variant,top_node,returned_rows,scanned_rows,buffers_shared_hit,exec_ms
offset,Limit<-Sort<-Seq Scan,20,2000,141,0.996
keyset_with_index,Limit<-Index Only Scan,20,20,1,0.076
keyset_without_index,Limit<-Sort<-Seq Scan (filter),20,20,141,0.373