milvus/cpp/src/db/DBImpl.h
groot e050719b2b delete table issue
Former-commit-id: d1a8e64086c11081917058623d344ac3c567a74b
2019-06-20 16:05:44 +08:00

112 lines
3.6 KiB
C++

/*******************************************************************************
* Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
* Unauthorized copying of this file, via any medium is strictly prohibited.
* Proprietary and confidential.
******************************************************************************/
#pragma once
#include "DB.h"
#include "MemManager.h"
#include "Types.h"
#include "utils/ThreadPool.h"
#include <mutex>
#include <condition_variable>
#include <memory>
#include <atomic>
#include <thread>
#include <list>
#include <set>
namespace zilliz {
namespace milvus {
namespace engine {
class Env;
namespace meta {
class Meta;
}
class DBImpl : public DB {
public:
using MetaPtr = meta::Meta::Ptr;
using MemManagerPtr = typename MemManager::Ptr;
DBImpl(const Options& options);
virtual Status CreateTable(meta::TableSchema& table_schema) override;
virtual Status DeleteTable(const std::string& table_id, const meta::DatesT& dates) override;
virtual Status DescribeTable(meta::TableSchema& table_schema) override;
virtual Status HasTable(const std::string& table_id, bool& has_or_not) override;
virtual Status AllTables(std::vector<meta::TableSchema>& table_schema_array) override;
virtual Status GetTableRowCount(const std::string& table_id, uint64_t& row_count) override;
virtual Status InsertVectors(const std::string& table_id,
uint64_t n, const float* vectors, IDNumbers& vector_ids) override;
virtual Status Query(const std::string& table_id, uint64_t k, uint64_t nq,
const float* vectors, QueryResults& results) override;
virtual Status Query(const std::string& table_id, uint64_t k, uint64_t nq,
const float* vectors, const meta::DatesT& dates, QueryResults& results) override;
virtual Status Query(const std::string& table_id, const std::vector<std::string>& file_ids,
uint64_t k, uint64_t nq, const float* vectors,
const meta::DatesT& dates, QueryResults& results) override;
virtual Status DropAll() override;
virtual Status Size(uint64_t& result) override;
virtual ~DBImpl();
private:
Status QuerySync(const std::string& table_id, uint64_t k, uint64_t nq,
const float* vectors, const meta::DatesT& dates, QueryResults& results);
Status QueryAsync(const std::string& table_id, const meta::TableFilesSchema& files,
uint64_t k, uint64_t nq, const float* vectors,
const meta::DatesT& dates, QueryResults& results);
void StartTimerTasks();
void BackgroundTimerTask();
void StartMetricTask();
void StartCompactionTask();
Status MergeFiles(const std::string& table_id,
const meta::DateT& date,
const meta::TableFilesSchema& files);
Status BackgroundMergeFiles(const std::string& table_id);
void BackgroundCompaction(std::set<std::string> table_ids);
void StartBuildIndexTask();
void BackgroundBuildIndex();
Status BuildIndex(const meta::TableFileSchema&);
const Options options_;
Status bg_error_;
std::atomic<bool> shutting_down_;
std::thread bg_timer_thread_;
MetaPtr meta_ptr_;
MemManagerPtr mem_mgr_;
server::ThreadPool compact_thread_pool_;
std::list<std::future<void>> compact_thread_results_;
std::set<std::string> compact_table_ids_;
server::ThreadPool index_thread_pool_;
std::list<std::future<void>> index_thread_results_;
}; // DBImpl
} // namespace engine
} // namespace milvus
} // namespace zilliz