Google geocoder working

server/extension/sql/0.2.0/70_ips.sql

@@ -0,0 +1,49 @@
+-- Interface of the server extension
+
+CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_ipaddress_point(username text, orgname text, ip text)
+RETURNS Geometry AS $$
+    plpy.debug('Entering _cdb_geocode_ipaddress_point')
+    plpy.debug('user = %s' % username)
+
+    #--TODO: rate limiting check
+    #--TODO: quota check
+
+    #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html
+    plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_ipaddress_point($1) AS point", ["TEXT"])
+    rv = plpy.execute(plan, [ip], 1)
+
+    plpy.debug('Returning from _cdb_geocode_ipaddress_point')
+    return rv[0]["point"]
+$$ LANGUAGE plpythonu;
+
+
+--------------------------------------------------------------------------------
+
+-- Implementation of the server extension
+-- Note: these functions depend on the cdb_geocoder extension
+CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_ipaddress_point(ip text)
+RETURNS Geometry AS $$
+    DECLARE
+        ret Geometry;
+
+        new_ip INET;
+    BEGIN
+    BEGIN
+        IF family(ip::inet) = 6 THEN
+            new_ip := ip::inet;
+        ELSE
+            new_ip := ('::ffff:' || ip)::inet;
+        END IF;
+    EXCEPTION WHEN OTHERS THEN
+        SELECT NULL as geom INTO ret;
+        RETURN ret;
+    END;
+
+    WITH
+        ips AS (SELECT ip s, new_ip net),
+        matches AS (SELECT s, (SELECT the_geom FROM ip_address_locations WHERE network_start_ip <= ips.net ORDER BY network_start_ip DESC LIMIT 1) geom FROM ips)
+    SELECT geom INTO ret
+        FROM matches;
+    RETURN ret;
+END
+$$ LANGUAGE plpgsql;