qlever adapter: failue if no files are provided #72
Description
14:07:05 docker-java-stream--1464214861 [INFO] [o.a.j.e.q.RdfDatabaseBuilderQlever:500] - 2025-02-18 13:07:05.650 - ERROR: Assertion `!fileSpecifications.empty()` failed. Please report this to the developers. In file "/qlever/src/index/IndexBuilderMain.cpp " at line 329
Supplying an empty dummy file such as empty.ttl is sufficient to make the system work:
rpt -e qlever empty.ttl 'SELECT * { ?s ?p ?o }'