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milvus/sdk/grpc/ClientProxy.cpp
rain a95f6843aa Add create index interface and update the proto of master 
Signed-off-by: rain <boyan.wang@zilliz.com>
2020-09-21 15:10:54 +08:00

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// 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.
#include "grpc/ClientProxy.h"
#include "thirdparty/nlohmann/json.hpp"
#include <memory>
#include <string>
#include <vector>
#include "grpc-gen/message.grpc.pb.h"
#define MILVUS_SDK_VERSION "0.9.0";
namespace milvus {
using JSON = nlohmann::json;
using byte = uint8_t;
static const char* EXTRA_PARAM_KEY = "params";
bool
UriCheck(const std::string& uri) {
size_t index = uri.find_first_of(':', 0);
return (index != std::string::npos);
}
template <typename T>
void
ConstructSearchParam(const std::string& collection_name, const std::vector<std::string>& partition_tag_array,
int64_t topk, const std::string& extra_params, T& search_param) {
// search_param.set_collection_name(collection_name);
// milvus::grpc::KeyValuePair* kv = search_param.add_extra_params();
// kv->set_key(EXTRA_PARAM_KEY);
// kv->set_value(extra_params);
//
// for (auto& tag : partition_tag_array) {
// search_param.add_partition_tag_array(tag);
// }
}
void
CopyRowRecord(::milvus::grpc::VectorRowRecord* target, const VectorData& src) {
if (!src.float_data.empty()) {
auto vector_data = target->mutable_float_data();
vector_data->Resize(static_cast<int>(src.float_data.size()), 0.0);
memcpy(vector_data->mutable_data(), src.float_data.data(), src.float_data.size() * sizeof(float));
}
if (!src.binary_data.empty()) {
target->set_binary_data(src.binary_data.data(), src.binary_data.size());
}
}
void
ConstructTopkResult(const ::milvus::grpc::QueryResult& grpc_result, TopKQueryResult& topk_query_result) {
// topk_query_result.reserve(grpc_result.row_num());
// int64_t nq = grpc_result.row_num();
// int64_t topk = grpc_result.entities().ids_size() / nq;
// for (int64_t i = 0; i < nq; i++) {
// milvus::QueryResult one_result;
// one_result.ids.resize(topk);
// one_result.distances.resize(topk);
// memcpy(one_result.ids.data(), grpc_result.entities().ids().data() + topk * i, topk * sizeof(int64_t));
// memcpy(one_result.distances.data(), grpc_result.distances().data() + topk * i, topk * sizeof(float));
//
// int valid_size = one_result.ids.size();
// while (valid_size > 0 && one_result.ids[valid_size - 1] == -1) {
// valid_size--;
// }
// if (valid_size != topk) {
// one_result.ids.resize(valid_size);
// one_result.distances.resize(valid_size);
// }
//
// topk_query_result.emplace_back(one_result);
// }
}
void
ConstructTopkQueryResult(const ::milvus::grpc::QueryResult& grpc_result, TopKQueryResult& topk_query_result) {
int64_t nq = grpc_result.row_num();
if (nq == 0) {
return;
}
topk_query_result.reserve(nq);
auto grpc_entity = grpc_result.entities();
int64_t topk = grpc_entity.ids_size() / nq;
// TODO(yukun): filter -1 results
for (int64_t i = 0; i < grpc_result.row_num(); i++) {
milvus::QueryResult one_result;
one_result.ids.resize(topk);
one_result.distances.resize(topk);
memcpy(one_result.ids.data(), grpc_entity.ids().data() + topk * i, topk * sizeof(int64_t));
memcpy(one_result.distances.data(), grpc_result.distances().data() + topk * i, topk * sizeof(float));
// int64_t j;
// for (j = 0; j < grpc_entity.fields_size(); j++) {
// auto grpc_field = grpc_entity.fields(j);
// if (grpc_field.has_attr_record()) {
// if (grpc_field.attr_record().int32_value_size() > 0) {
// std::vector<int32_t> int32_data(topk);
// memcpy(int32_data.data(), grpc_field.attr_record().int32_value().data() + topk * i,
// topk * sizeof(int32_t));
//
// one_result.field_value.int32_value.insert(std::make_pair(grpc_field.field_name(), int32_data));
// } else if (grpc_field.attr_record().int64_value_size() > 0) {
// std::vector<int64_t> int64_data(topk);
// memcpy(int64_data.data(), grpc_field.attr_record().int64_value().data() + topk * i,
// topk * sizeof(int64_t));
// one_result.field_value.int64_value.insert(std::make_pair(grpc_field.field_name(), int64_data));
// } else if (grpc_field.attr_record().float_value_size() > 0) {
// std::vector<float> float_data(topk);
