The facetting engine can do this job.
On Thursday 08 April 2010 10:16:09 Ninad Raut wrote: > Hi, > > I have a business use case where in I have to generate a tagcloud for words > with freequency greater than a specified threshold. > > The way I store records in solr is : > For every solr document (which includes content) I store mutlivalued entry > of buzzwords with their frequency. > > The technical problem I face is : > While generating a tag cloud I donot know the buzzwords before hand. > Morover I want the frequecy total for a Buzzword across documents. > > In SQL the way to do is: > > Select buzzWord, sum(frequency) > from Verbatim > where count(frequency)>thresholdValue > group by buzzWord > > Is there a similar way I can query a SOLR. Even a workaround solution to > this will do. > > > Thanks. > > Regards, > Ninad R > Markus Jelsma - Technisch Architect - Buyways BV http://www.linkedin.com/in/markus17 050-8536620 / 06-50258350
