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https://issues.apache.org/jira/browse/HIVE-4615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13672709#comment-13672709
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Ashutosh Chauhan commented on HIVE-4615:
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+1
> Invalid column names allowed when created dynamically by a SerDe
> ----------------------------------------------------------------
>
> Key: HIVE-4615
> URL: https://issues.apache.org/jira/browse/HIVE-4615
> Project: Hive
> Issue Type: Bug
> Reporter: Gabriel Reid
> Attachments: HIVE-4615.1.patch.txt
>
>
> When a SerDe creates columns dynamically during table creation, there is no
> checking done on the validity of the created column names. This means that
> it's possible to create a table that contains columns that can't be queried,
> and will lead to issues when trying to query the created table.
> The same column name validation should be performed for dynamically-created
> columns as for other column names.
> This behavior can be easily tested using the TestSerDe, and including a
> column name that includes an invalid identifier character (e.g. a period) in
> the list of columns to create.
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