+-- 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)
-- 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;
$$
-- Find the parent of an address with addr:street/addr:place tag.
--
--- \param street Value of addr:street or NULL if tag is missing.
--- \param place Value of addr:place or NULL if tag is missing.
+-- \param token_info Naming info with the address information.
-- \param partition Partition where to search the parent.
-- \param centroid Location of the address.
--
-- \return Place ID of the parent if one was found, NULL otherwise.
-CREATE OR REPLACE FUNCTION find_parent_for_address(street INTEGER[], place INTEGER[],
+CREATE OR REPLACE FUNCTION find_parent_for_address(token_info JSONB,
partition SMALLINT,
centroid GEOMETRY)
RETURNS BIGINT
DECLARE
parent_place_id BIGINT;
BEGIN
- IF street is not null THEN
- -- Check for addr:street attributes
- -- Note that addr:street links can only be indexed, once the street itself is indexed
- parent_place_id := getNearestNamedRoadPlaceId(partition, centroid, street);
- IF parent_place_id is not null THEN
- {% if debug %}RAISE WARNING 'Get parent form addr:street: %', parent_place_id;{% endif %}
- RETURN parent_place_id;
- END IF;
+ -- Check for addr:street attributes
+ parent_place_id := getNearestNamedRoadPlaceId(partition, centroid, token_info);
+ IF parent_place_id is not null THEN
+ {% if debug %}RAISE WARNING 'Get parent from addr:street: %', parent_place_id;{% endif %}
+ RETURN parent_place_id;
END IF;
-- Check for addr:place attributes.
- IF place is not null THEN
- parent_place_id := getNearestNamedPlacePlaceId(partition, centroid, place);
- IF parent_place_id is not null THEN
- {% if debug %}RAISE WARNING 'Get parent form addr:place: %', parent_place_id;{% endif %}
- RETURN parent_place_id;
- END IF;
- END IF;
-
- RETURN NULL;
+ parent_place_id := getNearestNamedPlacePlaceId(partition, centroid, token_info);
+ {% if debug %}RAISE WARNING 'Get parent from addr:place: %', parent_place_id;{% endif %}
+ RETURN parent_place_id;
END;
$$
LANGUAGE plpgsql STABLE;
+
CREATE OR REPLACE FUNCTION delete_location(OLD_place_id BIGINT)
RETURNS BOOLEAN
AS $$
END IF;
RETURN ST_Envelope(ST_Collect(
- ST_Project(geom, radius, 0.785398)::geometry,
- ST_Project(geom, radius, 3.9269908)::geometry));
+ ST_Project(geom::geography, radius, 0.785398)::geometry,
+ ST_Project(geom::geography, radius, 3.9269908)::geometry));
END;
$$
LANGUAGE plpgsql IMMUTABLE;
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;
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;