ZREMRANGEBYSCORE

Available since 1.2.0.

时间复杂度： O(log(N)+M) with N being the number of elements in the sorted set and M the number of elements removed by the operation.

Removes all elements in the sorted set stored at key with a score between min and max (inclusive).

Since version 2.1.6, min and max can be exclusive, following the syntax of ZRANGEBYSCORE.

返回值

Integer reply: the number of elements removed.

redis> ZADD myzset 1 "one"

(integer) 1

redis> ZADD myzset 2 "two"

(integer) 1

redis> ZADD myzset 3 "three"

(integer) 1

redis> ZREMRANGEBYSCORE myzset -inf (2

(integer) 1

redis> ZRANGE myzset 0 -1 WITHSCORES

1) "two"
2) "2"
3) "three"
4) "3"