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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2020/09/28 16:05:00 UTC

[jira] [Updated] (SPARK-33018) Fix compute statistics issue

     [ https://issues.apache.org/jira/browse/SPARK-33018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuming Wang updated SPARK-33018:
--------------------------------
    Attachment: SPARK-33018.jpg

> Fix compute statistics issue
> ----------------------------
>
>                 Key: SPARK-33018
>                 URL: https://issues.apache.org/jira/browse/SPARK-33018
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Yuming Wang
>            Priority: Major
>         Attachments: SPARK-33018.jpg
>
>
> The statistics may be incorrect if it contains {{0}}.
> https://github.com/apache/spark/blob/98be8953c75c026c1cb432cc8f66dd312feed0c6/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/statsEstimation/SizeInBytesOnlyStatsPlanVisitor.scala#L54-L58



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