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https://issues.apache.org/jira/browse/SPARK-24771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16604877#comment-16604877
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Marcelo Vanzin commented on SPARK-24771:
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I ran a couple of our tests that exercise avro and they worked fine with 2.4.
They're not comprehensive, though:
- one uses the data source to read / write data, and that shouldn't really be
affected by the change
- the other uses {{GenericRecord}}, so it doesn't really use generated Avro
types.
So I don't really have a test that can say for sure what will break when you
use generated types, which is the part that is explicitly called as being
changed in 1.8. I still think it would be good to try to shade Avro 1.8 in the
data source, and not expose it to other parts of Spark, but otherwise a
strongly worded release note might be ok, although not optimal.
> Upgrade AVRO version from 1.7.7 to 1.8
> --------------------------------------
>
> Key: SPARK-24771
> URL: https://issues.apache.org/jira/browse/SPARK-24771
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Major
> Labels: release-notes
> Fix For: 2.4.0
>
>
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