// memcpy(float_data.data(), grpc_field.attr_record().float_value().data() + topk * i,
// topk * sizeof(float));
// one_result.field_value.float_value.insert(std::make_pair(grpc_field.field_name(), float_data));
// } else if (grpc_field.attr_record().double_value_size() > 0) {
// std::vector<double> double_data(topk);
// memcpy(double_data.data(), grpc_field.attr_record().double_value().data() + topk * i,
// topk * sizeof(double));
// one_result.field_value.double_value.insert(std::make_pair(grpc_field.field_name(), double_data));
// }
// }
// if (grpc_field.has_vector_record()) {
// int64_t vector_row_count = grpc_field.vector_record().records_size();
// if (vector_row_count > 0) {
// std::vector<VectorData> vector_data(topk);
// for (int64_t k = topk * i; k < topk * (i + 1); k++) {
// auto grpc_vector_data = grpc_field.vector_record().records(k);
// if (grpc_vector_data.float_data_size() > 0) {
// vector_data[k].float_data.resize(grpc_vector_data.float_data_size());
// memcpy(vector_data[k].float_data.data(), grpc_vector_data.float_data().data(),
// grpc_vector_data.float_data_size() * sizeof(float));
// } else if (grpc_vector_data.binary_data().size() > 0) {
// vector_data[k].binary_data.resize(grpc_vector_data.binary_data().size() / 8);
// memcpy(vector_data[k].binary_data.data(), grpc_vector_data.binary_data().data(),
// grpc_vector_data.binary_data().size());
// }
// }
// one_result.field_value.vector_value.insert(std::make_pair(grpc_field.field_name(), vector_data));
// }
// }
// }
topk_query_result.emplace_back(one_result);
}
}
void
CopyFieldValue(const FieldValue &field_value, milvus::grpc::InsertParam &insert_param) {
std::vector<std::vector<byte>> binary_data(field_value.row_num);
if (!field_value.int8_value.empty()) {
for (auto &field_it : field_value.int8_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
grpc_field->set_type(milvus::grpc::DataType::INT8);
grpc_field->set_dim(1);
auto field_data = field_it.second;
auto data_size = field_data.size();
for (int i = 0; i < data_size; i++) {
binary_data[i].push_back(field_data[i]);
}
}
}
if (!field_value.int16_value.empty()) {
for (auto &field_it : field_value.int16_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
grpc_field->set_type(milvus::grpc::DataType::INT16);
grpc_field->set_dim(1);
auto field_data = field_it.second;
auto data_size = field_data.size();
for (int i = 0; i < data_size; i++) {
const byte *begin = reinterpret_cast< const byte * >( &field_data[i]);
const byte *end = begin + sizeof(int16_t);
binary_data[i].insert(std::end(binary_data[i]), begin, end);
}
}
}
if (!field_value.int32_value.empty()) {
for (auto &field_it : field_value.int32_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
grpc_field->set_type(milvus::grpc::DataType::INT32);
grpc_field->set_dim(1);
auto field_data = field_it.second;
auto data_size = field_data.size();
for (int i = 0; i < data_size; i++) {
const byte *begin = reinterpret_cast< const byte * >( &field_data[i]);
const byte *end = begin + sizeof(int32_t);
binary_data[i].insert(std::end(binary_data[i]), begin, end);
}
}
}
if (!field_value.int64_value.empty()) {
for (auto &field_it : field_value.int64_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
grpc_field->set_type(milvus::grpc::DataType::INT64);
grpc_field->set_dim(1);
auto field_data = field_it.second;
auto data_size = field_data.size();
for (int i = 0; i < data_size; i++) {
const byte *begin = reinterpret_cast< const byte * >( &field_data[i]);
const byte *end = begin + sizeof(int64_t);
binary_data[i].insert(std::end(binary_data[i]), begin, end);
}
}
}
if (!field_value.float_value.empty()) {
for (auto &field_it : field_value.float_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
grpc_field->set_type(milvus::grpc::DataType::FLOAT);
grpc_field->set_dim(1);
auto field_data = field_it.second;
auto data_size = field_data.size();
for (int i = 0; i < data_size; i++) {
const byte *begin = reinterpret_cast< const byte * >( &field_data[i]);
const byte *end = begin + sizeof(float);
binary_data[i].insert(std::end(binary_data[i]), begin, end);
}
}
}
if (!field_value.double_value.empty()) {
