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Native: return rerank_oversample and fused_pq from VectorIndex.get_metadata when the engine has them #89

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tae898 merged 1 commit into from
Oct 26, 2026
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Native: return rerank_oversample and fused_pq from VectorIndex.get_metadata when the engine has them #89

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9 changes: 9 additions & 0 deletions native/src/main/java/org/humemai/nativelib/NativeExtras.java
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@
import com.arcadedb.index.TypeIndex;
import com.arcadedb.index.vector.LSMVectorIndex;
import com.arcadedb.schema.LSMVectorIndexMetadata;
import com.arcadedb.serializer.json.JSONObject;
import com.arcadedb.utility.Pair;
import com.arcadedb.function.sql.SQLFunctionAbstract;
import com.arcadedb.graph.Edge;
Expand Down Expand Up @@ -323,6 +324,14 @@ public static CCharPointer vindex(final IsolateThread thread, final long dbh, fi
sb.append(",\"add_hierarchy\":").append(m.addHierarchy).append(",\"build_state\":").append(q(m.buildState));
sb.append(",\"pq_subspaces\":").append(m.pqSubspaces).append(",\"pq_clusters\":").append(m.pqClusters);
sb.append(",\"pq_center_globally\":").append(m.pqCenterGlobally).append(",\"pq_training_limit\":").append(m.pqTrainingLimit);
// rerankOversample and fusedPQ exist from engine 26.11.1 (ArcadeData/arcadedb#10545). The index's own definition JSON writes every knob the
// engine's metadata has, so the keys appear exactly when the linked engine has them and stay out for 26.10.2, and this class names no field
// that 26.10.2 lacks (it compiles and links against both).
final JSONObject definition = first.toJSON();
if (definition.has("rerankOversample"))
sb.append(",\"rerank_oversample\":").append(definition.getInt("rerankOversample"));
if (definition.has("fusedPQ"))
sb.append(",\"fused_pq\":").append(definition.getBoolean("fusedPQ"));
}
case "approximate" -> {
final List<Object> vector = (List<Object>) a.get("vector");
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