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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13299) Column Names trimmed of leading and trailing spaces
Date Sat, 19 Mar 2016 16:20:33 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-13299:
-----------------------------------
    Affects Version/s: 2.0.0

> Column Names trimmed of leading and trailing spaces
> ---------------------------------------------------
>
>                 Key: HIVE-13299
>                 URL: https://issues.apache.org/jira/browse/HIVE-13299
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>             Fix For: 2.1.0, 2.0.1
>
>         Attachments: HIVE-13299.01.patch
>
>
> PROBLEM:
> As per the Hive Language DDL: 
> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL
> In Hive 0.12 and earlier, only alphanumeric and underscore characters are allowed in
table and column names.
> In Hive 0.13 and later, column names can contain any Unicode character (see HIVE-6013).
Any column name that is specified within backticks (`) is treated literally.
> However column names
> {code}
> ` left` resulted in `left`
> ` middle ` resulted in `middle`
> `right ` resulted in `right`
> `middle space` resulted in `middle space`
> ` middle space ` resulted in `middle space`
> {code}



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