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Posted to issues@impala.apache.org by "Gabor Kaszab (Jira)" <ji...@apache.org> on 2022/09/01 09:14:00 UTC

[jira] [Resolved] (IMPALA-11529) FILE__POSITION virtual column for ORC

     [ https://issues.apache.org/jira/browse/IMPALA-11529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gabor Kaszab resolved IMPALA-11529.
-----------------------------------
    Resolution: Fixed

> FILE__POSITION virtual column for ORC
> -------------------------------------
>
>                 Key: IMPALA-11529
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11529
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Backend
>            Reporter: Gabor Kaszab
>            Assignee: Gabor Kaszab
>            Priority: Major
>              Labels: iceberg
>
> https://gerrit.cloudera.org/#/c/18704/ implemented the support of FILE_POSITION virtual column for Parquet files. This ticket covers the same but for ORC files.
> Note, ORC scanner already has a functionality to calculate the position of a row in a file, in an optimal scenario it only has to be re-used for the FILE_POSITION virtual column.
> see: https://github.com/apache/impala/blob/8e0482294975352d3d34d75adb50602d85b3c155/be/src/exec/orc/hdfs-orc-scanner.h#L275



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