mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-06-06 08:21:01 +03:00
28fe2c0b70
For the initial BLOB/TEXT pull request we put them in the same bucket as VARBINARY, forcing many functions to be disabled. This patch enables the same TEXT function support as VARCHAR.
145 lines
4.0 KiB
C++
145 lines
4.0 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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/****************************************************************************
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* $Id: func_time_to_sec.cpp 2477 2011-04-01 16:07:35Z 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_time_to_sec::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_time_to_sec::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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// assume 256 is enough. assume not allowing incomplete date
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uint32_t hour = 0,
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min = 0,
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sec = 0;
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bool bIsNegative = false; // Only set to true if CHAR or VARCHAR with a '-'
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int64_t val = 0;
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dataconvert::Time tval;
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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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return 0;
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case CalpontSystemCatalog::DATETIME:
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val = parm[0]->data()->getIntVal(row, isNull);
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hour = (uint32_t)((val >> 32) & 0x3f);
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min = (uint32_t)((val >> 26) & 0x3f);
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sec = (uint32_t)((val >> 20) & 0x3f);
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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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std::string strVal = parm[0]->data()->getStrVal(row, isNull);
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if (strVal[0] == '-')
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{
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bIsNegative = true;
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strVal.replace(0, 1, 1, ' ');
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}
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val = dataconvert::DataConvert::stringToTime(strVal);
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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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tval = *(reinterpret_cast<dataconvert::Time*>(&val));
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hour = (uint32_t)(tval.hour);
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min = (uint32_t)(tval.minute);
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sec = (uint32_t)(tval.second);
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}
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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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hour = (uint32_t)((val >> 32) & 0x3f);
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min = (uint32_t)((val >> 26) & 0x3f);
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sec = (uint32_t)((val >> 20) & 0x3f);
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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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hour = (uint32_t)((val >> 32) & 0x3f);
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min = (uint32_t)((val >> 26) & 0x3f);
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sec = (uint32_t)((val >> 20) & 0x3f);
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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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int64_t rtn = (int64_t)(hour*60*60)+(min*60)+sec;
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if (bIsNegative)
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{
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rtn *= -1;
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}
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return rtn;
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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