Merge branch 'branch-0.5.0' into fix_thermal_bug

Former-commit-id: cf72cc68bba0ccabd4075ec4b81e01e9589d93e7

cpp/README.md

@@ -105,13 +105,20 @@ please reinstall CMake with curl:
    ```
 
 ##### code format and linting
-
+Install clang-format and clang-tidy
 ```shell
 CentOS 7:   
 $ yum install clang
-Ubuntu 16.04 or 18.04: 
-$ sudo apt-get install clang-format clang-tidy
-    
+Ubuntu 16.04: 
+$ sudo apt-get install clang-tidy
+$ wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+$ sudo apt-add-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-6.0 main"
+$ sudo apt-get update
+$ sudo apt-get install clang-format-6.0
+Ubuntu 18.04: 
+$ sudo apt-get install clang-tidy clang-format
+```  
+```shell
 $ ./build.sh -l
 ```
 
@@ -122,13 +129,14 @@ $ ./build.sh -u
 ```
 
 ##### Run code coverage
-
+Install lcov
 ```shell
 CentOS 7:   
 $ yum install lcov
 Ubuntu 16.04 or 18.04: 
 $ sudo apt-get install lcov
-    
+``` 
+```shell  
 $ ./build.sh -u -c
 ```
 

cpp/src/core/knowhere/knowhere/adapter/SptagAdapter.cpp

@@ -76,7 +76,7 @@ ConvertToDataset(std::vector<SPTAG::QueryResult> query_results) {
 
     auto p_id = (int64_t*)malloc(sizeof(int64_t) * elems);
     auto p_dist = (float*)malloc(sizeof(float) * elems);
-// TODO: throw if malloc failed.
+    // TODO: throw if malloc failed.
 
 #pragma omp parallel for
     for (auto i = 0; i < query_results.size(); ++i) {

cpp/src/core/knowhere/knowhere/index/vector_index/IndexGPUIVFPQ.cpp

@@ -15,6 +15,7 @@
 // specific language governing permissions and limitations
 // under the License.
 
+#include <faiss/IndexIVFPQ.h>
 #include <faiss/gpu/GpuAutoTune.h>
 #include <faiss/gpu/GpuIndexIVFPQ.h>
 #include <memory>

cpp/src/db/DBImpl.cpp

@@ -296,7 +296,8 @@ DBImpl::CreateIndex(const std::string& table_id, const TableIndex& index) {
     std::vector<int> file_types;
     if (index.engine_type_ == static_cast<int32_t>(EngineType::FAISS_IDMAP)) {
         file_types = {
-            static_cast<int32_t>(meta::TableFileSchema::NEW), static_cast<int32_t>(meta::TableFileSchema::NEW_MERGE),
+            static_cast<int32_t>(meta::TableFileSchema::NEW),
+            static_cast<int32_t>(meta::TableFileSchema::NEW_MERGE),
         };
     } else {
         file_types = {

cpp/src/db/insert/MemTableFile.cpp

@@ -55,9 +55,9 @@ MemTableFile::CreateTableFile() {
 Status
 MemTableFile::Add(const VectorSourcePtr& source, IDNumbers& vector_ids) {
     if (table_file_schema_.dimension_ <= 0) {
-        std::string err_msg = "MemTableFile::Add: table_file_schema dimension = " +
-                              std::to_string(table_file_schema_.dimension_) + ", table_id = " +
-                              table_file_schema_.table_id_;
+        std::string err_msg =
+            "MemTableFile::Add: table_file_schema dimension = " + std::to_string(table_file_schema_.dimension_) +
+            ", table_id = " + table_file_schema_.table_id_;
         ENGINE_LOG_ERROR << err_msg;
         return Status(DB_ERROR, "Not able to create table file");
     }

cpp/src/db/meta/MySQLMetaImpl.cpp

@@ -148,15 +148,18 @@ static const MetaSchema TABLES_SCHEMA(META_TABLES, {
                                                    });
 
 // TableFiles schema
-static const MetaSchema TABLEFILES_SCHEMA(
-    META_TABLEFILES,
-    {
-        MetaField("id", "BIGINT", "PRIMARY KEY AUTO_INCREMENT"), MetaField("table_id", "VARCHAR(255)", "NOT NULL"),
-        MetaField("engine_type", "INT", "DEFAULT 1 NOT NULL"), MetaField("file_id", "VARCHAR(255)", "NOT NULL"),
-        MetaField("file_type", "INT", "DEFAULT 0 NOT NULL"), MetaField("file_size", "BIGINT", "DEFAULT 0 NOT NULL"),
-        MetaField("row_count", "BIGINT", "DEFAULT 0 NOT NULL"), MetaField("updated_time", "BIGINT", "NOT NULL"),
-        MetaField("created_on", "BIGINT", "NOT NULL"), MetaField("date", "INT", "DEFAULT -1 NOT NULL"),
-    });
+static const MetaSchema TABLEFILES_SCHEMA(META_TABLEFILES, {
+                                                               MetaField("id", "BIGINT", "PRIMARY KEY AUTO_INCREMENT"),
+                                                               MetaField("table_id", "VARCHAR(255)", "NOT NULL"),
+                                                               MetaField("engine_type", "INT", "DEFAULT 1 NOT NULL"),
+                                                               MetaField("file_id", "VARCHAR(255)", "NOT NULL"),
+                                                               MetaField("file_type", "INT", "DEFAULT 0 NOT NULL"),
+                                                               MetaField("file_size", "BIGINT", "DEFAULT 0 NOT NULL"),
+                                                               MetaField("row_count", "BIGINT", "DEFAULT 0 NOT NULL"),
+                                                               MetaField("updated_time", "BIGINT", "NOT NULL"),
+                                                               MetaField("created_on", "BIGINT", "NOT NULL"),
+                                                               MetaField("date", "INT", "DEFAULT -1 NOT NULL"),
+                                                           });
 
 }  // namespace
 

cpp/src/scheduler/task/SearchTask.cpp

@@ -157,8 +157,8 @@ XSearchTask::Load(LoadType type, uint8_t device_id) {
 
     size_t file_size = index_engine_->PhysicalSize();
 
-    std::string info = "Load file id:" + std::to_string(file_->id_) + " file type:" +
-                       std::to_string(file_->file_type_) + " size:" + std::to_string(file_size) +
+    std::string info = "Load file id:" + std::to_string(file_->id_) +
+                       " file type:" + std::to_string(file_->file_type_) + " size:" + std::to_string(file_size) +
                        " bytes from location: " + file_->location_ + " totally cost";
     double span = rc.ElapseFromBegin(info);
     //    for (auto &context : search_contexts_) {

cpp/src/server/grpc_impl/GrpcRequestTask.cpp

@@ -511,8 +511,8 @@ InsertTask::OnExecute() {
         }
 
         // step 6: update table flag
-        user_provide_ids ? table_info.flag_ |= engine::meta::FLAG_MASK_HAS_USERID : table_info.flag_ |=
-                                                                                    engine::meta::FLAG_MASK_NO_USERID;
+        user_provide_ids ? table_info.flag_ |= engine::meta::FLAG_MASK_HAS_USERID
+                         : table_info.flag_ |= engine::meta::FLAG_MASK_NO_USERID;
         status = DBWrapper::DB()->UpdateTableFlag(insert_param_->table_name(), table_info.flag_);
 
 #ifdef MILVUS_ENABLE_PROFILING