Permissões em tabelas

CREATE OR REPLACE FUNCTION gera_grants()
RETURNS TRIGGER AS
´
    DECLARE
       rec   RECORD;
    BEGIN
       FOR rec IN (SELECT tablename
                FROM pg_tables
                WHERE shemaname = ´´easycom´´) LOOP
           EXECUTE ´´grant all on easycom.´´||rec.tablename ||´´ to easycom´´;
       END LOOP;

    RETURN;
    END;
´ LANGUAGE ´plpgsql´;

select gera_grants()