Just found out more, drill down query will MatchAllDocsQuery as base query will work if only one path is added, and starts to return empty results if more than 1 path are added. This is very strange...
On Fri, Jul 24, 2015 at 12:12 PM, Sheng <sheng...@gmail.com> wrote: > This is what I am going to achieve - running a drill down query with > baseQuery = null / MatchAllDocsQuery(), and expecting the index returning > all the documents that matches the drill down path(s). So it returns > nothing back to me, however as long as I make the basequery to search a > specific term instead of null / MatchAllDocsQuery(), it returns correct > results back to me. > > I read the src code of DrillDownQuery, it says "using null / > MatchAllDocsQuery() as base query is equal to a pure browsing query". I was > assuming it should work with a particular set of drill down paths too, but > it does not seem to be so. > > BTW - I am using Lucene 4.10.2 >
