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Posted to user@hbase.apache.org by Ted Yu <yu...@gmail.com> on 2010/01/23 01:16:48 UTC

Re: Help on HBase shell get command usage

How can I find all the rows which have value for certain qualifier ?
For example, all rows which have value for 'stt:page_content'.

Thanks

On Tue, Dec 15, 2009 at 12:09 PM, stack <st...@duboce.net> wrote:

> Try:
>
> hbase(main):005:0> get 'crawltable', 'com.onsoft.www:http/', { COLUMNS =>
> 'stt:'}
>
> i.e. '=>' rather than '='.  Also, its COLUMNS (uppercase I believe) rather
> than column.
>
> Run 'help' in the shell for help and examples.
>
> St.Ack
>
>

Re: Help on HBase shell get command usage

Posted by Jean-Daniel Cryans <jd...@apache.org>.

You can use a scan which will be very inefficient or use indexation
http://hadoop.apache.org/hbase/docs/r0.20.2/api/org/apache/hadoop/hbase/client/tableindexed/package-summary.html

You can also do that by hand.

J-D

On Fri, Jan 22, 2010 at 4:16 PM, Ted Yu <yu...@gmail.com> wrote:
> How can I find all the rows which have value for certain qualifier ?
> For example, all rows which have value for 'stt:page_content'.
>
> Thanks
>
> On Tue, Dec 15, 2009 at 12:09 PM, stack <st...@duboce.net> wrote:
>
>> Try:
>>
>> hbase(main):005:0> get 'crawltable', 'com.onsoft.www:http/', { COLUMNS =>
>> 'stt:'}
>>
>> i.e. '=>' rather than '='.  Also, its COLUMNS (uppercase I believe) rather
>> than column.
>>
>> Run 'help' in the shell for help and examples.
>>
>> St.Ack
>>
>>
>