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Posted to issues@flink.apache.org by "Fabian Hueske (JIRA)" <ji...@apache.org> on 2018/09/13 21:30:00 UTC
[jira] [Closed] (FLINK-8688) Enable distinct aggregation for data
stream on Table/SQL API
[ https://issues.apache.org/jira/browse/FLINK-8688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fabian Hueske closed FLINK-8688.
--------------------------------
Resolution: Implemented
Fix Version/s: 1.7.0
All sub-issues have been implemented
> Enable distinct aggregation for data stream on Table/SQL API
> ------------------------------------------------------------
>
> Key: FLINK-8688
> URL: https://issues.apache.org/jira/browse/FLINK-8688
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Rong Rong
> Assignee: Rong Rong
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
> Distinct aggregation is not currently supported on data stream with Table/SQL API. This is an umbrella task for enabling distinct aggregation in various use cases.
> Discussion doc can be found here: https://docs.google.com/document/d/1zj6OA-K2hi7ah8Fo-xTQB-mVmYfm6LsN2_NHgTCVmJI/edit?usp=sharing
> Distinct aggregation is a very important feature in SQL processing and there are many JIRAs currently open with various use cases. The goal is to create one solution to both unbounded and bounded distinct aggregation on data stream so that it can easily be extended to support these use cases.
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