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https://issues.apache.org/jira/browse/SPARK-52798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gengliang Wang reassigned SPARK-52798:
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Assignee: Yuchuan Huang
> Add approx_top_k functions: combine
> -----------------------------------
>
> Key: SPARK-52798
> URL: https://issues.apache.org/jira/browse/SPARK-52798
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Yuchuan Huang
> Assignee: Yuchuan Huang
> Priority: Major
> Labels: pull-request-available
>
> Following https://issues.apache.org/jira/browse/SPARK-52588
> This PR introduces the following function:
> * approx_top_k_combine: aggregation function, merges multiple intermediate
> sketch status into one.
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