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https://issues.apache.org/jira/browse/SPARK-31912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17126553#comment-17126553
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Apache Spark commented on SPARK-31912:
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User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/28734
> Normalize all binary comparison expressions
> -------------------------------------------
>
> Key: SPARK-31912
> URL: https://issues.apache.org/jira/browse/SPARK-31912
> Project: Spark
> Issue Type: Improvement
> Components: Tests
> Affects Versions: 3.1.0
> Reporter: Yuming Wang
> Priority: Major
>
> This test will fail:
> {code:scala}
> test("SPARK-31912 Normalize all binary comparison expressions") {
> val original = testRelation
> .where('a === 'b && Literal(13) >= 'b).as("x")
> val optimized = testRelation
> .where(IsNotNull('a) && IsNotNull('b) && 'a === 'b && 'b <= 13 && 'a <=
> 13).as("x")
> comparePlans(Optimize.execute(original.analyze), optimized.analyze)
> }
> {code}
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