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https://issues.apache.org/jira/browse/IMPALA-14825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltán Borók-Nagy updated IMPALA-14825:
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Component/s: Frontend
> Add syntactic sugar for Iceberg Row Lineage data
> ------------------------------------------------
>
> Key: IMPALA-14825
> URL: https://issues.apache.org/jira/browse/IMPALA-14825
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Reporter: Zoltán Borók-Nagy
> Priority: Major
> Labels: impala-iceberg
>
> Currently Row Lineage fields can be queried by complex expressions:
> * row-id
> ** COALESCE(_file_row_id, ICEBERG__FIRST__ROW__ID + FILE__POSITION)
> * last-updated-sequence-number
> ** COALESCE(_file_last_updated_sequence_number,
> ICEBERG__DATA__SEQUENCE__NUMBER)
> We could add ICEBERG__ROW__ID and ICEBERG__LAST__UPDATED__SEQUENCE__NUMBER
> virtual columns that would always get re-written during analysis.
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