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https://issues.apache.org/jira/browse/FLINK-14367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-14367:
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Labels: auto-deprioritized-major auto-deprioritized-minor (was:
auto-deprioritized-major stale-minor)
Priority: Not a Priority (was: Minor)
This issue was labeled "stale-minor" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Minor, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Fully support for converting RexNode to Expression
> --------------------------------------------------
>
> Key: FLINK-14367
> URL: https://issues.apache.org/jira/browse/FLINK-14367
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Reporter: Jark Wu
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> Currently, the {{RexNodeToExpressionConverter}} in both planners are not
> fully support. There're many RexNodes can not be converted to Expressions.
> 1) RexFieldAccess -> GET call
> 2) Literals in interval types and complex types and TimeUnitRange
> 3) TRIM(BOTH/LEADING/HEADING, ..)
> ...
> We should have a comprehensive tests to cover all cases. A good idea is to
> verify with {{ExpressionConverter}} together.
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