Add SDK support for IVFSQ8NR (#2821)

* add c++ sdk
Signed-off-by: Nsahuang <xiaohai.xu@zilliz.com>

* fix clang
Signed-off-by: Nsahuang <xiaohai.xu@zilliz.com>

core/src/db/engine/ExecutionEngine.h

@@ -53,11 +53,10 @@ enum class EngineType {
 };
 
 static std::map<std::string, EngineType> s_map_engine_type = {
-    {"FLAT", EngineType::FAISS_IDMAP},   {"IVFFLAT", EngineType::FAISS_IVFFLAT}, {"IVFSQ8", EngineType::FAISS_IVFSQ8},
-    {"RNSG", EngineType::NSG_MIX},       {"IVFSQ8H", EngineType::FAISS_IVFSQ8H}, {"IVFPQ", EngineType::FAISS_PQ},
-    {"SPTAGKDT", EngineType::SPTAG_KDT}, {"SPTAGBKT", EngineType::SPTAG_BKT},    {"HNSW", EngineType::HNSW},
-    {"ANNOY", EngineType::ANNOY},
-};
+    {"FLAT", EngineType::FAISS_IDMAP},   {"IVFFLAT", EngineType::FAISS_IVFFLAT},  {"IVFSQ8", EngineType::FAISS_IVFSQ8},
+    {"RNSG", EngineType::NSG_MIX},       {"IVFSQ8H", EngineType::FAISS_IVFSQ8H},  {"IVFPQ", EngineType::FAISS_PQ},
+    {"SPTAGKDT", EngineType::SPTAG_KDT}, {"SPTAGBKT", EngineType::SPTAG_BKT},     {"HNSW", EngineType::HNSW},
+    {"ANNOY", EngineType::ANNOY},        {"IVFSQ8NR", EngineType::FAISS_IVFSQ8NR}};
 
 enum class MetricType {
     L2 = 1,              // Euclidean Distance

core/src/db/engine/ExecutionEngineImpl.cpp

@@ -209,6 +209,10 @@ ExecutionEngineImpl::CreatetVecIndex(EngineType type) {
             index = vec_index_factory.CreateVecIndex(knowhere::IndexEnum::INDEX_FAISS_IVFSQ8, mode);
             break;
         }
+        case EngineType::FAISS_IVFSQ8NR: {
+            index = vec_index_factory.CreateVecIndex(knowhere::IndexEnum::INDEX_FAISS_IVFSQ8NR, mode);
+            break;
+        }
 #ifdef MILVUS_GPU_VERSION
         case EngineType::FAISS_IVFSQ8H: {
             index = vec_index_factory.CreateVecIndex(knowhere::IndexEnum::INDEX_FAISS_IVFSQ8H, mode);

core/src/server/ValidationUtil.cpp

@@ -182,6 +182,7 @@ ValidateIndexParams(const milvus::json& index_params, const engine::meta::Collec
         }
         case (int32_t)engine::EngineType::FAISS_IVFFLAT:
         case (int32_t)engine::EngineType::FAISS_IVFSQ8:
+        case (int32_t)engine::EngineType::FAISS_IVFSQ8NR:
         case (int32_t)engine::EngineType::FAISS_IVFSQ8H:
         case (int32_t)engine::EngineType::FAISS_BIN_IVFFLAT: {
             auto status = CheckParameterRange(index_params, knowhere::IndexParams::nlist, 1, 999999);
@@ -279,6 +280,7 @@ ValidateSearchParams(const milvus::json& search_params, const engine::meta::Coll
         }
         case (int32_t)engine::EngineType::FAISS_IVFFLAT:
         case (int32_t)engine::EngineType::FAISS_IVFSQ8:
+        case (int32_t)engine::EngineType::FAISS_IVFSQ8NR:
         case (int32_t)engine::EngineType::FAISS_IVFSQ8H:
         case (int32_t)engine::EngineType::FAISS_BIN_IVFFLAT:
         case (int32_t)engine::EngineType::FAISS_PQ: {

core/src/server/web_impl/Constants.h

@@ -23,6 +23,7 @@ namespace web {
 extern const char* NAME_ENGINE_TYPE_FLAT;
 extern const char* NAME_ENGINE_TYPE_IVFFLAT;
 extern const char* NAME_ENGINE_TYPE_IVFSQ8;
+extern const char* NAME_ENGINE_TYPE_IVFSQ8NR;
 extern const char* NAME_ENGINE_TYPE_IVFSQ8H;
 extern const char* NAME_ENGINE_TYPE_RNSG;
 extern const char* NAME_ENGINE_TYPE_IVFPQ;

sdk/examples/utils/Utils.cpp

@@ -115,6 +115,8 @@ Utils::IndexTypeName(const milvus::IndexType& index_type) {
             return "HNSW";
         case milvus::IndexType::ANNOY:
             return "ANNOY";
+        case milvus::IndexType::IVFSQ8NR:
+            return "IVFSQ8NR";
         default:
             return "Unknown index type";
     }

sdk/include/MilvusApi.h

@@ -39,6 +39,7 @@ enum class IndexType {
     SPTAGBKT = 8,
     HNSW = 11,
     ANNOY = 12,
+    IVFSQ8NR = 13,
 };
 
 enum class MetricType {