1] If you don't have that many records you can fetch all the results and then do a post parsing step the determine totals
2] If you have a lot of entries in each category and you're worried about fetching thousands of records every time, you can just have seperate indecies per category and search them in in parallel (not Lucene Parallel Search) and you can get up to 100 hits for each one (efficiency) but you'll also have the total from the search to display.
Either way you can boost up speed using RamDirectory if you need more speed from the search, but whichever approach you choose I would recommend that you sit down and do some number crunching to figure out which way to go.
Hope this helps
Nader Henein
Chris Lamprecht wrote:
I'd like to implement a search across several types of "entities", let's say, classes, professors, and departments. I want the user to be able to enter a simple, single query and not have to specify what they're looking for. Then I want the search results to be something like this:
Search results for: "philosophy boyer"
Found: 121 classes - 5 professors - 2 departments
<search results here...>
I know I could iterate through every hit returned and count them up myself, but that seems inefficient if there are lots of results. Is there some other way to get this kind of information from the search result set? My other ideas are: doing a separate search each result type, or storing different types in different indexes. Any suggestions? Thanks for your help!
-Chris
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