Hi, Prasanth, Check http://wiki.apache.org/pig/PigLogicalPlanOptimizerRewrite. It is not up-to-date but capture the basic design of logical plan.
Daniel On Sun, Jan 29, 2012 at 8:41 PM, Prasanth J <buckeye.prasa...@gmail.com> wrote: > Hello Everyone > > I am a newbie to pig. I was going through > https://cwiki.apache.org/PIG/guide-for-new-contributors.html, specifically > the grammar files to start off with. > > I could not understand how LogicalPlanGenerator.g works by looking into the > grammar file. Also there isn't much documentation available which explains > how logical plans are generated for different pig operators. Is there any > reference from which I can learn more about the internals (especially the > logical plan generation part)? > > Thanks > Prasanth
