dataservices-api/server/extension/sql/0.2.0/40_admin1.sql

90 lines
3.1 KiB
PL/PgSQL

-- Interfacess of the server extension
---- cdb_geocode_admin1_polygon(admin1_name text)
CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_admin1_polygon(username text, orgname text, admin1_name text)
RETURNS Geometry AS $$
plpy.debug('Entering cdb_geocode_admin1_polygon(admin1_name text)')
plpy.debug('user = %s' % username)
#--TODO: rate limiting check
#--TODO: quota check
#-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html
plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_geocode_admin1_polygon($1) AS mypolygon", ["text"])
rv = plpy.execute(plan, [admin1_name], 1)
plpy.debug('Returning from Returning from cdb_geocode_admin1_polygons')
return rv[0]["mypolygon"]
$$ LANGUAGE plpythonu;
---- cdb_geocode_admin1_polygon(admin1_name text, country_name text)
CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_admin1_polygon(username text, orgname text, admin1_name text, country_name text)
RETURNS Geometry AS $$
plpy.debug('Entering cdb_geocode_admin1_polygon(admin1_name text, country_name text)')
plpy.debug('user = %s' % username)
#--TODO: rate limiting check
#--TODO: quota check
#-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html
plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_geocode_admin1_polygon($1, $2) AS mypolygon", ["text", "text"])
rv = plpy.execute(plan, [admin1_name, country_name], 1)
plpy.debug('Returning from Returning from cdb_geocode_admin1_polygon(admin1_name text, country_name text)')
return rv[0]["mypolygon"]
$$ LANGUAGE plpythonu;
--------------------------------------------------------------------------------
-- Implementation of the server extension
-- Note: these functions depend on the cdb_geocoder extension
---- cdb_geocode_admin1_polygon(admin1_name text)
CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_geocode_admin1_polygon(admin1_name text)
RETURNS Geometry AS $$
DECLARE
ret Geometry;
BEGIN
SELECT geom INTO ret
FROM (
SELECT q, (
SELECT the_geom
FROM global_province_polygons
WHERE d.c = ANY (synonyms)
ORDER BY frequency DESC LIMIT 1
) geom
FROM (
SELECT
trim(replace(lower(admin1_name),'.',' ')) c, admin1_name q
) d
) v;
RETURN ret;
END
$$ LANGUAGE plpgsql;
---- cdb_geocode_admin1_polygon(admin1_name text, country_name text)
CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_geocode_admin1_polygon(admin1_name text, country_name text)
RETURNS Geometry AS $$
DECLARE
ret Geometry;
BEGIN
WITH p AS (SELECT r.c, r.q, (SELECT iso3 FROM country_decoder WHERE lower(country_name) = ANY (synonyms)) i FROM (SELECT trim(replace(lower(admin1_name),'.',' ')) c, country_name q) r)
SELECT
geom INTO ret
FROM (
SELECT
q, (
SELECT the_geom
FROM global_province_polygons
WHERE p.c = ANY (synonyms)
AND iso3 = p.i
ORDER BY frequency DESC LIMIT 1
) geom
FROM p) n;
RETURN ret;
END
$$ LANGUAGE plpgsql;