facebook/presto — pull request #1992 by martint (2014-11-19 08:31:40+00:00)
Title: Fix tracking of input rows/bytes for JOIN stages

This is a little hacky, since we should really be tracking just the inputs due to the TableScan operator for any given stage. However, the current stats rollup system doesn't support this.

Fixes https://github.com/facebook/presto/issues/1991