Redis ZREVRANGE Replacement

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Starting with Redis 6.2.0, the ZRANGE command added the REV, BYSCORE, BYLEX and LIMIT options. The addition of the first three means that the ZRANGE command can now do what the ZREVRANGE, ZRANGEBYSCORE, ZREVRANGEBYSCORE, ZRANGEBYLEX and ZREVRANGEBYLEX commands can do.

As a result, those commands are now deprecated (as of Redis 6.2.0).

Therefore, we should no longer use the ZREVRANGE command when we need to return a sorted set in descending order. Instead, we should use the ZRANGE command with the REV argument.

Example

Here’s an example of the replacement for the ZREVRANGE command:

ZRANGE scores 0 -1 REV WITHSCORES

Result:

 1) "user:6"
 2) "660"
 3) "user:4"
 4) "550"
 5) "user:5"
 6) "440"
 7) "user:3"
 8) "330"
 9) "user:1"
10) "220"
11) "user:2"
12) "110"

We can see that the elements are ordered from the highest to the lowest score.

That has the exact same effect as using the (deprecated) ZREVRANGE command like this:

ZREVRANGE scores 0 -1 WITHSCORES

Result:

 1) "user:6"
 2) "660"
 3) "user:4"
 4) "550"
 5) "user:5"
 6) "440"
 7) "user:3"
 8) "330"
 9) "user:1"
10) "220"
11) "user:2"
12) "110"

So in summary, instead of using the ZREVRANGE command, use the ZRANGE command with the REV option.