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https://issues.apache.org/jira/browse/HIVE-10785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated HIVE-10785:
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Description: Enable {{AggregateJoinTransposeRule}} in CBO that pushes
Aggregate through Join operators. The rule has been extended in Calcite 1.4 to
cover complex cases e.g. Aggregate operators comprising UDAF. The decision on
whether to push the Aggregate through Join or not should be cost-driven. (was:
Enable {{AggregateJoinTransposeRule}} in CBO that pushes Aggregate through Join
operators. The rule needs to be extended to cover other cases e.g. Aggregate
operators comprising UDAF. The decision on whether to push the Aggregate
through Join or not should be cost-driven.)
> Support aggregate push down through joins
> -----------------------------------------
>
> Key: HIVE-10785
> URL: https://issues.apache.org/jira/browse/HIVE-10785
> Project: Hive
> Issue Type: Bug
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
>
> Enable {{AggregateJoinTransposeRule}} in CBO that pushes Aggregate through
> Join operators. The rule has been extended in Calcite 1.4 to cover complex
> cases e.g. Aggregate operators comprising UDAF. The decision on whether to
> push the Aggregate through Join or not should be cost-driven.
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