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From "Edward Capriolo (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-30) Hive web interface
Date Fri, 21 Nov 2008 19:25:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-30?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649771#action_12649771

Edward Capriolo commented on HIVE-30:

>>hwi shell script:
I see what you are saying.  Ill add this capability. This would make the hive script work
more like /bin/hadoop

>>I think it will be fairly critical to take in userids and propagate them to hive/hadoop
(by setting user.name property).
Once you have started the hive session. You have access to the set processor. You should be
able to do. SET user.name=ecapriolo. I could make a form to this effect to make setting these
things easier, but the session_set_processor.jsp allows for set commands. 

>>Another thing i just noticed - Hive's current runtime assumes a singleton SessionState
I had not looked deep into that part of the API. That would block me. I guess it did not come
up on any ones radar till now.

>>why don't we just replace 'sessionname' with 'userid' ?
I was looking at this like a user can have more then one session, that being the case a name
would identify it. 

>>please set the session to silent mode. 
Sounds good. I figured most queries would output to a HDFS file. I viewed the result file
as a good way to debug. A normal user would expect whatever came out of the CLI to be in the
results file. I will add a debug switch. In the API

>>how was this tested? 
Me and a live server. Smaller data sets, simple queries. I did not pick up on the 'singleton
SessionState object' issue.

>>any reason why QUERY_SET etc. should not be an enum type?
I'm just old school. I will change it to enum.

> Hive web interface
> ------------------
>                 Key: HIVE-30
>                 URL: https://issues.apache.org/jira/browse/HIVE-30
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Jeff Hammerbacher
>            Assignee: Edward Capriolo
>            Priority: Minor
>         Attachments: HIVE-30.patch
> Hive needs a web interface. The initial checkin should have:
> * simple schema browsing
> * query submission
> * query history (similar to MySQL's SHOW PROCESSLIST)
> A suggested feature: the ability to have a query notify the user when it's completed.
> Edward Capriolo has expressed some interest in driving this process.

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