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

#include "fmgr.h"

Ir al código fuente de este archivo.

Clases
struct	ArrayType
struct	ArrayBuildState
struct	ArrayMetaState
struct	ArrayMapState
'defines'
#define	ARRAY_ELEMS_CHUNKSIZE   64
#define	DatumGetArrayTypeP(X)   ((ArrayType *) PG_DETOAST_DATUM(X))
#define	DatumGetArrayTypePCopy(X)   ((ArrayType *) PG_DETOAST_DATUM_COPY(X))
#define	PG_GETARG_ARRAYTYPE_P(n)   DatumGetArrayTypeP(PG_GETARG_DATUM(n))
#define	PG_GETARG_ARRAYTYPE_P_COPY(n)   DatumGetArrayTypePCopy(PG_GETARG_DATUM(n))
#define	PG_RETURN_ARRAYTYPE_P(x)   PG_RETURN_POINTER(x)
#define	ARR_SIZE(a)   (((ArrayType *) (a))->size)
#define	ARR_NDIM(a)   (((ArrayType *) (a))->ndim)
#define	ARR_ELEMTYPE(a)   (((ArrayType *) (a))->elemtype)
#define	ARR_DIMS(a)   ((int *) (((char *) (a)) + sizeof(ArrayType)))
#define	ARR_LBOUND(a)
#define	ARR_OVERHEAD(n)   (MAXALIGN(sizeof(ArrayType) + 2 * sizeof(int) * (n)))
#define	ARR_DATA_PTR(a)   (((char *) (a)) + ARR_OVERHEAD(ARR_NDIM(a)))
'typedefs'
typedef struct ArrayBuildState	ArrayBuildState
typedef struct ArrayMetaState	ArrayMetaState
typedef struct ArrayMapState	ArrayMapState
Funciones
Datum	array_in (PG_FUNCTION_ARGS)
Datum	array_out (PG_FUNCTION_ARGS)
Datum	array_recv (PG_FUNCTION_ARGS)
Datum	array_send (PG_FUNCTION_ARGS)
Datum	array_eq (PG_FUNCTION_ARGS)
Datum	array_ne (PG_FUNCTION_ARGS)
Datum	array_lt (PG_FUNCTION_ARGS)
Datum	array_gt (PG_FUNCTION_ARGS)
Datum	array_le (PG_FUNCTION_ARGS)
Datum	array_ge (PG_FUNCTION_ARGS)
Datum	btarraycmp (PG_FUNCTION_ARGS)
Datum	array_dims (PG_FUNCTION_ARGS)
Datum	array_lower (PG_FUNCTION_ARGS)
Datum	array_upper (PG_FUNCTION_ARGS)
Datum	array_type_coerce (PG_FUNCTION_ARGS)
Datum	array_type_length_coerce (PG_FUNCTION_ARGS)
Datum	array_length_coerce (PG_FUNCTION_ARGS)
Datum	array_larger (PG_FUNCTION_ARGS)
Datum	array_smaller (PG_FUNCTION_ARGS)
Datum	array_ref (ArrayType *array, int nSubscripts, int *indx, int arraylen, int elmlen, bool elmbyval, char elmalign, bool *isNull)
ArrayType *	array_set (ArrayType *array, int nSubscripts, int *indx, Datum dataValue, int arraylen, int elmlen, bool elmbyval, char elmalign, bool *isNull)
ArrayType *	array_get_slice (ArrayType *array, int nSubscripts, int *upperIndx, int *lowerIndx, int arraylen, int elmlen, bool elmbyval, char elmalign, bool *isNull)
ArrayType *	array_set_slice (ArrayType *array, int nSubscripts, int *upperIndx, int *lowerIndx, ArrayType *srcArray, int arraylen, int elmlen, bool elmbyval, char elmalign, bool *isNull)
Datum	array_map (FunctionCallInfo fcinfo, Oid inpType, Oid retType, ArrayMapState *amstate)
ArrayType *	construct_array (Datum *elems, int nelems, Oid elmtype, int elmlen, bool elmbyval, char elmalign)
ArrayType *	construct_md_array (Datum *elems, int ndims, int *dims, int *lbs, Oid elmtype, int elmlen, bool elmbyval, char elmalign)
void	deconstruct_array (ArrayType *array, Oid elmtype, int elmlen, bool elmbyval, char elmalign, Datum **elemsp, int *nelemsp)
ArrayBuildState *	accumArrayResult (ArrayBuildState *astate, Datum dvalue, bool disnull, Oid element_type, MemoryContext rcontext)
Datum	makeArrayResult (ArrayBuildState *astate, MemoryContext rcontext)
Datum	makeMdArrayResult (ArrayBuildState *astate, int ndims, int *dims, int *lbs, MemoryContext rcontext)
int	ArrayGetOffset (int n, int *dim, int *lb, int *indx)
int	ArrayGetOffset0 (int n, int *tup, int *scale)
int	ArrayGetNItems (int ndims, int *dims)
void	mda_get_range (int n, int *span, int *st, int *endp)
void	mda_get_prod (int n, int *range, int *prod)
void	mda_get_offset_values (int n, int *dist, int *prod, int *span)
int	mda_next_tuple (int n, int *curr, int *span)
Datum	array_push (PG_FUNCTION_ARGS)
Datum	array_cat (PG_FUNCTION_ARGS)
ArrayType *	create_singleton_array (FunctionCallInfo fcinfo, Oid element_type, Datum element, int ndims)

