You might find o.a.c.i.StubIndex in the test source tree useful. On 6 Mar 2016 19:24, "Henry Manasseh" <henrymanm...@gmail.com> wrote:
> Hello, > I was wondering if anyone is aware of a minimal reference implementation > for a java class implementing a secondary index or some documentation of > the interface(s) I would need to implement (I looked at the SASI 2i code > but I am trying to find the bare bones test or sample class for a newbie if > it exists). > > e.g. I am referring to the class you would use for > 'path.to.the.IndexClass'. > > CREATE CUSTOM INDEX ON users (email) USING 'path.to.the.IndexClass'; > > > > > I am trying to understand if it is possible to index a UDT collection based > on only one field of the UDT and still use the cassandra index file > management (I don't want to provide my own file storage). In other words, I > am looking to see if the custom index class can serve as a transformation > function to only index my subfield. This probably will need a tweak to the > CQL to prevent a syntax error but not concerned about that at the moment. > > Thank you for any helps and tips, > Henry >
