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

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Clases
struct	st_hash
'defines'
#define	HASH_OVERHEAD   (sizeof(char*)*2)
#define	hash_init(A, B, C, D, E, F, G, H)   _hash_init(A,B,C,D,E,F,G, H CALLER_INFO)
#define	hash_clear(H)   bzero((char*) (H),sizeof(*(H)))
#define	hash_inited(H)   ((H)->array.buffer != 0)
#define	hash_init_opt(A, B, C, D, E, F, G, H)   (!hash_inited(A) && _hash_init(A,B,C,D,E,F,G, H CALLER_INFO))
'typedefs'
typedef byte *(*	hash_get_key )(const byte *, uint *, my_bool)
typedef void(*	hash_free_key )(void *)
typedef struct st_hash	HASH
typedef uint	HASH_SEARCH_STATE
Funciones
my_bool	_hash_init (HASH *hash, CHARSET_INFO *charset, uint default_array_elements, uint key_offset, uint key_length, hash_get_key get_key, void(*free_element)(void *), uint flags CALLER_INFO_PROTO)
void	hash_free (HASH *tree)
void	my_hash_reset (HASH *hash)
byte *	hash_element (HASH *hash, uint idx)
gptr	hash_search (const HASH *info, const byte *key, uint length)
gptr	hash_first (const HASH *info, const byte *key, uint length, HASH_SEARCH_STATE *state)
gptr	hash_next (const HASH *info, const byte *key, uint length, HASH_SEARCH_STATE *state)
my_bool	my_hash_insert (HASH *info, const byte *data)
my_bool	hash_delete (HASH *hash, byte *record)
my_bool	hash_update (HASH *hash, byte *record, byte *old_key, uint old_key_length)
void	hash_replace (HASH *hash, HASH_SEARCH_STATE *state, byte *new_row)
my_bool	hash_check (HASH *hash)

---

Documentación de los 'defines'

#define hash_clear

(

H

)

bzero((char*) (H),sizeof(*(H)))

#define hash_init	(		A,
			B,
			C,
			D,
			E,
			F,
			G,
			H
	)		_hash_init(A,B,C,D,E,F,G, H CALLER_INFO)

#define hash_init_opt	(		A,
			B,
			C,
			D,
			E,
			F,
			G,
			H
	)		(!hash_inited(A) && _hash_init(A,B,C,D,E,F,G, H CALLER_INFO))

#define hash_inited

(

H

)

((H)->array.buffer != 0)

#define HASH_OVERHEAD   (sizeof(char*)*2)

---

Documentación de los 'typedefs'

typedef struct st_hash HASH

typedef void(* hash_free_key)(void *)

typedef byte*(* hash_get_key)(const byte *, uint *, my_bool)

typedef uint HASH_SEARCH_STATE

---

Documentación de las funciones

my_bool _hash_init	(	HASH *	hash,
		CHARSET_INFO *	charset,
		uint	default_array_elements,
		uint	key_offset,
		uint	key_length,
		hash_get_key	get_key,
		void(*)(void *)	free_element,
		uint flags	CALLER_INFO_PROTO
	)

my_bool hash_check

(

HASH *

hash

)

my_bool hash_delete	(	HASH *	hash,
		byte *	record
	)

byte* hash_element	(	HASH *	hash,
		uint	idx
	)

gptr hash_first	(	const HASH *	info,
		const byte *	key,
		uint	length,
		HASH_SEARCH_STATE *	state
	)

void hash_free

(

HASH *

tree

)

gptr hash_next	(	const HASH *	info,
		const byte *	key,
		uint	length,
		HASH_SEARCH_STATE *	state
	)

void hash_replace	(	HASH *	hash,
		HASH_SEARCH_STATE *	state,
		byte *	new_row
	)

gptr hash_search	(	const HASH *	info,
		const byte *	key,
		uint	length
	)

my_bool hash_update	(	HASH *	hash,
		byte *	record,
		byte *	old_key,
		uint	old_key_length
	)

my_bool my_hash_insert	(	HASH *	info,
		const byte *	data
	)

void my_hash_reset

(

HASH *

hash

)