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https://issues.apache.org/jira/browse/FLINK-29557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17623601#comment-17623601
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Yun Gao commented on FLINK-29557:
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Thanks [~aitozi] for reporting the issue! Now I have understood why there is
issue here, I'll have a double confirmation of the proper way to fix it here,
and do you already have some thoughts on it?
> The SinkOperator's OutputFormat function is not recognized
> ----------------------------------------------------------
>
> Key: FLINK-29557
> URL: https://issues.apache.org/jira/browse/FLINK-29557
> Project: Flink
> Issue Type: Bug
> Components: API / Core, Table SQL / API
> Reporter: Aitozi
> Priority: Major
>
> In the {{SimpleOperatorFactory#of}}, only {{StreamSink}} is handled to
> register as {{SimpleOutputFormatOperatorFactory}}. So it will lost the output
> format information in {{SinkOperator}}. Then some hook functions like
> {{FinalizeOnMaster}} will have no chance to be executed.
> Due to the {{SinkOperator}} is in the table module, it can't be reached
> directly in the {{flink-streaming-java}}. So maybe we need introduce an extra
> common class eg: {{SinkFunctionOperator}} to describe the {{Sink}} operator
> and handle it individually.
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