xuyang created FLINK-27851:
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Summary: Join can't access the pk from source table
Key: FLINK-27851
URL: https://issues.apache.org/jira/browse/FLINK-27851
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Affects Versions: 1.16.0
Reporter: xuyang
If the source table contains a pk and enable mini-batch, the join can't get the
pk information in source table. The root cause is that the
`FlinkRelMdUniqueKeys` is not override the function with arg MiniBatchAssigner.
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