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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.
124 lines
3.3 KiB
C++
124 lines
3.3 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_to_days.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
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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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#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_to_days::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_to_days::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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CalpontSystemCatalog::ColDataType type = parm[0]->data()->resultType().colDataType;
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uint32_t year = 0,
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month = 0,
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day = 0;
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switch (type)
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{
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case execplan::CalpontSystemCatalog::DATE:
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{
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int32_t val = parm[0]->data()->getDateIntVal(row, isNull);
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year = (uint32_t)((val >> 16) & 0xffff);
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month = (uint32_t)((val >> 12) & 0xf);
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day = (uint32_t)((val >> 6) & 0x3f);
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return helpers::calc_mysql_daynr(year, month, day);
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break;
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}
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case execplan::CalpontSystemCatalog::DATETIME:
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{
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int64_t val = parm[0]->data()->getDatetimeIntVal(row, isNull);
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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return helpers::calc_mysql_daynr(year, month, day);
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break;
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}
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case execplan::CalpontSystemCatalog::VARCHAR: // including CHAR'
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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{
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const string& value = parm[0]->data()->getStrVal(row, isNull);
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int64_t val = 0;
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if ( value.size() == 10 ) {
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// date type
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val = dataconvert::DataConvert::dateToInt(value);
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year = (uint32_t)((val >> 16) & 0xffff);
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month = (uint32_t)((val >> 12) & 0xf);
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day = (uint32_t)((val >> 6) & 0x3f);
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}
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else
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{ // datetime type
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val = dataconvert::DataConvert::datetimeToInt(value);
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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return helpers::calc_mysql_daynr(year, month, day);
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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 << "to_days: datatype of " << execplan::colDataTypeToString(type);;
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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 0;
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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