Looks exactly like what i was looking for! Thanks John! On Oct 22, 2011 12:49 AM, "John Sichi" <jsi...@fb.com> wrote:
> On Oct 21, 2011, at 10:07 AM, Mayuresh wrote: > > > Hi, > > > > I am trying to understand the exact code flow of how the > percentile_approx function works.... What happens step by step. Is there > some write up which would help understanding the architecture? I am looking > to understand how to add new functions to hive. > > > > This doc covers a similar UDAF: > > https://cwiki.apache.org/confluence/display/Hive/GenericUDAFCaseStudy > > JVS > >
