Github user chiwanpark commented on the pull request: https://github.com/apache/flink/pull/1220#issuecomment-219203934 I would like to merge this PR. I've checked the output of k-NN join (with, without quadtree). Documentation looks good. To maintainers (@tillrohrmann @thvasilo): Could you do final check this PR? You do not need to bother code style issues. I'll address them before merging.
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