[jira] [Created] (FLINK-6335) Support DISTINCT over grouped window in stream SQL

[Shang Yuanchun (Jira)]

Haohui Mai created FLINK-6335:
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             Summary: Support DISTINCT over grouped window in stream SQL
                 Key: FLINK-6335
                 URL: https://issues.apache.org/jira/browse/FLINK-6335
             Project: Flink
          Issue Type: Bug
            Reporter: Haohui Mai
            Assignee: Haohui Mai


The SQL on the batch side supports the {{DISTINCT}} keyword over aggregation. This jira proposes to support the {{DISTINCT}} keyword on streaming aggregation using the same technique on the batch side.



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