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https://issues.apache.org/jira/browse/DRILL-6479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pritesh Maker updated DRILL-6479:
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Reviewer: Sorabh Hamirwasia
> Support for EMIT outcome in Hash Aggregate
> ------------------------------------------
>
> Key: DRILL-6479
> URL: https://issues.apache.org/jira/browse/DRILL-6479
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Relational Operators
> Reporter: Boaz Ben-Zvi
> Assignee: Boaz Ben-Zvi
> Priority: Major
> Fix For: 1.14.0
>
>
> With the new Lateral and Unnest -- if a Hash-Aggregate operator is present in
> the sub-query, then it needs to handle the EMIT outcome correctly. This means
> that when a EMIT is received then perform the aggregation operation on the
> records buffered so far and produce the output with it. After handling an
> EMIT the Hash-Aggr should refresh it's state and a continue to work on the
> next batches of incoming records unless an EMIT is seen again.
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