Github user stanlyxiang commented on the pull request: https://github.com/apache/incubator-hawq/commit/b37f18768dceec5600f8a90f6f8b17045954629c#commitcomment-21010171 Agree with wengyanqing. And we'd better rebase multiple commits into one commit if we are doing one thing, except missing sth in previous commit and the previous commit has been merged. Others can find out commit log in your pull request.
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