def METHOD_NAME(self):
    import numpy as np
    rng = np.random.default_rng(seed=19530)
    dim = 8
    schema = CollectionSchema([
        FieldSchema("float_vector", DataType.FLOAT_VECTOR, dim=dim),
        FieldSchema("pk_field", DataType.INT64, is_primary=True, auto_id=True),
        FieldSchema("float", DataType.DOUBLE)
    ])
    rows = [
        {"float": 1.0, "float_vector": rng.random((1, dim))[0], "a": 1},
        {"float": 1.0, "float_vector": rng.random((1, dim))[0], "b": 1},
    ]
    Prepare.row_insert_param("", rows, "", fields_info=schema.to_dict()["fields"], enable_dynamic=True)