off.h File Reference

#include "storage/itemid.h"

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Macros
#define	InvalidOffsetNumber   ((OffsetNumber) 0)
#define	FirstOffsetNumber   ((OffsetNumber) 1)
#define	MaxOffsetNumber   ((OffsetNumber) (BLCKSZ / sizeof(ItemIdData)))
#define	OffsetNumberIsValid(offsetNumber)
#define	OffsetNumberNext(offsetNumber)    ((OffsetNumber) (1 + (offsetNumber)))
#define	OffsetNumberPrev(offsetNumber)    ((OffsetNumber) (-1 + (offsetNumber)))

Typedefs
typedef uint16	OffsetNumber

Macro Definition Documentation

FirstOffsetNumber

#define FirstOffsetNumber   ((OffsetNumber) 1)

Definition at line 27 of file off.h.

InvalidOffsetNumber

#define InvalidOffsetNumber   ((OffsetNumber) 0)

Definition at line 26 of file off.h.

MaxOffsetNumber

#define MaxOffsetNumber   ((OffsetNumber) (BLCKSZ / sizeof(ItemIdData)))

Definition at line 28 of file off.h.

OffsetNumberIsValid

#define OffsetNumberIsValid

(

offsetNumber

)

Value:

    ((bool) ((offsetNumber != InvalidOffsetNumber) && \
             (offsetNumber <= MaxOffsetNumber)))

Definition at line 39 of file off.h.

OffsetNumberNext

#define OffsetNumberNext

(

offsetNumber

)

((OffsetNumber) (1 + (offsetNumber)))

Definition at line 52 of file off.h.

OffsetNumberPrev

#define OffsetNumberPrev

(

offsetNumber

)

((OffsetNumber) (-1 + (offsetNumber)))

Definition at line 54 of file off.h.

Typedef Documentation

OffsetNumber

typedef uint16 OffsetNumber

Definition at line 24 of file off.h.