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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2025/05/09 10:43:00 UTC

[jira] [Updated] (HIVE-28948) Drop obsolete ROWOFFSET virtual column and related code

     [ https://issues.apache.org/jira/browse/HIVE-28948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HIVE-28948:
----------------------------------
    Labels: pull-request-available  (was: )

> Drop obsolete ROWOFFSET virtual column and related code
> -------------------------------------------------------
>
>                 Key: HIVE-28948
>                 URL: https://issues.apache.org/jira/browse/HIVE-28948
>             Project: Hive
>          Issue Type: Task
>          Components: HiveServer2, SQL
>    Affects Versions: 4.0.1
>            Reporter: Stamatis Zampetakis
>            Assignee: Stamatis Zampetakis
>            Priority: Major
>              Labels: pull-request-available
>
> [ROWOFFSET|https://github.com/apache/hive/blob/174ac6215a2b70c655d3dcfed3dc0001ecb97b9b/ql/src/java/org/apache/hadoop/hive/ql/metadata/VirtualColumn.java#L49] virtual column was introduced for supporting bitmap indexing (HIVE-1803) but indexing support has been removed by HIVE-18448. At the moment there are no real-use cases exercising this virtual column and there are no test cases either.
> Moreover, the presence of the column is controlled by hive.exec.rowoffset configuration property that has been by default set to false since it's introduction to the project.



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