ZINCRBY

Syntax
ZINCRBY key increment member
Available since:
1.2.0
Time complexity:
O(log(N)) where N is the number of elements in the sorted set.
ACL categories:
@write, @sortedset, @fast,

Increments the score of member in the sorted set stored at key by increment. If member does not exist in the sorted set, it is added with increment as its score (as if its previous score was 0.0). If key does not exist, a new sorted set with the specified member as its sole member is created.

An error is returned when key exists but does not hold a sorted set.

The score value should be the string representation of a numeric value, and accepts double precision floating point numbers. It is possible to provide a negative value to decrement the score.

Examples

ZADD myzset 1 "one" ZADD myzset 2 "two" ZINCRBY myzset 2 "one" ZRANGE myzset 0 -1 WITHSCORES

RESP2 Reply

Bulk string reply: the new score of member as a double precision floating point number.

RESP3 Reply

Double reply: the new score of member.
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