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https://issues.apache.org/jira/browse/SPARK-49454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-49454:
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Labels: pull-request-available (was: )
> Avoid double normalization in the cache process
> -----------------------------------------------
>
> Key: SPARK-49454
> URL: https://issues.apache.org/jira/browse/SPARK-49454
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Xinyi Yu
> Priority: Major
> Labels: pull-request-available
>
> There is an issue introduced in
> [#46465|https://github.com/apache/spark/pull/46465], which is that
> normalization is applied twice during the cache process. Some normalization
> rules may not be idempotent, so applying them repeatedly may break the plan
> shape and cause an unexpected cache miss.
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