milvus/cpp/src/db/MySQLMetaImpl.h
jinhai 34ca37d9a0 MS-273 Add some logs and reformat code
Former-commit-id: 5dfd98a0b954d5cc44ae40f6b14ce65a15d76f80
2019-07-24 11:02:22 +08:00

94 lines
2.9 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 "Meta.h"
#include "Options.h"
#include "MySQLConnectionPool.h"
#include "mysql++/mysql++.h"
#include <mutex>
namespace zilliz {
namespace milvus {
namespace engine {
namespace meta {
// auto StoragePrototype(const std::string& path);
using namespace mysqlpp;
class MySQLMetaImpl : public Meta {
public:
MySQLMetaImpl(const DBMetaOptions &options_, const int &mode);
Status CreateTable(TableSchema &table_schema) override;
Status DescribeTable(TableSchema &group_info_) override;
Status HasTable(const std::string &table_id, bool &has_or_not) override;
Status AllTables(std::vector<TableSchema> &table_schema_array) override;
Status DeleteTable(const std::string &table_id) override;
Status DeleteTableFiles(const std::string &table_id) override;
Status CreateTableFile(TableFileSchema &file_schema) override;
Status DropPartitionsByDates(const std::string &table_id,
const DatesT &dates) override;
Status GetTableFiles(const std::string &table_id,
const std::vector<size_t> &ids,
TableFilesSchema &table_files) override;
Status HasNonIndexFiles(const std::string &table_id, bool &has) override;
Status UpdateTableFile(TableFileSchema &file_schema) override;
Status UpdateTableFilesToIndex(const std::string &table_id) override;
Status UpdateTableFiles(TableFilesSchema &files) override;
Status FilesToSearch(const std::string &table_id,
const DatesT &partition,
DatePartionedTableFilesSchema &files) override;
Status FilesToMerge(const std::string &table_id,
DatePartionedTableFilesSchema &files) override;
Status FilesToIndex(TableFilesSchema &) override;
Status Archive() override;
Status Size(uint64_t &result) override;
Status CleanUp() override;
Status CleanUpFilesWithTTL(uint16_t seconds) override;
Status DropAll() override;
Status Count(const std::string &table_id, uint64_t &result) override;
virtual ~MySQLMetaImpl();
private:
Status NextFileId(std::string &file_id);
Status NextTableId(std::string &table_id);
Status DiscardFiles(long long to_discard_size);
Status Initialize();
const DBMetaOptions options_;
const int mode_;
std::shared_ptr<MySQLConnectionPool> mysql_connection_pool_;
bool safe_grab = false;
// std::mutex connectionMutex_;
}; // DBMetaImpl
} // namespace meta
} // namespace engine
} // namespace milvus
} // namespace zilliz