Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/4535
Hi @zhuganghuaonnet, thanks a lot for this contribution!
However, taking a step back, is there a JIRA ticket for this contribution?
If not, please make sure that one is opened for it first. Also, for bigger
contributions like this, you should make sure that the pull request template is
properly filled out to ease the effort for reviewers.
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