[jira] [Created] (FLINK-30368) Fix calcite method RelMdUtil$numDistinctVals() wrongly return zero if the method input domainSize much larger than numSelected

[Yunhong Zheng (Jira)]

Yunhong Zheng created FLINK-30368:
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             Summary: Fix calcite method RelMdUtil$numDistinctVals() wrongly 
return zero if the method input domainSize much larger than numSelected 
                 Key: FLINK-30368
                 URL: https://issues.apache.org/jira/browse/FLINK-30368
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Planner
    Affects Versions: 1.17.0
            Reporter: Yunhong Zheng
             Fix For: 1.17.0


Fix calcite method RelMdUtil$numDistinctVals() wrongly return zero if the 
method input domainSize much larger than numSelected. This wrong zero value 
will affect the selection of join type。 



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