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Posted to dev@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2021/02/05 11:28:00 UTC

[jira] [Created] (FLINK-21304) Support split distinct aggregate for window TVF based aggregate

Jark Wu created FLINK-21304:
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             Summary: Support split distinct aggregate for window TVF based aggregate
                 Key: FLINK-21304
                 URL: https://issues.apache.org/jira/browse/FLINK-21304
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Jark Wu
             Fix For: 1.13.0


Currently, optimization {{table.optimizer.distinct-agg.split.enabled}} is only supported for unbounded aggregate. It is a very important optimization for skewed distinct aggregates, and we also need this optimization for window TVF based aggregate.



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