Redis Zremrangebyrank command

Redis ordered set (sorted set)

Redis Zremrangebyrank command is used to remove an ordered set, a given position (rank) of all members within the interval.

grammar

redis Zremrangebyrank basic command syntax is as follows:

redis 127.0.0.1:6379> ZREMRANGEBYRANK key start stop

Available versions

> = 2.0.0

return value

The number of members to be removed.

Examples

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"

Redis ordered set (sorted set)