for (auto &field_it : field_value.double_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
grpc_field->set_type(milvus::grpc::DataType::DOUBLE);
grpc_field->set_dim(1);
auto field_data = field_it.second;
auto data_size = field_data.size();
for (int i = 0; i < data_size; i++) {
const byte *begin = reinterpret_cast< const byte * >( &field_data[i]);
const byte *end = begin + sizeof(double);
binary_data[i].insert(std::end(binary_data[i]), begin, end);
}
}
}
if (!field_value.vector_value.empty()) {
for (auto &field_it : field_value.vector_value) {
auto grpc_field = insert_param.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field_it.first);
auto field_data = field_it.second;
auto data_size = field_data.size();
if (field_data[0].binary_data.empty()) {
grpc_field->set_type(milvus::grpc::DataType::VECTOR_FLOAT);
grpc_field->set_dim(field_data[0].float_data.size());
for (int i = 0; i < data_size; i++) {
const byte *begin = reinterpret_cast< const byte * >( field_data[i].float_data.data());
const byte *end = begin + sizeof(float) * (field_data[i].float_data.size());
binary_data[i].insert(std::end(binary_data[i]), begin, end);
}
} else {
grpc_field->set_type(milvus::grpc::DataType::VECTOR_BINARY);
grpc_field->set_dim(field_data[0].binary_data.size());
for (int i = 0; i < data_size; i++) {
binary_data[i].insert(std::end(binary_data[i]), field_data[i].binary_data.data(),
field_data[i].binary_data.data() + field_data[i].binary_data.size());
}
}
}
}
for (int i = 0; i < binary_data.size(); i++) {
auto row = insert_param.add_rows_data();
row->set_blob(reinterpret_cast<const char *>(binary_data[i].data()), binary_data[i].size());
}
}
void
CopyEntityToJson(::milvus::grpc::Entities& grpc_entities, JSON& json_entity,Mapping schema) {
auto rows = grpc_entities.rows_data();
auto row_num = grpc_entities.ids().size();
std::vector<JSON> rows_json(row_num);
for (int i = 0; i < row_num; i++) {
auto row = rows[i].blob();
int32_t offset = 0;
for (int j = 0; j < schema.fields.size(); j++) {
rows_json[i]["id"] = grpc_entities.ids(i);
switch (schema.fields[j]->field_type) {
case DataType::BOOL:
case DataType::INT8 :{
rows_json[i][schema.fields[j]->field_name] = row[offset];
offset += 1;
break;
}
case DataType::INT16:{
auto int16_ptr = reinterpret_cast<const int16_t *>(row.data() + offset);
rows_json[i][schema.fields[j]->field_name] = int16_ptr[0];
offset += 2;
break;
}
case DataType::INT32:{
auto int32_ptr = reinterpret_cast<const int32_t *>(row.data() + offset);
rows_json[i][schema.fields[j]->field_name] = int32_ptr[0];
offset += 4;
break;
}
case DataType::INT64:{
auto int64_ptr = reinterpret_cast<const int32_t *>(row.data() + offset);
rows_json[i][schema.fields[j]->field_name] = int64_ptr[0];
offset += 8;
break;
}
case DataType::FLOAT:{
auto float_ptr = reinterpret_cast<const float *>(row.data() + offset);
rows_json[i][schema.fields[j]->field_name] = float_ptr[0];
offset += sizeof(float);
break;
}
case DataType::DOUBLE:{
auto double_ptr = reinterpret_cast<const float *>(row.data() + offset);
rows_json[i][schema.fields[j]->field_name] = double_ptr[0];
offset += sizeof(double);
break;
}
case DataType::VECTOR_BINARY:{
const byte *begin = reinterpret_cast< const byte * >( row.data() + offset);
const byte *end = begin + schema.fields[j]->dim;
std::vector<byte> binary_data;
binary_data.insert(std::begin(binary_data),begin,end);
rows_json[i][schema.fields[j]->field_name] = binary_data;
offset += schema.fields[j]->dim;
}
case DataType::VECTOR_FLOAT: {
const float *begin = reinterpret_cast< const float * >( row.data() + offset);
const float *end = begin + schema.fields[j]->dim;
std::vector<float> float_data;
float_data.insert(std::begin(float_data),begin,end);
rows_json[i][schema.fields[j]->field_name] = float_data;
offset += schema.fields[j]->dim * sizeof(float);
break;
}
default:
break;
}
}
}
for (auto one_json : rows_json) {
json_entity.emplace_back(one_json);
}
}
Status
ClientProxy::Connect(const ConnectParam& param) {
std::string uri = param.ip_address + ":" + param.port;
::grpc::ChannelArguments args;
args.SetMaxSendMessageSize(-1);
args.SetMaxReceiveMessageSize(-1);
channel_ = ::grpc::CreateCustomChannel(uri, ::grpc::InsecureChannelCredentials(), args);
if (channel_ != nullptr) {
connected_ = true;
client_ptr_ = std::make_shared<GrpcClient>(channel_);
return Status::OK();
}
std::string reason = "Connect failed!";
connected_ = false;
return Status(StatusCode::NotConnected, reason);
}
Status
ClientProxy::Connect(const std::string& uri) {
if (!UriCheck(uri)) {
return Status(StatusCode::InvalidAgument, "Invalid uri");
}
size_t index = uri.find_first_of(':', 0);
ConnectParam param;
param.ip_address = uri.substr(0, index);
param.port = uri.substr(index + 1);
return Connect(param);
}
Status
ClientProxy::Connected() const {
try {
std::string info;
return client_ptr_->Cmd("", info);
} catch (std::exception& ex) {
return Status(StatusCode::NotConnected, "Connection lost: " + std::string(ex.what()));
}
}
Status
ClientProxy::Disconnect() {
try {
Status status = client_ptr_->Disconnect();
connected_ = false;
channel_.reset();
return status;
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to disconnect: " + std::string(ex.what()));
}
}
Status
ClientProxy::CreateCollection(const Mapping& mapping, const std::string& extra_params) {
try {
::milvus::grpc::Mapping grpc_mapping;
grpc_mapping.set_collection_name(mapping.collection_name);
for (auto& field : mapping.fields) {
auto grpc_field = grpc_mapping.mutable_schema()->add_field_metas();
grpc_field->set_field_name(field->field_name);
grpc_field->set_type((::milvus::grpc::DataType)field->field_type);
grpc_field->set_dim(field->dim);
}
auto grpc_param = grpc_mapping.add_extra_params();
grpc_param->set_key(EXTRA_PARAM_KEY);
grpc_param->set_value(extra_params);
return client_ptr_->CreateCollection(grpc_mapping);
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to create collection: " + std::string(ex.what()));
}
return Status::OK();
}
Status
ClientProxy::DropCollection(const std::string& collection_name) {
try {
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// return client_ptr_->DropCollection(grpc_collection_name);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to drop collection: " + std::string(ex.what()));
}
}
bool
ClientProxy::HasCollection(const std::string& collection_name) {
try {
// Status status = Status::OK();
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// return client_ptr_->HasCollection(grpc_collection_name, status);
return true;
} catch (std::exception& ex) {
return false;
}
}
Status
ClientProxy::ListCollections(std::vector<std::string>& collection_array) {
try {
// Status status;
// milvus::grpc::CollectionNameList collection_name_list;
// status = client_ptr_->ListCollections(collection_name_list);
//
// collection_array.resize(collection_name_list.collection_names_size());
// for (uint64_t i = 0; i < collection_name_list.collection_names_size(); ++i) {
// collection_array[i] = collection_name_list.collection_names(i);
// }
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to list collections: " + std::string(ex.what()));
}
}
Status
ClientProxy::GetCollectionInfo(const std::string& collection_name, Mapping& mapping) {
try {
::milvus::grpc::Mapping grpc_mapping;
Status status = client_ptr_->GetCollectionInfo(collection_name, grpc_mapping);
mapping.collection_name = collection_name;
for (int64_t i = 0; i < grpc_mapping.schema().field_metas().size(); i++) {
auto grpc_field = grpc_mapping.schema().field_metas()[i];
FieldPtr field_ptr = std::make_shared<Field>();
field_ptr->field_name = grpc_field.field_name();
field_ptr->field_type = (DataType)grpc_field.type();
field_ptr->dim = grpc_field.dim();
mapping.fields.emplace_back(field_ptr);
}
return status;
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to get collection info: " + std::string(ex.what()));
}
}
Status
ClientProxy::GetCollectionStats(const std::string& collection_name, std::string& collection_stats) {
try {
// Status status;
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// milvus::grpc::CollectionInfo grpc_collection_stats;
// status = client_ptr_->GetCollectionStats(grpc_collection_name, grpc_collection_stats);
//
// collection_stats = grpc_collection_stats.json_info();
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to get collection stats: " + std::string(ex.what()));
}
}
Status
