-- Check that the public function is callable, even with no data
-- It should return NULL
SELECT cdb_geocoder_server.geocode_admin0_polygons(session_user, txid_current(), 'Spain');
 geocode_admin0_polygons 
-------------------------
 
(1 row)

-- Insert some dummy synonym
INSERT INTO admin0_synonyms (name, adm0_a3) VALUES ('Spain', 'ESP');
-- Insert some dummy geometry to return
INSERT INTO ne_admin0_v3 (adm0_a3, the_geom) VALUES('ESP', ST_GeomFromText(
  'POLYGON((-71.1031880899493 42.3152774590236,
            -71.1031627617667 42.3152960829043,
            -71.102923838298 42.3149156848307,
            -71.1031880899493 42.3152774590236))',4326)
);
-- This should return the polygon inserted above
SELECT cdb_geocoder_server.geocode_admin0_polygons(session_user, txid_current(), 'Spain');
                                                                      geocode_admin0_polygons                                                                       
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
 0103000020E61000000100000004000000D0EA37A29AC651C00FD603035B284540FEFCFB379AC651C0C0503E9F5B284540FFDDDD4D96C651C033AC3B284F284540D0EA37A29AC651C00FD603035B284540
(1 row)