You are mailing a HBase mailing list. Since your only interest seems centered around Cassandra, you should ask your question on a mailing list of theirs. On Feb 26, 2013, at 8:29 PM, bjbhutkar wrote: > The thing I am interested in is in correspondence with cassandra. Cassandra > currently supports multidimensional range queries with a limitation that at > least one of the dimensions supplied in the query must be of equality > operation > example : "Select * from table where Weight > 65 AND Height < 6 AND Country > = India" . This is supported in cassandra. > But "Select * from table where Weight > 65 AND Height < 6" this query is > not possible with current cassandra version. To mitigate this problem I > thought of implementing the CCIndex in cassandra as the paper claims to > provide such functionality. > > I searched around and found the code for CCIndex on github . I was > wondering whether this code can be modified so that it uses Cassandra's > APIs. Furthermore , If anybody's having any suggestions for implementing > such functionality then please let me know . Is such functionality provided > in HBase or not ? If yes , then how the algorithm works for querying the > data where all the dimensions in a query are either "Less Than (<) "or "Greater > Than (>)" ? > > > > On Wed, Feb 27, 2013 at 7:14 AM, Jean-Marc Spaggiari [via Apache HBase] < > ml-node+s679495n4039285h58@n3.nabble.com> wrote: > >> Hi Bhalchandra, >> >> This is a 3 years old PDF, and still, I'm not able to find any trace >> of that in HBase anywhere. Sorry. Seems that it was based on HBase >> 0.20.1. We are now at 0.94.5... >> >> Maybe it's a vendor extension which has not been published/released? >> >> JM >> >> 2013/2/26 bjbhutkar <[hidden email]>: >> >> >>> Hi Jean Marc >>> >>> HBase implementation of CCIndex in the following link >>> >>> http://www.china-cloud.com/ziliao/CCIndex%20HBase.pdf >>> >>> >>> On Tue, Feb 26, 2013 at 11:28 AM, bhalchandra bhutkar < >>> [hidden email] > >> wrote: >>> >>>> Dear Jean Marc , >>>> >>>> Thanks for responding. >>>> CCIndex stands for Complemental Clustering Index. The reference for >>>> CCIndex can be found in following ink >> http://www.slideshare.net/jgabriellima/cc-index-for-cassandra-a-novel-scheme-for-multidimensional-range-queries-in-cassandra >>>> >>>> >>>> >>>> >>>> >>>> On Mon, Feb 25, 2013 at 7:01 AM, Jean-Marc Spaggiari [via Apache HBase] >> < >>>> [hidden email] > >> wrote: >>>> >>>>> Hi, >>>>> >>>>> What do you mean by CCIndex? >>>>> >>>>> The only thing I found about that is >> https://github.com/Jia-Liu/CCIndex and >>>>> >>>>> it has not been updated for 2 years now. >>>>> >>>>> Also found that wich is more recent: >>>>> https://github.com/ICT-Ope/CCIndex_HBase_0.90.0 >>>>> >>>>> You can also read this thread: >>>>> http://www.mail-archive.com/dev@.../msg06553.html< >> http://www.mail-archive.com/dev@.../msg06553.html> >> >>>>> >>>>> Looking at the code I was not able to fine any class name close to >> that >>>>> neither I found anything into the HBase classes. (Searched for >>>>> *CC*Index*) >>>>> >>>>> All of that to say, I'm not sure this is integrated in HBase today. >>>>> >>>>> But I might be wrong. Do you have any reference about what you are >>>>> looking >>>>> for? >>>>> >>>>> JM >>>>> >>>>> 2013/2/24 bjbhutkar <[hidden email]< >> http://user/SendEmail.jtp?type=node&node=4039078&i=0>> >>>>> >>>>> >>>>>> Hello HBase, >>>>>> >>>>>> I am a cassandra user and i want to implement the CCIndex scheme in >>>>>> cassandra. Can anyone help me to understand the CCIndex code ? I >> want >>>>> to >>>>>> modify the CCIndex code so that it will use the Cassandra's APIs. >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> View this message in context: >> http://apache-hbase.679495.n3.nabble.com/CCIndex-for-cassandra-tp4039070.html >>>>>> Sent from the HBase User mailing list archive at Nabble.com. >>>>> >>>>> >>>>> ------------------------------ >>>>> If you reply to this email, your message will be added to the >>>>> discussion below: >> >>>>> . >>>>> NAML< >> http://apache-hbase.679495.n3.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >> >>>> >>>> >>>> >>>> -- >>>> Thanks and Regards >>>> *Bhalchandra J Bhutkar* >>>> *Mob - 7588384281* >>> >>> >>> >>> -- >>> Thanks and Regards >>> *Bhalchandra J Bhutkar* >>> *Mob - 7588384281* >>> >>> >>> >>> >>> -- >>> View this message in context: >> http://apache-hbase.679495.n3.nabble.com/CCIndex-for-cassandra-tp4039070p4039183.html >> >>> Sent from the HBase User mailing list archive at Nabble.com. >> >> >> ------------------------------ >> If you reply to this email, your message will be added to the discussion >> below: >> >> http://apache-hbase.679495.n3.nabble.com/CCIndex-for-cassandra-tp4039070p4039285.html >> To unsubscribe from CCIndex for cassandra, click here >> . >> NAML > > > > -- > Thanks and Regards > *Bhalchandra J Bhutkar* > *Mob - 7588384281* > > > > > -- > View this message in context: http://apache-hbase.679495.n3.nabble.com/CCIndex-for-cassandra-tp4039070p4039295.html > Sent from the HBase User mailing list archive at Nabble.com.