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From Fernando Padilla <f...@alum.mit.edu>
Subject Re: [Announce] HBql
Date Wed, 06 Jan 2010 00:40:07 GMT
I haven't used it myself, but doesn't DataNucleus have an HBase 
adapter?  (they support both JPA and JDO apis)

http://www.datanucleus.org/products/accessplatform_1_1/plugins/store.hbase.html


On 1/5/10 1:44 PM, Leen Toelen wrote:
> Hi,
>
> I also think re-using JPA and the JP Quer Language is a great idea.
>
> Regards,
> Leen
>
> On Tue, Jan 5, 2010 at 10:39 PM, Wim Van Leuven<
> wim.vanleuven@highestpoint.biz>  wrote:
>
>    
>> Hello Paul,
>>
>> Looks very interesting. One consideration, though, regarding annotated
>> objects: wouldn't it be enormously interesting to (try to) reuse the JPA
>> annotations?
>>
>> Another very interesting aspect on easing HBase development would be some
>> nifty support for necessary facets or satellites (looking for some good
>> term
>> coining here). By facets/satellites I mean the fact that some data needs
>> denormalization for sake of performance. Updating the annotated source
>> record should also update its facets/satellites spread across other tables.
>>
>> Just an idea.
>>
>> -----Original Message-----
>> From: Paul Ambrose [mailto:pambrose@mac.com]
>> Sent: dinsdag 5 januari 2010 21:49
>> To: hbase-user@hadoop.apache.org
>> Subject: [Announce] HBql
>>
>> Hi,
>>
>> I have been working on an abstraction layer for HBase that I hope
>> HBase users will find helpful.
>>
>> Highlights include:
>> * A dialect of SQL for HBase (usable in the console, scripts, and code)
>> * JDBC bindings
>> * JDBC-like bindings that support annotated objects and generics
>> * Query Executors that make threaded result reading simple
>> * Simplified filter writing for server and/or client
>> * Index support
>>
>> HBql is a work in progress and I am open to feedback and suggestions.
>> I am still working on the docs, so the examples and javadocs are pretty
>> lame.
>>
>> Have a look at: http://www.hbql.com
>>
>> Cheers,
>> Paul
>>
>>
>>      
>    

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