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From "stack (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5548) Add ability to get a table in the shell
Date Fri, 09 Mar 2012 22:38:57 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226552#comment-13226552
] 

stack commented on HBASE-5548:
------------------------------

I don't get this comment:

{code}
+        #define the command name in 'where' namespace
+        #which actually just delegates to the shell instance
{code}

Instead of
{code}
+        ret = translate_hbase_exceptions(*args) { command(*args) }
+        return ret
{code}

.. why not just
{code}
+        return translate_hbase_exceptions(*args) { command(*args) }
{code}

Don't need this anymore

+# Copyright 2010 The Apache Software Foundation


I don't see table.help.  Is it missing from this patch?

Can you include snippet of a session using this new facility in shell?

Good on you Jesse
                
> Add ability to get a table in the shell
> ---------------------------------------
>
>                 Key: HBASE-5548
>                 URL: https://issues.apache.org/jira/browse/HBASE-5548
>             Project: HBase
>          Issue Type: Improvement
>          Components: shell
>            Reporter: Jesse Yates
>            Assignee: Jesse Yates
>             Fix For: 0.96.0
>
>         Attachments: ruby_HBASE-5528-v0.patch
>
>
> Currently, all the commands that operate on a table in the shell first have to take the
table as name as input. 
> There are two main considerations:
> * It is annoying to have to write the table name every time, when you should just be
able to get a reference to a table
> * the current implementation is very wasteful - it creates a new HTable for each call
(but reuses the connection since it uses the same configuration)
> We should be able to get a handle to a single HTable and then operate on that.

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