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https://issues.apache.org/jira/browse/DRILL-768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Sinha reassigned DRILL-768:
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Assignee: Aman Sinha
> Support 2 phase COUNT aggregates
> --------------------------------
>
> Key: DRILL-768
> URL: https://issues.apache.org/jira/browse/DRILL-768
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Aman Sinha
> Assignee: Aman Sinha
>
> Drill currently supports 2 phase aggregation for SUM, MIN, MAX. This
> enhancement is to support 2 phase COUNT aggregates. In Phase 1 we will do
> partial count. In Phase 2 we need to sum the partial counts to produce the
> final count.
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