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https://issues.apache.org/jira/browse/FLINK-28434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shengkai Fang reassigned FLINK-28434:
-------------------------------------
Assignee: Shengkai Fang
> Extend "NestedProjectionUtil" to unify support for projection pushdown for
> physical fields or metadata only
> -----------------------------------------------------------------------------------------------------------
>
> Key: FLINK-28434
> URL: https://issues.apache.org/jira/browse/FLINK-28434
> Project: Flink
> Issue Type: Improvement
> Reporter: lincoln lee
> Assignee: Shengkai Fang
> Priority: Minor
>
> Extend `NestedProjectionUtil` to unify support for projection pushdown for
> physical fields or metadata only.
> Currently, the `NestedProjectionUtil` relies on rewritten of the input row
> type, this not works on the case that a table source only
> [SupportsReadingMetadata|https://github.com/apache/flink/pull/20118#] and not
> [SupportsProjectionPushDown (which was fixed by
> |https://github.com/apache/flink/pull/20118#]
> [FLINK-28334|https://github.com/apache/flink/pull/20118#]
> [)|https://github.com/apache/flink/pull/20118#]
> Some refactor work is needed.
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