boundary' AND NEW.type = 'administrative' AND NEW.country_code IS NOT NULL AND NEW.osm_type = 'R' THEN - -- Update the list of country names. Adding an additional sanity - -- check here: make sure the country does overlap with the area where - -- we expect it to be as per static country grid. + -- Update the list of country names. + -- Only take the name from the largest area for the given country code + -- in the hope that this is the authoritive one. + -- Also replace any old names so that all mapping mistakes can + -- be fixed through regular OSM updates. FOR location IN - SELECT country_code FROM country_osm_grid - WHERE ST_Covers(geometry, NEW.centroid) and country_code = NEW.country_code + SELECT osm_id FROM placex + WHERE rank_search = 4 and osm_type = 'R' + and country_code = NEW.country_code + ORDER BY ST_Area(geometry) desc LIMIT 1 LOOP - {% if debug %}RAISE WARNING 'Updating names for country '%' with: %', NEW.country_code, NEW.name;{% endif %} - UPDATE country_name SET name = name || NEW.name WHERE country_code = NEW.country_code; + IF location.osm_id = NEW.osm_id THEN + {% if debug %}RAISE WARNING 'Updating names for country '%' with: %', NEW.country_code, NEW.name;{% endif %} + UPDATE country_name SET derived_name = NEW.name WHERE country_code = NEW.country_code; + END IF; END LOOP; END IF;