redisZRank
Return the rank of an element of an ordered set.
redisZRank(key, member, decreasing = FALSE)
key |
The set name. |
member |
The set element. |
decreasing |
Set to TRUE to rank in reverse order of score. |
Returns the rank of the member in the sorted set, with scores ordered from low to high by default, or from high to low if decreasing = TRUE. The returned rank (or index) of the member is 0-based.
The numeric rank of the set element.
B. W. Lewis
http://redis.io/commands
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