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Posted to commits@lucene.apache.org by jp...@apache.org on 2015/09/09 12:30:10 UTC

svn commit: r1701972 - in /lucene/dev/branches/lucene_solr_5_3: ./ lucene/ lucene/core/ lucene/core/src/java/org/apache/lucene/search/ lucene/core/src/test/org/apache/lucene/search/ lucene/queries/ lucene/queries/src/java/org/apache/lucene/queries/ luc...

Author: jpountz
Date: Wed Sep  9 10:30:09 2015
New Revision: 1701972

URL: http://svn.apache.org/r1701972
Log:
LUCENE-6781,LUCENE-6748: backport for 5.3.1.

Modified:
    lucene/dev/branches/lucene_solr_5_3/   (props changed)
    lucene/dev/branches/lucene_solr_5_3/lucene/   (props changed)
    lucene/dev/branches/lucene_solr_5_3/lucene/CHANGES.txt   (contents, props changed)
    lucene/dev/branches/lucene_solr_5_3/lucene/core/   (props changed)
    lucene/dev/branches/lucene_solr_5_3/lucene/core/src/java/org/apache/lucene/search/UsageTrackingQueryCachingPolicy.java
    lucene/dev/branches/lucene_solr_5_3/lucene/core/src/test/org/apache/lucene/search/TestUsageTrackingFilterCachingPolicy.java
    lucene/dev/branches/lucene_solr_5_3/lucene/queries/   (props changed)
    lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/java/org/apache/lucene/queries/BoostingQuery.java
    lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/test/org/apache/lucene/queries/BoostingQueryTest.java

Modified: lucene/dev/branches/lucene_solr_5_3/lucene/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/branches/lucene_solr_5_3/lucene/CHANGES.txt?rev=1701972&r1=1701971&r2=1701972&view=diff
==============================================================================
--- lucene/dev/branches/lucene_solr_5_3/lucene/CHANGES.txt (original)
+++ lucene/dev/branches/lucene_solr_5_3/lucene/CHANGES.txt Wed Sep  9 10:30:09 2015
@@ -11,6 +11,11 @@ Bug Fixes
 * LUCENE-6774: Remove classloader hack in MorfologikFilter. (Robert Muir,
   Uwe Schindler)
 
+* LUCENE-6781: Fixed BoostingQuery to rewrite wrapped queries. (Adrien Grand)
+
+* LUCENE-6748: UsageTrackingQueryCachingPolicy no longer caches trivial queries
+  like MatchAllDocsQuery. (Adrien Grand)
+
 Tests
 
 * LUCENE-6760, SOLR-7958: Move TestUtil#randomWhitespace to the only

Modified: lucene/dev/branches/lucene_solr_5_3/lucene/core/src/java/org/apache/lucene/search/UsageTrackingQueryCachingPolicy.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/lucene_solr_5_3/lucene/core/src/java/org/apache/lucene/search/UsageTrackingQueryCachingPolicy.java?rev=1701972&r1=1701971&r2=1701972&view=diff
==============================================================================
--- lucene/dev/branches/lucene_solr_5_3/lucene/core/src/java/org/apache/lucene/search/UsageTrackingQueryCachingPolicy.java (original)
+++ lucene/dev/branches/lucene_solr_5_3/lucene/core/src/java/org/apache/lucene/search/UsageTrackingQueryCachingPolicy.java Wed Sep  9 10:30:09 2015
@@ -134,6 +134,24 @@ public final class UsageTrackingQueryCac
 
   @Override
   public boolean shouldCache(Query query, LeafReaderContext context) throws IOException {
+    if (query instanceof MatchAllDocsQuery
+        // MatchNoDocsQuery currently rewrites to a BooleanQuery,
+        // but who knows, it might get its own Weight one day
+        || query instanceof MatchNoDocsQuery) {
+      return false;
+    }
+    if (query instanceof BooleanQuery) {
+      BooleanQuery bq = (BooleanQuery) query;
+      if (bq.clauses().isEmpty()) {
+        return false;
+      }
+    }
+    if (query instanceof DisjunctionMaxQuery) {
+      DisjunctionMaxQuery dmq = (DisjunctionMaxQuery) query;
+      if (dmq.getDisjuncts().isEmpty()) {
+        return false;
+      }
+    }
     if (segmentPolicy.shouldCache(query, context) == false) {
       return false;
     }

