From c947254a3dcecc2c61a337742ba344dc7e3b8fa9 Mon Sep 17 00:00:00 2001
From: Yonik Seeley <yonik@apache.org>
Date: Wed, 26 Sep 2007 03:25:30 +0000
Subject: [PATCH] fix BoostedQuery.rewrite

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@579445 13f79535-47bb-0310-9956-ffa450edef68
---
 .../solr/search/function/BoostedQuery.java    | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/java/org/apache/solr/search/function/BoostedQuery.java b/src/java/org/apache/solr/search/function/BoostedQuery.java
index 8e0d9d2c8a2..8bf81384e22 100755
--- a/src/java/org/apache/solr/search/function/BoostedQuery.java
+++ b/src/java/org/apache/solr/search/function/BoostedQuery.java
@@ -40,7 +40,11 @@ public class BoostedQuery extends Query {
   public ValueSource getValueSource() { return boostVal; }
 
   public Query rewrite(IndexReader reader) throws IOException {
-    return q.rewrite(reader);
+    Query newQ = q.rewrite(reader);
+    if (newQ == q) return this;
+    BoostedQuery bq = (BoostedQuery)this.clone();
+    bq.q = newQ;
+    return bq;
   }
 
   public void extractTerms(Set terms) {
@@ -53,12 +57,11 @@ public class BoostedQuery extends Query {
 
   private class BoostedWeight implements Weight {
     Searcher searcher;
-    Weight weight;
-    boolean qStrict;
+    Weight qWeight;
 
     public BoostedWeight(Searcher searcher) throws IOException {
       this.searcher = searcher;
-      this.weight = q.weight(searcher);
+      this.qWeight = q.weight(searcher);
     }
 
     public Query getQuery() {
@@ -70,18 +73,18 @@ public class BoostedQuery extends Query {
     }
 
     public float sumOfSquaredWeights() throws IOException {
-      float sum = weight.sumOfSquaredWeights();
+      float sum = qWeight.sumOfSquaredWeights();
       sum *= getBoost() * getBoost();
       return sum ;
     }
 
     public void normalize(float norm) {
       norm *= getBoost();
-      weight.normalize(norm);
+      qWeight.normalize(norm);
     }
 
     public Scorer scorer(IndexReader reader) throws IOException {
-      Scorer subQueryScorer = weight.scorer(reader);
+      Scorer subQueryScorer = qWeight.scorer(reader);
       return new BoostedQuery.CustomScorer(getSimilarity(searcher), reader, this, subQueryScorer, boostVal);
     }
 
@@ -125,7 +128,7 @@ public class BoostedQuery extends Query {
     }
 
     public Explanation explain(int doc) throws IOException {
-      Explanation subQueryExpl = weight.weight.explain(reader,doc);
+      Explanation subQueryExpl = weight.qWeight.explain(reader,doc);
       if (!subQueryExpl.isMatch()) {
         return subQueryExpl;
       }