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Posted to dev@flink.apache.org by "PengYang (JIRA)" <ji...@apache.org> on 2018/08/29 08:42:00 UTC
[jira] [Created] (FLINK-10250) Flink doesn't support functions that
extend RichAggregateFunction in a group window
PengYang created FLINK-10250:
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Summary: Flink doesn't support functions that extend RichAggregateFunction in a group window
Key: FLINK-10250
URL: https://issues.apache.org/jira/browse/FLINK-10250
Project: Flink
Issue Type: Improvement
Components: DataStream API
Affects Versions: 1.6.0, 1.5.3, 1.5.2
Reporter: PengYang
Flink doesn't support functions that extend RichAggregateFunction in a group window,in the RichAggregateFunction via state store data and fliter out the duplicate data .The Flink will support this feature in a future release?There is another question whether flink supports global state state query in the future?If flink supports global state queries, it can replace redis these external caches In certain aspects.Maybe my thoughts are a little naive, but I hope that the function of flink is getting better and better
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