Some document here: http://wiki.apache.org/pig/PigIllustrate
I agree that more tests are needed for illustrate, otherwise it can be easily broken without notice. Jie On Tue, Jul 3, 2012 at 12:45 PM, Jon Coveney <jcove...@gmail.com> wrote: > I was curious at a level slightly higher than "dig through the code" how > illustrate is so fast, and how it deals with joins effectively. Are there any > resources on this (or does anyone at Hortonworks want to write a tech > oriented blog post? :) >