mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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131 lines
3.6 KiB
C++
131 lines
3.6 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_microsecond.cpp 2477 2011-05-11 16:07:35Z chao $
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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_int.h"
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#include "funchelpers.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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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_microsecond::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_microsecond::getIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& op_ct)
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{
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int64_t val = 0;
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uint32_t microSecond = 0;
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switch (parm[0]->data()->resultType().colDataType)
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{
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case CalpontSystemCatalog::DATE:
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val = parm[0]->data()->getIntVal(row, isNull);
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microSecond = 0;
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break;
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case CalpontSystemCatalog::DATETIME:
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val = parm[0]->data()->getIntVal(row, isNull);
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microSecond = (uint32_t)((val & 0xfffff));
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break;
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case CalpontSystemCatalog::CHAR:
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case CalpontSystemCatalog::TEXT:
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case CalpontSystemCatalog::VARCHAR:
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val = dataconvert::DataConvert::stringToDatetime(parm[0]->data()->getStrVal(row, isNull));
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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microSecond = (uint32_t)((val & 0xfffff));
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}
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break;
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case CalpontSystemCatalog::BIGINT:
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case CalpontSystemCatalog::MEDINT:
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case CalpontSystemCatalog::SMALLINT:
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case CalpontSystemCatalog::TINYINT:
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case CalpontSystemCatalog::INT:
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val = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull));
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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microSecond = (uint32_t)((val & 0xfffff));
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}
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break;
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case CalpontSystemCatalog::DECIMAL:
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if (parm[0]->data()->resultType().scale == 0)
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{
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val = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull));
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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microSecond = (uint32_t)((val & 0xfffff));
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}
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}
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break;
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default:
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isNull = true;
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return -1;
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}
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return microSecond;
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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