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https://issues.apache.org/jira/browse/HIVE-9462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14292569#comment-14292569
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Sergio Peña commented on HIVE-9462:
-----------------------------------
Hi [~brocknoland]
The patch looks good. I tested it in my machine and worked fine.
The only thing I could not understand is what happened with the
'currentFileSchema' when we get the UnresolvedUnionException. Is it going to be
null?
> HIVE-8577 - breaks type evolution
> ---------------------------------
>
> Key: HIVE-9462
> URL: https://issues.apache.org/jira/browse/HIVE-9462
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Affects Versions: 0.15.0
> Reporter: Brock Noland
> Assignee: Brock Noland
> Attachments: HIVE-9462.1.patch, type_evolution.avro
>
>
> If you write an avro field out as {{int}} and then change it's type to
> {{long}} you will get an {{UnresolvedUnionException}} due to code in
> HIVE-8577.
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