ZREMRANGEBYSCORE

Syntax

  1. ZREMRANGEBYSCORE key min max

Time complexity: 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).

Return

Integer reply: the number of elements removed.

Examples

  1. dragonfly> ZADD myzset 1 "one"
  2. (integer) 1
  3. dragonfly> ZADD myzset 2 "two"
  4. (integer) 1
  5. dragonfly> ZADD myzset 3 "three"
  6. (integer) 1
  7. dragonfly> ZREMRANGEBYSCORE myzset -inf (2
  8. (integer) 1
  9. dragonfly> ZRANGE myzset 0 -1 WITHSCORES
  10. 1) "two"
  11. 2) "2"
  12. 3) "three"
  13. 4) "3"