Redis - Sorted Set Zremrangebyrank Command

Redis ZREMRANGEBYRANK command removes all elements in the sorted set stored at the key with the rank between start and stop. Both start and stop are 0-based indexes with 0 being the element with the lowest score. These indexes can be negative numbers, where they indicate offsets starting at the element with the highest score. For example: 1 is the element with the highest score, -2 the element with the second highest score and so forth.

Return Value

Integer reply, the number of elements removed.

Syntax

Following is the basic syntax of Redis ZREMRANGEBYRANK command.

redis 127.0.0.1:6379> ZREMRANGEBYRANK key start stop

Example

redis 127.0.0.1:6379> ZADD myzset 1 b 2 c 3 d 4 e 
(integer) 4 
redis 127.0.0.1:6379> ZREMRANGEBYRANK myzset 0 3 
(integer) 3 
redis 127.0.0.1:6379> ZRANGE myzset 0 -1 WITHSCORES 
1) "e" 
2) "4"

Useful Video Courses

---

Video

Redis and PHP

22 Lectures 40 mins

Skillbakerystudios

More Detail