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https://issues.apache.org/jira/browse/FLINK-33028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-33028.
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Resolution: Fixed
> FLIP-348: Make expanding behavior of virtual metadata columns configurable
> --------------------------------------------------------------------------
>
> Key: FLINK-33028
> URL: https://issues.apache.org/jira/browse/FLINK-33028
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API, Table SQL / Planner
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Fix For: 1.19.0
>
>
> Many SQL vendors expose additional metadata via so-called "pseudo columns" or
> "system columns" next to the physical columns.
> However, those columns should not be selected by default when expanding
> SELECT *. Also for the sake of backward compatibility. Flink SQL already
> offers pseudo columns next to the physical columns exposed as metadata
> columns.
> This proposal suggests to evolve the existing column design slightly to be
> more useful for platform providers.
> https://cwiki.apache.org/confluence/x/_o6zDw
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