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
153 lines
3.3 KiB
C++
153 lines
3.3 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: frameboundrow.h 3868 2013-06-06 22:13:05Z xlou $
|
|
|
|
|
|
#ifndef UTILS_FRAMEBOUNDROW_H
|
|
#define UTILS_FRAMEBOUNDROW_H
|
|
|
|
|
|
#include "framebound.h"
|
|
|
|
|
|
namespace windowfunction
|
|
{
|
|
|
|
|
|
/** @brief class FrameBoundRow
|
|
*
|
|
*/
|
|
class FrameBoundRow : public FrameBound
|
|
{
|
|
public:
|
|
/** @brief FrameBoundRow constructor
|
|
* @param t, frame type
|
|
*/
|
|
FrameBoundRow(int t = 0) : FrameBound(t) {};
|
|
|
|
/** @brief FrameBoundRow destructor
|
|
*/
|
|
virtual ~FrameBoundRow() {};
|
|
|
|
/** @brief clone
|
|
*/
|
|
virtual FrameBound* clone()
|
|
{ return new FrameBoundRow(*this); }
|
|
|
|
/** @brief virtual void getBound
|
|
*/
|
|
int64_t getBound(int64_t, int64_t, int64_t);
|
|
|
|
const std::string toString() const;
|
|
|
|
|
|
protected:
|
|
|
|
};
|
|
|
|
|
|
/** @brief class FrameBoundConstantRow
|
|
*
|
|
*/
|
|
class FrameBoundConstantRow : public FrameBoundRow
|
|
{
|
|
public:
|
|
/** @brief FrameBoundConstant constructor
|
|
* @param t, frame type
|
|
* @param c, constant value. !! caller need to check NULL or negative value !!
|
|
*/
|
|
FrameBoundConstantRow(int t = 0, int c = 0) : FrameBoundRow(t), fOffset(c) {};
|
|
|
|
/** @brief FrameBoundConstantRow destructor
|
|
*/
|
|
virtual ~FrameBoundConstantRow() {};
|
|
|
|
/** @brief clone
|
|
*/
|
|
virtual FrameBound* clone()
|
|
{ return new FrameBoundConstantRow(*this); }
|
|
|
|
/** @brief virtual void getBound
|
|
*/
|
|
int64_t getBound(int64_t, int64_t, int64_t);
|
|
|
|
const std::string toString() const;
|
|
|
|
|
|
protected:
|
|
|
|
// constant offset
|
|
int64_t fOffset;
|
|
|
|
};
|
|
|
|
|
|
/** @brief class FrameBoundExpressionRow
|
|
*
|
|
*/
|
|
template<typename T>
|
|
class FrameBoundExpressionRow : public FrameBoundConstantRow
|
|
{
|
|
public:
|
|
/** @brief FrameBoundExpressionRow constructor
|
|
* @param t, frame type
|
|
*/
|
|
FrameBoundExpressionRow(int t, uint64_t id = -1, int idx = -1) :
|
|
FrameBoundConstantRow(t), fExprTupleId(id), fExprIdx(idx) {};
|
|
|
|
/** @brief FrameBoundExpressionRow destructor
|
|
*/
|
|
virtual ~FrameBoundExpressionRow() {};
|
|
|
|
/** @brief clone
|
|
*/
|
|
virtual FrameBound* clone()
|
|
{ return new FrameBoundExpressionRow<T>(*this); }
|
|
|
|
/** @brief virtual void getBound
|
|
*/
|
|
int64_t getBound(int64_t, int64_t, int64_t);
|
|
|
|
const std::string toString() const;
|
|
|
|
void setExprTupleId(int id) { fExprTupleId = id; }
|
|
uint64_t getExprTupleId() const { return fExprTupleId; }
|
|
|
|
void setExprIndex(int i) { fExprIdx = i; }
|
|
uint64_t getExprIndex() const { return fExprIdx; }
|
|
|
|
|
|
protected:
|
|
|
|
void getOffset();
|
|
|
|
// id and index in row
|
|
uint64_t fExprTupleId;
|
|
int fExprIdx;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
} // namespace
|
|
|
|
#endif // UTILS_FRAMEBOUNDROW_H
|
|
|
|
// vim:ts=4 sw=4:
|