ClientProxy::CountEntities(const std::string& collection_name, int64_t& row_count) {
try {
// Status status;
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// row_count = client_ptr_->CountEntities(grpc_collection_name, status);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to count collection: " + std::string(ex.what()));
}
}
Status
ClientProxy::CreatePartition(const PartitionParam& partition_param) {
try {
// ::milvus::grpc::PartitionParam grpc_partition_param;
// grpc_partition_param.set_collection_name(partition_param.collection_name);
// grpc_partition_param.set_tag(partition_param.partition_tag);
// Status status = client_ptr_->CreatePartition(grpc_partition_param);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to create partition: " + std::string(ex.what()));
}
}
Status
ClientProxy::DropPartition(const PartitionParam& partition_param) {
try {
// ::milvus::grpc::PartitionParam grpc_partition_param;
// grpc_partition_param.set_collection_name(partition_param.collection_name);
// grpc_partition_param.set_tag(partition_param.partition_tag);
// Status status = client_ptr_->DropPartition(grpc_partition_param);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to drop partition: " + std::string(ex.what()));
}
}
bool
ClientProxy::HasPartition(const std::string& collection_name, const std::string& partition_tag) const {
try {
Status status = Status::OK();
// ::milvus::grpc::PartitionParam grpc_partition_param;
// grpc_partition_param.set_collection_name(collection_name);
// grpc_partition_param.set_tag(partition_tag);
return true;
} catch (std::exception& ex) {
return false;
}
}
Status
ClientProxy::ListPartitions(const std::string& collection_name, PartitionTagList& partition_tag_array) const {
try {
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// ::milvus::grpc::PartitionList grpc_partition_list;
// Status status = client_ptr_->ListPartitions(grpc_collection_name, grpc_partition_list);
// partition_tag_array.resize(grpc_partition_list.partition_tag_array_size());
// for (uint64_t i = 0; i < grpc_partition_list.partition_tag_array_size(); ++i) {
// partition_tag_array[i] = grpc_partition_list.partition_tag_array(i);
// }
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to show partitions: " + std::string(ex.what()));
}
}
Status
ClientProxy::CreateIndex(const IndexParam& index_param) {
try {
::milvus::grpc::IndexParam grpc_index_param;
// grpc_index_param.set_collection_name(index_param.collection_name);
// grpc_index_param.set_field_name(index_param.field_name);
// JSON json_param = JSON::parse(index_param.index_params);
// for (auto& item : json_param.items()) {
// milvus::grpc::KeyValuePair* kv = grpc_index_param.add_extra_params();
// kv->set_key(item.key());
// if (item.value().is_object()) {
// kv->set_value(item.value().dump());
// } else {
// kv->set_value(item.value());
// }
// }
return client_ptr_->CreateIndex(grpc_index_param);
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to build index: " + std::string(ex.what()));
}
}
Status
ClientProxy::DropIndex(const std::string& collection_name, const std::string& field_name,
const std::string& index_name) const {
try {
// ::milvus::grpc::IndexParam grpc_index_param;
// grpc_index_param.set_collection_name(collection_name);
// grpc_index_param.set_field_name(field_name);
// grpc_index_param.set_index_name(index_name);
// Status status = client_ptr_->DropIndex(grpc_index_param);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to drop index: " + std::string(ex.what()));
}
}
Status
ClientProxy::Insert(const std::string& collection_name, const std::string& partition_tag, const FieldValue& field_value,
std::vector<int64_t>& id_array) {
Status status = Status::OK();
try {
::milvus::grpc::InsertParam insert_param;
insert_param.set_collection_name(collection_name);
insert_param.set_partition_tag(partition_tag);
CopyFieldValue(field_value, insert_param);
// Single thread
::milvus::grpc::EntityIds entity_ids;
if (!id_array.empty()) {
/* set user's ids */
auto row_ids = insert_param.mutable_entity_id_array();
row_ids->Resize(static_cast<int>(id_array.size()), -1);
memcpy(row_ids->mutable_data(), id_array.data(), id_array.size() * sizeof(int64_t));
