fix: Remove np.view for floatvector (#2048)

Signed-off-by: yangxuan <[email protected]>

examples/hello_milvus.py

@@ -73,11 +73,18 @@
     # provide the pk field because `auto_id` is set to False
     [str(i) for i in range(num_entities)],
     rng.random(num_entities).tolist(),  # field random, only supports list
-    rng.random((num_entities, dim)),    # field embeddings, supports numpy.ndarray and list
+    rng.random((num_entities, dim), np.float32),    # field embeddings, supports numpy.ndarray and list
 ]
 
 insert_result = hello_milvus.insert(entities)
 
+row = {
+    "pk": "19530",
+    "random": 0.5,
+    "embeddings": rng.random((1, dim), np.float32)[0]
+}
+hello_milvus.insert(row)
+
 hello_milvus.flush()
 print(f"Number of entities in Milvus: {hello_milvus.num_entities}")  # check the num_entities
 

pymilvus/client/entity_helper.py

@@ -312,7 +312,7 @@ def pack_field_value_to_field_data(
                 raise ParamError(
                     message="invalid input for float32 vector, expect np.ndarray with dtype=float32"
                 )
-            f_value = field_value.view(np.float32).tolist()
+            f_value = field_value.tolist()
 
         field_data.vectors.dim = len(f_value)
         field_data.vectors.float_vector.data.extend(f_value)

pymilvus/orm/prepare.py

@@ -91,7 +91,7 @@ def prepare_insert_data(
                                 field.name, "np.float32/np.float64", f_data.dtype
                             )
                         )
-                    d = f_data.view(np.float32).tolist()
+                    d = f_data.tolist()
 
                 elif isinstance(f_data[0], np.ndarray):
                     for ndarr in f_data: