DupColumnGenerator Class Reference

Duplicate column generator. More...

#include <ExecStreamGenerator.h>

Inheritance diagram for DupColumnGenerator:

List of all members.

Public Member Functions
	DupColumnGenerator (int numDupsInit, int startValue=0)
int64_t	next ()
Private Attributes
int	numDups
int64_t	curValue

---

Detailed Description

Duplicate column generator.

Generates numDups duplicate rows per value for a column, in sequence, starting at initValue

Definition at line 391 of file ExecStreamGenerator.h.

---

Constructor & Destructor Documentation

DupColumnGenerator::DupColumnGenerator	(	int	numDupsInit,
		int	startValue = 0
	)			[inline, explicit]

Definition at line 397 of file ExecStreamGenerator.h.

References curValue, and numDups.

                                                                     {
        assert(numDupsInit > 0);
        numDups = numDupsInit;
        curValue = startValue * numDups;
    }

---

Member Function Documentation

int64_t DupColumnGenerator::next

(

)

[inline, virtual]

Implements ColumnGenerator< T >.

Definition at line 403 of file ExecStreamGenerator.h.

References curValue, and numDups.

    {
        return (curValue++ / numDups);
    }

---

Member Data Documentation

int DupColumnGenerator::numDups [private]

Definition at line 393 of file ExecStreamGenerator.h.

Referenced by DupColumnGenerator(), and next().

int64_t DupColumnGenerator::curValue [private]

Definition at line 394 of file ExecStreamGenerator.h.

Referenced by DupColumnGenerator(), and next().

---

The documentation for this class was generated from the following file:

• /home/pub/open/dev/fennel/test/ExecStreamGenerator.h

---