mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-20 09:07:44 +03:00
3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
/* 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_repeat.cpp 2477 2011-04-01 16:07:35Z rdempsey $
|
|
*
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include <cstdlib>
|
|
#include <string>
|
|
#include <sstream>
|
|
using namespace std;
|
|
|
|
#include "functor_str.h"
|
|
#include "functioncolumn.h"
|
|
using namespace execplan;
|
|
|
|
#include "rowgroup.h"
|
|
using namespace rowgroup;
|
|
|
|
#include "joblisttypes.h"
|
|
using namespace joblist;
|
|
|
|
namespace funcexp
|
|
{
|
|
CalpontSystemCatalog::ColType Func_repeat::operationType(FunctionParm& fp,
|
|
CalpontSystemCatalog::ColType& resultType)
|
|
{
|
|
// operation type is not used by this functor
|
|
// return fp[0]->data()->resultType();
|
|
return resultType;
|
|
}
|
|
|
|
std::string Func_repeat::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
|
|
execplan::CalpontSystemCatalog::ColType& type)
|
|
{
|
|
string str;
|
|
|
|
stringValue(fp[0], row, isNull, str);
|
|
|
|
if (str.empty() || str == "")
|
|
return "";
|
|
|
|
int count = fp[1]->data()->getIntVal(row, isNull);
|
|
|
|
if (isNull)
|
|
return "";
|
|
|
|
if (count < 1)
|
|
return "";
|
|
|
|
// calculate size of buffer to allocate
|
|
|
|
int size = str.length() * count;
|
|
|
|
// allocate memory
|
|
char* result = new char[size + 1];
|
|
|
|
if (result == NULL)
|
|
{
|
|
return "";
|
|
}
|
|
|
|
memset((char*)result, 0, size);
|
|
|
|
for (int i = 0; i < count; i++)
|
|
{
|
|
if (strcat(result, str.c_str()) == NULL) // questionable check
|
|
return "";
|
|
}
|
|
|
|
std::string res(result);
|
|
delete[] result;
|
|
return res;
|
|
}
|
|
|
|
} // namespace funcexp
|