mirror of https://github.com/milvus-io/milvus.git
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software distributed under the License
|
|
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
|
|
// or implied. See the License for the specific language governing permissions and limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
#include <vector>
|
|
#include "Status.h"
|
|
|
|
|
|
namespace milvus {
|
|
|
|
enum class DataType {
|
|
NONE = 0,
|
|
BOOL = 1,
|
|
INT8 = 2,
|
|
INT16 = 3,
|
|
INT32 = 4,
|
|
INT64 = 5,
|
|
|
|
FLOAT = 10,
|
|
DOUBLE = 11,
|
|
|
|
STRING = 20,
|
|
|
|
VECTOR_BINARY = 100,
|
|
VECTOR_FLOAT = 101,
|
|
VECTOR = 200,
|
|
UNKNOWN = 9999,
|
|
};
|
|
|
|
// Base struct of all fields
|
|
struct Field {
|
|
uint64_t field_id; ///< read-only
|
|
std::string field_name;
|
|
DataType field_type;
|
|
std::string index_params;
|
|
std::string extra_params;
|
|
};
|
|
using FieldPtr = std::shared_ptr<Field>;
|
|
|
|
// DistanceMetric
|
|
enum class DistanceMetric {
|
|
L2 = 1, // Euclidean Distance
|
|
IP = 2, // Cosine Similarity
|
|
HAMMING = 3, // Hamming Distance
|
|
JACCARD = 4, // Jaccard Distance
|
|
TANIMOTO = 5, // Tanimoto Distance
|
|
};
|
|
|
|
// vector field
|
|
struct VectorField : Field {
|
|
uint64_t dimension;
|
|
};
|
|
using VectorFieldPtr = std::shared_ptr<VectorField>;
|
|
|
|
} // namespace milvus
|