-Original Message-
From: Dmitriy Ryaboy [mailto:dvrya...@gmail.com]
Sent: Sunday, February 15, 2009 9:07 PM
To: pig-dev@hadoop.apache.org
Subject: Determining the group-by column
We are working on the Pig Logical Optimizer, and running into some
difficulty navigating the plan.
If we run explain on a
We are working on the Pig Logical Optimizer, and running into some
difficulty navigating the plan.
If we run explain on a query with a CoGroup, we get something like:
Cogroup
||
||-- Project [0]
|
|-- ForEach
|
What we want to do is determine that this particular Cogrou
