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/* Copyright (C) 2003 MySQL AB
This program 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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*****************************************************************************
* Name: NdbResultSet.cpp
* Include:
* Link:
* Author: UABMASD Martin Sköld INN/V Alzato
* Date: 2002-04-01
* Version: 0.1
* Description: Cursor class
* Documentation:
* Adjust: 2002-04-01 UABMASD First version.
****************************************************************************/
#include <Ndb.hpp>
#include <NdbConnection.hpp>
#include <NdbResultSet.hpp>
#include <NdbBlob.hpp>
NdbResultSet::NdbResultSet(NdbScanOperation *owner)
: m_operation(owner)
{
}
NdbResultSet::~NdbResultSet()
{
}
void NdbResultSet::init()
{
}
int NdbResultSet::nextResult(bool fetchAllowed)
{
int res;
if ((res = m_operation->nextResult(fetchAllowed)) == 0) {
// handle blobs
NdbBlob* tBlob = m_operation->theBlobList;
while (tBlob != 0) {
if (tBlob->atNextResult() == -1)
return -1;
tBlob = tBlob->theNext;
}
/*
* Flush blob part ops on behalf of user because
* - nextResult is analogous to execute(NoCommit)
* - user is likely to want blob value before next execute
*/
if (m_operation->m_transConnection->executePendingBlobOps() == -1)
return -1;
return 0;
}
return res;
}
void NdbResultSet::close()
{
m_operation->closeScan();
}
NdbOperation*
NdbResultSet::updateTuple(){
return updateTuple(m_operation->m_transConnection);
}
NdbOperation*
NdbResultSet::updateTuple(NdbConnection* takeOverTrans){
return m_operation->takeOverScanOp(NdbOperation::UpdateRequest,
takeOverTrans);
}
int
NdbResultSet::deleteTuple(){
return deleteTuple(m_operation->m_transConnection);
}
int
NdbResultSet::deleteTuple(NdbConnection * takeOverTrans){
void * res = m_operation->takeOverScanOp(NdbOperation::DeleteRequest,
takeOverTrans);
if(res == 0)
return -1;
return 0;
}
int
NdbResultSet::restart(){
return m_operation->restart();
}
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