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Posted to commits@lucene.apache.org by rm...@apache.org on 2015/02/28 17:43:54 UTC
svn commit: r1662964 - in /lucene/dev/trunk/lucene/core/src:
java/org/apache/lucene/search/BooleanWeight.java
test/org/apache/lucene/search/TestBooleanQuery.java
Author: rmuir
Date: Sat Feb 28 16:43:54 2015
New Revision: 1662964
URL: http://svn.apache.org/r1662964
Log:
LUCENE-6309: disable coord when scores are not needed, or the scoring fn does not use it
Modified:
lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java
lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestBooleanQuery.java
Modified: lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java?rev=1662964&r1=1662963&r2=1662964&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java (original)
+++ lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java Sat Feb 28 16:43:54 2015
@@ -42,13 +42,13 @@ public class BooleanWeight extends Weigh
protected int maxCoord; // num optional + num required
private final boolean disableCoord;
private final boolean needsScores;
+ private final float coords[];
public BooleanWeight(BooleanQuery query, IndexSearcher searcher, boolean needsScores, boolean disableCoord) throws IOException {
super(query);
this.query = query;
this.needsScores = needsScores;
this.similarity = searcher.getSimilarity();
- this.disableCoord = disableCoord;
weights = new ArrayList<>(query.clauses().size());
for (int i = 0 ; i < query.clauses().size(); i++) {
BooleanClause c = query.clauses().get(i);
@@ -58,6 +58,23 @@ public class BooleanWeight extends Weigh
maxCoord++;
}
}
+
+ // precompute coords (0..N, N).
+ // set disableCoord when its explicit, scores are not needed, no scoring clauses, or the sim doesn't use it.
+ coords = new float[maxCoord+1];
+ Arrays.fill(coords, 1F);
+ coords[0] = 0f;
+ if (maxCoord > 0 && needsScores && disableCoord == false) {
+ // compute coords from the similarity, look for any actual ones.
+ boolean seenActualCoord = false;
+ for (int i = 1; i < coords.length; i++) {
+ coords[i] = coord(i, maxCoord);
+ seenActualCoord |= (coords[i] != 1F);
+ }
+ this.disableCoord = seenActualCoord == false;
+ } else {
+ this.disableCoord = true;
+ }
}
@Override
@@ -346,9 +363,9 @@ public class BooleanWeight extends Weigh
}
} else {
if (minShouldMatch > 0) {
- return new BooleanTopLevelScorers.CoordinatingConjunctionScorer(this, coords(), req, requiredScoring.size(), opt);
+ return new BooleanTopLevelScorers.CoordinatingConjunctionScorer(this, coords, req, requiredScoring.size(), opt);
} else {
- return new BooleanTopLevelScorers.ReqMultiOptScorer(req, opt, requiredScoring.size(), coords());
+ return new BooleanTopLevelScorers.ReqMultiOptScorer(req, opt, requiredScoring.size(), coords);
}
}
}
@@ -395,10 +412,11 @@ public class BooleanWeight extends Weigh
} else {
float coords[];
if (disableCoord) {
+ // sneaky: when we do a mixed conjunction/disjunction, we need a fake for the disjunction part.
coords = new float[optional.size()+1];
Arrays.fill(coords, 1F);
} else {
- coords = coords();
+ coords = this.coords;
}
if (minShouldMatch > 1) {
return new MinShouldMatchSumScorer(this, optional, minShouldMatch, coords);
@@ -407,13 +425,4 @@ public class BooleanWeight extends Weigh
}
}
}
-
- private float[] coords() {
- float[] coords = new float[maxCoord+1];
- coords[0] = 0F;
- for (int i = 1; i < coords.length; i++) {
- coords[i] = coord(i, maxCoord);
- }
- return coords;
- }
}
Modified: lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestBooleanQuery.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestBooleanQuery.java?rev=1662964&r1=1662963&r2=1662964&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestBooleanQuery.java (original)
+++ lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/search/TestBooleanQuery.java Sat Feb 28 16:43:54 2015
@@ -674,7 +674,7 @@ public class TestBooleanQuery extends Lu
final Weight weight = searcher.createNormalizedWeight(q, random().nextBoolean());
final Scorer scorer = weight.scorer(reader.leaves().get(0), null);
- assertTrue(scorer instanceof BoostedScorer);
+ assertTrue(scorer instanceof BoostedScorer || scorer instanceof ExactPhraseScorer);
assertNotNull(scorer.asTwoPhaseIterator());
reader.close();