Infinispan tries to perform projections/sorts on indexed queries even if the targeting field is not projectable/sortable, that is what we call a hybrid query.
The problem is that sometimes even if the field is marked as sortable, we run a hybrid query instead of running a 100% Lucene query.
The issue is related to the fact that the old check (is the field stored?) was outdone with Hibernate Search 6, in which the stored concept was split into projectable and sortable concepts.