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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2019/10/08 05:45:11 UTC

[jira] [Resolved] (SPARK-20782) Dataset's isCached operator

     [ https://issues.apache.org/jira/browse/SPARK-20782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-20782.
----------------------------------
    Resolution: Incomplete

> Dataset's isCached operator
> ---------------------------
>
>                 Key: SPARK-20782
>                 URL: https://issues.apache.org/jira/browse/SPARK-20782
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Jacek Laskowski
>            Priority: Trivial
>              Labels: bulk-closed
>
> It'd be very convenient to have {{isCached}} operator that would say whether a query is cached in-memory or not.
> It'd be as simple as the following snippet:
> {code}
> // val q2: DataFrame
> spark.sharedState.cacheManager.lookupCachedData(q2.queryExecution.logical).isDefined
> {code}



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