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124 lines
3.8 KiB
C++
124 lines
3.8 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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/****************************************************************************
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* $Id: func_date.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
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*
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*
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****************************************************************************/
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#include <cstdlib>
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#include <string>
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#include <sstream>
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using namespace std;
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#include "functor_dtm.h"
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#include "functioncolumn.h"
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#include "rowgroup.h"
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using namespace execplan;
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#include "dataconvert.h"
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#include "errorcodes.h"
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#include "idberrorinfo.h"
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#include "errorids.h"
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using namespace logging;
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_date::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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{
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return resultType;
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}
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int64_t Func_date::getIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType&)
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{
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CalpontSystemCatalog::ColDataType type = parm[0]->data()->resultType().colDataType;
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string value = "";
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switch (type)
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{
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case execplan::CalpontSystemCatalog::DATE:
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{
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return parm[0]->data()->getDatetimeIntVal(row, isNull);
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break;
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}
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case execplan::CalpontSystemCatalog::DATETIME:
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{
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int64_t val1 = parm[0]->data()->getDatetimeIntVal(row, isNull);
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value = dataconvert::DataConvert::datetimeToString(val1);
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value = value.substr(0, 10);
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break;
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}
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case execplan::CalpontSystemCatalog::BIGINT:
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case execplan::CalpontSystemCatalog::INT:
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case execplan::CalpontSystemCatalog::MEDINT:
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case execplan::CalpontSystemCatalog::TINYINT:
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case execplan::CalpontSystemCatalog::SMALLINT:
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case execplan::CalpontSystemCatalog::UBIGINT:
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case execplan::CalpontSystemCatalog::UINT:
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case execplan::CalpontSystemCatalog::UMEDINT:
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case execplan::CalpontSystemCatalog::UTINYINT:
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case execplan::CalpontSystemCatalog::USMALLINT:
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case execplan::CalpontSystemCatalog::DOUBLE:
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case execplan::CalpontSystemCatalog::UDOUBLE:
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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case execplan::CalpontSystemCatalog::VARCHAR:
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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isNull = true;
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return 0;
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}
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break;
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default:
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{
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std::ostringstream oss;
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oss << "date: datatype of " << execplan::colDataTypeToString(type);
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throw logging::IDBExcept(oss.str(), ERR_DATATYPE_NOT_SUPPORT);
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}
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}
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return dataconvert::DataConvert::datetimeToInt(value);
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}
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string Func_date::getStrVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType&)
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{
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const string& val = parm[0]->data()->getStrVal(row, isNull);
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return val.substr(0, 10);
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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