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.
320 lines
8.4 KiB
C++
320 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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/****************************************************************************
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* $Id: func_ceil.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 <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_ceil::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_ceil::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 CalpontSystemCatalog::BIGINT:
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case CalpontSystemCatalog::INT:
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case CalpontSystemCatalog::MEDINT:
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case CalpontSystemCatalog::TINYINT:
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case CalpontSystemCatalog::SMALLINT:
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case CalpontSystemCatalog::DECIMAL:
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case 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 << "ceil: datatype of " << 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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// Adjust to an int based on the scale.
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int64_t tmp = ret;
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ret /= helpers::powerOf10_c[decimal.scale];
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// Add 1 if this is a positive number and there were values to the right of the
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// decimal point so that we return the largest integer value not less than X.
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if ((tmp - (ret * helpers::powerOf10_c[decimal.scale]) > 0))
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ret += 1;
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}
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}
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break;
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case CalpontSystemCatalog::UBIGINT:
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case CalpontSystemCatalog::UINT:
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case CalpontSystemCatalog::UMEDINT:
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case CalpontSystemCatalog::UTINYINT:
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case 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 CalpontSystemCatalog::DOUBLE:
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case CalpontSystemCatalog::UDOUBLE:
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case CalpontSystemCatalog::FLOAT:
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case CalpontSystemCatalog::UFLOAT:
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{
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ret = (int64_t) ceil(parm[0]->data()->getDoubleVal(row, isNull));
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}
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break;
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case CalpontSystemCatalog::VARCHAR:
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case CalpontSystemCatalog::CHAR:
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case 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) ceil(strtod(str.c_str(), 0));
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}
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break;
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case CalpontSystemCatalog::DATE:
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{
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Date d (parm[0]->data()->getDateIntVal(row, isNull));
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if (!isNull)
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ret = d.convertToMySQLint();
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}
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break;
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case CalpontSystemCatalog::DATETIME:
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{
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DateTime dt(parm[0]->data()->getDatetimeIntVal(row, isNull));
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if (!isNull)
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ret = dt.convertToMySQLint();
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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 << "ceil: datatype of " << colDataTypeToString(op_ct.colDataType)
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<< " is not supported";
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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_ceil::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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uint64_t ret = 0;
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switch (op_ct.colDataType)
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{
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case CalpontSystemCatalog::BIGINT:
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case CalpontSystemCatalog::INT:
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case CalpontSystemCatalog::MEDINT:
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case CalpontSystemCatalog::TINYINT:
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case CalpontSystemCatalog::SMALLINT:
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case CalpontSystemCatalog::DECIMAL:
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case CalpontSystemCatalog::UDECIMAL:
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{
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ret = (uint64_t)parm[0]->data()->getIntVal(row, isNull);
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}
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break;
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case CalpontSystemCatalog::UBIGINT:
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case CalpontSystemCatalog::UINT:
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case CalpontSystemCatalog::UMEDINT:
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case CalpontSystemCatalog::UTINYINT:
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case CalpontSystemCatalog::USMALLINT:
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{
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ret = (parm[0]->data()->getUintVal(row, isNull));
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}
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break;
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case CalpontSystemCatalog::DOUBLE:
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case CalpontSystemCatalog::UDOUBLE:
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case CalpontSystemCatalog::FLOAT:
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case CalpontSystemCatalog::UFLOAT:
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{
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ret = (uint64_t) ceil(parm[0]->data()->getDoubleVal(row, isNull));
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}
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break;
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case CalpontSystemCatalog::VARCHAR:
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case CalpontSystemCatalog::CHAR:
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case 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) ceil(strtod(str.c_str(), 0));
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}
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break;
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case CalpontSystemCatalog::DATE:
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{
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Date d (parm[0]->data()->getDateIntVal(row, isNull));
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if (!isNull)
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ret = d.convertToMySQLint();
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}
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break;
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case CalpontSystemCatalog::DATETIME:
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{
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DateTime dt(parm[0]->data()->getDatetimeIntVal(row, isNull));
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if (!isNull)
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ret = dt.convertToMySQLint();
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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 << "ceil: datatype of " << colDataTypeToString(op_ct.colDataType)
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<< " is not supported";
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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_ceil::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::UDOUBLE ||
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op_ct.colDataType == CalpontSystemCatalog::FLOAT ||
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op_ct.colDataType == CalpontSystemCatalog::UFLOAT)
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{
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ret = ceil(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 = ceil(strtod(str.c_str(), 0));
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}
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else
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{
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if (isUnsigned(op_ct.colDataType))
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{
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ret = (double) getUintVal(row, parm, isNull, op_ct);
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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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}
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return ret;
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}
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string Func_ceil::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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