Redis zrem 命令

ZREM key member [member …]

Removes the specified members from the sorted set stored at key.
Non existing members are ignored.

An error is returned when key exists and does not hold a sorted set.

*返回值

Integer reply, specifically:

  • The number of members removed from the sorted set, not including non existing
    members.

*History

  • >= 2.4: Accepts multiple elements.
    In Redis versions older than 2.4 it was possible to remove a single member per
    call.

*实例

redis>  ZADD myzset 1 “one”

(integer) 1

redis>  ZADD myzset 2 “two”

(integer) 1

redis>  ZADD myzset 3 “three”

(integer) 1

redis>  ZREM myzset “two”

(integer) 1

redis>  ZRANGE myzset 0 -1 WITHSCORES

1) "one"
2) "1"
3) "three"
4) "3"

redis>