Redis Pfadd Command

Redis HyperLogLog

The Redis Pfadd command adds all element parameters to the HyperLogLog data structure.

Syntax

Basic Syntax of Redis Pfadd Command

redis　127.0.0.1:6379>　PFADD　key　element　[element　...]

Available Version

>= 2.8.9

Return Value

Integer, if at least one element is added, return 1, otherwise return 0.

Online Examples

redis　127.0.0.1:6379>　PFADD　mykey　a　b　c　d　e　f　g　h　i　j
(integer)　1
redis　127.0.0.1:6379>　PFCOUNT　mykey
(integer)　10

Redis HyperLogLog