---

Documentación de los 'defines'

#define ARR_DATA_PTR

(

a

)

(((char *) (a)) + ARR_OVERHEAD(ARR_NDIM(a)))

#define ARR_DIMS

(

a

)

((int *) (((char *) (a)) + sizeof(ArrayType)))

#define ARR_ELEMTYPE

(

a

)

(((ArrayType *) (a))->elemtype)

#define ARR_LBOUND

(

a

)

Valor:

((int *) (((char *) (a)) + sizeof(ArrayType) + \
                                  (sizeof(int) * ARR_NDIM(a))))

#define ARR_NDIM

(

a

)

(((ArrayType *) (a))->ndim)

#define ARR_OVERHEAD

(

n

)

(MAXALIGN(sizeof(ArrayType) + 2 * sizeof(int) * (n)))

#define ARR_SIZE

(

a

)

(((ArrayType *) (a))->size)

#define ARRAY_ELEMS_CHUNKSIZE   64

#define DatumGetArrayTypeP

(

X

)

((ArrayType *) PG_DETOAST_DATUM(X))

#define DatumGetArrayTypePCopy

(

X

)

((ArrayType *) PG_DETOAST_DATUM_COPY(X))

#define PG_GETARG_ARRAYTYPE_P

(

n

)

DatumGetArrayTypeP(PG_GETARG_DATUM(n))

#define PG_GETARG_ARRAYTYPE_P_COPY

(

n

)

DatumGetArrayTypePCopy(PG_GETARG_DATUM(n))

#define PG_RETURN_ARRAYTYPE_P

(

x

)

PG_RETURN_POINTER(x)

---

Documentación de los 'typedefs'

typedef struct ArrayBuildState ArrayBuildState

typedef struct ArrayMapState ArrayMapState

typedef struct ArrayMetaState ArrayMetaState

---

Documentación de las funciones

ArrayBuildState* accumArrayResult	(	ArrayBuildState *	astate,
		Datum	dvalue,
		bool	disnull,
		Oid	element_type,
		MemoryContext	rcontext
	)

Datum array_cat

(

PG_FUNCTION_ARGS

)

Datum array_dims

(

PG_FUNCTION_ARGS

)

Datum array_eq

(

PG_FUNCTION_ARGS

)

Datum array_ge

(

PG_FUNCTION_ARGS

)

ArrayType* array_get_slice	(	ArrayType *	array,
		int	nSubscripts,
		int *	upperIndx,
		int *	lowerIndx,
		int	arraylen,
		int	elmlen,
		bool	elmbyval,
		char	elmalign,
		bool *	isNull
	)

