X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/d75a235c1f9ad7bc490ee01ea360d62ddfa54e8e..247065ff6f6f096c609729080b83896235aedfc8:/lib-sql/functions/utils.sql diff --git a/lib-sql/functions/utils.sql b/lib-sql/functions/utils.sql index c308d025..f8b365c5 100644 --- a/lib-sql/functions/utils.sql +++ b/lib-sql/functions/utils.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. + -- Assorted helper functions for the triggers. CREATE OR REPLACE FUNCTION geometry_sector(partition INTEGER, place geometry) @@ -66,6 +73,26 @@ END; $$ LANGUAGE plpgsql IMMUTABLE; + +CREATE OR REPLACE FUNCTION get_rel_node_members(members JSONB, memberLabels TEXT[]) + RETURNS SETOF BIGINT + AS $$ +DECLARE + member JSONB; +BEGIN + FOR member IN SELECT * FROM jsonb_array_elements(members) + LOOP + IF member->>'type' = 'N' and member->>'role' = ANY(memberLabels) THEN + RETURN NEXT (member->>'ref')::bigint; + END IF; + END LOOP; + + RETURN; +END; +$$ +LANGUAGE plpgsql IMMUTABLE; + + -- Copy 'name' to or from the default language. -- -- \param country_code Country code of the object being named. @@ -163,15 +190,6 @@ BEGIN -- RAISE WARNING 'near osm fallback: %', ST_AsText(place_centre); - -- - FOR nearcountry IN - SELECT country_code from country_osm_grid - WHERE st_dwithin(geometry, place_centre, 0.5) - ORDER BY st_distance(geometry, place_centre) asc, area asc limit 1 - LOOP - RETURN nearcountry.country_code; - END LOOP; - RETURN NULL; END; $$ @@ -215,13 +233,12 @@ LANGUAGE plpgsql STABLE; -- Find the parent of an address with addr:street/addr:place tag. -- --- \param street Value of addr:street or NULL if tag is missing. --- \param place Value of addr:place or NULL if tag is missing. +-- \param token_info Naming info with the address information. -- \param partition Partition where to search the parent. -- \param centroid Location of the address. -- -- \return Place ID of the parent if one was found, NULL otherwise. -CREATE OR REPLACE FUNCTION find_parent_for_address(street INTEGER[], place INTEGER[], +CREATE OR REPLACE FUNCTION find_parent_for_address(token_info JSONB, partition SMALLINT, centroid GEOMETRY) RETURNS BIGINT @@ -229,30 +246,22 @@ CREATE OR REPLACE FUNCTION find_parent_for_address(street INTEGER[], place INTEG DECLARE parent_place_id BIGINT; BEGIN - IF street is not null THEN - -- Check for addr:street attributes - -- Note that addr:street links can only be indexed, once the street itself is indexed - parent_place_id := getNearestNamedRoadPlaceId(partition, centroid, street); - IF parent_place_id is not null THEN - {% if debug %}RAISE WARNING 'Get parent form addr:street: %', parent_place_id;{% endif %} - RETURN parent_place_id; - END IF; + -- Check for addr:street attributes + parent_place_id := getNearestNamedRoadPlaceId(partition, centroid, token_info); + IF parent_place_id is not null THEN + {% if debug %}RAISE WARNING 'Get parent from addr:street: %', parent_place_id;{% endif %} + RETURN parent_place_id; END IF; -- Check for addr:place attributes. - IF place is not null THEN - parent_place_id := getNearestNamedPlacePlaceId(partition, centroid, place); - IF parent_place_id is not null THEN - {% if debug %}RAISE WARNING 'Get parent form addr:place: %', parent_place_id;{% endif %} - RETURN parent_place_id; - END IF; - END IF; - - RETURN NULL; + parent_place_id := getNearestNamedPlacePlaceId(partition, centroid, token_info); + {% if debug %}RAISE WARNING 'Get parent from addr:place: %', parent_place_id;{% endif %} + RETURN parent_place_id; END; $$ LANGUAGE plpgsql STABLE; + CREATE OR REPLACE FUNCTION delete_location(OLD_place_id BIGINT) RETURNS BOOLEAN AS $$ @@ -284,8 +293,8 @@ BEGIN END IF; RETURN ST_Envelope(ST_Collect( - ST_Project(geom, radius, 