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https://issues.apache.org/jira/browse/HIVE-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain updated HIVE-3884:
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Status: Patch Available (was: Open)
> 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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