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/* mresults.cpp
*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2018 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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 02110-1301 USA
*
*
*/
#include "headers.h"
#include "asserts.h"
#include "session.h"
#include "command.h"
#include "mresults.h"
/**********************************************************************/
/* CMultipleResults */
void
CMultipleResults::Delete()
{
if (m_pCommandHandler != NULL)
{
m_pCommandHandler->MultipleResultsCloseNotify();
}
if (m_pUnkFTM != NULL)
{
m_pUnkFTM->Release();
m_pUnkFTM = NULL;
}
}
HRESULT
CMultipleResults::GetInterface(REFIID riid, IUnknown** ppUnknown)
{
LOGCALL (("CMultipleResults::GetInterface(%s)\n", STRINGFROMGUID (riid)));
IUnknown* pUnknown = NULL;
if (riid == IID_IMultipleResults)
pUnknown = static_cast<IMultipleResults*>(this);
else if (riid == IID_ISupportErrorInfo)
pUnknown = static_cast<ISupportErrorInfo*>(this);
else if (riid == IID_IMarshal)
{
CriticalSection critical_section(this);
if (m_pUnkFTM == NULL)
CoCreateFreeThreadedMarshaler(GetControllingUnknown(), &m_pUnkFTM);
if (m_pUnkFTM != NULL)
return m_pUnkFTM->QueryInterface(riid, (void**) ppUnknown);
}
if (pUnknown == NULL)
return E_NOINTERFACE;
*ppUnknown = pUnknown;
return S_OK;
}
const IID**
CMultipleResults::GetSupportErrorInfoIIDs()
{
static const IID* rgpIIDs[] =
{
&IID_IMultipleResults,
NULL
};
return rgpIIDs;
}
/**********************************************************************/
/* IMultipleResults */
STDMETHODIMP
CMultipleResults::GetResult
(
IUnknown* pUnkOuter,
DBRESULTFLAG lResultFlag,
REFIID riid,
DBROWCOUNT* pcRowsAffected,
IUnknown** ppRowset
)
{
LOGCALL(("CMultipleResults::GetResult()\n"));
ErrorCheck error(IID_IMultipleResults, DISPID_IMultipleResults_GetResult);
if (pcRowsAffected != NULL)
*pcRowsAffected = DB_COUNTUNAVAILABLE;
if (ppRowset != NULL)
*ppRowset = NULL;
if (pUnkOuter != NULL && riid != IID_IUnknown)
return ErrorInfo::Set(DB_E_NOAGGREGATION);
if (lResultFlag != DBRESULTFLAG_DEFAULT && lResultFlag != DBRESULTFLAG_ROWSET)
return ErrorInfo::Set(E_INVALIDARG);
#if 0
if (riid != IID_NULL && ppRowset == NULL)
return ErrorInfo::Set(E_INVALIDARG);
#endif
return m_pCommandHandler->GetResult(pUnkOuter, riid, pcRowsAffected, ppRowset);
}
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