You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-07-01 06:21:41 +03:00
* 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copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival 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
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/* Copyright (C) 2019 MariaDB Corporation.
|
|
|
|
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. */
|
|
|
|
#include <string>
|
|
using namespace std;
|
|
|
|
#include "functor_str.h"
|
|
using namespace execplan;
|
|
|
|
#include "rowgroup.h"
|
|
using namespace rowgroup;
|
|
|
|
namespace funcexp
|
|
{
|
|
CalpontSystemCatalog::ColType Func_space::operationType(FunctionParm& fp,
|
|
CalpontSystemCatalog::ColType& resultType)
|
|
{
|
|
return resultType;
|
|
}
|
|
|
|
std::string Func_space::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
|
|
execplan::CalpontSystemCatalog::ColType& op_ct)
|
|
{
|
|
CalpontSystemCatalog::ColDataType ct = fp[0]->data()->resultType().colDataType;
|
|
|
|
// Int representation of temporal types can be a very large value,
|
|
// so exit early if this is the case
|
|
if (ct == CalpontSystemCatalog::DATE || ct == CalpontSystemCatalog::DATETIME ||
|
|
ct == CalpontSystemCatalog::TIMESTAMP || ct == CalpontSystemCatalog::TIME)
|
|
{
|
|
isNull = true;
|
|
return "";
|
|
}
|
|
|
|
int64_t count = fp[0]->data()->getIntVal(row, isNull);
|
|
|
|
if (isNull || count < 1)
|
|
return "";
|
|
|
|
string result(count, ' ');
|
|
|
|
return result;
|
|
}
|
|
|
|
} // namespace funcexp
|