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Posted to issues@impala.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2026/08/03 07:39:00 UTC

[jira] [Resolved] (IMPALA-14850) Codegen tuple copy for Hash Join

     [ https://issues.apache.org/jira/browse/IMPALA-14850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quanlong Huang resolved IMPALA-14850.
-------------------------------------
    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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