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MCOL-523 Add UDAF and UDAnF SDK

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This commit is contained in:
David Hall
2017-07-26 11:53:08 -05:00
parent 630b113565
commit bc2a4e7795
75 changed files with 10250 additions and 4523 deletions
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62
dbcon/execplan/windowfunctioncolumn.h Normal file → Executable file
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@ -31,6 +31,8 @@
#include "returnedcolumn.h"
#include "functor.h"
#include "mcsv1_udaf.h"
#include "wf_frame.h"
namespace messageqcpp {
class ByteStream;
@ -41,61 +43,6 @@ class ByteStream;
*/
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
};
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;
};
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
};
/**
* @brief A class to represent the order by clause of window function
*/
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;
};
/**
* @brief A class to represent a functional column
*
@ -182,6 +129,9 @@ public:
virtual bool hasWindowFunc();
void adjustResultType();
// UDAnF support
mcsv1sdk::mcsv1Context& getUDAFContext() {return udafContext;}
private:
/**
* Fields
@ -197,6 +147,8 @@ private:
virtual bool operator!=(const TreeNode* t) const { return false; }
bool operator!=(const WindowFunctionColumn& t) const;
// UDAnF support
mcsv1sdk::mcsv1Context udafContext;
/***********************************************************
* F&E framework *
***********************************************************/