删除掉排序,看是否能保持高分在前

lucene/core/src/java/org/apache/lucene/search/QueryRescorer.java

@@ -51,14 +51,7 @@ public abstract class QueryRescorer extends Rescorer {
   @Override
   public TopDocs rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN) throws IOException {
     ScoreDoc[] hits = firstPassTopDocs.scoreDocs.clone();
-    Arrays.sort(hits,
-                new Comparator<ScoreDoc>() {
-                  @Override
-                  public int compare(ScoreDoc a, ScoreDoc b) {
-                    return Float.compare(b.score,a.score);
-                  }
-                });
-
+    
     List<LeafReaderContext> leaves = searcher.getIndexReader().leaves();
 
     Weight weight = searcher.createNormalizedWeight(query, true);
@@ -93,7 +86,7 @@ public abstract class QueryRescorer extends Rescorer {
         if (actualDoc < targetDoc) {
           actualDoc = scorer.iterator().advance(targetDoc);
         }
-        
+
         if (actualDoc == targetDoc) {
           // Query did match this doc:
           hit.score = combine(hit.score, true, scorer.score());