OUT nameaddress_vector INT[])
AS $$
DECLARE
- current_rank_address INTEGER := 0;
- location_distance FLOAT := 0;
- location_parent GEOMETRY := NULL;
- parent_place_id_rank SMALLINT := 0;
+ address_havelevel BOOLEAN[];
location_isaddress BOOLEAN;
-
- address_havelevel BOOLEAN[];
- location_keywords INT[];
+ current_boundary GEOMETRY := NULL;
+ current_node_area GEOMETRY := NULL;
location RECORD;
addr_item RECORD;
isin_tokens INT[];
- isin TEXT[];
BEGIN
parent_place_id := 0;
nameaddress_vector := '{}'::int[];
END IF;
---- now compute the address terms
- FOR i IN 1..28 LOOP
+ FOR i IN 1..maxrank LOOP
address_havelevel[i] := false;
END LOOP;
WHEN rank_address = 16 AND rank_search = 18 THEN 0.5
ELSE 1 END ASC
LOOP
- IF location.rank_address != current_rank_address THEN
- current_rank_address := location.rank_address;
- IF location.isguess THEN
- location_distance := location.distance * 1.5;
- ELSE
- IF location.rank_address <= 12 THEN
- -- for county and above, if we have an area consider that exact
- -- (It would be nice to relax the constraint for places close to
- -- the boundary but we'd need the exact geometry for that. Too
- -- expensive.)
- location_distance = 0;
- ELSE
- -- Below county level remain slightly fuzzy.
- location_distance := location.distance * 0.5;
- END IF;
+ -- Ignore all place nodes that do not fit in a lower level boundary.
+ CONTINUE WHEN location.isguess
+ and current_boundary is not NULL
+ and not ST_Contains(current_boundary, location.centroid);
+
+ -- If this is the first item in the rank, then assume it is the address.
+ location_isaddress := not address_havelevel[location.rank_address];
+
+ -- Further sanity checks to ensure that the address forms a sane hierarchy.
+ IF location_isaddress THEN
+ IF location.isguess and current_node_area is not NULL THEN
+ location_isaddress := ST_Contains(current_node_area, location.centroid);
+ END IF;
+ IF not location.isguess and current_boundary is not NULL
+ and location.rank_address != 11 AND location.rank_address != 5 THEN
+ location_isaddress := ST_Contains(current_boundary, location.centroid);
END IF;
- ELSE
- CONTINUE WHEN location.keywords <@ location_keywords;
END IF;
- IF location.distance < location_distance OR NOT location.isguess THEN
- location_keywords := location.keywords;
+ IF location_isaddress THEN
+ address_havelevel[location.rank_address] := true;
+ parent_place_id := location.place_id;
- location_isaddress := NOT address_havelevel[location.rank_address];
- --DEBUG: RAISE WARNING 'should be address: %, is guess: %, rank: %', location_isaddress, location.isguess, location.rank_address;
- IF location_isaddress AND location.isguess AND location_parent IS NOT NULL THEN
- location_isaddress := ST_Contains(location_parent, location.centroid);
+ -- Set postcode if we have one.
+ -- (Returned will be the highest ranking one.)
+ IF location.postcode is not NULL THEN
+ postcode = location.postcode;
END IF;
- --DEBUG: RAISE WARNING '% isaddress: %', location.place_id, location_isaddress;
- -- Add it to the list of search terms
- IF NOT %REVERSE-ONLY% THEN
- nameaddress_vector := array_merge(nameaddress_vector,
- location.keywords::integer[]);
- END IF;
-
- INSERT INTO place_addressline (place_id, address_place_id, fromarea,
- isaddress, distance, cached_rank_address)
- VALUES (obj_place_id, location.place_id, true,
- location_isaddress, location.distance, location.rank_address);
-
- IF location_isaddress THEN
- -- add postcode if we have one
- -- (If multiple postcodes are available, we end up with the highest ranking one.)
- IF location.postcode is not null THEN
- postcode = location.postcode;
- END IF;
-
- address_havelevel[location.rank_address] := true;
- -- add a hack against postcode ranks
- IF NOT location.isguess
- AND location.rank_address != 11 AND location.rank_address != 5
- THEN
+ -- Recompute the areas we need for hierarchy sanity checks.
+ IF location.rank_address != 11 AND location.rank_address != 5 THEN
+ IF location.isguess THEN
+ current_node_area := place_node_fuzzy_area(location.centroid,
+ location.rank_search);
+ ELSE
+ current_node_area := NULL;
SELECT p.geometry FROM placex p
- WHERE p.place_id = location.place_id INTO location_parent;
- END IF;
-
- IF location.rank_address > parent_place_id_rank THEN
- parent_place_id = location.place_id;
- parent_place_id_rank = location.rank_address;
+ WHERE p.place_id = location.place_id INTO current_boundary;
END IF;
END IF;
END IF;
+ -- Add it to the list of search terms
+ IF NOT %REVERSE-ONLY% THEN
+ nameaddress_vector := array_merge(nameaddress_vector,
+ location.keywords::integer[]);
+ END IF;
+
+ INSERT INTO place_addressline (place_id, address_place_id, fromarea,
+ isaddress, distance, cached_rank_address)
+ VALUES (obj_place_id, location.place_id, true,
+ location_isaddress, location.distance, location.rank_address);
END LOOP;
END;
$$