58 lines
1.9 KiB
PL/PgSQL
58 lines
1.9 KiB
PL/PgSQL
-- Interface of the server extension
|
|
|
|
CREATE OR REPLACE FUNCTION geocode_ip_point(user_id NAME, tx_id BIGINT, ip TEXT)
|
|
RETURNS Geometry AS $$
|
|
plpy.debug('Entering _geocode_ip_point')
|
|
plpy.debug('user_id = %s' % user_id)
|
|
|
|
#-- Access control
|
|
#-- TODO: this should be part of cdb python library
|
|
if user_id == 'publicuser':
|
|
plpy.error('The api_key must be provided')
|
|
|
|
#--TODO: rate limiting check
|
|
#--TODO: quota check
|
|
|
|
#-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html
|
|
plan = plpy.prepare("SELECT cdb_geocoder_server._geocode_ip_point($1) AS point", ["TEXT"])
|
|
rv = plpy.execute(plan, [ip], 1)
|
|
|
|
plpy.debug('Returning from _geocode_ip_point')
|
|
return rv[0]["point"]
|
|
$$ LANGUAGE plpythonu;
|
|
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
-- Implementation of the server extension
|
|
-- Note: these functions depend on the cdb_geocoder extension
|
|
CREATE OR REPLACE FUNCTION _geocode_ip_point(ip TEXT)
|
|
RETURNS Geometry AS $$
|
|
DECLARE
|
|
ret Geometry;
|
|
|
|
new_ips INET[];
|
|
old_ips TEXT[];
|
|
BEGIN
|
|
BEGIN
|
|
IF family(ip::inet) = 6 THEN
|
|
new_ips := array_append(new_ips, ip::inet);
|
|
old_ips := array_append(old_ips, ip);
|
|
ELSE
|
|
new_ips := array_append(new_ips, ('::ffff:' || ip)::inet);
|
|
old_ips := array_append(old_ips, ip);
|
|
END IF;
|
|
EXCEPTION WHEN OTHERS THEN
|
|
SELECT ip AS q, NULL as geom, FALSE as success INTO ret;
|
|
RETURN ret;
|
|
END;
|
|
|
|
WITH
|
|
ips AS (SELECT unnest(old_ips) s, unnest(new_ips) net),
|
|
matches AS (SELECT s, (SELECT the_geom FROM ip_address_locations WHERE network_start_ip <= ips.net ORDER BY network_start_ip DESC LIMIT 1) geom FROM ips)
|
|
SELECT geom INTO ret
|
|
FROM matches;
|
|
RETURN ret;
|
|
END
|
|
$$ LANGUAGE plpgsql;
|