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https://issues.apache.org/jira/browse/SPARK-32802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17191166#comment-17191166
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Apache Spark commented on SPARK-32802:
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User 'sunchao' has created a pull request for this issue:
https://github.com/apache/spark/pull/29654
> Avoid using SpecificInternalRow in RunLengthEncoding#Encoder
> ------------------------------------------------------------
>
> Key: SPARK-32802
> URL: https://issues.apache.org/jira/browse/SPARK-32802
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Chao Sun
> Priority: Minor
>
> {{RunLengthEncoding#Encoder}} currently uses {{SpecificInternalRow}} which is
> more expensive than using the native types.
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