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https://issues.apache.org/jira/browse/FLINK-8690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rong Rong updated FLINK-8690:
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Description:
Currently*, FlinkLogicalAggregate / FlinkLogicalWindowAggregate* does not allow
distinct aggregate.
We are proposing to reuse distinct aggregate codegen work designed for
*FlinkLogicalOverAggregate*, to support unbounded distinct aggregation on
datastream as well.
was:
**Currently, *FlinkLogicalAggregate* does not allow distinct aggregate.
We are proposing to reuse distinct aggregate codegen work designed for
*FlinkLogicalOverAggregate* / *FlinkLogicalWindowAggregate*, to support
unbounded distinct aggregation on datastream as well.
> Update logical rule set to generate FlinkLogicalAggregate explicitly allow
> distinct agg on DataStream
> -----------------------------------------------------------------------------------------------------
>
> Key: FLINK-8690
> URL: https://issues.apache.org/jira/browse/FLINK-8690
> Project: Flink
> Issue Type: Sub-task
> Reporter: Rong Rong
> Assignee: Rong Rong
> Priority: Major
>
> Currently*, FlinkLogicalAggregate / FlinkLogicalWindowAggregate* does not
> allow distinct aggregate.
> We are proposing to reuse distinct aggregate codegen work designed for
> *FlinkLogicalOverAggregate*, to support unbounded distinct aggregation on
> datastream as well.
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