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https://github.com/osm-search/Nominatim.git
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rename sql directory to lib-sql
Also introduces a separate constant for the sql directory, so that it can be put separately from the rest of the data if required.
This commit is contained in:
Sarah Hoffmann
317
lib-sql/functions/address_lookup.sql
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317
lib-sql/functions/address_lookup.sql
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@@ -0,0 +1,317 @@
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-- Functions for returning address information for a place.
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DROP TYPE IF EXISTS addressline CASCADE;
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CREATE TYPE addressline as (
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place_id BIGINT,
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osm_type CHAR(1),
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osm_id BIGINT,
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name HSTORE,
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class TEXT,
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type TEXT,
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place_type TEXT,
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admin_level INTEGER,
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fromarea BOOLEAN,
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isaddress BOOLEAN,
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rank_address INTEGER,
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distance FLOAT
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);
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CREATE OR REPLACE FUNCTION get_name_by_language(name hstore, languagepref TEXT[])
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RETURNS TEXT
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AS $$
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DECLARE
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result TEXT;
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BEGIN
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IF name is null THEN
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RETURN null;
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END IF;
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FOR j IN 1..array_upper(languagepref,1) LOOP
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IF name ? languagepref[j] THEN
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result := trim(name->languagepref[j]);
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IF result != '' THEN
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return result;
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END IF;
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END IF;
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END LOOP;
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-- anything will do as a fallback - just take the first name type thing there is
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RETURN trim((avals(name))[1]);
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END;
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$$
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LANGUAGE plpgsql IMMUTABLE;
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--housenumber only needed for tiger data
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CREATE OR REPLACE FUNCTION get_address_by_language(for_place_id BIGINT,
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housenumber INTEGER,
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languagepref TEXT[])
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RETURNS TEXT
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AS $$
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DECLARE
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result TEXT[];
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currresult TEXT;
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prevresult TEXT;
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location RECORD;
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BEGIN
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result := '{}';
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prevresult := '';
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FOR location IN
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SELECT name,
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CASE WHEN place_id = for_place_id THEN 99 ELSE rank_address END as rank_address
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FROM get_addressdata(for_place_id, housenumber)
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WHERE isaddress order by rank_address desc
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LOOP
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currresult := trim(get_name_by_language(location.name, languagepref));
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IF currresult != prevresult AND currresult IS NOT NULL
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AND result[(100 - location.rank_address)] IS NULL
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THEN
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result[(100 - location.rank_address)] := currresult;
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prevresult := currresult;
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END IF;
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END LOOP;
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RETURN array_to_string(result,', ');
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END;
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$$
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LANGUAGE plpgsql STABLE;
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DROP TYPE IF EXISTS addressdata_place;
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CREATE TYPE addressdata_place AS (
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place_id BIGINT,
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country_code VARCHAR(2),
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housenumber TEXT,
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postcode TEXT,
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class TEXT,
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type TEXT,
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name HSTORE,
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address HSTORE,
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centroid GEOMETRY
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);
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-- Compute the list of address parts for the given place.
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--
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-- If in_housenumber is greator or equal 0, look for an interpolation.
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CREATE OR REPLACE FUNCTION get_addressdata(in_place_id BIGINT, in_housenumber INTEGER)
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RETURNS setof addressline
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AS $$
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DECLARE
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place addressdata_place;
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location RECORD;
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current_rank_address INTEGER;
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location_isaddress BOOLEAN;
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BEGIN
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-- The place in question might not have a direct entry in place_addressline.
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-- Look for the parent of such places then and save it in place.
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-- first query osmline (interpolation lines)
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IF in_housenumber >= 0 THEN
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SELECT parent_place_id as place_id, country_code,
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in_housenumber as housenumber, postcode,
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'place' as class, 'house' as type,
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null as name, null as address,
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ST_Centroid(linegeo) as centroid
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INTO place
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FROM location_property_osmline
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WHERE place_id = in_place_id
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AND in_housenumber between startnumber and endnumber;
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END IF;
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--then query tiger data
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-- %NOTIGERDATA% IF 0 THEN
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IF place IS NULL AND in_housenumber >= 0 THEN
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SELECT parent_place_id as place_id, 'us' as country_code,
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in_housenumber as housenumber, postcode,
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'place' as class, 'house' as type,
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null as name, null as address,
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ST_Centroid(linegeo) as centroid
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INTO place
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FROM location_property_tiger
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WHERE place_id = in_place_id
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AND in_housenumber between startnumber and endnumber;
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END IF;
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-- %NOTIGERDATA% END IF;
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-- %NOAUXDATA% IF 0 THEN
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IF place IS NULL THEN
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SELECT parent_place_id as place_id, 'us' as country_code,
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housenumber, postcode,
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'place' as class, 'house' as type,
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null as name, null as address,
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centroid
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INTO place
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FROM location_property_aux
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WHERE place_id = in_place_id;
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END IF;
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-- %NOAUXDATA% END IF;
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-- postcode table
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IF place IS NULL THEN
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SELECT parent_place_id as place_id, country_code,
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null::text as housenumber, postcode,
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'place' as class, 'postcode' as type,
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null as name, null as address,
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null as centroid
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INTO place
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FROM location_postcode
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WHERE place_id = in_place_id;
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END IF;
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-- POI objects in the placex table
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IF place IS NULL THEN
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SELECT parent_place_id as place_id, country_code,
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housenumber, postcode,
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class, type,
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name, address,
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centroid
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INTO place
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FROM placex
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WHERE place_id = in_place_id and rank_search > 27;
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END IF;
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-- If place is still NULL at this point then the object has its own
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-- entry in place_address line. However, still check if there is not linked
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-- place we should be using instead.
