The basic idea is to translate the Lens Query plan (Which is a Hive AST) to the DataStore specific Plan/Query.
The best example I can think of right now is the Elastic Search patch by Amruth. You can go through the JIRA [1] for the detailed discussion and the Review Board [2] for code reference. Best regards 1. https://issues.apache.org/jira/browse/LENS-252 2. https://reviews.apache.org/r/36434 On Thu, Jul 23, 2015 at 9:30 PM, Ajay <[email protected]> wrote: > Thanks Yash. > > Is there any documentation or WIKI on the Lens Driver. I am going through > the code as well. > > Thanks > Ajay > > > On Thu, Jul 23, 2015 at 12:01 PM, Yash Sharma <[email protected]> wrote: > > > Hi Ajay, > > Welcome to the Lens Dev. > > We do have plans for a Cassandra driver [1] for Lens but no one has > picked > > it up yet. It would be great if you can pick up the task and submit a > patch > > for review. > > > > Also drop a note on the list in case you stumble upon any issue. Someone > > will always be around to help you out. > > > > > > 1. https://issues.apache.org/jira/browse/LENS-654 > > > > On Thu, Jul 23, 2015 at 11:41 AM, Ajay <[email protected]> wrote: > > > > > Hi, > > > > > > I recently noticed about Apache Lens project. Currently we are building > > > REST APIs for Apache Cassandra (proprietary) as there no such Apache > open > > > source project exists. Now as Lens supports REST APIs for Hadoop and > > JDBC, > > > I want to know is there any plan to support for Apache Cassandra as its > > > support CQL and Spark SQL (thru Spark connector) which are more SQL > like. > > > If yes, I wish to know the details and contribute as well. > > > > > > Thanks > > > Ajay > > > > > >
