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From Jim Kellerman <...@powerset.com>
Subject RE: Unofficial HBase Blog
Date Tue, 02 Sep 2008 16:15:10 GMT
The closest that HBase will come to implementing joins, etc., will be a connector to PIG which
will then be able to use HBase as a source and a sink.

---
Jim Kellerman, Senior Software Development Engineer
Powerset (Live Search, Microsoft Corporation)


> -----Original Message-----
> From: Guo Leitao [mailto:leitao.guo@gmail.com]
> Sent: Monday, September 01, 2008 6:37 PM
> To: hbase-user@hadoop.apache.org
> Subject: Re: Unofficial HBase Blog
>
> Hi J-D,
>
> Sorry to hear that there is no plan for HBase to develop JDBC/ODBC API.
> Actually, we are now trying to implement some SQL function on Bigtable
> (HBase or Hypertable implementation, not deceide which one is suitable for
> us), such as JOIN/GROUP/SORT/COUNT.
>
> Is there any plan for Hbase to implement such functions?
>
> Many thanks!
>
> Leitao
>
>
> 2008/9/1 Jean-Daniel Cryans <jdcryans@apache.org>
>
> > Leitao,
> >
> > A JDBC plugin is not currently planned and I'm not sure that it would be in
> > the best interest for HBase users. The shift in paradigm requires moving
> > OLAP (or any complicated query) to MapReduce which is offline and where
> > JDBC
> > won't be of any use. It may also mislead new users into thinking that HBase
> > is relational.
> >
> > But, if anyone in the community did code a JDBC plugin, I'm sure we could
> > put it in a "contrib" folder in HBase distribution.
> >
> > I think that a nice alternative for you would be to abstract database
> > interactions behind some database access objects (DAO) if it's not already
> > your situation. This way your developers unfamiliar with HBase would be
> > shielded from the new API.
> >
> > Regards,
> >
> > J-D
> >
> > On Mon, Sep 1, 2008 at 4:07 AM, Guo Leitao <leitao.guo@gmail.com> wrote:
> >
> > > Hi J-D,
> > >
> > > Thanks for your blog!
> > >
> > > We have an application running on Sybase, and now, we want to migrate
> > this
> > > application onto HBase. I'd like to know whether there is a plan for
> > HBase
> > > to develop a stardard(subset) ODBC/JDBC API?
> > >
> > > Cheers!
> > >
> > > Leitao Guo from ChinaMobile
> > >
> > > 2008/8/30 Jean-Daniel Cryans <jdcryans@apache.org>
> > >
> > > > Hi community,
> > > >
> > > > In a move to better inform the new and current users of HBase, I
> > decided
> > > to
> > > > start a blog. For the moment, this will be personal project where I
> > will
> > > > share my thoughts, tricks and other useful stuff. You can find it here:
> > > >
> > > > http://jdcryans.blogspot.com/
> > > >
> > > > Happy hbasing!
> > > >
> > > > J-D
> > > >
> > >
> >

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