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mariadb-columnstore-engine/utils/funcexp/func_in.cpp
david hill f6afc42dd0 the begginning
2016-01-06 14:08:59 -06:00

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/* 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_in.cpp 3954 2013-07-08 16:30:15Z bpaul $
*
*
****************************************************************************/
#include <cstdlib>
#include <string>
using namespace std;
#include "functor_bool.h"
#include "functioncolumn.h"
#include "predicateoperator.h"
#include "constantcolumn.h"
using namespace execplan;
#include "rowgroup.h"
#include "dataconvert.h"
#include "errorcodes.h"
#include "idberrorinfo.h"
#include "errorids.h"
using namespace logging;
#include "utils_utf8.h"
using namespace funcexp;
namespace
{
template<typename result_t>
inline bool numericEQ(result_t op1, result_t op2)
{
return op1 == op2;
}
inline bool strEQ(string op1, string op2)
{
return utf8::idb_strcoll(op1.c_str(), op2.c_str()) == 0;
}
inline bool getBoolForIn(rowgroup::Row& row,
funcexp::FunctionParm& pm,
bool& isNull,
CalpontSystemCatalog::ColType& ct,
bool isNotIn)
{
IDB_Decimal d; // to be removed;
switch (ct.colDataType)
{
case execplan::CalpontSystemCatalog::BIGINT:
case execplan::CalpontSystemCatalog::INT:
case execplan::CalpontSystemCatalog::MEDINT:
case execplan::CalpontSystemCatalog::TINYINT:
case execplan::CalpontSystemCatalog::SMALLINT:
{
int64_t val = pm[0]->data()->getIntVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if (val == pm[i]->data()->getIntVal(row, isNull) && !isNull )
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
case execplan::CalpontSystemCatalog::UBIGINT:
case execplan::CalpontSystemCatalog::UINT:
case execplan::CalpontSystemCatalog::UMEDINT:
case execplan::CalpontSystemCatalog::UTINYINT:
case execplan::CalpontSystemCatalog::USMALLINT:
{
uint64_t val = pm[0]->data()->getUintVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if (val == pm[i]->data()->getUintVal(row, isNull) && !isNull )
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
case execplan::CalpontSystemCatalog::DATE:
{
int32_t val = pm[0]->data()->getDateIntVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if ( val == pm[i]->data()->getDateIntVal(row, isNull) && !isNull )
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
case execplan::CalpontSystemCatalog::DATETIME:
{
int64_t val = pm[0]->data()->getDatetimeIntVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if ( val == pm[i]->data()->getDatetimeIntVal(row, isNull) && !isNull )
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
case execplan::CalpontSystemCatalog::DOUBLE:
case execplan::CalpontSystemCatalog::UDOUBLE:
case execplan::CalpontSystemCatalog::FLOAT:
case execplan::CalpontSystemCatalog::UFLOAT:
{
double val = pm[0]->data()->getDoubleVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if ( val == pm[i]->data()->getDoubleVal(row, isNull) && !isNull )
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
case execplan::CalpontSystemCatalog::DECIMAL:
case execplan::CalpontSystemCatalog::UDECIMAL:
{
IDB_Decimal val = pm[0]->data()->getDecimalVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if ( val == pm[i]->data()->getDecimalVal(row, isNull) && !isNull )
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
case execplan::CalpontSystemCatalog::VARCHAR: // including CHAR'
case execplan::CalpontSystemCatalog::CHAR:
{
const string& val = pm[0]->data()->getStrVal(row, isNull);
if (isNull)
return false;
for (uint32_t i = 1; i < pm.size(); i++)
{
isNull = false;
if ( utf8::idb_strcoll(val.c_str(), pm[i]->data()->getStrVal(row, isNull).c_str()) == 0 && !isNull)
return true;
if (isNull && isNotIn)
return true; // will be reversed to false by the caller
}
return false;
}
default:
{
std::ostringstream oss;
oss << "regexo: datatype of " << execplan::colDataTypeToString(ct.colDataType);
throw logging::IDBExcept(oss.str(), ERR_DATATYPE_NOT_SUPPORT);
}
}
}
}
namespace funcexp
{
CalpontSystemCatalog::ColType Func_in::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
{
PredicateOperator op;
CalpontSystemCatalog::ColType ct;
// @bug 4230. Initialize ct to be the first argument.
if (!fp.empty())
ct = fp[0]->data()->resultType();
bool allString = true;
bool allNonToken = true;
for (uint32_t i = 0; i < fp.size(); i++)
{
//op.setOpType(op.operationType(), fp[i]->data()->resultType());
if (fp[i]->data()->resultType().colDataType != CalpontSystemCatalog::CHAR &&
fp[i]->data()->resultType().colDataType != CalpontSystemCatalog::VARCHAR)
{
allString = false;
op.setOpType(ct, fp[i]->data()->resultType());
ct = op.operationType();
}
else
{
if ((fp[i]->data()->resultType().colDataType == CalpontSystemCatalog::CHAR &&
fp[i]->data()->resultType().colWidth > 8) ||
(fp[i]->data()->resultType().colDataType == CalpontSystemCatalog::VARCHAR &&
fp[i]->data()->resultType().colWidth >= 8))
allNonToken = false;
}
}
if (allString && !allNonToken)
{
ct.colDataType = CalpontSystemCatalog::VARCHAR;
ct.colWidth = 255;
}
else if (allString && allNonToken)
{
ct.colDataType = CalpontSystemCatalog::BIGINT;
ct.colWidth = 8;
}
// convert date const value according to the compare type here.
if (op.operationType().colDataType == CalpontSystemCatalog::DATE)
{
ConstantColumn *cc = NULL;
for (uint32_t i = 1; i < fp.size(); i++)
{
cc = dynamic_cast<ConstantColumn*>(fp[i]->data());
if (cc)
{
Result result = cc->result();
result.intVal = dataconvert::DataConvert::dateToInt(result.strVal);
cc->result(result);
}
}
}
else if (op.operationType().colDataType == CalpontSystemCatalog::DATETIME)
{
ConstantColumn *cc = NULL;
for (uint32_t i = 1; i < fp.size(); i++)
{
cc = dynamic_cast<ConstantColumn*>(fp[i]->data());
if (cc)
{
Result result = cc->result();
result.intVal = dataconvert::DataConvert::datetimeToInt(result.strVal);
cc->result(result);
}
}
}
return ct;
}
bool Func_in::getBoolVal(rowgroup::Row& row,
FunctionParm& pm,
bool& isNull,
CalpontSystemCatalog::ColType& ct)
{
return getBoolForIn(row, pm, isNull, ct, false) && !isNull;
}
CalpontSystemCatalog::ColType Func_notin::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
{
PredicateOperator *op = new PredicateOperator();
CalpontSystemCatalog::ColType ct;
op->setOpType(fp[0]->data()->resultType(), fp[1]->data()->resultType());
return op->operationType();
}
bool Func_notin::getBoolVal(rowgroup::Row& row,
FunctionParm& pm,
bool& isNull,
CalpontSystemCatalog::ColType& ct)
{
return (!getBoolForIn(row, pm, isNull, ct, true) && !isNull);
}
} // namespace funcexp
// vim:ts=4 sw=4:
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