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azerothcore-wotlk/src/common/Database/QueryResult.h

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/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#ifndef QUERYRESULT_H
#define QUERYRESULT_H
#include <ace/Thread_Mutex.h>
#include "Errors.h"
#include "Field.h"
#ifdef _WIN32
#include <winsock2.h>
#endif
#include <mysql.h>
#if !defined(MARIADB_VERSION_ID) && MYSQL_VERSION_ID >= 80001
typedef bool my_bool;
#endif
class ResultSet
{
public:
ResultSet(MYSQL_RES* result, MYSQL_FIELD* fields, uint64 rowCount, uint32 fieldCount);
~ResultSet();
bool NextRow();
[[nodiscard]] uint64 GetRowCount() const { return _rowCount; }
[[nodiscard]] uint32 GetFieldCount() const { return _fieldCount; }
#ifdef ELUNA
std::string GetFieldName(uint32 index) const;
#endif
[[nodiscard]] Field* Fetch() const { return _currentRow; }
const Field& operator [] (uint32 index) const
{
ASSERT(index < _fieldCount);
return _currentRow[index];
}
protected:
uint64 _rowCount;
Field* _currentRow;
uint32 _fieldCount;
private:
void CleanUp();
MYSQL_RES* _result;
MYSQL_FIELD* _fields;
};
typedef std::shared_ptr<ResultSet> QueryResult;
class PreparedResultSet
{
public:
PreparedResultSet(MYSQL_STMT* stmt, MYSQL_RES* result, uint64 rowCount, uint32 fieldCount);
~PreparedResultSet();
bool NextRow();
[[nodiscard]] uint64 GetRowCount() const { return m_rowCount; }
[[nodiscard]] uint32 GetFieldCount() const { return m_fieldCount; }
[[nodiscard]] Field* Fetch() const
{
ASSERT(m_rowPosition < m_rowCount);
return m_rows[uint32(m_rowPosition)];
}
const Field& operator [] (uint32 index) const
{
ASSERT(m_rowPosition < m_rowCount);
ASSERT(index < m_fieldCount);
return m_rows[uint32(m_rowPosition)][index];
}
protected:
std::vector<Field*> m_rows;
uint64 m_rowCount;
uint64 m_rowPosition;
uint32 m_fieldCount;
private:
MYSQL_BIND* m_rBind;
MYSQL_STMT* m_stmt;
MYSQL_RES* m_res;
my_bool* m_isNull;
unsigned long* m_length;
void FreeBindBuffer();
void CleanUp();
bool _NextRow();
};
typedef std::shared_ptr<PreparedResultSet> PreparedQueryResult;
#endif