[jira] [Created] (FLINK-15123) remove uniqueKeys from FlinkStatistic in blink planner

[Shang Yuanchun (Jira)]

godfrey he created FLINK-15123:
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             Summary: remove uniqueKeys from FlinkStatistic in blink planner
                 Key: FLINK-15123
                 URL: https://issues.apache.org/jira/browse/FLINK-15123
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Planner
            Reporter: godfrey he


{{uniqueKeys}} is a kind of constraint, it's unreasonable that {{uniqueKeys}} is a kind of statistic. so we should remove uniqueKeys from {{FlinkStatistic}} in blink planner. Some temporary solutions (e.g. {{RichTableSourceQueryOperation}}) should also be resolved after primaryKey is introduced in {{TableSchema}}



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