add vids and const

Author: zourunxin.zrx

include/vsag/index.h

@@ -260,7 +260,7 @@ class Index {
      */
     virtual tl::expected<int64_t, Error>
     CalcBatchDistanceById(int64_t count, 
-                          int64_t *vids, 
+                          const int64_t *vids, 
                           const float* vector,
                           float *&distances) const {
         throw std::runtime_error("Index doesn't support get distance by id");

src/algorithm/hnswlib/algorithm_interface.h

@@ -71,8 +71,8 @@ class AlgorithmInterface {
 
     virtual int64_t 
     getBatchDistanceByLabel(int64_t count, 
-                            int64_t *vids, 
-                            const void* data_point, 
+                            const int64_t *vids, 
+                            const void *data_point, 
                             float *&distances) = 0;
 
     virtual const float*

src/algorithm/hnswlib/hnswalg.cpp

@@ -173,7 +173,7 @@ HierarchicalNSW::getDistanceByLabel(LabelType label, const void* data_point) {
 
 int64_t
 HierarchicalNSW::getBatchDistanceByLabel(int64_t count, 
-                                         int64_t *vids, 
+                                         const int64_t *vids, 
                                          const void* data_point, 
                                          float *&distances) {
     std::shared_lock lock_table(label_lookup_lock_);

src/algorithm/hnswlib/hnswalg.h

@@ -148,7 +148,7 @@ class HierarchicalNSW : public AlgorithmInterface<float> {
 
     int64_t
     getBatchDistanceByLabel(int64_t count, 
-                            int64_t *vids, 
+                            const int64_t *vids, 
                             const void* data_point,
                             float *&distances) override;
 

src/algorithm/hnswlib/hnswalg_static.h

@@ -265,14 +265,14 @@ class StaticHierarchicalNSW : public AlgorithmInterface<float> {
 
     int64_t
     getBatchDistanceByLabel(int64_t count, 
-                            int64_t *vids, 
+                            const int64_t *vids, 
                             const void* data_point, 
                             float *&distances) override {
         std::shared_lock<std::shared_mutex> lock_table(shared_label_lookup_lock);
         int64_t ret_cnt = 0;
         distances = (float *)allocator_->Allocate(sizeof(float) * count);
         for (int i = 0; i < count; i++) {
-            auto search = label_lookup_.find(vid[i]);
+            auto search = label_lookup_.find(vids[i]);
             if (search == label_lookup_.end()) {
                 distances[i] = -1;
             } else {

src/index/hnsw.h

@@ -147,10 +147,10 @@ class HNSW : public Index {
 
     virtual tl::expected<int64_t, Error>
     CalcBatchDistanceById(int64_t count, 
-                          int64_t *vids, 
+                          const int64_t *vids, 
                           const float* vector,
                           float *&distances) const override {
-        SAFE_CALL(return alg_hnsw_->getBatchDistanceByLabel(count, vid, vector, distances));
+        SAFE_CALL(return alg_hnsw_->getBatchDistanceByLabel(count, vids, vector, distances));
     };
 
     [[nodiscard]] bool