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

79 lines
2.7 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"
namespace zilliz {
namespace milvus {
namespace engine {
namespace meta {
auto StoragePrototype(const std::string& path);
class DBMetaImpl : public Meta {
public:
DBMetaImpl(const DBMetaOptions& options_);
virtual Status CreateTable(TableSchema& table_schema) override;
virtual Status DescribeTable(TableSchema& group_info_) override;
virtual Status HasTable(const std::string& table_id, bool& has_or_not) override;
virtual Status AllTables(std::vector<TableSchema>& table_schema_array) override;
virtual Status DeleteTable(const std::string& table_id) override;
virtual Status DeleteTableFiles(const std::string& table_id) override;
virtual Status CreateTableFile(TableFileSchema& file_schema) override;
virtual Status DropPartitionsByDates(const std::string& table_id,
const DatesT& dates) override;
virtual Status GetTableFile(TableFileSchema& file_schema) override;
virtual Status UpdateTableFile(TableFileSchema& file_schema) override;
virtual Status UpdateTableFiles(TableFilesSchema& files) override;
virtual Status FilesToSearch(const std::string& table_id,
const DatesT& partition,
DatePartionedTableFilesSchema& files) override;
virtual Status FilesToMerge(const std::string& table_id,
DatePartionedTableFilesSchema& files) override;
virtual Status FilesToIndex(TableFilesSchema&) override;
virtual Status Archive() override;
virtual Status Size(uint64_t& result) override;
virtual Status CleanUp() override;
virtual Status CleanUpFilesWithTTL(uint16_t seconds) override;
virtual Status DropAll() override;
virtual Status Count(const std::string& table_id, uint64_t& result) override;
virtual ~DBMetaImpl();
private:
Status NextFileId(std::string& file_id);
Status NextTableId(std::string& table_id);
Status DiscardFiles(long to_discard_size);
std::string GetTablePath(const std::string& table_id);
std::string GetTableDatePartitionPath(const std::string& table_id, DateT& date);
void GetTableFilePath(TableFileSchema& group_file);
Status Initialize();
const DBMetaOptions options_;
}; // DBMetaImpl
} // namespace meta
} // namespace engine
} // namespace milvus
} // namespace zilliz