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https://issues.apache.org/jira/browse/ARROW-17642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou updated ARROW-17642:
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Fix Version/s: 11.0.0
> [C++] Add ordered aggregation
> -----------------------------
>
> Key: ARROW-17642
> URL: https://issues.apache.org/jira/browse/ARROW-17642
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Yaron Gvili
> Assignee: Yaron Gvili
> Priority: Major
> Labels: pull-request-available
> Fix For: 11.0.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> {color:#000000}Ordered aggregation is similar to grouped aggregation except
> that one column in the grouping key is (known to be) ordered. The result of
> both types of aggregations is the same but the existence of an ordered column
> enables optimizing.{color}
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