I think you are asking how to re-sort a result set returned from IndexSearcher.search, ie a TopDocs? You can do this with one of the various Rescorers. Have you looked at those?
On Tue, Nov 30, 2021, 9:15 AM Luís Filipe Nassif <lfcnas...@gmail.com> wrote: > Hi Lucene community, > > Our users could do very heavy searches and they are able to change the > sorting criteria multiple times after getting the results. We collect all > of them, this is important for our use case, disabling scoring if the > result size is too large to make the search faster. Currently we have our > own multi-thread sorting code using DocValues (one instance per thread) to > do this after the results are returned, so we don't have to run the heavy > searches again. > > We are upgrading from Lucene 6.6 to 7.x and DocValues access is not random > anymore, but our custom sorting code was based on that. So we are > considering to stop using custom sorting and to use internal Lucene > sorting, but we need to change the sorting multiple times after getting the > TopDocs results. Is this possible? I searched the docs, but was just able > to find out how to sort at the same time the search is done using > IndexSearcher.search(..., Sort) methods. > > Thanks in advance, > Luís Nassif >