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IF place IS NULL THEN
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select coalesce(linked_place_id, place_id) as place_id, country_code,
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housenumber, postcode,
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class, type,
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null as name, address,
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null as centroid
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INTO place
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FROM placex where place_id = in_place_id;
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END IF;
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--RAISE WARNING '% % % %',searchcountrycode, searchhousenumber, searchpostcode;
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-- --- Return the record for the base entry.
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FOR location IN
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SELECT placex.place_id, osm_type, osm_id, name,
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coalesce(extratags->'linked_place', extratags->'place') as place_type,
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class, type, admin_level,
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CASE WHEN rank_address = 0 THEN 100
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WHEN rank_address = 11 THEN 5
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ELSE rank_address END as rank_address,
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country_code
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FROM placex
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WHERE place_id = place.place_id
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LOOP
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--RAISE WARNING '%',location;
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IF location.rank_address < 4 THEN
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-- no country locations for ranks higher than country
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place.country_code := NULL::varchar(2);
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ELSEIF place.country_code IS NULL AND location.country_code IS NOT NULL THEN
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place.country_code := location.country_code;
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END IF;
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RETURN NEXT ROW(location.place_id, location.osm_type, location.osm_id,
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location.name, location.class, location.type,
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location.place_type,
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location.admin_level, true,
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location.type not in ('postcode', 'postal_code'),
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location.rank_address, 0)::addressline;
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current_rank_address := location.rank_address;
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END LOOP;
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-- --- Return records for address parts.
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FOR location IN
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SELECT placex.place_id, osm_type, osm_id, name, class, type,
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coalesce(extratags->'linked_place', extratags->'place') as place_type,
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admin_level, fromarea, isaddress,
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CASE WHEN rank_address = 11 THEN 5 ELSE rank_address END as rank_address,
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distance, country_code, postcode
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FROM place_addressline join placex on (address_place_id = placex.place_id)
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WHERE place_addressline.place_id IN (place.place_id, in_place_id)
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AND linked_place_id is null
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AND (placex.country_code IS NULL OR place.country_code IS NULL
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OR placex.country_code = place.country_code)
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ORDER BY rank_address desc,
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(place_addressline.place_id = in_place_id) desc,
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(fromarea and place.centroid is not null and not isaddress
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and (place.address is null or avals(name) && avals(place.address))
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and ST_Contains(geometry, place.centroid)) desc,
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isaddress desc, fromarea desc,
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distance asc, rank_search desc
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LOOP
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-- RAISE WARNING '%',location;
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location_isaddress := location.rank_address != current_rank_address;
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IF place.country_code IS NULL AND location.country_code IS NOT NULL THEN
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place.country_code := location.country_code;
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END IF;
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IF location.type in ('postcode', 'postal_code')
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AND place.postcode is not null
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THEN
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-- If the place had a postcode assigned, take this one only
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-- into consideration when it is an area and the place does not have
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-- a postcode itself.
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IF location.fromarea AND location.isaddress
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AND (place.address is null or not place.address ? 'postcode')
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THEN
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place.postcode := null; -- remove the less exact postcode
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ELSE
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location_isaddress := false;
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END IF;
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END IF;
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RETURN NEXT ROW(location.place_id, location.osm_type, location.osm_id,
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location.name, location.class, location.type,
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location.place_type,
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location.admin_level, location.fromarea,
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location_isaddress,
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location.rank_address,
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location.distance)::addressline;
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current_rank_address := location.rank_address;
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END LOOP;
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-- If no country was included yet, add the name information from country_name.
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IF current_rank_address > 4 THEN
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FOR location IN
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SELECT name FROM country_name WHERE country_code = place.country_code LIMIT 1
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LOOP
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--RAISE WARNING '% % %',current_rank_address,searchcountrycode,countryname;
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RETURN NEXT ROW(null, null, null, location.name, 'place', 'country', NULL,
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null, true, true, 4, 0)::addressline;
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END LOOP;
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END IF;
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-- Finally add some artificial rows.
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IF place.country_code IS NOT NULL THEN
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location := ROW(null, null, null, hstore('ref', place.country_code),
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'place', 'country_code', null, null, true, false, 4, 0)::addressline;
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RETURN NEXT location;
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END IF;
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IF place.name IS NOT NULL THEN
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location := ROW(in_place_id, null, null, place.name, place.class,
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place.type, null, null, true, true, 29, 0)::addressline;
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RETURN NEXT location;
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END IF;
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IF place.housenumber IS NOT NULL THEN
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location := ROW(null, null, null, hstore('ref', place.housenumber),
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'place', 'house_number', null, null, true, true, 28, 0)::addressline;
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RETURN NEXT location;
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END IF;
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IF place.address is not null and place.address ? '_unlisted_place' THEN
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RETURN NEXT ROW(null, null, null, hstore('name', place.address->'_unlisted_place'),
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'place', 'locality', null, null, true, true, 25, 0)::addressline;
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END IF;
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IF place.postcode is not null THEN
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location := ROW(null, null, null, hstore('ref', place.postcode), 'place',
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'postcode', null, null, false, true, 5, 0)::addressline;
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RETURN NEXT location;
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END IF;
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RETURN;
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END;
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$$
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LANGUAGE plpgsql STABLE;
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