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070dfc77bf
milvus/internal/core/unittest/test_data_codec.cpp
Buqian Zheng 070dfc77bf
feat: [Sparse Float Vector] segcore basics and index building (#30357) 
This commit adds sparse float vector support to segcore with the
following:

1. data type enum declarations
2. Adds corresponding data structures for handling sparse float vectors
in various scenarios, including:
* FieldData as a bridge between the binlog and the in memory data
structures
* mmap::Column as the in memory representation of a sparse float vector
column of a sealed segment;
* ConcurrentVector as the in memory representation of a sparse float
vector of a growing segment which supports inserts.
3. Adds logic in payload reader/writer to serialize/deserialize from/to
binlog
4. Adds the ability to allow the index node to build sparse float vector
index
5. Adds the ability to allow the query node to build growing index for
growing segment and temp index for sealed segment without index built

This commit also includes some code cleanness, comment improvement, and
some unit tests for sparse vector.

https://github.com/milvus-io/milvus/issues/29419

Signed-off-by: Buqian Zheng <zhengbuqian@gmail.com>
2024-03-11 14:45:02 +08:00

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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#include <gtest/gtest.h>
#include "storage/DataCodec.h"
#include "storage/InsertData.h"
#include "storage/IndexData.h"
#include "storage/Util.h"
#include "common/Consts.h"
#include "common/Json.h"
#include "test_utils/Constants.h"
#include "test_utils/DataGen.h"
using namespace milvus;
TEST(storage, InsertDataBool) {
FixedVector<bool> data = {true, false, true, false, true};
auto field_data = milvus::storage::CreateFieldData(storage::DataType::BOOL);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::BOOL);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<bool> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataInt8) {
FixedVector<int8_t> data = {1, 2, 3, 4, 5};
auto field_data = milvus::storage::CreateFieldData(storage::DataType::INT8);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::INT8);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<int8_t> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataInt16) {
FixedVector<int16_t> data = {1, 2, 3, 4, 5};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::INT16);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::INT16);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<int16_t> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataInt32) {
FixedVector<int32_t> data = {true, false, true, false, true};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::INT32);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::INT32);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<int32_t> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataInt64) {
FixedVector<int64_t> data = {1, 2, 3, 4, 5};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::INT64);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::INT64);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<int64_t> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataString) {
FixedVector<std::string> data = {
"test1", "test2", "test3", "test4", "test5"};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::VARCHAR);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::VARCHAR);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<std::string> new_data(data.size());
for (int i = 0; i < data.size(); ++i) {
new_data[i] =
*static_cast<const std::string*>(new_payload->RawValue(i));
ASSERT_EQ(new_payload->Size(i), data[i].size());
}
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataFloat) {
FixedVector<float> data = {1, 2, 3, 4, 5};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::FLOAT);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::FLOAT);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<float> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataDouble) {
FixedVector<double> data = {1.0, 2.0, 3.0, 4.2, 5.3};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::DOUBLE);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::DOUBLE);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<double> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataFloatVector) {
std::vector<float> data = {1, 2, 3, 4, 5, 6, 7, 8};
int DIM = 2;
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::VECTOR_FLOAT, DIM);
field_data->FillFieldData(data.data(), data.size() / DIM);
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::VECTOR_FLOAT);
ASSERT_EQ(new_payload->get_num_rows(), data.size() / DIM);
std::vector<float> new_data(data.size());
memcpy(new_data.data(),
new_payload->Data(),
new_payload->get_num_rows() * sizeof(float) * DIM);
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataSparseFloat) {
auto n_rows = 100;
auto vecs = milvus::segcore::GenerateRandomSparseFloatVector(
n_rows, kTestSparseDim, kTestSparseVectorDensity);
auto field_data = milvus::storage::CreateFieldData(
