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https://issues.apache.org/jira/browse/FLINK-9941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-9941.
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> Flush in ScalaCsvOutputFormat before close method
> -------------------------------------------------
>
> Key: FLINK-9941
> URL: https://issues.apache.org/jira/browse/FLINK-9941
> Project: Flink
> Issue Type: Improvement
> Components: API / Scala
> Affects Versions: 1.5.1, 1.6.4, 1.7.2, 1.8.1
> Reporter: Ryan Tao
> Assignee: Jiayi Liao
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0, 1.9.1
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Because not every stream's close method will flush, in order to ensure the
> stability of continuous integration, we need to manually call flush() before
> close().
> I noticed that CsvOutputFormat (Java API) has done this. As follows.
> {code:java}
> //CsvOutputFormat
> public void close() throws IOException {
> if (wrt != null) {
> this.wrt.flush();
> this.wrt.close();
> }
> super.close();
> }
> {code}
>
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