ZRANGEBYSCORE命令LIMIT参数有bug

[lbp0200]

offset参数超过结果的索引后，永远都返回最后一条数据，应该返回空。

127.0.0.1:51002> ZADD myzset 1 "one"
1
127.0.0.1:51002> ZADD myzset 2 "two"
1
127.0.0.1:51002> ZADD myzset 3 "three"
1
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf
one
two
three
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf LIMIT 1 1
two
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf LIMIT 3 1
three
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf LIMIT 9 1
three
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf LIMIT 9 11
three
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf LIMIT 2 11
three
127.0.0.1:51002> ZRANGEBYSCORE myzset -inf +inf LIMIT -1 11
three