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https://issues.apache.org/jira/browse/SPARK-34725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-34725:
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Assignee: Apache Spark
> Do not show Statistics(sizeInBytes=8.0 EiB) if we don't have valid stats
> ------------------------------------------------------------------------
>
> Key: SPARK-34725
> URL: https://issues.apache.org/jira/browse/SPARK-34725
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: ulysses you
> Assignee: Apache Spark
> Priority: Minor
>
> In cast explian mode, we might get such explain string if the table is
> external and we have not stats.
>
> {code:java}
> == Optimized Logical Plan ==
> GlobalLimit 21, Statistics(sizeInBytes=1008.0 B, rowCount=21)
> +- LocalLimit 21, Statistics(sizeInBytes=12.0 EiB)
> +- Project [cast(c1#52 as string) AS c1#259, pt#53],
> Statistics(sizeInBytes=12.0 EiB)
> +- Relation default.pt1[c1#52,pt#53] parquet, Statistics(sizeInBytes=8.0 EiB)
> {code}
>
> The reason is we use the `Long.MaxValue` as the stats with conf
> `spark.sql.defaultSizeInBytes`. It would be better to hide the default stat.
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