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https://issues.apache.org/jira/browse/SPARK-26909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-26909:
-----------------------------------
Assignee: yucai
> use unsafeRow.hashCode() as hash value in HashAggregate
> -------------------------------------------------------
>
> Key: SPARK-26909
> URL: https://issues.apache.org/jira/browse/SPARK-26909
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: yucai
> Assignee: yucai
> Priority: Major
>
> This is a followup PR for #21149.
> New way uses unsafeRow.hashCode() as hash value in HashAggregate.
> The unsafe row has [null bit set] etc., the result should be different, so we
> don't need weird `48`.
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