mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
398 lines
11 KiB
C++
398 lines
11 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_mod.cpp 3616 2013-03-04 14:56:29Z rdempsey $
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*
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*
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****************************************************************************/
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#include <string>
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using namespace std;
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#include "functor_real.h"
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#include "funchelpers.h"
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#include "functioncolumn.h"
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#include "predicateoperator.h"
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using namespace execplan;
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#include "rowgroup.h"
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using namespace rowgroup;
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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_mod::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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{
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return resultType;
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}
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IDB_Decimal Func_mod::getDecimalVal(Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& operationColType)
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{
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IDB_Decimal retValue;
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retValue.value = 0;
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retValue.scale = 0;
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if ( parm.size() < 2 )
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{
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isNull = true;
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return retValue;
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}
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int64_t div = parm[1]->data()->getIntVal(row, isNull);
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if ( div == 0 )
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{
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isNull = true;
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return retValue;
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}
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IDB_Decimal d = parm[0]->data()->getDecimalVal(row, isNull);
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int64_t value = d.value / helpers::power(d.scale);
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int lefto = d.value % helpers::power(d.scale);
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int64_t mod = (value % div) * helpers::power(d.scale) + lefto;
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retValue.value = mod;
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retValue.scale = d.scale;
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return retValue;
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}
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double Func_mod::getDoubleVal(Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& operationColType)
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{
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if ( parm.size() < 2 )
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{
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isNull = true;
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return 0;
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}
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int64_t div = parm[1]->data()->getIntVal(row, isNull);
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if ( div == 0 )
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{
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isNull = true;
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return 0;
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}
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double mod = 0;
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switch (parm[0]->data()->resultType().colDataType)
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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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{
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int64_t value = parm[0]->data()->getIntVal(row, isNull);
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mod = value % div;
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}
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break;
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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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{
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uint64_t udiv = parm[1]->data()->getIntVal(row, isNull);
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uint64_t uvalue = parm[0]->data()->getUintVal(row, isNull);
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mod = uvalue % udiv;
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}
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break;
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case execplan::CalpontSystemCatalog::DOUBLE:
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case execplan::CalpontSystemCatalog::UDOUBLE:
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{
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double value = parm[0]->data()->getDoubleVal(row, isNull);
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mod = fmod(value, div);
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}
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break;
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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float value = parm[0]->data()->getFloatVal(row, isNull);
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mod = fmod(value, div);
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}
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break;
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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IDB_Decimal d = parm[0]->data()->getDecimalVal(row, isNull);
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int64_t value = d.value / helpers::power(d.scale);
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mod = value % div;
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}
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break;
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::VARCHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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{
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double value = parm[0]->data()->getDoubleVal(row, isNull);
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mod = fmod(value, div);
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break;
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}
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default:
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{
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std::ostringstream oss;
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oss << "mod: datatype of " << execplan::colDataTypeToString(parm[0]->data()->resultType().colDataType);
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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 mod;
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}
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int64_t Func_mod::getIntVal(Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& operationColType)
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{
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if ( parm.size() < 2 )
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{
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isNull = true;
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return 0;
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}
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int64_t div = parm[1]->data()->getIntVal(row, isNull);
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if ( div == 0 )
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{
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isNull = true;
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return 0;
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}
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int64_t mod = 0;
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switch (parm[0]->data()->resultType().colDataType)
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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::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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case execplan::CalpontSystemCatalog::VARCHAR:
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{
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int64_t value = parm[0]->data()->getIntVal(row, isNull);
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mod = value % div;
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}
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break;
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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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{
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uint64_t udiv = parm[1]->data()->getIntVal(row, isNull);
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uint64_t uvalue = parm[0]->data()->getUintVal(row, isNull);
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mod = uvalue % udiv;
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}
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break;
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case execplan::CalpontSystemCatalog::DOUBLE:
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case execplan::CalpontSystemCatalog::UDOUBLE:
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{
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double value = parm[0]->data()->getDoubleVal(row, isNull);
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mod = fmod(value, div);
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}
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break;
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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float value = parm[0]->data()->getFloatVal(row, isNull);
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mod = fmod(value, div);
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}
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break;
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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IDB_Decimal d = parm[0]->data()->getDecimalVal(row, isNull);
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int64_t value = d.value / helpers::power(d.scale);
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mod = value % div;
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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 << "mod: datatype of " << execplan::colDataTypeToString(parm[0]->data()->resultType().colDataType);
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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 mod;
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}
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uint64_t Func_mod::getUIntVal(Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& operationColType)
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{
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if ( parm.size() < 2 )
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{
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isNull = true;
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return 0;
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}
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int64_t div = parm[1]->data()->getIntVal(row, isNull);
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if ( div == 0 )
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{
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isNull = true;
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return 0;
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}
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uint64_t mod = 0;
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switch (parm[0]->data()->resultType().colDataType)
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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::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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case execplan::CalpontSystemCatalog::VARCHAR:
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{
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int64_t value = parm[0]->data()->getIntVal(row, isNull);
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mod = value % div;
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}
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break;
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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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{
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uint64_t udiv = parm[1]->data()->getIntVal(row, isNull);
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uint64_t uvalue = parm[0]->data()->getUintVal(row, isNull);
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mod = uvalue % udiv;
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}
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break;
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case execplan::CalpontSystemCatalog::DOUBLE:
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case execplan::CalpontSystemCatalog::UDOUBLE:
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{
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double value = parm[0]->data()->getDoubleVal(row, isNull);
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mod = fmod(value, div);
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}
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break;
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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float value = parm[0]->data()->getFloatVal(row, isNull);
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mod = fmod(value, div);
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}
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break;
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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IDB_Decimal d = parm[0]->data()->getDecimalVal(row, isNull);
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int64_t value = d.value / helpers::power(d.scale);
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mod = value % div;
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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 << "mod: datatype of " << execplan::colDataTypeToString(parm[0]->data()->resultType().colDataType);
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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 mod;
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}
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std::string Func_mod::getStrVal(Row& row,
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FunctionParm& fp,
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bool& isNull,
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CalpontSystemCatalog::ColType& op_ct)
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{
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if ( fp.size() < 2 )
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{
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isNull = true;
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return std::string();
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}
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switch (fp[0]->data()->resultType().colDataType)
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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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return intToString(getIntVal(row, fp, isNull, op_ct));
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break;
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default:
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return doubleToString(getDoubleVal(row, fp, isNull, op_ct));
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break;
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}
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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