K:/CMGDKv18/SDK/Source/SQL/MySQL/include/hash.h文件参考

浏览该文件的源代码。

组合类型
struct	st_hash
宏定义
#define	HASH_OVERHEAD   (sizeof(char*)*2)
#define	HASH_UNIQUE   1
#define	my_hash_init(A, B, C, D, E, F, G, H)   _my_hash_init(A,0,B,C,D,E,F,G,H CALLER_INFO)
#define	my_hash_init2(A, B, C, D, E, F, G, H, I)   _my_hash_init(A,B,C,D,E,F,G,H,I CALLER_INFO)
#define	my_hash_clear(H)   bzero((char*) (H), sizeof(*(H)))
#define	my_hash_inited(H)   ((H)->array.buffer != 0)
#define	my_hash_init_opt(A, B, C, D, E, F, G, H)   (!my_hash_inited(A) && _my_hash_init(A,0,B,C,D,E,F,G, H CALLER_INFO))
类型定义
typedef uchar *(*	my_hash_get_key )(const uchar *, size_t *, my_bool)
typedef void(*	my_hash_free_key )(void *)
typedef my_bool(*	my_hash_walk_action )(void *, void *)
typedef struct st_hash	HASH
typedef uint	HASH_SEARCH_STATE
函数
my_bool	_my_hash_init (HASH *hash, uint growth_size, CHARSET_INFO *charset, ulong default_array_elements, size_t key_offset, size_t key_length, my_hash_get_key get_key, void(*free_element)(void *), uint flags CALLER_INFO_PROTO)
void	my_hash_free (HASH *tree)
void	my_hash_reset (HASH *hash)
uchar *	my_hash_element (HASH *hash, ulong idx)
uchar *	my_hash_search (const HASH *info, const uchar *key, size_t length)
uchar *	my_hash_first (const HASH *info, const uchar *key, size_t length, HASH_SEARCH_STATE *state)
uchar *	my_hash_next (const HASH *info, const uchar *key, size_t length, HASH_SEARCH_STATE *state)
my_bool	my_hash_insert (HASH *info, const uchar *data)
my_bool	my_hash_delete (HASH *hash, uchar *record)
my_bool	my_hash_update (HASH *hash, uchar *record, uchar *old_key, size_t old_key_length)
void	my_hash_replace (HASH *hash, HASH_SEARCH_STATE *state, uchar *new_row)
my_bool	my_hash_check (HASH *hash)
my_bool	my_hash_iterate (HASH *hash, my_hash_walk_action action, void *argument)

---

宏定义文档

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

#define HASH_UNIQUE   1

#define my_hash_clear

(

H

)

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

#define my_hash_init	(		A,
			B,
			C,
			D,
			E,
			F,
			G,
			H
	)		_my_hash_init(A,0,B,C,D,E,F,G,H CALLER_INFO)

#define my_hash_init2	(		A,
			B,
			C,
			D,
			E,
			F,
			G,
			H,
			I
	)		_my_hash_init(A,B,C,D,E,F,G,H,I CALLER_INFO)

#define my_hash_init_opt	(		A,
			B,
			C,
			D,
			E,
			F,
			G,
			H
	)		(!my_hash_inited(A) && _my_hash_init(A,0,B,C,D,E,F,G, H CALLER_INFO))

#define my_hash_inited

(

H

)

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

---

类型定义文档

typedef struct st_hash HASH

typedef uint HASH_SEARCH_STATE

typedef void(* my_hash_free_key)(void *)

typedef uchar*(* my_hash_get_key)(const uchar *, size_t *, my_bool)

typedef my_bool(* my_hash_walk_action)(void *, void *)

---

函数文档

my_bool _my_hash_init	(	HASH *	hash,
		uint	growth_size,
		CHARSET_INFO *	charset,
		ulong	default_array_elements,
		size_t	key_offset,
		size_t	key_length,
		my_hash_get_key	get_key,
		void(*)(void *)	free_element,
		uint flags	CALLER_INFO_PROTO
	)

my_bool my_hash_check

(

HASH *

hash

)

my_bool my_hash_delete	(	HASH *	hash,
		uchar *	record
	)

uchar* my_hash_element	(	HASH *	hash,
		ulong	idx
	)

uchar* my_hash_first	(	const HASH *	info,
		const uchar *	key,
		size_t	length,
		HASH_SEARCH_STATE *	state
	)

void my_hash_free

(

HASH *

tree

)

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

my_bool my_hash_iterate	(	HASH *	hash,
		my_hash_walk_action	action,
		void *	argument
	)

uchar* my_hash_next	(	const HASH *	info,
		const uchar *	key,
		size_t	length,
		HASH_SEARCH_STATE *	state
	)

void my_hash_replace	(	HASH *	hash,
		HASH_SEARCH_STATE *	state,
		uchar *	new_row
	)

void my_hash_reset

(

HASH *

hash

)

uchar* my_hash_search	(	const HASH *	info,
		const uchar *	key,
		size_t	length
	)

my_bool my_hash_update	(	HASH *	hash,
		uchar *	record,
		uchar *	old_key,
		size_t	old_key_length
	)