ISQLDriver.h

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//
//
 
#ifndef _INC_ISQLDriver_H
#define _INC_ISQLDriver_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cSQLConfig.h"
#include "../Variant/cVariant.h"
#include "GrayCore/include/cFilePath.h"
#include "GrayCore/include/cIUnkPtr.h"
 
namespace GrayLib
{
        class cSQLCmd;
 
        DECLARE_INTERFACE_(ISQLBase, IUnknown)
        {
 
                virtual HRESULT FillException(cSQLException* pEx) = 0;
        };
 
        DECLARE_INTERFACE_(ISQLStatement, ISQLBase)
        {
 
                virtual HRESULT CloseStatement(bool bDrop) = 0;
                virtual HRESULT ExecuteAndFetch(bool bResultsExpected) = 0;
                virtual void ExecCancel() = 0;
                virtual HRESULT FetchNext(bool bMore = false) = 0;
                virtual ITERATE_t ReadColumnCount() = 0;
                virtual bool ReadColumnInfo(SQL_COLUMN_t iColumn, OUT cSQLColumnInfo& colInfo) = 0;
                virtual bool GetColumnVar(SQL_COLUMN_t iColumn, cSQLColumnInfo* pColInfo, OUT cVariant& vValRet) = 0;
        };
 
        DECLARE_INTERFACE_(ISQLDatabase, ISQLBase)
        {
                virtual HRESULT OpenConnect(const cSQLConnectionString& rConnectionString, INT_PTR hParentWnd) = 0;
                virtual bool Disconnect() = 0;
                virtual HRESULT ReadConfigDB(OUT cSQLConfigDB& cfg) = 0;
                virtual HRESULT EndTransaction(bool bCommit) = 0;
                virtual ISQLStatement* AllocISQLStatement(const cSQLCmd& oCmd) = 0;
        };
 
        DECLARE_INTERFACE_(ISQLDriver, ISQLBase)
        {
                virtual ISQLDatabase* AllocISQLDatabase(const cSQLConnectionString& rConnectionString) = 0;
        };
 
}
 
#endif