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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/01/24 06:26:00 UTC
[jira] [Commented] (SPARK-26699) Dataset column output
discrepancies
[ https://issues.apache.org/jira/browse/SPARK-26699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750761#comment-16750761 ]
Hyukjin Kwon commented on SPARK-26699:
--------------------------------------
WrappedArray is a {{Seq}} anyway. So shouldn't be a big deal.
> Dataset column output discrepancies
> ------------------------------------
>
> Key: SPARK-26699
> URL: https://issues.apache.org/jira/browse/SPARK-26699
> Project: Spark
> Issue Type: Question
> Components: Input/Output
> Affects Versions: 2.3.2
> Reporter: Praveena
> Priority: Major
>
> Hi,
>
> When i run my job in Local mode (meaning as standalone in Eclipse) with same parquet input files, the output is -
>
> locations
> --------------------
> [[[true, [[, phys...
> [[[true, [[, phys...
> [[[true, [[, phys...
> null
> [[[true, [[, phys...
> [[[true, [[, phys...
> [[[true, [[, phys...
> [[[true, [[, phys...
> [[[true, [[, phys...
> [[[true, [[, phys...
>
> But when i run the same code base with same input parquet files in the YARN cluster mode, my output is as below -
> --------------------
> locations
> --------------------
> [*WrappedArray*([tr...
> [*WrappedArray*([tr...
> [WrappedArray([tr...
> null
> [WrappedArray([tr...
> [WrappedArray([tr...
> [WrappedArray([tr...
> [WrappedArray([tr...
> [WrappedArray([tr...
> [WrappedArray([tr...
> Its appending WrappedArray :(
> I am using Apache Spark 2.3.2 version and the EMR Version is 5.19.0. What could be the reason for discrepancies in the output of certain Table columns ?
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