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281 lines
8.6 KiB
C++
281 lines
8.6 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_between.cpp 3954 2013-07-08 16:30:15Z bpaul $
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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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using namespace std;
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#include "functor_bool.h"
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#include "functioncolumn.h"
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#include "predicateoperator.h"
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#include "constantcolumn.h"
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using namespace execplan;
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#include "rowgroup.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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#include "utils_utf8.h"
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using namespace funcexp;
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namespace
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{
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template<typename result_t>
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inline bool numericGE(result_t op1, result_t op2)
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{
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return op1 >= op2;
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}
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template<typename result_t>
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inline bool numericLE(result_t op1, result_t op2)
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{
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return op1 <= op2;
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}
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inline bool strGE(const string& op1, const string& op2)
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{
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//return strcoll(op1.c_str(), op2.c_str()) >= 0;
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return utf8::idb_strcoll(op1.c_str(), op2.c_str()) >= 0;
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}
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inline bool strLE(const string& op1, const string& op2)
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{
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//return strcoll(op1.c_str(), op2.c_str()) <= 0;
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return utf8::idb_strcoll(op1.c_str(), op2.c_str()) <= 0;
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}
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inline bool getBool(rowgroup::Row& row,
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funcexp::FunctionParm& pm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct,
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bool notBetween)
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{
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switch (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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{
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int64_t val = pm[0]->data()->getIntVal(row, isNull);
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if (notBetween)
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{
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if (!numericGE(val, pm[1]->data()->getIntVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!numericLE(val, pm[2]->data()->getIntVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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numericGE(val, pm[1]->data()->getIntVal(row, isNull)) &&
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numericLE(val, pm[2]->data()->getIntVal(row, isNull)) && !isNull;
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}
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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 val = pm[0]->data()->getUintVal(row, isNull);
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if (notBetween)
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{
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if (!numericGE(val, pm[1]->data()->getUintVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!numericLE(val, pm[2]->data()->getUintVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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numericGE(val, pm[1]->data()->getUintVal(row, isNull)) &&
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numericLE(val, pm[2]->data()->getUintVal(row, isNull)) && !isNull;
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}
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case execplan::CalpontSystemCatalog::DATE:
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{
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int32_t val = pm[0]->data()->getDateIntVal(row, isNull);
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if (notBetween)
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{
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if (!numericGE(val, pm[1]->data()->getDateIntVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!numericLE(val, pm[2]->data()->getDateIntVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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numericGE(val, pm[1]->data()->getDateIntVal(row, isNull)) &&
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numericLE(val, pm[2]->data()->getDateIntVal(row, isNull));
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}
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case execplan::CalpontSystemCatalog::DATETIME:
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{
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int64_t val = pm[0]->data()->getDatetimeIntVal(row, isNull);
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if (notBetween)
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{
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if (!numericGE(val, pm[1]->data()->getDatetimeIntVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!numericLE(val, pm[2]->data()->getDatetimeIntVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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numericGE(val, pm[1]->data()->getDatetimeIntVal(row, isNull)) &&
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numericLE(val, pm[2]->data()->getDatetimeIntVal(row, isNull));
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}
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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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double val = pm[0]->data()->getDoubleVal(row, isNull);
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if (notBetween)
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{
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if (!numericGE(val, pm[1]->data()->getDoubleVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!numericLE(val, pm[2]->data()->getDoubleVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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numericGE(val, pm[1]->data()->getDoubleVal(row, isNull)) &&
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numericLE(val, pm[2]->data()->getDoubleVal(row, isNull));
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}
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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 val = pm[0]->data()->getDecimalVal(row, isNull);
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if (notBetween)
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{
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if (!numericGE(val, pm[1]->data()->getDecimalVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!numericLE(val, pm[2]->data()->getDecimalVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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numericGE(val, pm[1]->data()->getDecimalVal(row, isNull)) &&
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numericLE(val, pm[2]->data()->getDecimalVal(row, isNull));
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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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{
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const string& val = pm[0]->data()->getStrVal(row, isNull);
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if (notBetween)
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{
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if (!strGE(val, pm[1]->data()->getStrVal(row, isNull)) && !isNull)
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return true;
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isNull = false;
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return (!strLE(val, pm[2]->data()->getStrVal(row, isNull)) && !isNull);
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}
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return !isNull &&
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strGE(val, pm[1]->data()->getStrVal(row, isNull)) &&
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strLE(val, pm[2]->data()->getStrVal(row, isNull));
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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 << "between: datatype of " << execplan::colDataTypeToString(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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}
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}
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_between::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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{
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PredicateOperator op;
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CalpontSystemCatalog::ColType ct = fp[0]->data()->resultType();
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//op.operationType(fp[0]->data()->resultType());
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bool allString = true;
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for (uint32_t i = 1; i < fp.size(); i++)
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{
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//op.setOpType(op.operationType(), fp[i]->data()->resultType());
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op.setOpType(ct, fp[i]->data()->resultType());
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ct = op.operationType();
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if ((fp[i]->data()->resultType().colDataType != CalpontSystemCatalog::CHAR &&
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fp[i]->data()->resultType().colDataType != CalpontSystemCatalog::VARCHAR) ||
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ct.colDataType == CalpontSystemCatalog::DATE ||
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ct.colDataType == CalpontSystemCatalog::DATETIME)
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{
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allString = false;
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}
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}
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if (allString)
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{
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ct.colDataType = CalpontSystemCatalog::VARCHAR;
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ct.colWidth = 255;
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}
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else if (op.operationType().colDataType == CalpontSystemCatalog::DATETIME)
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{
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ConstantColumn *cc = NULL;
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for (uint32_t i = 1; i < fp.size(); i++)
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{
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cc = dynamic_cast<ConstantColumn*>(fp[i]->data());
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if (cc)
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{
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Result result = cc->result();
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result.intVal = dataconvert::DataConvert::datetimeToInt(result.strVal);
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cc->result(result);
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}
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}
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}
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return ct;
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}
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bool Func_between::getBoolVal(rowgroup::Row& row,
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FunctionParm& pm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return getBool(row, pm, isNull, ct, false) && !isNull;
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}
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CalpontSystemCatalog::ColType Func_notbetween::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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{
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PredicateOperator *op = new PredicateOperator();
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CalpontSystemCatalog::ColType ct;
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op->setOpType(fp[0]->data()->resultType(), fp[1]->data()->resultType());
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op->setOpType(op->resultType(), fp[2]->data()->resultType());
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return op->operationType();
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}
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bool Func_notbetween::getBoolVal(rowgroup::Row& row,
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FunctionParm& pm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return getBool(row, pm, isNull, ct, true) && !isNull;
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}
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} // namespace funcexp
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// vim:ts=4 sw=4:
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