Redis Zremrangebyrank 命令
Redis 教程
· 2019-03-07 22:56:45
Redis Zremrangebyrank 命令用于移除有序集中,指定排名(rank)区间内的所有成员。
语法
redis Zremrangebyrank 命令基本语法如下:
redis 127.0.0.1:6379> ZREMRANGEBYRANK key start stop
可用版本
>= 2.0.0
返回值
被移除成员的数量。
实例
redis 127.0.0.1:6379> ZADD salary 2000 jack (integer) 1 redis 127.0.0.1:6379> ZADD salary 5000 tom (integer) 1 redis 127.0.0.1:6379> ZADD salary 3500 peter (integer) 1 redis 127.0.0.1:6379> ZREMRANGEBYRANK salary 0 1 # 移除下标 0 至 1 区间内的成员 (integer) 2 redis 127.0.0.1:6379> ZRANGE salary 0 -1 WITHSCORES # 有序集只剩下一个成员 1) "tom" 2) "5000"
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