VoltDB/voltdb — pull request #1836 by jxchinaren (2014-11-25 18:59:12+00:00)
Title: Eng 6436 distinct reroute

This change sets is the SUPPORT of DISTINCT with GROUP BY cases. It places the DISTINCT node at the top of ORDER BY plan node.

I am thinking about another plan for DISTINCT under ORDER BY. There may be another new branch for this strategy.