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Date: Fri, 18 Jan 2013 09:26:13 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12626991.1357842631976.157894.1358501173725@arcas>
In-Reply-To: <JIRA.12626991.1357842631976@arcas>
References: <JIRA.12626991.1357842631976@arcas>
Subject: [jira] [Updated] (HIVE-3884) Better align columns in DESCRIBE
 table_name output to make more human-readable
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     [ https://issues.apache.org/jira/browse/HIVE-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Namit Jain updated HIVE-3884:
-----------------------------

    Status: Open  (was: Patch Available)

comments
                
> Better align columns in DESCRIBE table_name output to make more human-readable
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-3884
>                 URL: https://issues.apache.org/jira/browse/HIVE-3884
>             Project: Hive
>          Issue Type: Improvement
>          Components: CLI
>    Affects Versions: 0.9.0
>            Reporter: Dilip Joseph
>            Assignee: Dilip Joseph
>            Priority: Minor
>             Fix For: 0.11.0
>
>         Attachments: describe_test_table.png, HIVE-3884.1.patch.txt
>
>
> If a table contains very long comments or very long column names, the output of DESCRIBE table_name is not aligned nicely.  The attached screenshot shows the following two problems:
> 1. Rows with long column names do not align well with other columns.
> 2. Rows with long comments wrap to the next line, and make it hard to read the output.  The wrapping behavior depends on the width of the user's terminal width.
> It will be nice to have a DESCRIBE PRETTY table_name command that will produce nicely formatted output that avoids the two problems mentioned above.  It is better to introduce a new DESCRIBE PRETTY command rather than change the behavior of the existing DESCRIBE or DESCRIBE FORMATTED commands, so that we avoid breaking any scripts that automatically parse the output.
> Since the pretty formatting depends on the current terminal width, we need a new hive conf parameter to tell the CLI to auto-detect the current terminal width or to use a fixed width (needed for unit tests).

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