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https://issues.apache.org/jira/browse/IMPALA-14850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang resolved IMPALA-14850.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Codegen tuple copy for Hash Join
> --------------------------------
>
> Key: IMPALA-14850
> URL: https://issues.apache.org/jira/browse/IMPALA-14850
> Project: IMPALA
> Issue Type: Sub-task
> Components: Backend
> Reporter: Balazs Hevele
> Assignee: Balazs Hevele
> Priority: Major
> Labels: codegen, performance
> Fix For: Impala 5.0.0
>
>
> Add codegen for BufferedTupleStream::DeepCopy, and use it for PhjBuilder.
> If possible, use common deepcopy functions with other systems (e.g.
> Tuple::TryDeepCopy*).
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