0.785398)::geometry, - ST_Project(geom, radius, 3.9269908)::geometry)); + ST_Project(geom::geography, radius, 0.785398)::geometry, + ST_Project(geom::geography, radius, 3.9269908)::geometry)); END; $$ LANGUAGE plpgsql IMMUTABLE; @@ -427,6 +436,20 @@ END; $$ LANGUAGE plpgsql IMMUTABLE; +CREATE OR REPLACE FUNCTION simplify_large_polygons(geometry GEOMETRY) + RETURNS GEOMETRY + AS $$ +BEGIN + IF ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') + and ST_MemSize(geometry) > 3000000 + THEN + geometry := ST_SimplifyPreserveTopology(geometry, 0.0001); + END IF; + RETURN geometry; +END; +$$ +LANGUAGE plpgsql IMMUTABLE; + CREATE OR REPLACE FUNCTION place_force_delete(placeid BIGINT) RETURNS BOOLEAN @@ -440,9 +463,10 @@ BEGIN SELECT osm_type, osm_id, class, type FROM placex WHERE place_id = placeid INTO osmtype, osmid, pclass, ptype; DELETE FROM import_polygon_delete where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype; DELETE FROM import_polygon_error where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype; - -- force delete from place/placex by making it a very small geometry - UPDATE place set geometry = ST_SetSRID(ST_Point(0,0), 4326) where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype; - DELETE FROM place where osm_type = osmtype and osm_id = osmid and class = pclass and type = ptype; + -- force delete by directly entering it into the to-be-deleted table + INSERT INTO place_to_be_deleted (osm_type, osm_id, class, type, deferred) + VALUES(osmtype, osmid, pclass, ptype, false); + PERFORM flush_deleted_places(); RETURN TRUE; END; @@ -497,3 +521,56 @@ BEGIN END; $$ LANGUAGE plpgsql; + +CREATE OR REPLACE FUNCTION flush_deleted_places() + RETURNS INTEGER + AS $$ +BEGIN + -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through + INSERT INTO import_polygon_delete (osm_type, osm_id, class, type) + SELECT osm_type, osm_id, class, type FROM place_to_be_deleted WHERE deferred; + + -- delete from place table + ALTER TABLE place DISABLE TRIGGER place_before_delete; + DELETE FROM place USING place_to_be_deleted + WHERE place.osm_type = place_to_be_deleted.osm_type + and place.osm_id = place_to_be_deleted.osm_id + and place.class = place_to_be_deleted.class + and place.type = place_to_be_deleted.type + and not deferred; + ALTER TABLE place ENABLE TRIGGER place_before_delete; + + -- Mark for delete in the placex table + UPDATE placex SET indexed_status = 100 FROM place_to_be_deleted + WHERE placex.osm_type = 'N' and place_to_be_deleted.osm_type = 'N' + and placex.osm_id = place_to_be_deleted.osm_id + and placex.class = place_to_be_deleted.class + and placex.type = place_to_be_deleted.type + and not deferred; + UPDATE placex SET indexed_status = 100 FROM place_to_be_deleted + WHERE placex.osm_type = 'W' and place_to_be_deleted.osm_type = 'W' + and placex.osm_id = place_to_be_deleted.osm_id + and placex.class = place_to_be_deleted.class + and placex.type = place_to_be_deleted.type + and not deferred; + UPDATE placex SET indexed_status = 100 FROM place_to_be_deleted + WHERE placex.osm_type = 'R' and place_to_be_deleted.osm_type = 'R' + and placex.osm_id = place_to_be_deleted.osm_id + and placex.class = place_to_be_deleted.class + and placex.type = place_to_be_deleted.type + and not deferred; + + -- Mark for delete in interpolations + UPDATE location_property_osmline SET indexed_status = 100 FROM place_to_be_deleted + WHERE place_to_be_deleted.osm_type = 'W' + and place_to_be_deleted.class = 'place' + and place_to_be_deleted.type = 'houses' + and location_property_osmline.osm_id = place_to_be_deleted.osm_id + and not deferred; + + -- Clear todo list. + TRUNCATE TABLE place_to_be_deleted; + + RETURN NULL; +END; +$$ LANGUAGE plpgsql;