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https://issues.apache.org/jira/browse/HADOOP-1611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12527196
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stack commented on HADOOP-1611:
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HADOOP-1720 adds 'alter table'. Using it, you can add/delete columns. It runs
the disable/enable of the table for you.
The 'alter table' also has notion of 'change' for column families to set column
family attributes but currently its unimplemented.
That leaves enable/disable table, merge of two adjacent regions (Specifying
regexes on selects belongs in an another issue).
> [hbase] Add enableTable, disableTable, addColumn, etc, to shell
> ---------------------------------------------------------------
>
> Key: HADOOP-1611
> URL: https://issues.apache.org/jira/browse/HADOOP-1611
> Project: Hadoop
> Issue Type: Sub-task
> Components: contrib/hbase
> Reporter: stack
> Priority: Minor
>
> Here are some nice-to-have admin functions that would sit nicely in hbase
> shell:
> + public void addColumn(Text tableName, HColumnDescriptor column) throws
> IOException;
> + public void deleteColumn(Text tableName, Text columnName) throws
> IOException;
> +
> + public void enableTable(Text tableName) throws IOException;
> + public void disableTable(Text tableName) throws IOException;
> (To add/delete columns you must first disable the table and then reenable it).
> Other possibles:
> + public void mergeRegions(Text regionName1, Text regionName2) throws
> IOException;
> + Allow specification of basic row filtering (Doesn't have to be exotic):
> regex match, upper limit on rows returned.
> + Allow changing versions on column families, enabling/disabling compression,
> bloom filters
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