https://wiki.apache.org/solr/FieldCollapsing
> On Mar 13, 2017, at 9:59 PM, Dave <hastings.recurs...@gmail.com> wrote: > > Perhaps look into grouping on that field. > >> On Mar 13, 2017, at 9:08 PM, Scott Smith <ssm...@mainstreamdata.com> wrote: >> >> I'm trying to solve a search problem and wondering if facets (or something >> else) might solve the problem. >> >> Let's assume I have a bunch of documents (100 million+). Each document has >> a category (keyword) assigned to it. A single document my only have one >> category, but there may be multiple documents with the same category (1 to a >> few hundred documents may be in any one category). There are several >> million categories. >> >> Supposed I'm doing a search with a page size of 50. What I want to do is do >> a search (e.g., "dog") and get back the top 50 documents that match the >> contain the word "dog" and are all in different categories. So, there needs >> to be one document from 50 different categories. >> >> If that's not possible, then is it possible to do it if I know the 50 >> categories up-front and hand that off as part of the search (so "find 50 >> documents that match the term 'dog' and there is one document from each of >> 50 specified categories"). >> >> Is there a way to do this? >> >> I'm not extremely knowledgeable about facets, but thought that might be a >> solution. But, it doesn't have to be facets. >> >> Thanks for any help >> >> Scott >> >>