ZRANK key member
Returns the rank of
member in the sorted set stored at
key, with the scores ordered from low to high. The rank (or index) is 0-based, which means that the member with the lowest score has rank
Use ZREVRANK to get the rank of an element with the scores ordered from high to low-
memberexists in the sorted set, Integer reply: the rank of
memberdoes not exist in the sorted set or
keydoes not exist, Bulk string reply:
(integer) 1redis> ZADD myzset 2 "two"
(integer) 1redis> ZADD myzset 3 "three"
(integer) 1redis> ZRANK myzset "three"
(integer) 2redis> ZRANK myzset "four"
© 2009–2017 Salvatore Sanfilippo
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