Re: Roaring Bitmap UDFs

[Makoto Yui]

Approximate Counting using HLL+ is supported in Apache Hivemall.
http://hivemall.incubator.apache.org/userguide/misc/approx.html

FYI

Makoto

-- 
Makoto YUI <myui AT apache.org>
Research Engineer, Treasure Data, Inc.
http://myui.github.io/