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https://issues.apache.org/jira/browse/HBASE-12049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154403#comment-14154403
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Misty Stanley-Jones commented on HBASE-12049:
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The new patch looks great. The only thing missing (if necessary) is a mention
of the possible dangers of altering a table that is not disabled. Is it
dangerous? I would assume so, since the default is not to allow it.
> Help for alter command is a bit confusing
> -----------------------------------------
>
> Key: HBASE-12049
> URL: https://issues.apache.org/jira/browse/HBASE-12049
> Project: HBase
> Issue Type: Improvement
> Components: documentation, shell
> Affects Versions: 0.98.5
> Reporter: Ashish Singhi
> Assignee: Ashish Singhi
> Priority: Trivial
> Labels: shell
> Attachments: HBASE-12049-1.patch, HBASE-12049.patch
>
>
> The help message shown for alter command is a bit confusing.
> A part of current help message
> {code}
> Here is some help for this command:
> Alter a table. Depending on the HBase setting
> ("hbase.online.schema.update.enable"),
> the table must be disabled or not to be altered (see help 'disable').
> You can add/modify/delete column families, as well as change table
> configuration. Column families work similarly to create; column family
> spec can either be a name string, or a dictionary with NAME attribute.
> Dictionaries are described on the main help command output.
> {code}
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