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https://issues.apache.org/jira/browse/FLINK-17883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114077#comment-17114077
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Jark Wu commented on FLINK-17883:
---------------------------------

We have a similar discussion during last release, but the want to solve this by 
using the {{INSERT OVERWRITE}} statement, instead of adding a property to the 
connector. AFAIK, the new filesystem connector (FLIP-115), already supports 
{{INSERT OVERWRITE}} statement, so maybe you can have a try. Please correct me 
if I'm wrong [~lzljs3620320]

> Unable to configure write mode for FileSystem() connector in PyFlink
> --------------------------------------------------------------------
>
>                 Key: FLINK-17883
>                 URL: https://issues.apache.org/jira/browse/FLINK-17883
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / Python
>    Affects Versions: 1.10.1
>            Reporter: Robert Metzger
>            Assignee: Nicholas Jiang
>            Priority: Major
>
> As a user of PyFlink, I'm getting the following exception:
> {code}
> File or directory /tmp/output already exists. Existing files and directories 
> are not overwritten in NO_OVERWRITE mode. Use OVERWRITE mode to overwrite 
> existing files and directories.
> {code}
> I would like to be able to configure writeMode = OVERWRITE for the FileSystem 
> connector.



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