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Posted to issues-all@impala.apache.org by "Peter Rozsa (Jira)" <ji...@apache.org> on 2024/09/05 08:16:00 UTC

[jira] [Resolved] (IMPALA-12736) Backend changes for MERGE statement

     [ https://issues.apache.org/jira/browse/IMPALA-12736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Rozsa resolved IMPALA-12736.
----------------------------------
    Resolution: Implemented

> Backend changes for MERGE statement
> -----------------------------------
>
>                 Key: IMPALA-12736
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12736
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>            Reporter: Peter Rozsa
>            Assignee: Peter Rozsa
>            Priority: Major
>              Labels: impala-iceberg
>
> * Merge operator
>  ** duplicate check
>  ** matching WHEN MATCHED/WHEN NOT MATCHED clauses to the underlying rows
>  * Merge sink
>  ** based on UPDATE statement
>  ** dispatching 3 cases:
>  *** delete-write
>  *** delete
>  *** write



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