mocobeta commented on a change in pull request #1169: LUCENE-9004: A minor
feature and patch -- support deleting vector values and fix segments merging
URL: https://github.com/apache/lucene-solr/pull/1169#discussion_r368289244
##########
File path: lucene/core/src/test/org/apache/lucene/index/TestKnnGraph.java
##########
@@ -92,7 +108,277 @@ public void testSingleDocRecall() throws Exception {
iw.commit();
assertConsistentGraph(iw, values);
- assertRecall(dir, 0, values[0]);
+ assertRecall(dir, 1, values[0]);
+ }
+ }
+
+ public void testDocsDeletionAndRecall() throws Exception {
+ /**
+ * {@code KnnExactVectorValueWeight} applies in-set (i.e. the query vector
is exactly in the index)
+ * deletion strategy to filter all unmatched results searched by {@link
org.apache.lucene.search.KnnGraphQuery.KnnExactVectorValueQuery},
+ * and deletes at most ef*segmentCnt vectors that are the same to the
specified queryVector.
+ */
+ final class KnnExactVectorValueWeight extends ConstantScoreWeight {
Review comment:
Thanks, it looks almost okay to me but the Weight and Query classes can be
(and should be) *static* classes.
It would look like this:
```
public class TestKnnGraph extends LuceneTestCase {
....
private static final class KnnExactVectorValueWeight extends
ConstantScoreWeight {
....
}
private static final class KnnExactVectorValueQuery extends Query {
....
}
public void testDocsDeletionAndRecall() throws Exception {
....
Query query = new KnnExactVectorValueQuery(...);
....
}
....
}
```
Please avoid *non-static* inner classes whenever you can do so, because they
consume extra memory and object references ;)
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