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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
142 lines
3.9 KiB
C++
142 lines
3.9 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_quarter.cpp 3495 2013-01-21 14:09:51Z rdempsey $
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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_quarter::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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return resultType;
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}
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int64_t Func_quarter::getIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& op_ct)
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{
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// try to cast to date/datetime
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int64_t val = 0, month = 0;
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dataconvert::DateTime aDateTime;
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dataconvert::Time aTime;
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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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month = (val >> 12) & 0xf;
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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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month = (val >> 44) & 0xf;
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break;
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case execplan::CalpontSystemCatalog::TIMESTAMP:
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{
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dataconvert::TimeStamp timestamp(parm[0]->data()->getTimestampIntVal(row, isNull));
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int64_t seconds = timestamp.second;
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dataconvert::MySQLTime m_time;
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dataconvert::gmtSecToMySQLTime(seconds, m_time, op_ct.getTimeZone());
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month = m_time.month;
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break;
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}
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// Time adds to now() and then gets value
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case CalpontSystemCatalog::TIME:
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aDateTime = static_cast<dataconvert::DateTime>(nowDatetime());
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aTime = parm[0]->data()->getTimeIntVal(row, isNull);
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aTime.day = 0;
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val = addTime(aDateTime, aTime);
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month = (uint32_t)((val >> 44) & 0xf);
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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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{
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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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isNull = true;
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else
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month = (val >> 44) & 0xf;
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break;
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}
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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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{
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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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isNull = true;
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else
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month = (val >> 44) & 0xf;
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break;
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}
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case CalpontSystemCatalog::DECIMAL:
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case CalpontSystemCatalog::UDECIMAL:
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{
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if (parm[0]->data()->resultType().scale == 0)
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{
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val = dataconvert::DataConvert::intToDate(parm[0]->data()->getIntVal(row, isNull));
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if (val == -1)
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isNull = true;
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else
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month = (val >> 12) & 0xf;
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break;
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}
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else
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{
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isNull = true;
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break;
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}
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}
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default: isNull = true;
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}
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return (int64_t)((month + 2) / 3);
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}
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} // namespace funcexp
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