Referencia del Archivo src/libmysql_std/include/nisam.h

#include <my_base.h>

Ir al código fuente de este archivo.

Clases
struct	st_n_isaminfo
struct	st_n_save_keyseg
struct	st_n_save_keydef
struct	st_n_save_recinfo
struct	st_n_keyseg
struct	st_n_keydef
struct	st_decode_tree
struct	st_n_recinfo
'defines'
#define	N_MAXKEY   16
#define	N_MAXKEY_SEG   16
#define	N_MAX_KEY_LENGTH   256
#define	N_MAX_KEY_BUFF   (N_MAX_KEY_LENGTH+N_MAXKEY_SEG+sizeof(double)-1)
#define	N_MAX_POSSIBLE_KEY_BUFF   500+9
#define	N_NAME_IEXT   ".ISM"
#define	N_NAME_DEXT   ".ISD"
#define	NI_POS_ERROR   (~ (ulong) 0)
'typedefs'
typedef struct st_n_isaminfo	N_ISAMINFO
typedef struct st_n_save_keyseg	N_SAVE_KEYSEG
typedef struct st_n_save_keydef	N_SAVE_KEYDEF
typedef struct st_n_save_recinfo	N_SAVE_RECINFO
typedef struct st_isam_info	N_INFO
typedef struct st_n_keyseg	N_KEYSEG
typedef struct st_n_keydef	N_KEYDEF
typedef struct st_decode_tree	DECODE_TREE
typedef struct st_n_recinfo	N_RECINFO
Funciones
int	nisam_close (struct st_isam_info *file)
int	nisam_delete (struct st_isam_info *file, const byte *buff)
struct st_isam_info *	nisam_open (const char *name, int mode, uint wait_if_locked)
int	nisam_panic (enum ha_panic_function function)
int	nisam_rfirst (struct st_isam_info *file, byte *buf, int inx)
int	nisam_rkey (struct st_isam_info *file, byte *buf, int inx, const byte *key, uint key_len, enum ha_rkey_function search_flag)
int	nisam_rlast (struct st_isam_info *file, byte *buf, int inx)
int	nisam_rnext (struct st_isam_info *file, byte *buf, int inx)
int	nisam_rprev (struct st_isam_info *file, byte *buf, int inx)
int	nisam_rrnd (struct st_isam_info *file, byte *buf, ulong pos)
int	nisam_rsame (struct st_isam_info *file, byte *record, int inx)
int	nisam_rsame_with_pos (struct st_isam_info *file, byte *record, int inx, ulong pos)
int	nisam_update (struct st_isam_info *file, const byte *old, const byte *new_record)
int	nisam_write (struct st_isam_info *file, const byte *buff)
int	nisam_info (struct st_isam_info *file, N_ISAMINFO *x, int flag)
ulong	nisam_position (struct st_isam_info *info)
int	nisam_lock_database (struct st_isam_info *file, int lock_type)
int	nisam_create (const char *name, uint keys, N_KEYDEF *keyinfo, N_RECINFO *recinfo, ulong records, ulong reloc, uint flags, uint options, ulong data_file_length)
int	nisam_extra (struct st_isam_info *file, enum ha_extra_function function)
ulong	nisam_records_in_range (struct st_isam_info *info, int inx, const byte *start_key, uint start_key_len, enum ha_rkey_function start_search_flag, const byte *end_key, uint end_key_len, enum ha_rkey_function end_search_flag)
int	nisam_log (int activate_log)
int	nisam_is_changed (struct st_isam_info *info)
uint	_calc_blob_length (uint length, const byte *pos)
Variables
my_string	nisam_log_filename
uint	nisam_block_size
my_bool	nisam_flush

---

Documentación de los 'defines'

#define N_MAX_KEY_BUFF   (N_MAX_KEY_LENGTH+N_MAXKEY_SEG+sizeof(double)-1)

#define N_MAX_KEY_LENGTH   256

#define N_MAX_POSSIBLE_KEY_BUFF   500+9

#define N_MAXKEY   16

#define N_MAXKEY_SEG   16

#define N_NAME_DEXT   ".ISD"

#define N_NAME_IEXT   ".ISM"

#define NI_POS_ERROR   (~ (ulong) 0)

---

Documentación de los 'typedefs'

typedef struct st_decode_tree DECODE_TREE

typedef struct st_isam_info N_INFO

typedef struct st_n_isaminfo N_ISAMINFO

typedef struct st_n_keydef N_KEYDEF

typedef struct st_n_keyseg N_KEYSEG

typedef struct st_n_recinfo N_RECINFO

typedef struct st_n_save_keydef N_SAVE_KEYDEF

typedef struct st_n_save_keyseg N_SAVE_KEYSEG

typedef struct st_n_save_recinfo N_SAVE_RECINFO

---

Documentación de las funciones

uint _calc_blob_length	(	uint	length,
		const byte *	pos
	)

int nisam_close

(

struct st_isam_info *

file

)

int nisam_create	(	const char *	name,
		uint	keys,
		N_KEYDEF *	keyinfo,
		N_RECINFO *	recinfo,
		ulong	records,
		ulong	reloc,
		uint	flags,
		uint	options,
		ulong	data_file_length
	)

int nisam_delete	(	struct st_isam_info *	file,
		const byte *	buff
	)

int nisam_extra	(	struct st_isam_info *	file,
		enum ha_extra_function	function
	)

int nisam_info	(	struct st_isam_info *	file,
		N_ISAMINFO *	x,
		int	flag
	)

int nisam_is_changed

(

struct st_isam_info *

info

)

int nisam_lock_database	(	struct st_isam_info *	file,
		int	lock_type
	)

int nisam_log

(

int

activate_log

)

struct st_isam_info* nisam_open	(	const char *	name,
		int	mode,
		uint	wait_if_locked
	)		[read]

int nisam_panic

(

enum ha_panic_function

function

)

ulong nisam_position

(

struct st_isam_info *

info

)

ulong nisam_records_in_range	(	struct st_isam_info *	info,
		int	inx,
		const byte *	start_key,
		uint	start_key_len,
		enum ha_rkey_function	start_search_flag,
		const byte *	end_key,
		uint	end_key_len,
		enum ha_rkey_function	end_search_flag
	)

int nisam_rfirst	(	struct st_isam_info *	file,
		byte *	buf,
		int	inx
	)

int nisam_rkey	(	struct st_isam_info *	file,
		byte *	buf,
		int	inx,
		const byte *	key,
		uint	key_len,
		enum ha_rkey_function	search_flag
	)

int nisam_rlast	(	struct st_isam_info *	file,
		byte *	buf,
		int	inx
	)

int nisam_rnext	(	struct st_isam_info *	file,
		byte *	buf,
		int	inx
	)

int nisam_rprev	(	struct st_isam_info *	file,
		byte *	buf,
		int	inx
	)

int nisam_rrnd	(	struct st_isam_info *	file,
		byte *	buf,
		ulong	pos
	)

int nisam_rsame	(	struct st_isam_info *	file,
		byte *	record,
		int	inx
	)

int nisam_rsame_with_pos	(	struct st_isam_info *	file,
		byte *	record,
		int	inx,
		ulong	pos
	)

int nisam_update	(	struct st_isam_info *	file,
		const byte *	old,
		const byte *	new_record
	)

int nisam_write	(	struct st_isam_info *	file,
		const byte *	buff
	)

---

Documentación de las variables

uint nisam_block_size

my_bool nisam_flush

my_string nisam_log_filename