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https://issues.apache.org/jira/browse/FLINK-25769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-25769:
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Labels: pull-request-available (was: )
> Add internal functions and basic function versioning
> ----------------------------------------------------
>
> Key: FLINK-25769
> URL: https://issues.apache.org/jira/browse/FLINK-25769
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API, Table SQL / Planner
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Labels: pull-request-available
>
> As mentioned in FLIP-190:
> We keep the old function definition around under an internal name. The
> physical plan after restore might look similar to:
> {code}
> == Optimized Physical Plan ==
> Calc(select=[$TO_TIMESTAMP_LTZ$1(f0)])
> {code}
> {{$TO_TIMESTAMP_LTZ$1}} has been returned by the ModuleManager.
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