jpountz commented on a change in pull request #106:
URL: https://github.com/apache/lucene/pull/106#discussion_r620046351
##########
File path: lucene/core/src/java/org/apache/lucene/index/CheckIndex.java
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@@ -2336,6 +2338,29 @@ static void checkImpacts(Impacts impacts, int
lastTarget) {
+ docCount
+ " docs with values");
}
+ VectorReader vectorReader = reader.getVectorReader();
+ if (vectorReader instanceof Lucene90HnswVectorReader) {
+ KnnGraphValues graphValues =
+ ((Lucene90HnswVectorReader)
vectorReader).getGraphValues(fieldInfo.name);
+ int size = graphValues.size();
+ for (int i = 0; i < size; i++) {
+ graphValues.seek(i);
+ for (int neighbor = graphValues.nextNeighbor();
+ neighbor != NO_MORE_DOCS;
+ neighbor = graphValues.nextNeighbor()) {
+ if (neighbor < 0 || neighbor >= size) {
+ throw new RuntimeException(
+ "Field \""
+ + fieldInfo.name
+ + "\" has an invalid neighbor ordinal: "
+ + neighbor
+ + " which should be in [0,"
+ + size
+ + ")");
+ }
+ }
+ }
+ }
Review comment:
Codec-specific tests do not feel like a good fit for CheckIndex, should
it move to TestLucene90HnswVectorFormat?
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