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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-987) Hive CLI Omnibus Improvement ticket
Date Thu, 22 Apr 2010 19:39:52 GMT

    [ https://issues.apache.org/jira/browse/HIVE-987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12859976#action_12859976
] 

John Sichi commented on HIVE-987:
---------------------------------

sqlline is agnostic as to SQL dialect, so commands such as show/describe/dfs just work.

(The one exception I have found so far is the set command, which is throwing an NPE; probably
something about the result set we return to list all the settings.  Shouldn't be hard to fix.)

sqlline has some of its own commands such as !help and !quit; these are always prefixed with
bang.  Anything else it just sends through, with the exception of comments, which it strips
off before sending.


> Hive CLI Omnibus Improvement ticket
> -----------------------------------
>
>                 Key: HIVE-987
>                 URL: https://issues.apache.org/jira/browse/HIVE-987
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: Carl Steinbach
>         Attachments: HIVE-987.1.patch, sqlline-1.0.8_eb.jar
>
>
> Add the following features to the Hive CLI:
> * Command History
> * ReadLine support
> ** HIVE-120: Add readline support/support for alt-based commands in the CLI
> ** Java-ReadLine is LGPL, but it depends on GPL readline library. We probably need to
use JLine instead.
> * Tab completion
> ** HIVE-97: tab completion for hive cli
> * Embedded/Standalone CLI modes, and ability to connect to different Hive Server instances.
> ** HIVE-818: Create a Hive CLI that connects to hive ThriftServer
> * .hiverc configuration file
> ** HIVE-920: .hiverc doesnt work
> * Improved support for comments.
> ** HIVE-430: Ability to comment desired for hive query files
> * Different output formats
> ** HIVE-49: display column header on CLI
> ** XML output format
> For additional inspiration we may want to look at the Postgres psql shell: http://www.postgresql.org/docs/8.1/static/app-psql.html
> Finally, it would be really cool if we implemented this in a generic fashion and spun
it off as an apache-commons
> shell framework. It seems like most of the Apache Hadoop projects have their own shells,
and I'm sure the same is true
> for non-Hadoop Apache projects as well. 

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