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https://issues.apache.org/jira/browse/IMPALA-11529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-11529 started by Gabor Kaszab.
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> 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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