Method: Redis::Distributed#pfmerge

Defined in:
lib/redis/distributed.rb

#pfmerge(dest_key, *source_key) ⇒ Object

Merge multiple HyperLogLog values into an unique value that will approximate the cardinality of the union of the observed Sets of the source HyperLogLog structures.



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# File 'lib/redis/distributed.rb', line 994

def pfmerge(dest_key, *source_key)
  ensure_same_node(:pfmerge, [dest_key, *source_key]) do |node|
    node.pfmerge(dest_key, *source_key)
  end
end