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121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include "Meta.h"
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#include "db/Options.h"
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#include "MySQLConnectionPool.h"
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#include "mysql++/mysql++.h"
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#include <mutex>
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namespace zilliz {
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namespace milvus {
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namespace engine {
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namespace meta {
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// auto StoragePrototype(const std::string& path);
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using namespace mysqlpp;
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class MySQLMetaImpl : public Meta {
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public:
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MySQLMetaImpl(const DBMetaOptions &options_, const int &mode);
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~MySQLMetaImpl();
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Status CreateTable(TableSchema &table_schema) override;
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Status DescribeTable(TableSchema &group_info_) override;
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Status HasTable(const std::string &table_id, bool &has_or_not) override;
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Status AllTables(std::vector<TableSchema> &table_schema_array) override;
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Status DeleteTable(const std::string &table_id) override;
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Status DeleteTableFiles(const std::string &table_id) override;
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Status CreateTableFile(TableFileSchema &file_schema) override;
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Status DropPartitionsByDates(const std::string &table_id,
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const DatesT &dates) override;
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Status GetTableFiles(const std::string &table_id,
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const std::vector<size_t> &ids,
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TableFilesSchema &table_files) override;
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Status FilesByType(const std::string &table_id,
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const std::vector<int> &file_types,
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std::vector<std::string> &file_ids) override;
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Status UpdateTableIndex(const std::string &table_id, const TableIndex& index) override;
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Status UpdateTableFlag(const std::string &table_id, int64_t flag) override;
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Status DescribeTableIndex(const std::string &table_id, TableIndex& index) override;
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Status DropTableIndex(const std::string &table_id) override;
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Status UpdateTableFile(TableFileSchema &file_schema) override;
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Status UpdateTableFilesToIndex(const std::string &table_id) override;
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Status UpdateTableFiles(TableFilesSchema &files) override;
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Status FilesToSearch(const std::string &table_id,
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const std::vector<size_t> &ids,
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const DatesT &partition,
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DatePartionedTableFilesSchema &files) override;
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Status FilesToMerge(const std::string &table_id,
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DatePartionedTableFilesSchema &files) override;
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Status FilesToIndex(TableFilesSchema &) override;
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Status Archive() override;
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Status Size(uint64_t &result) override;
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Status CleanUp() override;
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Status CleanUpFilesWithTTL(uint16_t seconds) override;
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Status DropAll() override;
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Status Count(const std::string &table_id, uint64_t &result) override;
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private:
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Status NextFileId(std::string &file_id);
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Status NextTableId(std::string &table_id);
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Status DiscardFiles(long long to_discard_size);
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Status Initialize();
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const DBMetaOptions options_;
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const int mode_;
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std::shared_ptr<MySQLConnectionPool> mysql_connection_pool_;
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bool safe_grab = false;
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// std::mutex connectionMutex_;
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}; // DBMetaImpl
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} // namespace meta
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} // namespace engine
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} // namespace milvus
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} // namespace zilliz
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