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This commit is contained in:
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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46
utils/windowfunction/wf_nth_value.h
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@ -17,45 +17,37 @@
// $Id: wf_nth_value.h 3868 2013-06-06 22:13:05Z xlou $
#pragma once
#include "windowfunctiontype.h"
namespace windowfunction
{
template<typename T>
template <typename T>
class WF_nth_value : public WindowFunctionType
{
public:
WF_nth_value(int id, const std::string& name) : WindowFunctionType(id, name)
{
resetData();
}
public:
WF_nth_value(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>&);
// 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, WindowFunctionColumn*);
protected:
T fValue;
int64_t fNth;
bool fNthNull;
bool fFromFirst; // from first | from last
bool fRespectNulls; // respect null | ignore null
static boost::shared_ptr<WindowFunctionType> makeFunction(int, const string&, int, WindowFunctionColumn*);
protected:
T fValue;
int64_t fNth;
bool fNthNull;
bool fFromFirst; // from first | from last
bool fRespectNulls; // respect null | ignore null
};
} // namespace
} // namespace windowfunction
// vim:ts=4 sw=4: