> I'm wondering how or if it's possible to implement efficient wildcards at > both ends, e.g. *string* No.
> - if I can get another equality constraint which narrows down potential > result set significantly, I can do a scan. I'm not sure how feasible this is > without benchmarks. Does any one know if I can scan couple hundreds / > thousands in a 3 node replication factory=2 cluster quickly? Not efficiently. If you need full text capabilities look at Solr, Solandra (the solr to cassandra port) or Data Stax Enterprise. Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 21/06/2012, at 2:20 AM, Sam Z J wrote: > Hi all > > I'm wondering how or if it's possible to implement efficient wildcards at > both ends, e.g. *string* > > I can think of a few options... please comment, thanks =D > > - if I can get another equality constraint which narrows down potential > result set significantly, I can do a scan. I'm not sure how feasible this is > without benchmarks. Does any one know if I can scan couple hundreds / > thousands in a 3 node replication factory=2 cluster quickly? > > - for each string I have, index all the prefixes in a column family, e.g. for > string 'string', I'd have rows string, strin, stri, str, st, s, with column > values somehow pointing back as row keys. This almost blows up the storage > needed =/ (also, what do I do if I hit the 2billion row width limit? is there > a way to say 'insert into another row if the current one is full'?) > > thanks > > -- > Zhongshi (Sam) Jiang > sammyjiang...@gmail.com