dataservices-api/server/extension/sql/105_route_point_to_point.sql

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2016-02-24 00:54:17 +08:00
CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_route_point_to_point(
username TEXT,
orgname TEXT,
origin geometry(Point, 4326),
destination geometry(Point, 4326),
mode TEXT,
options text[] DEFAULT ARRAY[]::text[],
units text DEFAULT 'kilometers')
RETURNS cdb_dataservices_server.simple_route AS $$
plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
plpy.execute("SELECT cdb_dataservices_server._get_routing_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
user_routing_config = GD["user_routing_config_{0}".format(username)]
mapzen_plan = plpy.prepare("SELECT * FROM cdb_dataservices_server._cdb_mapzen_route_point_to_point($1, $2, $3, $4, $5, $6, $7) as route;", ["text", "text", "geometry(Point, 4326)", "geometry(Point, 4326)", "text", "text[]", "text"])
result = plpy.execute(mapzen_plan, [username, orgname, origin, destination, mode, options, units])
return [result[0]['shape'],result[0]['length'], result[0]['duration']]
$$ LANGUAGE plpythonu;