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Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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utils/windowfunction/framebound.h
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@ -17,7 +17,6 @@
// $Id: framebound.h 3932 2013-06-25 16:08:10Z xlou $
#pragma once
#include <boost/shared_ptr.hpp>
@ -25,132 +24,125 @@
#include "rowgroup.h"
#include "windowfunctionstep.h"
namespace ordering
{
// forward reference
class EqualCompData;
};
}; // namespace ordering
namespace windowfunction
{
const int WF__UNBOUNDED_PRECEDING = 0;
const int WF__CONSTANT_PRECEDING = 1;
const int WF__UNBOUNDED_PRECEDING = 0;
const int WF__CONSTANT_PRECEDING = 1;
const int WF__EXPRESSION_PRECEDING = 2;
const int WF__CURRENT_ROW = 3;
const int WF__UNBOUNDED_FOLLOWING = 4;
const int WF__CONSTANT_FOLLOWING = 5;
const int WF__CURRENT_ROW = 3;
const int WF__UNBOUNDED_FOLLOWING = 4;
const int WF__CONSTANT_FOLLOWING = 5;
const int WF__EXPRESSION_FOLLOWING = 6;
const int WF__BOUND_ALL = -1; // unbounded - unbounded
const int WF__BOUND_ROLLING = -2; // unbounded - current row
const int WF__BOUND_ALL = -1; // unbounded - unbounded
const int WF__BOUND_ROLLING = -2; // unbounded - current row
/** @brief class FrameBound
*
*/
class FrameBound
{
public:
/** @brief FrameBound constructor
* @param t, frame type
*/
FrameBound(int t = 0) : fBoundType(t), fStart(true) {};
public:
/** @brief FrameBound constructor
* @param t, frame type
*/
FrameBound(int t = 0) : fBoundType(t), fStart(true){};
/** @brief FrameBound destructor
*/
virtual ~FrameBound() {};
/** @brief FrameBound destructor
*/
virtual ~FrameBound(){};
/** @brief clone
*/
virtual FrameBound* clone()
{
return new FrameBound(*this);
}
/** @brief clone
*/
virtual FrameBound* clone()
{
return new FrameBound(*this);
}
/** @brief virtual void getBound
* @param b: partition start position
* @param e: partition end position
* @param c: current position
* @return : frame position
*/
virtual int64_t getBound(int64_t b, int64_t e, int64_t c);
/** @brief virtual void getBound
* @param b: partition start position
* @param e: partition end position
* @param c: current position
* @return : frame position
*/
virtual int64_t getBound(int64_t b, int64_t e, int64_t c);
virtual const std::string toString() const;
virtual const std::string toString() const;
void setRowData(const boost::shared_ptr<std::vector<joblist::RowPosition> >& d)
{
fRowData = d;
}
void setRowMetaData(const rowgroup::RowGroup& g, const rowgroup::Row& r)
{
fRowGroup = g;
fRow = r;
}
void setRowData(const boost::shared_ptr<std::vector<joblist::RowPosition> >& d)
{
fRowData = d;
}
void setRowMetaData(const rowgroup::RowGroup& g, const rowgroup::Row& r)
{
fRowGroup = g;
fRow = r;
}
int64_t boundType() const
{
return fBoundType;
}
void boundType(int64_t t)
{
fBoundType = t;
}
int64_t boundType() const
{
return fBoundType;
}
void boundType(int64_t t)
{
fBoundType = t;
}
bool start() const
{
return fStart;
}
void start(bool s)
{
fStart = s;
}
bool start() const
{
return fStart;
}
void start(bool s)
{
fStart = s;
}
const boost::shared_ptr<ordering::EqualCompData>& peer() const
{
return fPeer;
}
void peer(const boost::shared_ptr<ordering::EqualCompData>& p)
{
fPeer = p;
}
const boost::shared_ptr<ordering::EqualCompData>& peer() const
{
return fPeer;
}
void peer(const boost::shared_ptr<ordering::EqualCompData>& p)
{
fPeer = p;
}
// for string table
void setCallback(joblist::WindowFunctionStep* step)
{
fStep = step;
}
rowgroup::Row::Pointer getPointer(joblist::RowPosition& r)
{
return fStep->getPointer(r, fRowGroup, fRow);
}
// for string table
void setCallback(joblist::WindowFunctionStep* step)
{
fStep = step;
}
rowgroup::Row::Pointer getPointer(joblist::RowPosition& r)
{
return fStep->getPointer(r, fRowGroup, fRow);
}
protected:
// boundary type
int64_t fBoundType;
bool fStart;
protected:
// boundary type
int64_t fBoundType;
bool fStart;
// data
boost::shared_ptr<std::vector<joblist::RowPosition> > fRowData;
// data
boost::shared_ptr<std::vector<joblist::RowPosition> > fRowData;
// row meta data
rowgroup::RowGroup fRowGroup;
rowgroup::Row fRow;
// row meta data
rowgroup::RowGroup fRowGroup;
rowgroup::Row fRow;
// functor for peer checking
boost::shared_ptr<ordering::EqualCompData> fPeer;
// functor for peer checking
boost::shared_ptr<ordering::EqualCompData> fPeer;
// pointer back to step
joblist::WindowFunctionStep* fStep;
// pointer back to step
joblist::WindowFunctionStep* fStep;
};
extern std::map<int, std::string> colType2String;
} // namespace
} // namespace windowfunction
// vim:ts=4 sw=4: