Fix a number of release tests after KNN PRs merged (#134261)

After merging two KNN PRs, the release tests started failing. This fixes
those tests.

Original PRs: * #133806 *
#133753

Author: craigtaverner

modules/percolator/src/internalClusterTest/java/org/elasticsearch/percolator/PercolatorQuerySearchIT.java

@@ -40,6 +40,7 @@
 import java.util.Collections;
 import java.util.Map;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.elasticsearch.index.query.QueryBuilders.boolQuery;
 import static org.elasticsearch.index.query.QueryBuilders.combinedFieldsQuery;
 import static org.elasticsearch.index.query.QueryBuilders.constantScoreQuery;
@@ -1359,7 +1360,15 @@ public void testKnnQueryNotSupportedInPercolator() throws IOException {
             """);
         indicesAdmin().prepareCreate("index1").setMapping(mappings).get();
         ensureGreen();
-        QueryBuilder knnVectorQueryBuilder = new KnnVectorQueryBuilder("my_vector", new float[] { 1, 1, 1, 1, 1 }, 10, 10, 10f, null, null);
+        QueryBuilder knnVectorQueryBuilder = new KnnVectorQueryBuilder(
+            "my_vector",
+            new float[] { 1, 1, 1, 1, 1 },
+            10,
+            10,
+            IVF_FORMAT.isEnabled() ? 10f : null,
+            null,
+            null
+        );
 
         IndexRequestBuilder indexRequestBuilder = prepareIndex("index1").setId("knn_query1")
             .setSource(jsonBuilder().startObject().field("my_query", knnVectorQueryBuilder).endObject());

server/src/internalClusterTest/java/org/elasticsearch/index/store/DirectIOIT.java

@@ -36,6 +36,7 @@
 import java.util.OptionalLong;
 import java.util.stream.IntStream;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
 import static org.hamcrest.Matchers.equalTo;
@@ -124,7 +125,17 @@ public void testDirectIOUsed() {
             indexVectors();
 
             // do a search
-            var knn = List.of(new KnnSearchBuilder("fooVector", new VectorData(null, new byte[64]), 10, 20, 10f, null, null));
+            var knn = List.of(
+                new KnnSearchBuilder(
+                    "fooVector",
+                    new VectorData(null, new byte[64]),
+                    10,
+                    20,
+                    IVF_FORMAT.isEnabled() ? 10f : null,
+                    null,
+                    null
+                )
+            );
             assertHitCount(prepareSearch("foo-vectors").setKnnSearch(knn), 10);
             mockLog.assertAllExpectationsMatched();
         }

server/src/internalClusterTest/java/org/elasticsearch/search/KnnSearchIT.java

@@ -24,6 +24,7 @@
 
 import java.util.List;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.hamcrest.Matchers.notNullValue;
 
 @ESIntegTestCase.ClusterScope(minNumDataNodes = 2)
@@ -77,29 +78,45 @@ public void testKnnSearchWithScroll() throws Exception {
         // test top level knn search
         {
             SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
-            sourceBuilder.knnSearch(List.of(new KnnSearchBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, 10f, null, null)));
+            sourceBuilder.knnSearch(
+                List.of(new KnnSearchBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, IVF_FORMAT.isEnabled() ? 10f : null, null, null))
+            );
             executeScrollSearch(client, sourceBuilder, k);
         }
         // test top level knn search + another query
         {
             SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
-            sourceBuilder.knnSearch(List.of(new KnnSearchBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, 10f, null, null)));
+            sourceBuilder.knnSearch(
+                List.of(new KnnSearchBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, IVF_FORMAT.isEnabled() ? 10f : null, null, null))
+            );
             sourceBuilder.query(QueryBuilders.existsQuery("category").boost(10));
             executeScrollSearch(client, sourceBuilder, k + 10);
         }
 
         // test knn query
         {
             SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
-            sourceBuilder.query(new KnnVectorQueryBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, 10f, null, null));
+            sourceBuilder.query(
+                new KnnVectorQueryBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, IVF_FORMAT.isEnabled() ? 10f : null, null, null)
+            );
             executeScrollSearch(client, sourceBuilder, k * numShards);
         }
         // test knn query + another query
         {
             SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
             sourceBuilder.query(
                 QueryBuilders.boolQuery()
-                    .should(new KnnVectorQueryBuilder(VECTOR_FIELD, new float[] { 0, 0 }, k, 100, 10f, null, null))
+                    .should(
+                        new KnnVectorQueryBuilder(
+                            VECTOR_FIELD,
+                            new float[] { 0, 0 },
+                            k,
+                            100,
+                            IVF_FORMAT.isEnabled() ? 10f : null,
+                            null,
+                            null
+                        )
+                    )
                     .should(QueryBuilders.existsQuery("category").boost(10))
             );
             executeScrollSearch(client, sourceBuilder, k * numShards + 10);

server/src/internalClusterTest/java/org/elasticsearch/search/nested/VectorNestedIT.java

@@ -19,6 +19,7 @@
 import java.util.List;
 import java.util.Map;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailuresAndResponse;
@@ -73,7 +74,8 @@ public void testSimpleNested() throws Exception {
         assertResponse(
             prepareSearch("test").setKnnSearch(
                 List.of(
-                    new KnnSearchBuilder("nested.vector", new float[] { 1, 1, 1 }, 1, 1, 10f, null, null).innerHit(new InnerHitBuilder())
+                    new KnnSearchBuilder("nested.vector", new float[] { 1, 1, 1 }, 1, 1, IVF_FORMAT.isEnabled() ? 10f : null, null, null)
+                        .innerHit(new InnerHitBuilder())
                 )
             ).setAllowPartialSearchResults(false),
             response -> assertThat(response.getHits().getHits().length, greaterThan(0))
@@ -155,7 +157,15 @@ private void testNestedWithTwoSegments(boolean flush) {
         waitForRelocation(ClusterHealthStatus.GREEN);
         refresh();
 
-        var knn = new KnnSearchBuilder("nested.vector", new float[] { -0.5f, 90.0f, -10f, 14.8f, -156.0f }, 2, 3, 10f, null, null);
+        var knn = new KnnSearchBuilder(
+            "nested.vector",
+            new float[] { -0.5f, 90.0f, -10f, 14.8f, -156.0f },
+            2,
+            3,
+            IVF_FORMAT.isEnabled() ? 10f : null,
+            null,
+            null
+        );
         var request = prepareSearch("test").addFetchField("name").setKnnSearch(List.of(knn));
         assertNoFailuresAndResponse(request, response -> {
             assertHitCount(response, 2);

server/src/internalClusterTest/java/org/elasticsearch/search/profile/dfs/DfsProfilerIT.java

@@ -27,6 +27,7 @@
 import java.util.List;
 import java.util.Map;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.elasticsearch.search.profile.query.RandomQueryGenerator.randomQueryBuilder;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertResponse;
@@ -72,7 +73,7 @@ public void testProfileDfs() throws Exception {
                 new float[] { randomFloat(), randomFloat(), randomFloat() },
                 randomIntBetween(5, 10),
                 50,
-                10f,
+                IVF_FORMAT.isEnabled() ? 10f : null,
                 randomBoolean() ? null : new RescoreVectorBuilder(randomFloatBetween(1.0f, 10.0f, false)),
                 randomBoolean() ? null : randomFloat()
             );

server/src/internalClusterTest/java/org/elasticsearch/search/query/RescoreKnnVectorQueryIT.java

@@ -49,6 +49,7 @@
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailuresAndResponse;
 import static org.hamcrest.Matchers.equalTo;
@@ -129,7 +130,7 @@ public static TestParams generate() {
                 randomVector(numDims),
                 k,
                 (int) (k * randomFloatBetween(1.0f, 10.0f, true)),
-                randomBoolean() ? null : randomFloatBetween(0.0f, 100.0f, true),
+                IVF_FORMAT.isEnabled() == false ? null : randomBoolean() ? null : randomFloatBetween(0.0f, 100.0f, true),
                 new RescoreVectorBuilder(randomFloatBetween(1.0f, 100f, true))
             );
         }

server/src/internalClusterTest/java/org/elasticsearch/search/retriever/RetrieverTelemetryIT.java

@@ -27,6 +27,7 @@
 import java.io.IOException;
 import java.util.List;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.hamcrest.Matchers.equalTo;
 
@@ -84,7 +85,9 @@ public void testTelemetryForRetrievers() throws IOException {
         // search#1 - this will record 1 entry for "retriever" in `sections`, and 1 for "knn" under `retrievers`
         {
             performSearch(
-                new SearchSourceBuilder().retriever(new KnnRetrieverBuilder("vector", new float[] { 1.0f }, null, 10, 15, 10f, null, null))
+                new SearchSourceBuilder().retriever(
+                    new KnnRetrieverBuilder("vector", new float[] { 1.0f }, null, 10, 15, IVF_FORMAT.isEnabled() ? 10f : null, null, null)
+                )
             );
         }
 
@@ -99,7 +102,9 @@ public void testTelemetryForRetrievers() throws IOException {
         {
             performSearch(
                 new SearchSourceBuilder().retriever(
-                    new StandardRetrieverBuilder(new KnnVectorQueryBuilder("vector", new float[] { 1.0f }, 10, 15, 10f, null, null))
+                    new StandardRetrieverBuilder(
+                        new KnnVectorQueryBuilder("vector", new float[] { 1.0f }, 10, 15, IVF_FORMAT.isEnabled() ? 10f : null, null, null)
+                    )
                 )
             );
         }
@@ -114,7 +119,9 @@ public void testTelemetryForRetrievers() throws IOException {
         // his will record 1 entry for "knn" in `sections`
         {
             performSearch(
-                new SearchSourceBuilder().knnSearch(List.of(new KnnSearchBuilder("vector", new float[] { 1.0f }, 10, 15, 10f, null, null)))
+                new SearchSourceBuilder().knnSearch(
+                    List.of(new KnnSearchBuilder("vector", new float[] { 1.0f }, 10, 15, IVF_FORMAT.isEnabled() ? 10f : null, null, null))
+                )
             );
         }
 

server/src/main/java/org/elasticsearch/search/retriever/KnnRetrieverBuilder.java

@@ -286,7 +286,7 @@ public void doToXContent(XContentBuilder builder, Params params) throws IOExcept
         builder.field(K_FIELD.getPreferredName(), k);
         builder.field(NUM_CANDS_FIELD.getPreferredName(), numCands);
 
-        if (visitPercentage != null) {
+        if (IVF_FORMAT.isEnabled() && visitPercentage != null) {
             builder.field(VISIT_PERCENTAGE_FIELD.getPreferredName(), visitPercentage);
         }
 

server/src/main/java/org/elasticsearch/search/vectors/KnnSearchBuilder.java

@@ -562,7 +562,7 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
         builder.field(K_FIELD.getPreferredName(), k);
         builder.field(NUM_CANDS_FIELD.getPreferredName(), numCands);
 
-        if (visitPercentage != null) {
+        if (IVF_FORMAT.isEnabled() && visitPercentage != null) {
             builder.field(VISIT_PERCENTAGE_FIELD.getPreferredName(), visitPercentage);
         }
 

server/src/test/java/org/elasticsearch/action/search/DfsQueryPhaseTests.java

@@ -48,6 +48,7 @@
 import java.util.List;
 import java.util.concurrent.atomic.AtomicReference;
 
+import static org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper.IVF_FORMAT;
 import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.instanceOf;
 import static org.mockito.Mockito.mock;
@@ -353,8 +354,8 @@ public void testRewriteShardSearchRequestWithRank() {
         SearchSourceBuilder ssb = new SearchSourceBuilder().query(bm25)
             .knnSearch(
                 List.of(
-                    new KnnSearchBuilder("vector", new float[] { 0.0f }, 10, 100, 10f, null, null),
-                    new KnnSearchBuilder("vector2", new float[] { 0.0f }, 10, 100, 10f, null, null)
+                    new KnnSearchBuilder("vector", new float[] { 0.0f }, 10, 100, IVF_FORMAT.isEnabled() ? 10f : null, null, null),
+                    new KnnSearchBuilder("vector2", new float[] { 0.0f }, 10, 100, IVF_FORMAT.isEnabled() ? 10f : null, null, null)
                 )
             )
             .rankBuilder(new TestRankBuilder(100));