Redis Sorted Sets: ZREMRANGEBYSCORE

Redis ZREMRANGEBYSCORE Command

Redis ZREMRANGEBYSCORE command is used to remove all elements in the sorted set stored at the key with a score between the minimum and maximum value.

min, max in the range of score. To delete all use -inf, + inf.

Here are some common uses and scenarios for the "ZREMRANGEBYSCORE" command:

• Score-Based Removal: Remove members from a sorted set within a specified score range.
• Leaderboards: Manage leaderboards by removing players with scores within a specific range.
• Data Management: Clean up and manage data by removing members based on their scores.
• Performance Optimization: Optimize memory usage by removing elements based on their scores in sorted sets.
• Data Integrity: Ensure data integrity by removing elements that fall within undesired score ranges.

Syntax

ZREMRANGEBYSCORE key min max

Available since

2.2.0.

Return Value

Integer reply, the number of elements removed.

Return Value Type

Integer

Example: Redis ZREMRANGEBYSCORE

127.0.0.1:6379> ZADD mycityset 80 Delhi 60 Mumbai 70 Hyderabad 50 Kolkata 65 Chennai
(integer) 5
127.0.0.1:6379> ZRANGEBYSCORE mycityset -inf +inf  WITHSCORES
 1) "Kolkata"
 2) "50"
 3) "Mumbai"
 4) "60"
 5) "Chennai"
 6) "65"
 7) "Hyderabad"
 8) "70"
 9) "Delhi"
10) "80"
127.0.0.1:6379> ZREMRANGEBYSCORE mycityset -inf (70
(integer) 3
127.0.0.1:6379> ZRANGEBYSCORE mycityset -inf +inf  WITHSCORES
1) "Hyderabad"
2) "70"
3) "Delhi"
4) "80"
127.0.0.1:6379> ZREMRANGEBYSCORE mycityset -inf 70
(integer) 1
127.0.0.1:6379> ZRANGEBYSCORE mycityset -inf +inf  WITHSCORES
1) "Delhi"
2) "80"

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