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https://issues.apache.org/jira/browse/SPARK-34395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen resolved SPARK-34395.
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Fix Version/s: 3.2.0
Resolution: Fixed
Issue resolved by pull request 31510
[https://github.com/apache/spark/pull/31510]
> Clean up unused code for code simplifications
> ---------------------------------------------
>
> Key: SPARK-34395
> URL: https://issues.apache.org/jira/browse/SPARK-34395
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0, 3.2.0
> Reporter: yikf
> Assignee: yikf
> Priority: Trivial
> Fix For: 3.2.0
>
>
> Currently, we pass the default value `EmptyRow` to method `checkEvaluation`
> in the StringExpressionsSuite, but the default value of the 'checkEvaluation'
> method parameter is the `emptyRow`.
> We can clean the parameter for Code Simplifications.
>
> example:
> *before:*
> {code:java}
> def testConcat(inputs: String*): Unit = {
> val expected = if (inputs.contains(null)) null else inputs.mkString
> checkEvaluation(Concat(inputs.map(Literal.create(_, StringType))),
> expected, EmptyRow)
> }{code}
> *after:*
> {code:java}
> def testConcat(inputs: String*): Unit = {
> val expected = if (inputs.contains(null)) null else inputs.mkString
> checkEvaluation(Concat(inputs.map(Literal.create(_, StringType))), expected)
> }{code}
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