[jira] [Comment Edited] (HIVE-3884) Better align columns in DESCRIBE table_name output to make more human-readable

["Namit Jain (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13557947#comment-13557947 ] 

Namit Jain edited comment on HIVE-3884 at 1/19/13 8:10 AM:
-----------------------------------------------------------

Committed. Thanks Dilip
                
      was (Author: namit):
    Committed. Thanks Joseph
                  
> 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, HIVE-3884.2.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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