status = client_ptr_->Insert(insert_param, entity_ids);
} else {
status = client_ptr_->Insert(insert_param, entity_ids);
/* return Milvus generated ids back to user */
id_array.insert(id_array.end(), entity_ids.entity_id_array().begin(), entity_ids.entity_id_array().end());
}
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to add entities: " + std::string(ex.what()));
}
return status;
}
Status
ClientProxy::GetEntityByID(const std::string& collection_name, const std::vector<int64_t>& id_array,
std::string& entities) {
try {
::milvus::grpc::EntityIdentity entity_identity;
entity_identity.set_collection_name(collection_name);
for (auto id : id_array) {
entity_identity.add_id_array(id);
}
::milvus::grpc::Entities grpc_entities;
Status status = client_ptr_->GetEntityByID(entity_identity, grpc_entities);
if (!status.ok()) {
return status;
}
Mapping schema;
GetCollectionInfo(collection_name,schema);
JSON json_entities;
CopyEntityToJson(grpc_entities, json_entities, schema);
entities = json_entities.dump();
return status;
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to get entity by id: " + std::string(ex.what()));
}
}
Status
ClientProxy::DeleteEntityByID(const std::string& collection_name, const std::vector<int64_t>& id_array) {
try {
::milvus::grpc::DeleteByIDParam delete_by_id_param;
delete_by_id_param.set_collection_name(collection_name);
for (auto id : id_array) {
delete_by_id_param.add_id_array(id);
}
return client_ptr_->DeleteEntityByID(delete_by_id_param);
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to delete entity id: " + std::string(ex.what()));
}
}
Status
ClientProxy::Search(const std::string& collection_name, const std::vector<std::string>& partition_list,
const std::string& dsl, const VectorParam& vector_param, TopKQueryResult& query_result) {
try {
::milvus::grpc::SearchParam search_param;
search_param.set_collection_name(collection_name);
for (auto partition : partition_list) {
auto value = search_param.add_partition_tag();
*value = partition;
}
search_param.set_dsl(dsl);
auto grpc_vector_param = search_param.add_vector_param();
grpc_vector_param->set_json(vector_param.json_param);
auto grpc_vector_record = grpc_vector_param->mutable_row_record();
for (auto& vector_data : vector_param.vector_records) {
auto row_record = grpc_vector_record->add_records();
CopyRowRecord(row_record, vector_data);
}
::milvus::grpc::QueryResult grpc_result;
Status status = client_ptr_->Search(search_param, grpc_result);
ConstructTopkQueryResult(grpc_result, query_result);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to search entities: " + std::string(ex.what()));
}
}
Status
ClientProxy::ListIDInSegment(const std::string& collection_name, const std::string& segment_name,
std::vector<int64_t>& id_array) {
try {
// ::milvus::grpc::GetEntityIDsParam param;
// param.set_collection_name(collection_name);
// param.set_segment_name(segment_name);
//
// ::milvus::grpc::EntityIds entity_ids;
// Status status = client_ptr_->ListIDInSegment(param, entity_ids);
// if (!status.ok()) {
// return status;
// }
// id_array.insert(id_array.end(), entity_ids.entity_id_array().begin(), entity_ids.entity_id_array().end());
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to get ids from segment: " + std::string(ex.what()));
}
}
Status
ClientProxy::LoadCollection(const std::string& collection_name) const {
try {
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// Status status = client_ptr_->LoadCollection(grpc_collection_name);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to preload collection: " + std::string(ex.what()));
}
}
Status
ClientProxy::Flush(const std::vector<std::string>& collection_name_array) {
try {
// if (collection_name_array.empty()) {
// return client_ptr_->Flush("");
// } else {
// for (auto& collection_name : collection_name_array) {
// client_ptr_->Flush(collection_name);
// }
// }
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to flush collection");
}
}
Status
ClientProxy::Compact(const std::string& collection_name) {
try {
// ::milvus::grpc::CollectionName grpc_collection_name;
// grpc_collection_name.set_collection_name(collection_name);
