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From "Brock Noland (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9462) HIVE-8577 - breaks type evolution
Date Mon, 26 Jan 2015 23:22:34 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brock Noland updated HIVE-9462:
-------------------------------
    Attachment: HIVE-9462.2.patch

In the attached, in this case, we'll use the record schema as the file schema since the file
schema is not appropriate given the data. I also added logging the exception in at {{DEBUG}}
level.

> 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, HIVE-9462.2.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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