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https://issues.apache.org/jira/browse/SPARK-27151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro updated SPARK-27151:
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Description:
In SPARK-27011, we introduced IgnoreCahedData to avoid plan node copys in
CacheManager.
Since ClearCacheCommand has no argument, it also can extend IgnoreCahedData.
was:To avoid unnecessary copys, `ClearCacheCommand` should be `case-object`.
> ClearCacheCommand extends IgnoreCahedData to avoid plan node copys
> ------------------------------------------------------------------
>
> Key: SPARK-27151
> URL: https://issues.apache.org/jira/browse/SPARK-27151
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Takeshi Yamamuro
> Priority: Trivial
>
> In SPARK-27011, we introduced IgnoreCahedData to avoid plan node copys in
> CacheManager.
> Since ClearCacheCommand has no argument, it also can extend IgnoreCahedData.
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