Github user jacques-n commented on the pull request: https://github.com/apache/drill/pull/374#issuecomment-184037187 Looks reasonable. I added a few comments. I think the Mongo interface => class changes should be a separate patch. It adds noise to this patch and is really a completely unrelated issue. I also think it touches a lot of files and wonder whether it should ordered in a special way versus other outstanding mongo patches.
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