storage::DataType::VECTOR_SPARSE_FLOAT, kTestSparseDim, n_rows);
field_data->FillFieldData(vecs.get(), n_rows);
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_TRUE(new_payload->get_data_type() ==
storage::DataType::VECTOR_SPARSE_FLOAT);
ASSERT_EQ(new_payload->get_num_rows(), n_rows);
auto new_data = static_cast<const knowhere::sparse::SparseRow<float>*>(
new_payload->Data());
for (auto i = 0; i < n_rows; ++i) {
auto& original = vecs[i];
auto& new_vec = new_data[i];
ASSERT_EQ(original.size(), new_vec.size());
for (auto j = 0; j < original.size(); ++j) {
ASSERT_EQ(original[j].id, new_vec[j].id);
ASSERT_EQ(original[j].val, new_vec[j].val);
}
}
}
TEST(storage, InsertDataBinaryVector) {
std::vector<uint8_t> data = {1, 2, 3, 4, 5, 6, 7, 8};
int DIM = 16;
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::VECTOR_BINARY, DIM);
field_data->FillFieldData(data.data(), data.size() * 8 / DIM);
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::VECTOR_BINARY);
ASSERT_EQ(new_payload->get_num_rows(), data.size() * 8 / DIM);
std::vector<uint8_t> new_data(data.size());
memcpy(new_data.data(), new_payload->Data(), new_payload->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataFloat16Vector) {
std::vector<float16> data = {1, 2, 3, 4, 5, 6, 7, 8};
int DIM = 2;
auto field_data = milvus::storage::CreateFieldData(
storage::DataType::VECTOR_FLOAT16, DIM);
field_data->FillFieldData(data.data(), data.size() / DIM);
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::VECTOR_FLOAT16);
ASSERT_EQ(new_payload->get_num_rows(), data.size() / DIM);
std::vector<float16> new_data(data.size());
memcpy(new_data.data(),
new_payload->Data(),
new_payload->get_num_rows() * sizeof(float16) * DIM);
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataBFloat16Vector) {
std::vector<bfloat16> data = {1, 2, 3, 4, 5, 6, 7, 8};
int DIM = 2;
auto field_data = milvus::storage::CreateFieldData(
storage::DataType::VECTOR_BFLOAT16, DIM);
field_data->FillFieldData(data.data(), data.size() / DIM);
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::VECTOR_BFLOAT16);
ASSERT_EQ(new_payload->get_num_rows(), data.size() / DIM);
std::vector<bfloat16> new_data(data.size());
memcpy(new_data.data(),
new_payload->Data(),
new_payload->get_num_rows() * sizeof(bfloat16) * DIM);
ASSERT_EQ(data, new_data);
}
TEST(storage, IndexData) {
std::vector<uint8_t> data = {1, 2, 3, 4, 5, 6, 7, 8};
auto field_data = milvus::storage::CreateFieldData(storage::DataType::INT8);
field_data->FillFieldData(data.data(), data.size());
storage::IndexData index_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
index_data.SetFieldDataMeta(field_data_meta);
index_data.SetTimestamps(0, 100);
storage::IndexMeta index_meta{102, 103, 104, 1};
index_data.set_index_meta(index_meta);
auto serialized_bytes = index_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_index_data = storage::DeserializeFileData(serialized_data_ptr,
serialized_bytes.size());
ASSERT_EQ(new_index_data->GetCodecType(), storage::IndexDataType);
ASSERT_EQ(new_index_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_field_data = new_index_data->GetFieldData();
ASSERT_EQ(new_field_data->get_data_type(), storage::DataType::INT8);
ASSERT_EQ(new_field_data->Size(), data.size());
std::vector<uint8_t> new_data(data.size());
memcpy(new_data.data(), new_field_data->Data(), new_field_data->Size());
ASSERT_EQ(data, new_data);
}
TEST(storage, InsertDataStringArray) {
milvus::proto::schema::ScalarField field_string_data;
field_string_data.mutable_string_data()->add_data("test_array1");
field_string_data.mutable_string_data()->add_data("test_array2");
field_string_data.mutable_string_data()->add_data("test_array3");
field_string_data.mutable_string_data()->add_data("test_array4");
field_string_data.mutable_string_data()->add_data("test_array5");
auto string_array = Array(field_string_data);
FixedVector<Array> data = {string_array};
auto field_data =
milvus::storage::CreateFieldData(storage::DataType::ARRAY);
field_data->FillFieldData(data.data(), data.size());
storage::InsertData insert_data(field_data);
storage::FieldDataMeta field_data_meta{100, 101, 102, 103};
insert_data.SetFieldDataMeta(field_data_meta);
insert_data.SetTimestamps(0, 100);
auto serialized_bytes = insert_data.Serialize(storage::StorageType::Remote);
std::shared_ptr<uint8_t[]> serialized_data_ptr(serialized_bytes.data(),
[&](uint8_t*) {});
auto new_insert_data = storage::DeserializeFileData(
serialized_data_ptr, serialized_bytes.size());
ASSERT_EQ(new_insert_data->GetCodecType(), storage::InsertDataType);
ASSERT_EQ(new_insert_data->GetTimeRage(),
std::make_pair(Timestamp(0), Timestamp(100)));
auto new_payload = new_insert_data->GetFieldData();
ASSERT_EQ(new_payload->get_data_type(), storage::DataType::ARRAY);
ASSERT_EQ(new_payload->get_num_rows(), data.size());
FixedVector<Array> new_data(data.size());
for (int i = 0; i < data.size(); ++i) {
new_data[i] = *static_cast<const Array*>(new_payload->RawValue(i));
ASSERT_EQ(new_payload->Size(i), data[i].byte_size());
ASSERT_TRUE(data[i].operator==(new_data[i]));
}
}
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