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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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85
dbcon/execplan/wf_frame.h
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@ -30,45 +30,52 @@
*/
namespace execplan
{
// This enum is made consistant with mysql Item_window_func
enum WF_FRAME
{
WF_PRECEDING = 0,
WF_FOLLOWING,
WF_UNBOUNDED_PRECEDING,
WF_UNBOUNDED_FOLLOWING,
WF_CURRENT_ROW,
WF_UNKNOWN
WF_PRECEDING = 0,
WF_FOLLOWING,
WF_UNBOUNDED_PRECEDING,
WF_UNBOUNDED_FOLLOWING,
WF_CURRENT_ROW,
WF_UNKNOWN
};
struct WF_Boundary
{
WF_Boundary() {}
WF_Boundary(WF_FRAME frame): fFrame(frame) {}
~WF_Boundary() {}
const std::string toString() const;
void serialize(messageqcpp::ByteStream&) const;
void unserialize(messageqcpp::ByteStream&);
SRCP fVal; /// has to evaluate to unsigned value
SRCP fBound; /// order by col +, -, date_add or date_sub for RANGE window
enum WF_FRAME fFrame;
WF_Boundary()
{
}
WF_Boundary(WF_FRAME frame) : fFrame(frame)
{
}
~WF_Boundary()
{
}
const std::string toString() const;
void serialize(messageqcpp::ByteStream&) const;
void unserialize(messageqcpp::ByteStream&);
SRCP fVal; /// has to evaluate to unsigned value
SRCP fBound; /// order by col +, -, date_add or date_sub for RANGE window
enum WF_FRAME fFrame;
};
struct WF_Frame
{
WF_Frame(): fIsRange(true)
{
fStart.fFrame = WF_UNBOUNDED_PRECEDING;
fEnd.fFrame = WF_UNBOUNDED_FOLLOWING;
}
~WF_Frame() {}
const std::string toString() const;
void serialize(messageqcpp::ByteStream&) const;
void unserialize(messageqcpp::ByteStream&);
WF_Boundary fStart;
WF_Boundary fEnd;
bool fIsRange; /// RANGE or ROWS
WF_Frame() : fIsRange(true)
{
fStart.fFrame = WF_UNBOUNDED_PRECEDING;
fEnd.fFrame = WF_UNBOUNDED_FOLLOWING;
}
~WF_Frame()
{
}
const std::string toString() const;
void serialize(messageqcpp::ByteStream&) const;
void unserialize(messageqcpp::ByteStream&);
WF_Boundary fStart;
WF_Boundary fEnd;
bool fIsRange; /// RANGE or ROWS
};
/**
@ -76,14 +83,18 @@ struct WF_Frame
*/
struct WF_OrderBy
{
WF_OrderBy() {}
WF_OrderBy(std::vector<SRCP> orders): fOrders(orders) {}
~WF_OrderBy() {};
const std::string toString() const;
void serialize(messageqcpp::ByteStream&) const;
void unserialize(messageqcpp::ByteStream&);
std::vector<SRCP> fOrders;
WF_Frame fFrame;
WF_OrderBy()
{
}
WF_OrderBy(std::vector<SRCP> orders) : fOrders(orders)
{
}
~WF_OrderBy(){};
const std::string toString() const;
void serialize(messageqcpp::ByteStream&) const;
void unserialize(messageqcpp::ByteStream&);
std::vector<SRCP> fOrders;
WF_Frame fFrame;
};
}
} // namespace execplan