Github user ggevay commented on the pull request:
https://github.com/apache/flink/pull/1626#issuecomment-183375884
Sorry, but I don't think it is independent, because the bug in the reduce
drivers could alternatively be fixed by saying that the bug is actually not in
the reduce drivers at all, but in `MergeIterator`, and fix it there instead (as
in
https://github.com/ggevay/flink/commit/b05e12075bb5d0518b6fe12cd8f7de1e6b16f805).
This depends on what we want the contract of `MergeIterator.next(reuse)` to be.
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