Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/807#issuecomment-110143059
Hi @shghatge, you don't need to close a PR in order to update it.
You can simply update (push or push --force into) the branch from which you
created the PR and Github will automatically update the PR. This helps to have
all comments about your implementation in one place.
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