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Posted to issues@spark.apache.org by "ulysses you (Jira)" <ji...@apache.org> on 2019/11/18 01:22:00 UTC

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

ulysses you created SPARK-29937:
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             Summary: 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


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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