mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-06-01 22:41:43 +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.
318 lines
8.4 KiB
C++
318 lines
8.4 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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// $Id: func_floor.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
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#include <cstdlib>
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#include <iomanip>
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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 "functioncolumn.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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using namespace dataconvert;
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#include "funchelpers.h"
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_floor::operationType(FunctionParm& fp, CalpontSystemCatalog::ColType& resultType)
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{
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return fp[0]->data()->resultType();
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}
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int64_t Func_floor::getIntVal(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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int64_t ret = 0;
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switch (op_ct.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::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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if (op_ct.scale == 0)
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{
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ret = parm[0]->data()->getIntVal(row, isNull);
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break;
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}
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IDB_Decimal decimal = parm[0]->data()->getDecimalVal(row, isNull);
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if (isNull)
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break;
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ret = decimal.value;
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// negative scale is not supported by CNX yet
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if (decimal.scale > 0)
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{
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if (decimal.scale >= 19)
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{
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std::ostringstream oss;
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oss << "floor: datatype of " << execplan::colDataTypeToString(op_ct.colDataType)
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<< " with scale " << (int) decimal.scale << " is beyond supported scale";
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throw logging::IDBExcept(oss.str(), ERR_DATATYPE_NOT_SUPPORT);
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}
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int64_t tmp = ret;
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ret /= helpers::powerOf10_c[decimal.scale];
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// Largest integer value not greater than X.
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if (tmp < 0 && tmp < ret)
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ret -= 1;
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}
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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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ret = (int64_t)parm[0]->data()->getUintVal(row, isNull);
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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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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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ret = (int64_t) floor(parm[0]->data()->getDoubleVal(row, isNull));
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}
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break;
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case execplan::CalpontSystemCatalog::VARCHAR:
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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& str = parm[0]->data()->getStrVal(row, isNull);
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if (!isNull)
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ret = (int64_t) floor(strtod(str.c_str(), 0));
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}
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break;
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case execplan::CalpontSystemCatalog::DATE:
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{
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string str = DataConvert::dateToString1(parm[0]->data()->getDateIntVal(row, isNull));
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if (!isNull)
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ret = atoll(str.c_str());
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}
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break;
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case execplan::CalpontSystemCatalog::DATETIME:
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{
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string str =
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DataConvert::datetimeToString1(parm[0]->data()->getDatetimeIntVal(row, isNull));
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// strip off micro seconds
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str = str.substr(0,14);
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if (!isNull)
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ret = atoll(str.c_str());
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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 << "floor: datatype of " << execplan::colDataTypeToString(op_ct.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 ret;
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}
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uint64_t Func_floor::getUintVal(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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int64_t ret = 0;
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switch (op_ct.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::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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ret = parm[0]->data()->getIntVal(row, isNull);
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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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ret = (int64_t)parm[0]->data()->getUintVal(row, isNull);
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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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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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ret = (uint64_t)floor(parm[0]->data()->getDoubleVal(row, isNull));
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}
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break;
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case execplan::CalpontSystemCatalog::VARCHAR:
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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& str = parm[0]->data()->getStrVal(row, isNull);
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if (!isNull)
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ret = (uint64_t)floor(strtod(str.c_str(), 0));
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}
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break;
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case execplan::CalpontSystemCatalog::DATE:
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{
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string str = DataConvert::dateToString1(parm[0]->data()->getDateIntVal(row, isNull));
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if (!isNull)
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ret = strtoull(str.c_str(), NULL, 10);
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}
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break;
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case execplan::CalpontSystemCatalog::DATETIME:
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{
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string str =
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DataConvert::datetimeToString1(parm[0]->data()->getDatetimeIntVal(row, isNull));
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// strip off micro seconds
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str = str.substr(0,14);
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if (!isNull)
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ret = strtoull(str.c_str(), NULL, 10);
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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 << "floor: datatype of " << execplan::colDataTypeToString(op_ct.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 ret;
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}
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double Func_floor::getDoubleVal(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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double ret = 0.0;
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if (op_ct.colDataType == CalpontSystemCatalog::DOUBLE ||
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op_ct.colDataType == CalpontSystemCatalog::FLOAT)
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{
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ret = floor(parm[0]->data()->getDoubleVal(row, isNull));
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}
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else if (op_ct.colDataType == CalpontSystemCatalog::VARCHAR ||
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op_ct.colDataType == CalpontSystemCatalog::CHAR ||
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op_ct.colDataType == CalpontSystemCatalog::TEXT)
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{
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const string& str = parm[0]->data()->getStrVal(row, isNull);
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if (!isNull)
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ret = floor(strtod(str.c_str(), 0));
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}
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else
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{
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ret = (double) getIntVal(row, parm, isNull, op_ct);
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}
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return ret;
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}
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string Func_floor::getStrVal(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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char tmp[512] = {'\0'};
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if (op_ct.colDataType == CalpontSystemCatalog::DOUBLE ||
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op_ct.colDataType == CalpontSystemCatalog::UDOUBLE ||
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op_ct.colDataType == CalpontSystemCatalog::FLOAT ||
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op_ct.colDataType == CalpontSystemCatalog::UFLOAT ||
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op_ct.colDataType == CalpontSystemCatalog::VARCHAR ||
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op_ct.colDataType == CalpontSystemCatalog::CHAR ||
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op_ct.colDataType == CalpontSystemCatalog::TEXT)
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{
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snprintf(tmp, 511, "%f", getDoubleVal(row, parm, isNull, op_ct));
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// remove the decimals in the oss string.
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char *d = tmp;
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while ((*d != '.') && (*d != '\0'))
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d++;
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*d = '\0';
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}
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else if (isUnsigned(op_ct.colDataType))
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{
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#ifndef __LP64__
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snprintf(tmp, 511, "%llu", getUintVal(row, parm, isNull, op_ct));
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#else
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snprintf(tmp, 511, "%lu", getUintVal(row, parm, isNull, op_ct));
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#endif
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}
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else
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{
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#ifndef __LP64__
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snprintf(tmp, 511, "%lld", getIntVal(row, parm, isNull, op_ct));
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#else
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snprintf(tmp, 511, "%ld", getIntVal(row, parm, isNull, op_ct));
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#endif
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}
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return string(tmp);
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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