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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13974) ORC Schema Evolution doesn't support add columns to non-last STRUCT columns
Date Thu, 16 Jun 2016 07:26:05 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15333277#comment-15333277
] 

Matt McCline commented on HIVE-13974:
-------------------------------------

Lots of related unit test failures -- clearly this change has broken some major assumptions
in the unit tests.  I don't understand the schema_evol_stats.q Q file failure.  But otherwise,
no other Q file failures???

> ORC Schema Evolution doesn't support add columns to non-last STRUCT columns
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-13974
>                 URL: https://issues.apache.org/jira/browse/HIVE-13974
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive, ORC, Transactions
>    Affects Versions: 1.3.0, 2.1.0, 2.2.0
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Blocker
>             Fix For: 2.1.0
>
>         Attachments: HIVE-13974.01.patch, HIVE-13974.02.patch, HIVE-13974.03.patch, HIVE-13974.04.patch
>
>
> Currently, the included columns are based on the fileSchema and not the readerSchema
which doesn't work for adding columns to non-last STRUCT data type columns.



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