Datum array_gt

(

PG_FUNCTION_ARGS

)

Datum array_in

(

PG_FUNCTION_ARGS

)

Datum array_larger

(

PG_FUNCTION_ARGS

)

Datum array_le

(

PG_FUNCTION_ARGS

)

Datum array_length_coerce

(

PG_FUNCTION_ARGS

)

Datum array_lower

(

PG_FUNCTION_ARGS

)

Datum array_lt

(

PG_FUNCTION_ARGS

)

Datum array_map	(	FunctionCallInfo	fcinfo,
		Oid	inpType,
		Oid	retType,
		ArrayMapState *	amstate
	)

Datum array_ne

(

PG_FUNCTION_ARGS

)

Datum array_out

(

PG_FUNCTION_ARGS

)

Datum array_push

(

PG_FUNCTION_ARGS

)

Datum array_recv

(

PG_FUNCTION_ARGS

)

Datum array_ref	(	ArrayType *	array,
		int	nSubscripts,
		int *	indx,
		int	arraylen,
		int	elmlen,
		bool	elmbyval,
		char	elmalign,
		bool *	isNull
	)

Datum array_send

(

PG_FUNCTION_ARGS

)

ArrayType* array_set	(	ArrayType *	array,
		int	nSubscripts,
		int *	indx,
		Datum	dataValue,
		int	arraylen,
		int	elmlen,
		bool	elmbyval,
		char	elmalign,
		bool *	isNull
	)

ArrayType* array_set_slice	(	ArrayType *	array,
		int	nSubscripts,
		int *	upperIndx,
		int *	lowerIndx,
		ArrayType *	srcArray,
		int	arraylen,
		int	elmlen,
		bool	elmbyval,
		char	elmalign,
		bool *	isNull
	)

Datum array_smaller

(

PG_FUNCTION_ARGS

)

Datum array_type_coerce

(

PG_FUNCTION_ARGS

)

Datum array_type_length_coerce

(

PG_FUNCTION_ARGS

)

Datum array_upper

(

PG_FUNCTION_ARGS

)

int ArrayGetNItems	(	int	ndims,
		int *	dims
	)

int ArrayGetOffset	(	int	n,
		int *	dim,
		int *	lb,
		int *	indx
	)

int ArrayGetOffset0	(	int	n,
		int *	tup,
		int *	scale
	)

Datum btarraycmp

(

PG_FUNCTION_ARGS

)

ArrayType* construct_array	(	Datum *	elems,
		int	nelems,
		Oid	elmtype,
		int	elmlen,
		bool	elmbyval,
		char	elmalign
	)

ArrayType* construct_md_array	(	Datum *	elems,
		int	ndims,
		int *	dims,
		int *	lbs,
		Oid	elmtype,
		int	elmlen,
		bool	elmbyval,
		char	elmalign
	)

ArrayType* create_singleton_array	(	FunctionCallInfo	fcinfo,
		Oid	element_type,
		Datum	element,
		int	ndims
	)

void deconstruct_array	(	ArrayType *	array,
		Oid	elmtype,
		int	elmlen,
		bool	elmbyval,
		char	elmalign,
		Datum **	elemsp,
		int *	nelemsp
	)

Datum makeArrayResult	(	ArrayBuildState *	astate,
		MemoryContext	rcontext
	)

Datum makeMdArrayResult	(	ArrayBuildState *	astate,
		int	ndims,
		int *	dims,
		int *	lbs,
		MemoryContext	rcontext
	)

void mda_get_offset_values	(	int	n,
		int *	dist,
		int *	prod,
		int *	span
	)

void mda_get_prod	(	int	n,
		int *	range,
		int *	prod
	)

void mda_get_range	(	int	n,
		int *	span,
		int *	st,
		int *	endp
	)

int mda_next_tuple	(	int	n,
		int *	curr,
		int *	span
	)