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/*!
* \file mg_db_gd_mysql.h
* \brief A capsule around giantdisc database access
*
* \version $Revision: 1.2 $
* \date $Date: 2005-04-13 17:42:54 +0100 (Thu, 13 Apr 2005) $
* \author Wolfgang Rohdewald
* \author Responsible author: $Author: wolfgang61 $
*/
#ifndef __MG_DB_GD_H
#define __MG_DB_GD_H
#include <string>
#include <tag.h>
#include <map>
#include <libpq-fe.h>
using namespace std;
#include "mg_db.h"
class mgDbServerPG : public mgDbServerImp
{
};
class mgSQLStringPG : public mgSQLStringImp
{
public:
mgSQLStringPG(const char* s);
~mgSQLStringPG();
char *unquoted() const;
private:
mutable char* m_unquoted;
};
class mgQueryPG : public mgQueryImp
{
public:
mgQueryPG(void* db,string sql,mgQueryNoise noise);
~mgQueryPG();
char ** Next();
private:
PGresult *m_table;
PGconn *m_db;
char *m_rowpointers[100];
};
class mgDbGd : public mgDb
{
public:
mgDbGd (bool SeparateThread=false);
~mgDbGd();
bool ServerConnect();
bool ConnectDatabase();
bool Creatable();
bool Create();
bool Clear();
bool NeedGenre2();
long thread_id() { return -1; }
bool FieldExists(string table, string field);
bool Threadsafe();
const char* Options() const;
const char* HelpText() const;
const char *DecadeExpr();
string Now() const { return "CURRENT_TIMESTAMP";}
string Directory() const { return "substring(tracks.mp3file from '.*/(.*)')"; }
protected:
void StartTransaction();
void Commit();
void *ImplDbHandle() const { return (void*)m_db;}
private:
bool myCreate();
PGconn *m_db;
bool SetCharset();
};
#endif
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