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https://issues.apache.org/jira/browse/FLINK-14275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16950225#comment-16950225
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hailong wang commented on FLINK-14275:
--------------------------------------
Hi [~jark], I have some confusion. According to the implementation of
AbstractUdfStreamOperator:
{code:java}
@Override
public void open() throws Exception {
super.open();
FunctionUtils.openFunction(userFunction, new Configuration());
}
{code}
User RichFunction Configuration always pass a new one, what should be correct ?
> Window Aggregate function support a RichFunction
> ------------------------------------------------
>
> Key: FLINK-14275
> URL: https://issues.apache.org/jira/browse/FLINK-14275
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Affects Versions: 1.9.0
> Reporter: hailong wang
> Priority: Major
>
> Now, window aggregate function cannot be a RichFunction. In other words, open
> function can not be invoked and runtimeContext cannot be fetched in
> RichAggregateFunction.
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