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https://issues.apache.org/jira/browse/SPARK-34130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-34130.
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Fix Version/s: 3.1.2
Resolution: Fixed
Issue resolved by pull request 31199
[https://github.com/apache/spark/pull/31199]
> Impove preformace for char varchar padding and length check with StaticInvoke
> -----------------------------------------------------------------------------
>
> Key: SPARK-34130
> URL: https://issues.apache.org/jira/browse/SPARK-34130
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Fix For: 3.1.2
>
>
> This could reduce the `generate.java` size to prevent codegen fallback which
> causes performance regression.
> here is a case from tpcds that could be fixed by this improvementent
> https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/133964/testReport/org.apache.spark.sql.execution/LogicalPlanTagInSparkPlanSuite/q41/
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