Modified: lucene/dev/branches/lucene_solr_5_3/lucene/core/src/test/org/apache/lucene/search/TestUsageTrackingFilterCachingPolicy.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/lucene_solr_5_3/lucene/core/src/test/org/apache/lucene/search/TestUsageTrackingFilterCachingPolicy.java?rev=1701972&r1=1701971&r2=1701972&view=diff
==============================================================================
--- lucene/dev/branches/lucene_solr_5_3/lucene/core/src/test/org/apache/lucene/search/TestUsageTrackingFilterCachingPolicy.java (original)
+++ lucene/dev/branches/lucene_solr_5_3/lucene/core/src/test/org/apache/lucene/search/TestUsageTrackingFilterCachingPolicy.java Wed Sep  9 10:30:09 2015
@@ -17,6 +17,8 @@ package org.apache.lucene.search;
  * limitations under the License.
  */
 
+import org.apache.lucene.index.MultiReader;
+import org.apache.lucene.index.SlowCompositeReaderWrapper;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.util.LuceneTestCase;
 
@@ -41,4 +43,13 @@ public class TestUsageTrackingFilterCach
     assertEquals(2, policy.frequency(q3));
   }
 
+  public void testNeverCacheMatchAll() throws Exception {
+    Query q = new MatchAllDocsQuery();
+    UsageTrackingQueryCachingPolicy policy = new UsageTrackingQueryCachingPolicy();
+    for (int i = 0; i < 1000; ++i) {
+      policy.onUse(q);
+    }
+    assertFalse(policy.shouldCache(q, SlowCompositeReaderWrapper.wrap(new MultiReader()).getContext()));
+  }
+
 }

Modified: lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/java/org/apache/lucene/queries/BoostingQuery.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/java/org/apache/lucene/queries/BoostingQuery.java?rev=1701972&r1=1701971&r2=1701972&view=diff
==============================================================================
--- lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/java/org/apache/lucene/queries/BoostingQuery.java (original)
+++ lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/java/org/apache/lucene/queries/BoostingQuery.java Wed Sep  9 10:30:09 2015
@@ -21,10 +21,10 @@ import java.io.IOException;
 import java.util.Objects;
 import java.util.Set;
 
+import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.search.*;
-import org.apache.lucene.util.Bits;
 
 /**
  * The BoostingQuery class can be used to effectively demote results that match a given query. 
@@ -55,6 +55,18 @@ public class BoostingQuery extends Query
     }
 
     @Override
+    public Query rewrite(IndexReader reader) throws IOException {
+      Query matchRewritten = match.rewrite(reader);
+      Query contextRewritten = context.rewrite(reader);
+      if (match != matchRewritten || context != contextRewritten) {
+        BoostingQuery rewritten = new BoostingQuery(matchRewritten, contextRewritten, boost);
+        rewritten.setBoost(getBoost());
+        return rewritten;
+      }
+      return super.rewrite(reader);
+    }
+
+    @Override
     public Weight createWeight(IndexSearcher searcher, boolean needsScores) throws IOException {
       if (needsScores == false) {
         return match.createWeight(searcher, needsScores);

Modified: lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/test/org/apache/lucene/queries/BoostingQueryTest.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/test/org/apache/lucene/queries/BoostingQueryTest.java?rev=1701972&r1=1701971&r2=1701972&view=diff
==============================================================================
--- lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/test/org/apache/lucene/queries/BoostingQueryTest.java (original)
+++ lucene/dev/branches/lucene_solr_5_3/lucene/queries/src/test/org/apache/lucene/queries/BoostingQueryTest.java Wed Sep  9 10:30:09 2015
@@ -17,7 +17,15 @@ package org.apache.lucene.queries;
  * limitations under the License.
  */
 
+import java.io.IOException;
+
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.MultiReader;
 import org.apache.lucene.index.Term;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.MatchAllDocsQuery;
+import org.apache.lucene.search.MatchNoDocsQuery;
+import org.apache.lucene.search.Query;
 import org.apache.lucene.search.QueryUtils;
 import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.util.LuceneTestCase;
@@ -35,4 +43,13 @@ public class BoostingQueryTest extends L
     BoostingQuery bq2 = new BoostingQuery(q1, q2, 0.1f);
     assertEquals("BoostingQuery with same attributes is not equal", bq1, bq2);
   }
+
+  public void testRewrite() throws IOException {
+    IndexReader reader = new MultiReader();
+    BoostingQuery q = new BoostingQuery(new MatchNoDocsQuery(), new MatchAllDocsQuery(), 3);
+    Query rewritten = q.rewrite(reader);
+    Query expectedRewritten = new BoostingQuery(new BooleanQuery.Builder().build(), new MatchAllDocsQuery(), 3);
+    assertEquals(expectedRewritten, rewritten);
+    assertSame(rewritten, rewritten.rewrite(reader));
+  }
 }