milvus/cpp/src/db/DBMetaImpl.h
jinhai 5740985e0e Merge branch 'branch-0.3.1-xiaojun' into branch-0.4.0
Former-commit-id: a4c620656251f284789bead020c70a8fd64b4143
2019-07-28 09:30:31 +08:00

111 lines
2.8 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 <mutex>
namespace zilliz {
namespace milvus {
namespace engine {
namespace meta {
auto StoragePrototype(const std::string &path);
class DBMetaImpl : public Meta {
public:
explicit DBMetaImpl(const DBMetaOptions &options_);
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
UpdateTableFilesToIndex(const std::string &table_id) override;
Status
UpdateTableFile(TableFileSchema &file_schema) override;
Status
UpdateTableFiles(TableFilesSchema &files) override;
Status
FilesToSearch(const std::string &table_id, const DatesT &partition, DatePartionedTableFilesSchema &files) override;
Status FilesToSearch(const std::string &table_id,
const std::vector<size_t> &ids,
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;
~DBMetaImpl() override;
private:
Status NextFileId(std::string &file_id);
Status NextTableId(std::string &table_id);
Status DiscardFiles(long to_discard_size);
Status Initialize();
const DBMetaOptions options_;
std::mutex meta_mutex_;
}; // DBMetaImpl
} // namespace meta
} // namespace engine
} // namespace milvus
} // namespace zilliz