LuXugang commented on code in PR #12017:
URL: https://github.com/apache/lucene/pull/12017#discussion_r1049162892
##########
lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java:
##########
@@ -470,14 +470,19 @@ private int reqCount(LeafReaderContext context) throws
IOException {
private int optCount(LeafReaderContext context, Occur occur) throws
IOException {
final int numDocs = context.reader().numDocs();
int optCount = 0;
+ boolean unknownCount = false;
for (WeightedBooleanClause weightedClause : weightedClauses) {
if (weightedClause.clause.getOccur() != occur) {
continue;
}
int count = weightedClause.weight.count(context);
- if (count == -1 || count == numDocs) {
- // If any of the clauses has a number of matches that is unknown, the
number of matches of
- // the disjunction is unknown.
+ if (count == -1) {
+ // If one clause has a number of matches that is unknown, let's be
more aggressive to check
+ // whether remain clauses could match all docs.
+ unknownCount = true;
+ continue;
Review Comment:
addressed in
https://github.com/apache/lucene/pull/12017/commits/dc13ae7bddc3ca272af7c45dd998258984469904
##########
lucene/core/src/java/org/apache/lucene/search/BooleanWeight.java:
##########
@@ -492,7 +497,10 @@ private int optCount(LeafReaderContext context, Occur
occur) throws IOException
return -1;
Review Comment:
Thanks @jpountz , you are right. addressed in
https://github.com/apache/lucene/pull/12017/commits/477b2a4e1f95f408562fc1745979bf9815ffaa75
##########
lucene/core/src/test/org/apache/lucene/search/TestBooleanQuery.java:
##########
@@ -1015,6 +1015,80 @@ public void testDisjunctionRandomClausesMatchesCount()
throws Exception {
}
}
+ public void testAggressiveMatchCount() throws IOException {
Review Comment:
addressed in
https://github.com/apache/lucene/pull/12017/commits/272dec54a59dedc666cf8311c09830c94b3c5369
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