/*
Copyright ( c ) 2026 , MariaDB Foundation .
Copyright ( c ) 2026 , Roman Nozdrin < drrtuy @ gmail . com >
Copyright ( c ) 2026 , Leonid Fedorov .
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation ; version 2 of the License .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
You should have received a copy of the GNU General Public License
along with this program ; if not , write to the Free Software
Foundation , Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1335 USA
*/
#pragma once
#include "duckdb.hpp"
#include "duckdb/common/types.hpp"
#include "duckdb/main/appender.hpp"
#include "duckdb/main/connection.hpp"
#include "duckdb/main/table_description.hpp"
namespace myduck
{
constexpr char DUCKDB_FILE_NAME[]= "duckdb.db" ;
constexpr char DUCKDB_DEFAULT_TMP_NAME[]= "duckdb_tmp" ;
class DuckdbManager
{
public :
DuckdbManager(const DuckdbManager &)= delete ;
DuckdbManager &operator =(const DuckdbManager &)= delete ;
static bool CreateInstance();
static void Cleanup();
static inline DuckdbManager &Get();
static std::shared_ptr<duckdb::Connection> CreateConnection();
private :
static DuckdbManager *m_instance;
DuckdbManager();
~DuckdbManager();
bool Initialize();
duckdb::DuckDB *m_database= nullptr;
std::mutex m_mutex;
};
} // namespace myduck
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-08)
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