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https://issues.apache.org/jira/browse/SPARK-38066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17484291#comment-17484291
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Fencheng Mei commented on SPARK-38066:
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[[SPARK-23445][FOLLOWUP] evaluateEquality should ignore attribute without
min/max ColumnStat by Stove-hust · Pull Request #35363 · apache/spark
(github.com)|https://github.com/apache/spark/pull/35363]
[~hyukjin.kwon] Can you review it, it would be very helpful to me
> evaluateEquality should ignore attribute without min/max ColumnStat
> -------------------------------------------------------------------
>
> Key: SPARK-38066
> URL: https://issues.apache.org/jira/browse/SPARK-38066
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Fencheng Mei
> Priority: Minor
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> After opening CBO, when the colStatsMap of a attribute does not have
> min/max, evaluateEquality method should return None, not 0
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