Redis Sorted Sets: ZRANK
ZRANK key member
Redis ZRANK command is used to return the rank of member in the sorted set stored at key, with the scores ordered from low to high. The rank is 0-based, which means that the member with the lowest score has rank 0.
Syntax:
ZRANK key member
Available since
2.0.0.
Return Value
- If a member exists in the sorted set, Integer reply: the rank of the member.
- If the member does not exist in the sorted set or key does not exist, Bulk string reply, nil.
Return Value Type
Integer
Example: Redis ZRANK
127.0.0.1:6379> ZADD mysales 1556 Samsung 2000 Nokia 1800 Micromax (integer) 3 127.0.0.1:6379> ZADD mysales 2200 Sunsui 1800 MicroSoft 2500 LG (integer) 3 127.0.0.1:6379> ZRANGE mysales 0 -1 WITHSCORES 1) "Samsung" 2) "1556" 3) "MicroSoft" 4) "1800" 5) "Micromax" 6) "1800" 7) "Nokia" 8) "2000" 9) "Sunsui" 10) "2200" 11) "LG" 12) "2500" 127.0.0.1:6379> ZRANGE mysales 0 -1 WITHSCORES 1) "Samsung" 2) "1556" 3) "MicroSoft" 4) "1800" 5) "Micromax" 6) "1800" 7) "Nokia" 8) "2000" 9) "Sunsui" 10) "2200" 11) "LG" 12) "2500" 127.0.0.1:6379> ZRANK mysales "Sunsui" (integer) 4 127.0.0.1:6379> ZRANK mysales MicroSoft (integer) 1
Previous:
ZRANGEBYSCORE
Next:
ZREM
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