QSQLOLEDB/qsqloledb.h at main · wrizen/QSQLOLEDB · GitHub

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/****************************************************************************
** QSQLOLEDB - Qt OLE DB Driver Plugin for Microsoft SQL Server
**
** Copyright (c) 2025 qsqloledb contributors
** Licensed under the MIT License. See LICENSE file for details.
****************************************************************************/
#ifndef QSQLOLEDB_H
#define QSQLOLEDB_H

#ifdef QSQLOLEDB_LIB
# define QSQLOLEDB_EXPORT Q_DECL_EXPORT
#else
# define QSQLOLEDB_EXPORT Q_DECL_IMPORT
#endif

class QSqlOLEDBDriver;
class QSqlOLEDBResultPrivate;
class QSqlOLEDBDriverPrivate;

struct RealConnectResult
{
	QSqlError error;
	CComPtr<IDBInitialize> spInit;
	HRESULT res;
};

class QSQLOLEDB_EXPORT QSqlOLEDBResult : public QSqlResult
{
	friend class QSqlOLEDBDriver;

public:
	explicit QSqlOLEDBResult(const QSqlOLEDBDriver* db, QSqlOLEDBDriverPrivate* p);
	virtual ~QSqlOLEDBResult();

	QVariant handle() const;
	bool exec();
	bool prepare(const QString& query);
	QSqlRecord record() const;
	QVariant lastInsertId() const;

protected:
	bool reset(const QString& query);
	bool fetch(int i);
	bool fetchFirst();
	bool fetchLast();
	bool fetchNext();
	bool fetchPrevious();
	QVariant data(int field);
	bool isNull(int field);
	int size();
	int numRowsAffected();
	void virtual_hook(int id, void *data);

private:
	QSqlOLEDBResultPrivate* d;
	QSqlOLEDBDriverPrivate* oldebd;
};

class QSQLOLEDB_EXPORT QSqlOLEDBDriver : public QSqlDriver
{
	Q_OBJECT

public:
	explicit QSqlOLEDBDriver(QObject *parent = 0);
	virtual ~QSqlOLEDBDriver();

	bool hasFeature(DriverFeature f) const;
	bool open(const QString &db, const QString &user, const QString &password,
	          const QString &host, int port, const QString &connOpts);
	void close();
	QSqlResult *createResult() const;

	bool beginTransaction();
	bool commitTransaction();
	bool rollbackTransaction();

	QStringList tables(QSql::TableType) const;
	QSqlRecord record(const QString& tablename) const;
	QSqlIndex primaryIndex(const QString &table) const;
	QVariant handle() const;
	QString escapeIdentifier(const QString &identifier, IdentifierType) const;
	QString formatValue(const QSqlField &field, bool trimStrings) const;

protected:
	RealConnectResult realConnect(const QString &db, const QString &user,
	                              const QString &password, const QString &host,
	                              const QString &provider);

private:
	QSqlOLEDBDriverPrivate* d;
};

#endif // QSQLOLEDB_H