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https://issues.apache.org/jira/browse/FLINK-21710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he updated FLINK-21710:
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Summary: FlinkRelMdUniqueKeys gets incorrect result on TableScan after
project push-down (was: FlinkRelMdUniqueKeys get incorrect result on TableScan
after project push-down)
> FlinkRelMdUniqueKeys gets incorrect result on TableScan after project
> push-down
> -------------------------------------------------------------------------------
>
> Key: FLINK-21710
> URL: https://issues.apache.org/jira/browse/FLINK-21710
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
> Fix For: 1.13.0, 1.12.3
>
>
> FlinkRelMdUniqueKeys#getTableUniqueKeys uses the original columns to find the
> index of primary keys. But after project push-down, the indexes is incorreect
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