Have a look at Kundera (https://github.com/impetus-opensource/Kundera). It does provide some sort of support (using Lucene) and allow you to deal with association in JPA way.
-Vivek On Fri, Jun 1, 2012 at 6:54 AM, aaron morton <aa...@thelastpickle.com>wrote: > If you want to do arbitrary complex online / realtime queries look at Data > Stax Enterprise, or https://github.com/tjake/Solandra or straight Solr. > > Alternatively denormalise the model to materialise the results when you > insert so you query is a straight lookup. Or do some client side filtering > / aggregation. > > If you want to do the queries offline, you can use Pig or Hive with Hadoop > over Cassandra. The Apache Cassandra distro includes the pig support, hive > is coming (i think) and there are Hadoop interfaces. You can also look at > Data Stax Enterprise. > > > Cheers > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 31/05/2012, at 11:07 PM, Nury Redjepow wrote: > > We want to use cassandra to store complex data. But we can't figure out, > how to organize indexes. > > Our table (column family) looks like this: > > Users = { RandomId int, Firstname varchar, Lastname varchar, Age int, > Country int, ChildCount int } > > In our queries we have mandatory fields (Firstname,Lastname,Age) and extra > search options (Country,ChildCount). How do we organize index to make this > kind of queries fast? > > First I thought, it would be natural to make composite index on > (Firstname,Lastname,Age) and add separate secondary index on remaining > fields (Country and ChildCount). But I can't insert rows into table after > creating secondary indexes. And also, I can't query the table. > > I'm using cassandra 1.1.0, and cqlsh with --cql3 option. > > Any other suggestions to solve our problem (complex queries with mandatory > and additional options) are welcome. > The main point is, how can we join data in cassandra. If I make few index > column families, I need to intersect the values, to get rows that pass all > search criteria??? Or should I use something based on Hadoop (Pig,Hive) to > make such queries? > > Respectfully, Nury > > ------------------------------ > > ------------------------------ > > ------------------------------ > > ------------------------------ > > >
