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https://issues.apache.org/jira/browse/SPARK-51093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-51093:
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Fix Version/s: 3.5.5
> Fix minor endianness issues in tests
> ------------------------------------
>
> Key: SPARK-51093
> URL: https://issues.apache.org/jira/browse/SPARK-51093
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 4.0.0, 3.5.4, 3.5.5, 4.1.0
> Reporter: Jonathan Albrecht
> Assignee: Jonathan Albrecht
> Priority: Minor
> Labels: big-endian, pull-request-available
> Fix For: 4.0.0, 3.5.5
>
>
> There are a few minor endianness related issues in tests that I encountered
> while building spark on s390x:
> ArrayBasedMapBuilderSuite: The output of the UnsafeRow.toString() is based on
> the underlying bytes and is endian dependent.
> WriteDistributionAndOrderingSuite: Casting the id of type Int to Long doesn't
> work on big endian platforms because the BucketFunction calls
> UnsafeRow.getLong() for that column. That happens to work on little endian
> since an int field is stored in the first 4 bytes of the 8 byte field so
> positive ints are layed out the same as positive longs ie. little endian
> order. On big endian, the layout of UnsafeRow int fields does not happen to
> match the layout of long fields for the same number.
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