+-- 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.
+DROP TYPE IF EXISTS prepare_update_info CASCADE;
+CREATE TYPE prepare_update_info AS (
+ name HSTORE,
+ address HSTORE,
+ rank_address SMALLINT,
+ country_code TEXT,
+ class TEXT,
+ type TEXT,
+ linked_place_id BIGINT
+);
+
-- Retrieve the data needed by the indexer for updating the place.
---
--- Return parameters:
--- name list of names
--- address list of address tags, either from the object or a surrounding
--- building
--- country_feature If the place is a country feature, this contains the
--- country code, otherwise it is null.
-CREATE OR REPLACE FUNCTION placex_prepare_update(p placex,
- OUT name HSTORE,
- OUT address HSTORE,
- OUT country_feature VARCHAR)
+CREATE OR REPLACE FUNCTION placex_indexing_prepare(p placex)
+ RETURNS prepare_update_info
AS $$
+DECLARE
+ location RECORD;
+ result prepare_update_info;
BEGIN
-- For POI nodes, check if the address should be derived from a surrounding
-- building.
IF p.rank_search < 30 OR p.osm_type != 'N' OR p.address is not null THEN
- address := p.address;
+ result.address := p.address;
ELSE
-- The additional && condition works around the misguided query
-- planner of postgis 3.0.
- SELECT placex.address || hstore('_inherited', '') INTO address
+ SELECT placex.address || hstore('_inherited', '') INTO result.address
FROM placex
WHERE ST_Covers(geometry, p.centroid)
and geometry && p.centroid
LIMIT 1;
END IF;
- address := address - '_unlisted_place'::TEXT;
- name := p.name;
+ result.address := result.address - '_unlisted_place'::TEXT;
+ result.name := p.name;
+ result.class := p.class;
+ result.type := p.type;
+ result.country_code := p.country_code;
+ result.rank_address := p.rank_address;
+
+ -- Names of linked places need to be merged in, so search for a linkable
+ -- place already here.
+ SELECT * INTO location FROM find_linked_place(p);
+
+ IF location.place_id is not NULL THEN
+ result.linked_place_id := location.place_id;
+
+ IF NOT location.name IS NULL THEN
+ result.name := location.name || result.name;
+ END IF;
+ END IF;
- country_feature := CASE WHEN p.admin_level = 2
- and p.class = 'boundary' and p.type = 'administrative'
- and p.osm_type = 'R'
- THEN p.country_code
- ELSE null
- END;
+ RETURN result;
END;
$$
LANGUAGE plpgsql STABLE;
poi_osm_id BIGINT,
poi_partition SMALLINT,
bbox GEOMETRY,
- addr_street INTEGER[],
- addr_place INTEGER[],
+ token_info JSONB,
is_place_addr BOOLEAN)
RETURNS BIGINT
AS $$
parent_place_id := find_associated_street(poi_osm_type, poi_osm_id);
IF parent_place_id is null THEN
- parent_place_id := find_parent_for_address(addr_street, addr_place,
- poi_partition, bbox);
+ parent_place_id := find_parent_for_address(token_info, poi_partition, bbox);
END IF;
IF parent_place_id is null and poi_osm_type = 'N' THEN
WHERE s.place_id = parent_place_id;
FOR addr_item IN
- SELECT (get_addr_tag_rank(key, country)).*, match_tokens, search_tokens
- FROM token_get_address_tokens(token_info)
- WHERE not search_tokens <@ parent_address_vector
+ SELECT (get_addr_tag_rank(key, country)).*, key,
+ token_get_address_search_tokens(token_info, key) as search_tokens
+ FROM token_get_address_keys(token_info) as key
+ WHERE not token_get_address_search_tokens(token_info, key) <@ parent_address_vector
LOOP
addr_place := get_address_place(in_partition, geometry,
addr_item.from_rank, addr_item.to_rank,
- addr_item.extent, addr_item.match_tokens);
+ addr_item.extent, token_info, addr_item.key);
IF addr_place is null THEN
-- No place found in OSM that matches. Make it at least searchable.
FOR location IN
SELECT (get_address_place(partition, geometry, from_rank, to_rank,
- extent, match_tokens)).*, search_tokens
- FROM (SELECT (get_addr_tag_rank(key, country)).*, match_tokens, search_tokens
- FROM token_get_address_tokens(token_info)) x
+ extent, token_info, key)).*, key
+ FROM (SELECT (get_addr_tag_rank(key, country)).*, key
+ FROM token_get_address_keys(token_info) as key) x
ORDER BY rank_address, distance, isguess desc
LOOP
IF location.place_id is null THEN
{% if not db.reverse_only %}
- nameaddress_vector := array_merge(nameaddress_vector, location.search_tokens);
+ nameaddress_vector := array_merge(nameaddress_vector,
+ token_get_address_search_tokens(token_info,
+ location.key));
{% endif %}
ELSE
{% if not db.reverse_only %}
parent_address_level SMALLINT;
place_address_level SMALLINT;
- addr_street INTEGER[];
- addr_place INTEGER[];
-
max_rank SMALLINT;
name_vector INTEGER[];
nameaddress_vector INTEGER[];
addr_nameaddress_vector INTEGER[];
+ linked_place BIGINT;
+
linked_node_id BIGINT;
linked_importance FLOAT;
linked_wikipedia TEXT;
NEW.extratags := NEW.extratags - 'linked_place'::TEXT;
+ -- NEW.linked_place_id contains the precomputed linkee. Save this and restore
+ -- the previous link status.
+ linked_place := NEW.linked_place_id;
+ NEW.linked_place_id := OLD.linked_place_id;
+
IF NEW.linked_place_id is not null THEN
NEW.token_info := null;
- {% if debug %}RAISE WARNING 'place already linked to %', NEW.linked_place_id;{% endif %}
+ {% if debug %}RAISE WARNING 'place already linked to %', OLD.linked_place_id;{% endif %}
RETURN NEW;
END IF;
END IF;
NEW.housenumber := token_normalized_housenumber(NEW.token_info);
- addr_street := token_addr_street_match_tokens(NEW.token_info);
- addr_place := token_addr_place_match_tokens(NEW.token_info);
NEW.postcode := null;
NEW.parent_place_id := find_parent_for_poi(NEW.osm_type, NEW.osm_id,
NEW.partition,
ST_Envelope(NEW.geometry),
- addr_street, addr_place,
+ NEW.token_info,
is_place_address);
-- If we found the road take a shortcut here.
-- ---------------------------------------------------------------------------
-- Full indexing
{% if debug %}RAISE WARNING 'Using full index mode for % %', NEW.osm_type, NEW.osm_id;{% endif %}
- SELECT * INTO location FROM find_linked_place(NEW);
- IF location.place_id is not null THEN
+ IF linked_place is not null THEN
+ SELECT * INTO location FROM placex WHERE place_id = linked_place;
+
{% if debug %}RAISE WARNING 'Linked %', location;{% endif %}
-- Use the linked point as the centre point of the geometry,
NEW.rank_address := location.rank_address;
END IF;
- -- merge in the label name
- IF NOT location.name IS NULL THEN
- NEW.name := location.name || NEW.name;
- END IF;
-
-- merge in extra tags
NEW.extratags := hstore('linked_' || location.class, location.type)
|| coalesce(location.extratags, ''::hstore)
projects / nominatim.git / blobdiff