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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2019/11/25 00:33:00 UTC

[jira] [Assigned] (SPARK-29937) Make FileSourceScanExec class fields lazy

     [ https://issues.apache.org/jira/browse/SPARK-29937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun reassigned SPARK-29937:
-------------------------------------

    Assignee: ulysses you

> Make FileSourceScanExec class fields lazy
> -----------------------------------------
>
>                 Key: SPARK-29937
>                 URL: https://issues.apache.org/jira/browse/SPARK-29937
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: ulysses you
>            Assignee: ulysses you
>            Priority: Minor
>
> Since JIRA SPARK-28346,PR [25111|https://github.com/apache/spark/pull/25111], QueryExecution will copy all node stage-by-stage. This make all node instance twice almost. So we should make all class fields lazy to avoid create more unexpected object.



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