dungba88 commented on code in PR #14708:
URL: https://github.com/apache/lucene/pull/14708#discussion_r2115104082
##########
lucene/core/src/java/org/apache/lucene/search/ByteVectorSimilarityValuesSource.java:
##########
@@ -42,7 +78,35 @@ public VectorScorer getScorer(LeafReaderContext ctx) throws
IOException {
ByteVectorValues.checkField(ctx.reader(), fieldName);
return null;
}
- return vectorValues.scorer(queryVector);
+ final FieldInfo fi = ctx.reader().getFieldInfos().fieldInfo(fieldName);
+ if (fi.getVectorDimension() != queryVector.length) {
+ throw new IllegalArgumentException(
+ "Query vector dimension does not match field dimension: "
+ + queryVector.length
+ + " != "
+ + fi.getVectorDimension());
+ }
+
+ // default vector scorer
+ if (useFullPrecision == false) {
+ return vectorValues.scorer(queryVector);
+ }
+
+ final VectorSimilarityFunction vectorSimilarityFunction =
fi.getVectorSimilarityFunction();
+ return new VectorScorer() {
+ final KnnVectorValues.DocIndexIterator iterator =
vectorValues.iterator();
+
+ @Override
+ public float score() throws IOException {
+ return vectorSimilarityFunction.compare(
+ queryVector, vectorValues.vectorValue(iterator.index()));
Review Comment:
This can be done separately too. I'm just curious what you think about this.
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