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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include "Status.h"
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namespace milvus {
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enum class DataType {
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NONE = 0,
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BOOL = 1,
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INT8 = 2,
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INT16 = 3,
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INT32 = 4,
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INT64 = 5,
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FLOAT = 10,
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DOUBLE = 11,
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STRING = 20,
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VECTOR_BINARY = 100,
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VECTOR_FLOAT = 101,
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VECTOR = 200,
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UNKNOWN = 9999,
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};
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// Base struct of all fields
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struct Field {
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std::string field_name;
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DataType field_type;
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int64_t dim;
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};
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using FieldPtr = std::shared_ptr<Field>;
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// DistanceMetric
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enum class DistanceMetric {
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L2 = 1, // Euclidean Distance
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IP = 2, // Cosine Similarity
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HAMMING = 3, // Hamming Distance
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JACCARD = 4, // Jaccard Distance
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TANIMOTO = 5, // Tanimoto Distance
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};
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// vector field
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struct VectorField : Field {
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uint64_t dimension;
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};
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using VectorFieldPtr = std::shared_ptr<VectorField>;
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} // namespace milvus
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