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https://issues.apache.org/jira/browse/SPARK-32377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17161723#comment-17161723
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Apache Spark commented on SPARK-32377:
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User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/29175
> CaseInsensitiveMap should be deterministic for addition
> -------------------------------------------------------
>
> Key: SPARK-32377
> URL: https://issues.apache.org/jira/browse/SPARK-32377
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.3, 2.2.3, 2.3.4, 2.4.6, 3.0.0
> Reporter: Dongjoon Hyun
> Priority: Major
>
> {code}
> import org.apache.spark.sql.catalyst.util.CaseInsensitiveMap
> var m = CaseInsensitiveMap(Map.empty[String, String])
> Seq(("paTh", "1"), ("PATH", "2"), ("Path", "3"), ("patH", "4"), ("path",
> "5")).foreach { kv =>
> m = (m + kv).asInstanceOf[CaseInsensitiveMap[String]]
> println(m.get("path"))
> }
> Some(1)
> Some(2)
> Some(3)
> Some(4)
> Some(1)
> {code}
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