// Status status = client_ptr_->Compact(grpc_collection_name);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to compact collection: " + std::string(ex.what()));
}
}
/*******************************New Interface**********************************/
void
WriteQueryToProto(::milvus::grpc::GeneralQuery* general_query, BooleanQueryPtr boolean_query) {
// if (!boolean_query->GetBooleanQueries().empty()) {
// for (auto query : boolean_query->GetBooleanQueries()) {
// auto grpc_boolean_query = general_query->mutable_boolean_query();
// grpc_boolean_query->set_occur((::milvus::grpc::Occur)query->GetOccur());
//
// for (auto leaf_query : query->GetLeafQueries()) {
// auto grpc_query = grpc_boolean_query->add_general_query();
// if (leaf_query->term_query_ptr != nullptr) {
// auto term_query = grpc_query->mutable_term_query();
// term_query->set_field_name(leaf_query->term_query_ptr->field_name);
// term_query->set_boost(leaf_query->query_boost);
// if (leaf_query->term_query_ptr->int_value.size() > 0) {
// auto mutable_int_value = term_query->mutable_int_value();
// auto size = leaf_query->term_query_ptr->int_value.size();
// mutable_int_value->Resize(size, 0);
// memcpy(mutable_int_value->mutable_data(), leaf_query->term_query_ptr->int_value.data(),
// size * sizeof(int64_t));
// } else if (leaf_query->term_query_ptr->double_value.size() > 0) {
// auto mutable_double_value = term_query->mutable_double_value();
// auto size = leaf_query->term_query_ptr->double_value.size();
// mutable_double_value->Resize(size, 0);
// memcpy(mutable_double_value->mutable_data(), leaf_query->term_query_ptr->double_value.data(),
// size * sizeof(double));
// }
// }
// if (leaf_query->range_query_ptr != nullptr) {
// auto range_query = grpc_query->mutable_range_query();
// range_query->set_boost(leaf_query->query_boost);
// range_query->set_field_name(leaf_query->range_query_ptr->field_name);
// for (auto com_expr : leaf_query->range_query_ptr->compare_expr) {
// auto grpc_com_expr = range_query->add_operand();
// grpc_com_expr->set_operand(com_expr.operand);
// grpc_com_expr->set_operator_((milvus::grpc::CompareOperator)com_expr.compare_operator);
// }
// }
// if (leaf_query->vector_query_ptr != nullptr) {
// auto vector_query = grpc_query->mutable_vector_query();
// vector_query->set_field_name(leaf_query->vector_query_ptr->field_name);
// vector_query->set_query_boost(leaf_query->query_boost);
// vector_query->set_topk(leaf_query->vector_query_ptr->topk);
// for (auto record : leaf_query->vector_query_ptr->query_vector) {
// ::milvus::grpc::VectorRowRecord* row_record = vector_query->add_records();
// CopyRowRecord(row_record, record);
// }
// auto extra_param = vector_query->add_extra_params();
// extra_param->set_key(EXTRA_PARAM_KEY);
// extra_param->set_value(leaf_query->vector_query_ptr->extra_params);
// }
// }
//
// if (!query->GetBooleanQueries().empty()) {
// ::milvus::grpc::GeneralQuery* next_query = grpc_boolean_query->add_general_query();
// WriteQueryToProto(next_query, query);
// }
// }
// }
}
Status
ClientProxy::SearchPB(const std::string& collection_name, const std::vector<std::string>& partition_list,
BooleanQueryPtr& boolean_query, const std::string& extra_params,
TopKQueryResult& topk_query_result) {
try {
// convert boolean_query to proto
// ::milvus::grpc::SearchParamPB search_param;
// search_param.set_collection_name(collection_name);
// for (auto partition : partition_list) {
// auto value = search_param.add_partition_tag_array();
// *value = partition;
// }
// if (extra_params.size() > 0) {
// auto extra_param = search_param.add_extra_params();
// extra_param->set_key("params");
// extra_param->set_value(extra_params);
// }
// WriteQueryToProto(search_param.mutable_general_query(), boolean_query);
//
// // step 2: search vectors
// ::milvus::grpc::QueryResult result;
// Status status = client_ptr_->SearchPB(search_param, result);
//
// // step 3: convert result array
// ConstructTopkQueryResult(result, topk_query_result);
return Status::OK();
} catch (std::exception& ex) {
return Status(StatusCode::UnknownError, "Failed to search entities: " + std::string(ex.what()));
}
}
} // namespace milvus
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