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97 lines
2.0 KiB
C++
97 lines
2.0 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id: wf_row_number.cpp 3932 2013-06-25 16:08:10Z xlou $
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//#define NDEBUG
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#include <cassert>
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#include <cmath>
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#include <sstream>
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#include <iomanip>
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using namespace std;
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#include <boost/shared_ptr.hpp>
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using namespace boost;
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#include "loggingid.h"
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#include "errorcodes.h"
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#include "idberrorinfo.h"
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using namespace logging;
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#include "rowgroup.h"
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using namespace rowgroup;
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#include "idborderby.h"
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using namespace ordering;
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#include "joblisttypes.h"
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#include "calpontsystemcatalog.h"
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using namespace execplan;
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#include "windowfunctionstep.h"
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using namespace joblist;
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#include "wf_row_number.h"
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namespace windowfunction
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{
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boost::shared_ptr<WindowFunctionType> WF_row_number::makeFunction(int id, const string& name, int ct)
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{
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boost::shared_ptr<WindowFunctionType> func(new WF_row_number(id, name));
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return func;
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}
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WindowFunctionType* WF_row_number::clone() const
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{
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return new WF_row_number(*this);
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}
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void WF_row_number::resetData()
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{
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fRowNumber= 0;
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WindowFunctionType::resetData();
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}
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void WF_row_number::operator()(int64_t b, int64_t e, int64_t c)
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{
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b = fPartition.first;
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e = fPartition.second;
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for (c = b; c <= e; c++)
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{
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if (c % 1000 == 0 && fStep->cancelled())
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break;
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fRow.setData(getPointer(fRowData->at(c)));
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fRowNumber++;
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setIntValue(fFieldIndex[0], fRowNumber);
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}
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}
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} //namespace
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// vim:ts=4 sw=4:
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