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fix handling of postcode areas in addresses

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The order of preference is now:
1. a post code on the place itself
2. a post code area in the address
3. the computed postcode from the place

Fixes #1723.
This commit is contained in:
Sarah Hoffmann
2020-03-30 23:27:48 +02:00
parent 19948c378a
commit 4930f776fe
1 changed files with 19 additions and 11 deletions
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30
sql/functions/address_lookup.sql
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@@ -96,7 +96,7 @@ DECLARE
searchhousename HSTORE; searchhousename HSTORE;
searchrankaddress INTEGER; searchrankaddress INTEGER;
searchpostcode TEXT; searchpostcode TEXT;
postcode_isaddress BOOL; postcode_isexact BOOL;
searchclass TEXT; searchclass TEXT;
searchtype TEXT; searchtype TEXT;
countryname HSTORE; countryname HSTORE;
@@ -104,7 +104,7 @@ BEGIN
-- The place ein question might not have a direct entry in place_addressline. -- The place ein question might not have a direct entry in place_addressline.
-- Look for the parent of such places then and save if in for_place_id. -- Look for the parent of such places then and save if in for_place_id.
postcode_isaddress := true; postcode_isexact := false;
-- first query osmline (interpolation lines) -- first query osmline (interpolation lines)
IF in_housenumber >= 0 THEN IF in_housenumber >= 0 THEN
@@ -151,12 +151,13 @@ BEGIN
-- POI objects in the placex table -- POI objects in the placex table
IF for_place_id IS NULL THEN IF for_place_id IS NULL THEN
SELECT parent_place_id, country_code, housenumber, rank_search, postcode, SELECT parent_place_id, country_code, housenumber, rank_search,
postcode, address is not null and address ? 'postcode',
name, class, type name, class, type
FROM placex FROM placex
WHERE place_id = in_place_id and rank_search > 27 WHERE place_id = in_place_id and rank_search > 27
INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress, INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress,
searchpostcode, searchhousename, searchclass, searchtype; searchpostcode, postcode_isexact, searchhousename, searchclass, searchtype;
END IF; END IF;
-- If for_place_id is still NULL at this point then the object has its own -- If for_place_id is still NULL at this point then the object has its own
@@ -164,9 +165,10 @@ BEGIN
-- place we should be using instead. -- place we should be using instead.
IF for_place_id IS NULL THEN IF for_place_id IS NULL THEN
select coalesce(linked_place_id, place_id), country_code, select coalesce(linked_place_id, place_id), country_code,
housenumber, rank_search, postcode, null housenumber, rank_search, postcode,
address is not null and address ? 'postcode', null
from placex where place_id = in_place_id from placex where place_id = in_place_id
INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, searchhousename; INTO for_place_id, searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode, postcode_isexact, searchhousename;
END IF; END IF;
--RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode; --RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchrankaddress, searchpostcode;
@@ -220,10 +222,16 @@ BEGIN
IF searchcountrycode IS NULL AND location.country_code IS NOT NULL THEN IF searchcountrycode IS NULL AND location.country_code IS NOT NULL THEN
searchcountrycode := location.country_code; searchcountrycode := location.country_code;
END IF; END IF;
IF location.type in ('postcode', 'postal_code') THEN IF location.type in ('postcode', 'postal_code')
postcode_isaddress := false; AND searchpostcode is not null
IF location.osm_type != 'R' THEN THEN
location.isaddress := FALSE; -- If the place had a postcode assigned, take this one only
-- into consideration when it is an area and the place does not have
-- a postcode itself.
IF location.fromarea AND not postcode_isexact AND location.isaddress THEN
searchpostcode := null; -- remove the less exact postcode
ELSE
location.isaddress := false;
END IF; END IF;
END IF; END IF;
countrylocation := ROW(location.place_id, location.osm_type, location.osm_id, countrylocation := ROW(location.place_id, location.osm_type, location.osm_id,
@@ -269,7 +277,7 @@ BEGIN
IF searchpostcode IS NOT NULL THEN IF searchpostcode IS NOT NULL THEN
location := ROW(null, null, null, hstore('ref', searchpostcode), 'place', location := ROW(null, null, null, hstore('ref', searchpostcode), 'place',
'postcode', null, null, false, postcode_isaddress, 5, 0)::addressline; 'postcodes', null, null, false, true, 5, 0)::addressline;
RETURN NEXT location; RETURN NEXT location;
END IF; END IF;