LUA script to update a list & a hash cache together

LuaScripts.java

    protected static final String UPDATE_OHASH_SCRIPT =
            "local listkey = KEYS[1];" +
            "local hashkey = KEYS[2];" +
            "local id = ARGV[1];" +
            "local item = ARGV[2];" +
            "local found = false;" +
            "local ids = redis.call('lrange', listkey, 0, -1 );" +
            "for i = 1,#ids do " +
                "if id == ids[i] then " +
                    "found = true;" +
                    "break; " +
                "end " +
            "end " +
            "if not found then " +
                "redis.call('rpush', listkey, id );" +
            "end " +
            "redis.call('hset', hashkey, id, item );";