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https://issues.apache.org/jira/browse/SPARK-30245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17064451#comment-17064451
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Takeshi Yamamuro commented on SPARK-30245:
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Set "Won't fix" because of few performance improvements:
[https://github.com/apache/spark/pull/26875#issuecomment-601999002]
> Add cache for Like and RLike when pattern is not static
> -------------------------------------------------------
>
> Key: SPARK-30245
> URL: https://issues.apache.org/jira/browse/SPARK-30245
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: ulysses you
> Priority: Minor
>
> When pattern is not static, we should avoid compile pattern every time even
> if some pattern is same.
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