mariadb-columnstore-engine/utils/funcexp/func_bitand.cpp

/* Copyright (C) 2014 InfiniDB, Inc.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; version 2 of
   the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

/****************************************************************************
* $Id: func_bitand.cpp 3495 2013-01-21 14:09:51Z rdempsey $
*
*
****************************************************************************/

#include <string>
using namespace std;

#include "functor_int.h"
#include "funchelpers.h"
#include "functioncolumn.h"
#include "predicateoperator.h"
using namespace execplan;

#include "rowgroup.h"
using namespace rowgroup;

#include "errorcodes.h"
#include "idberrorinfo.h"
#include "errorids.h"
using namespace logging;


namespace funcexp
{

CalpontSystemCatalog::ColType Func_bitand::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
{
    return resultType;
}

int64_t Func_bitand::getIntVal(Row& row,
                               FunctionParm& parm,
                               bool& isNull,
                               CalpontSystemCatalog::ColType& operationColType)
{

    vector<int64_t> values;

    if ( parm.size() < 2 )
    {
        isNull = true;
        return 0;
    }

    for (uint32_t i = 0; i < parm.size(); i++)
    {
        switch (parm[i]->data()->resultType().colDataType)
        {
            case execplan::CalpontSystemCatalog::BIGINT:
            case execplan::CalpontSystemCatalog::INT:
            case execplan::CalpontSystemCatalog::MEDINT:
            case execplan::CalpontSystemCatalog::TINYINT:
            case execplan::CalpontSystemCatalog::SMALLINT:
            case execplan::CalpontSystemCatalog::UBIGINT:
            case execplan::CalpontSystemCatalog::UINT:
            case execplan::CalpontSystemCatalog::UMEDINT:
            case execplan::CalpontSystemCatalog::UTINYINT:
            case execplan::CalpontSystemCatalog::USMALLINT:
            case execplan::CalpontSystemCatalog::DOUBLE:
            case execplan::CalpontSystemCatalog::FLOAT:
            case execplan::CalpontSystemCatalog::UDOUBLE:
            case execplan::CalpontSystemCatalog::UFLOAT:
            {
                values.push_back(parm[i]->data()->getIntVal(row, isNull));
            }
            break;

            case execplan::CalpontSystemCatalog::VARCHAR:
            case execplan::CalpontSystemCatalog::CHAR:
            case execplan::CalpontSystemCatalog::TEXT:
            {
                int64_t value = parm[i]->data()->getIntVal(row, isNull);

                if (isNull)
                {
                    isNull = true;
                    return value;
                }

                values.push_back(0);
            }
            break;

            case execplan::CalpontSystemCatalog::DECIMAL:
            {
                IDB_Decimal d = parm[i]->data()->getDecimalVal(row, isNull);
                int64_t value = d.value / power(d.scale);
                int lefto = (d.value - value * power(d.scale)) / power(d.scale - 1);

                if ( value >= 0 && lefto > 4 )
                    value++;

                if ( value < 0 && lefto < -4 )
                    value--;

                values.push_back(value);
            }
            break;

            case execplan::CalpontSystemCatalog::DATE:
            {
                int64_t time = parm[i]->data()->getDateIntVal(row, isNull);

                int32_t year = 0,
                        month = 0,
                        day = 0;

                year = (uint32_t)((time >> 16) & 0xffff);
                month = (uint32_t)((time >> 12) & 0xf);
                day = (uint32_t)((time >> 6) & 0x3f);

                values.push_back((year * 10000) + (month * 100) + day);
            }
            break;

            case execplan::CalpontSystemCatalog::DATETIME:
            {
                int64_t time = parm[i]->data()->getDatetimeIntVal(row, isNull);

                int32_t year = 0,
                        month = 0,
                        day = 0,
                        hour = 0,
                        min = 0,
                        sec = 0;

                year = (uint32_t)((time >> 48) & 0xffff);
                month = (uint32_t)((time >> 44) & 0xf);
                day = (uint32_t)((time >> 38) & 0x3f);
                hour = (uint32_t)((time >> 32) & 0x3f);
                min = (uint32_t)((time >> 26) & 0x3f);
                sec = (uint32_t)((time >> 20) & 0x3f);

                //			return (int64_t) (year*1000000000000)+(month*100000000)+(day*1000000)+(hour*10000)+(min*100)+sec;
                values.push_back((month * 100000000) + (day * 1000000) + (hour * 10000) + (min * 100) + sec);
            }
            break;

            default:
            {
                std::ostringstream oss;
                oss << "bitand: datatype of " << execplan::colDataTypeToString(operationColType.colDataType);
                throw logging::IDBExcept(oss.str(), ERR_DATATYPE_NOT_SUPPORT);
            }
        }
    }

    vector<int64_t>::iterator p = values.begin();
    int64_t retValue = *p;
    p++;

    while ( p != values.end() )
    {
        retValue = retValue & *p;
        p++;
    }

    return retValue;
}


} // namespace funcexp
// vim:ts=4 sw=4: