You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-10-30 07:25:34 +03:00
62 lines
1.5 KiB
C++
62 lines
1.5 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: wf_percentile.h 3868 2013-06-06 22:13:05Z xlou $
|
|
|
|
|
|
#ifndef UTILS_WF_PERCENTILE_H
|
|
#define UTILS_WF_PERCENTILE_H
|
|
|
|
#include <set>
|
|
#include "windowfunctiontype.h"
|
|
|
|
|
|
namespace windowfunction
|
|
{
|
|
|
|
|
|
template<typename T>
|
|
class WF_percentile : public WindowFunctionType
|
|
{
|
|
public:
|
|
WF_percentile(int id, const std::string& name) : WindowFunctionType(id, name)
|
|
{
|
|
resetData();
|
|
}
|
|
|
|
// pure virtual in base
|
|
void operator()(int64_t b, int64_t e, int64_t c);
|
|
WindowFunctionType* clone() const;
|
|
void resetData();
|
|
void parseParms(const std::vector<execplan::SRCP>&);
|
|
|
|
static boost::shared_ptr<WindowFunctionType> makeFunction(int, const string&, int);
|
|
|
|
protected:
|
|
|
|
double fNve;
|
|
bool fNveNull;
|
|
};
|
|
|
|
|
|
} // namespace
|
|
|
|
#endif // UTILS_WF_PERCENTILE_H
|
|
|
|
// vim:ts=4 sw=4:
|
|
|