Github user HuangWHWHW commented on the pull request:
https://github.com/apache/flink/pull/1098#issuecomment-139443340
Hi, I think there is a issue that:
* if you want to no overwrite in a exist file, you will get the error "File
already exists"
* if you want to no overwrite and the file is not exist, the `NO_OVERWRITE`
is just the same as `OVERWRITE`
So I think currently the `NO_OVERWRITE` is not make sense.
Maybe we need discuss and fix on it through a new JIRA?
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