[jira] [Commented] (SPARK-40089) Sorting of at least Decimal(20, 2) fails for some values near the max.
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https://issues.apache.org/jira/browse/SPARK-40089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17580437#comment-17580437
]
Apache Spark commented on SPARK-40089:
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User 'revans2' has created a pull request for this issue:
https://github.com/apache/spark/pull/37540
> Sorting of at least Decimal(20, 2) fails for some values near the max.
> --
>
> Key: SPARK-40089
> URL: https://issues.apache.org/jira/browse/SPARK-40089
> Project: Spark
> Issue Type: Bug
> Components: SQL
>Affects Versions: 3.2.0, 3.3.0, 3.4.0
>Reporter: Robert Joseph Evans
>Priority: Major
> Attachments: input.parquet
>
>
> I have been doing some testing with Decimal values for the RAPIDS Accelerator
> for Apache Spark. I have been trying to add in new corner cases and when I
> tried to enable the maximum supported value for a sort I started to get
> failures. On closer inspection it looks like the CPU is sorting things
> incorrectly. Specifically anything that is "99.50" or above
> is placed as a chunk in the wrong location in the outputs.
> In local mode with 12 tasks.
> {code:java}
> spark.read.parquet("input.parquet").orderBy(col("a")).collect.foreach(System.err.println)
> {code}
>
> Here you will notice that the last entry printed is
> {{[99.49]}}, and {{[99.99]}} is near the top
> near {{[-99.99]}}
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[jira] [Commented] (SPARK-40089) Sorting of at least Decimal(20, 2) fails for some values near the max.
[
https://issues.apache.org/jira/browse/SPARK-40089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17580434#comment-17580434
]
Robert Joseph Evans commented on SPARK-40089:
-
I put up a PR https://github.com/apache/spark/pull/37540
> Sorting of at least Decimal(20, 2) fails for some values near the max.
> --
>
> Key: SPARK-40089
> URL: https://issues.apache.org/jira/browse/SPARK-40089
> Project: Spark
> Issue Type: Bug
> Components: SQL
>Affects Versions: 3.2.0, 3.3.0, 3.4.0
>Reporter: Robert Joseph Evans
>Priority: Major
> Attachments: input.parquet
>
>
> I have been doing some testing with Decimal values for the RAPIDS Accelerator
> for Apache Spark. I have been trying to add in new corner cases and when I
> tried to enable the maximum supported value for a sort I started to get
> failures. On closer inspection it looks like the CPU is sorting things
> incorrectly. Specifically anything that is "99.50" or above
> is placed as a chunk in the wrong location in the outputs.
> In local mode with 12 tasks.
> {code:java}
> spark.read.parquet("input.parquet").orderBy(col("a")).collect.foreach(System.err.println)
> {code}
>
> Here you will notice that the last entry printed is
> {{[99.49]}}, and {{[99.99]}} is near the top
> near {{[-99.99]}}
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