Referencia del Archivo src/libpq/include/utils/varbit.h

#include "fmgr.h"

Ir al código fuente de este archivo.

Clases
struct	VarBit
'defines'
#define	DatumGetVarBitP(X)   ((VarBit *) PG_DETOAST_DATUM(X))
#define	DatumGetVarBitPCopy(X)   ((VarBit *) PG_DETOAST_DATUM_COPY(X))
#define	VarBitPGetDatum(X)   PointerGetDatum(X)
#define	PG_GETARG_VARBIT_P(n)   DatumGetVarBitP(PG_GETARG_DATUM(n))
#define	PG_GETARG_VARBIT_P_COPY(n)   DatumGetVarBitPCopy(PG_GETARG_DATUM(n))
#define	PG_RETURN_VARBIT_P(x)   return VarBitPGetDatum(x)
#define	VARBITHDRSZ   sizeof(int32)
#define	VARBITLEN(PTR)   (((VarBit *) (PTR))->bit_len)
#define	VARBITS(PTR)   (((VarBit *) (PTR))->bit_dat)
#define	VARBITBYTES(PTR)   (VARSIZE(PTR) - VARHDRSZ - VARBITHDRSZ)
#define	VARBITPAD(PTR)   (VARBITBYTES(PTR)*BITS_PER_BYTE - VARBITLEN(PTR))
#define	VARBITTOTALLEN(BITLEN)
#define	VARBITEND(PTR)   (((bits8 *) (PTR)) + VARSIZE(PTR))
#define	BITMASK   0xFF
#define	BITHIGH   0x80
Funciones
Datum	bit_in (PG_FUNCTION_ARGS)
Datum	bit_out (PG_FUNCTION_ARGS)
Datum	bit_recv (PG_FUNCTION_ARGS)
Datum	bit_send (PG_FUNCTION_ARGS)
Datum	varbit_in (PG_FUNCTION_ARGS)
Datum	varbit_out (PG_FUNCTION_ARGS)
Datum	varbit_recv (PG_FUNCTION_ARGS)
Datum	varbit_send (PG_FUNCTION_ARGS)
Datum	bit (PG_FUNCTION_ARGS)
Datum	varbit (PG_FUNCTION_ARGS)
Datum	biteq (PG_FUNCTION_ARGS)
Datum	bitne (PG_FUNCTION_ARGS)
Datum	bitlt (PG_FUNCTION_ARGS)
Datum	bitle (PG_FUNCTION_ARGS)
Datum	bitgt (PG_FUNCTION_ARGS)
Datum	bitge (PG_FUNCTION_ARGS)
Datum	bitcmp (PG_FUNCTION_ARGS)
Datum	bitand (PG_FUNCTION_ARGS)
Datum	bitor (PG_FUNCTION_ARGS)
Datum	bitxor (PG_FUNCTION_ARGS)
Datum	bitnot (PG_FUNCTION_ARGS)
Datum	bitshiftleft (PG_FUNCTION_ARGS)
Datum	bitshiftright (PG_FUNCTION_ARGS)
Datum	bitcat (PG_FUNCTION_ARGS)
Datum	bitsubstr (PG_FUNCTION_ARGS)
Datum	bitlength (PG_FUNCTION_ARGS)
Datum	bitoctetlength (PG_FUNCTION_ARGS)
Datum	bitfromint4 (PG_FUNCTION_ARGS)
Datum	bittoint4 (PG_FUNCTION_ARGS)
Datum	bitfromint8 (PG_FUNCTION_ARGS)
Datum	bittoint8 (PG_FUNCTION_ARGS)
Datum	bitposition (PG_FUNCTION_ARGS)

---

Documentación de los 'defines'

#define BITHIGH   0x80

#define BITMASK   0xFF

#define DatumGetVarBitP

(

X

)

((VarBit *) PG_DETOAST_DATUM(X))

#define DatumGetVarBitPCopy

(

X

)

((VarBit *) PG_DETOAST_DATUM_COPY(X))

#define PG_GETARG_VARBIT_P

(

n

)

DatumGetVarBitP(PG_GETARG_DATUM(n))

#define PG_GETARG_VARBIT_P_COPY

(

n

)

DatumGetVarBitPCopy(PG_GETARG_DATUM(n))

#define PG_RETURN_VARBIT_P

(

x

)

return VarBitPGetDatum(x)

#define VARBITBYTES

(

PTR

)

(VARSIZE(PTR) - VARHDRSZ - VARBITHDRSZ)

#define VARBITEND

(

PTR

)

(((bits8 *) (PTR)) + VARSIZE(PTR))

#define VARBITHDRSZ   sizeof(int32)

#define VARBITLEN

(

PTR

)

(((VarBit *) (PTR))->bit_len)

#define VARBITPAD

(

PTR

)

(VARBITBYTES(PTR)*BITS_PER_BYTE - VARBITLEN(PTR))

#define VarBitPGetDatum

(

X

)

PointerGetDatum(X)

#define VARBITS

(

PTR

)

(((VarBit *) (PTR))->bit_dat)

#define VARBITTOTALLEN

(

BITLEN

)

Valor:

(((BITLEN) + BITS_PER_BYTE-1)/BITS_PER_BYTE + \
                                                                 VARHDRSZ + VARBITHDRSZ)

---

Documentación de las funciones

Datum bit

(

PG_FUNCTION_ARGS

)

Datum bit_in

(

PG_FUNCTION_ARGS

)

Datum bit_out

(

PG_FUNCTION_ARGS

)

Datum bit_recv

(

PG_FUNCTION_ARGS

)

Datum bit_send

(

PG_FUNCTION_ARGS

)

Datum bitand

(

PG_FUNCTION_ARGS

)

Datum bitcat

(

PG_FUNCTION_ARGS

)

Datum bitcmp

(

PG_FUNCTION_ARGS

)

Datum biteq

(

PG_FUNCTION_ARGS

)

Datum bitfromint4

(

PG_FUNCTION_ARGS

)

Datum bitfromint8

(

PG_FUNCTION_ARGS

)

Datum bitge

(

PG_FUNCTION_ARGS

)

Datum bitgt

(

PG_FUNCTION_ARGS

)

Datum bitle

(

PG_FUNCTION_ARGS

)

Datum bitlength

(

PG_FUNCTION_ARGS

)

Datum bitlt

(

PG_FUNCTION_ARGS

)

Datum bitne

(

PG_FUNCTION_ARGS

)

Datum bitnot

(

PG_FUNCTION_ARGS

)

Datum bitoctetlength

(

PG_FUNCTION_ARGS

)

Datum bitor

(

PG_FUNCTION_ARGS

)

Datum bitposition

(

PG_FUNCTION_ARGS

)

Datum bitshiftleft

(

PG_FUNCTION_ARGS

)

Datum bitshiftright

(

PG_FUNCTION_ARGS

)

Datum bitsubstr

(

PG_FUNCTION_ARGS

)

Datum bittoint4

(

PG_FUNCTION_ARGS

)

Datum bittoint8

(

PG_FUNCTION_ARGS

)

Datum bitxor

(

PG_FUNCTION_ARGS

)

Datum varbit

(

PG_FUNCTION_ARGS

)

Datum varbit_in

(

PG_FUNCTION_ARGS

)

Datum varbit_out

(

PG_FUNCTION_ARGS

)

Datum varbit_recv

(

PG_FUNCTION_ARGS

)

Datum varbit_send

(

PG_FUNCTION_ARGS

)