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

浏览该文件的源代码。

组合类型
struct	st_keycache_wqueue
struct	st_key_cache
宏定义
#define	CHANGED_BLOCKS_HASH   128
类型定义
typedef struct st_block_link	BLOCK_LINK
typedef struct st_keycache_page	KEYCACHE_PAGE
typedef struct st_hash_link	HASH_LINK
typedef struct st_keycache_wqueue	KEYCACHE_WQUEUE
typedef int(*	KEYCACHE_POST_WRITE_CALLBACK )(void *arg, const uchar *buffert, uint length, my_off_t filepos)
typedef struct st_key_cache	KEY_CACHE
函数
int	init_key_cache (KEY_CACHE *keycache, uint key_cache_block_size, size_t use_mem, uint division_limit, uint age_threshold)
int	resize_key_cache (KEY_CACHE *keycache, uint key_cache_block_size, size_t use_mem, uint division_limit, uint age_threshold)
void	change_key_cache_param (KEY_CACHE *keycache, uint division_limit, uint age_threshold)
uchar *	key_cache_read (KEY_CACHE *keycache, File file, my_off_t filepos, int level, uchar *buff, uint length, uint block_length, int return_buffer)
int	key_cache_insert (KEY_CACHE *keycache, File file, my_off_t filepos, int level, uchar *buff, uint length)
int	key_cache_write (KEY_CACHE *keycache, File file, my_off_t filepos, int level, uchar *buff, uint length, uint block_length, int force_write, void *post_write_arg)
int	flush_key_blocks (KEY_CACHE *keycache, int file, enum flush_type type)
void	end_key_cache (KEY_CACHE *keycache, my_bool cleanup)
my_bool	multi_keycache_init (void)
void	multi_keycache_free (void)
KEY_CACHE *	multi_key_cache_search (uchar *key, uint length, KEY_CACHE *def)
my_bool	multi_key_cache_set (const uchar *key, uint length, KEY_CACHE *key_cache)
void	multi_key_cache_change (KEY_CACHE *old_data, KEY_CACHE *new_data)
int	reset_key_cache_counters (const char *name, KEY_CACHE *key_cache)
变量
KEY_CACHE	dflt_key_cache_var
KEY_CACHE *	dflt_key_cache

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详细描述

Key cache API

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宏定义文档

#define CHANGED_BLOCKS_HASH   128

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类型定义文档

typedef struct st_block_link BLOCK_LINK

typedef struct st_hash_link HASH_LINK

typedef struct st_key_cache KEY_CACHE

typedef struct st_keycache_page KEYCACHE_PAGE

typedef int(* KEYCACHE_POST_WRITE_CALLBACK)(void *arg, const uchar *buffert, uint length, my_off_t filepos)

Callback called when any block is flushed

typedef struct st_keycache_wqueue KEYCACHE_WQUEUE

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函数文档

void change_key_cache_param	(	KEY_CACHE *	keycache,
		uint	division_limit,
		uint	age_threshold
	)

void end_key_cache	(	KEY_CACHE *	keycache,
		my_bool	cleanup
	)

int flush_key_blocks	(	KEY_CACHE *	keycache,
		int	file,
		enum flush_type	type
	)

int init_key_cache	(	KEY_CACHE *	keycache,
		uint	key_cache_block_size,
		size_t	use_mem,
		uint	division_limit,
		uint	age_threshold
	)

int key_cache_insert	(	KEY_CACHE *	keycache,
		File	file,
		my_off_t	filepos,
		int	level,
		uchar *	buff,
		uint	length
	)

uchar* key_cache_read	(	KEY_CACHE *	keycache,
		File	file,
		my_off_t	filepos,
		int	level,
		uchar *	buff,
		uint	length,
		uint	block_length,
		int	return_buffer
	)

int key_cache_write	(	KEY_CACHE *	keycache,
		File	file,
		my_off_t	filepos,
		int	level,
		uchar *	buff,
		uint	length,
		uint	block_length,
		int	force_write,
		void *	post_write_arg
	)

void multi_key_cache_change	(	KEY_CACHE *	old_data,
		KEY_CACHE *	new_data
	)

KEY_CACHE* multi_key_cache_search	(	uchar *	key,
		uint	length,
		KEY_CACHE *	def
	)

my_bool multi_key_cache_set	(	const uchar *	key,
		uint	length,
		KEY_CACHE *	key_cache
	)

void multi_keycache_free

(

void

)

my_bool multi_keycache_init

(

void

)

int reset_key_cache_counters	(	const char *	name,
		KEY_CACHE *	key_cache
	)

int resize_key_cache	(	KEY_CACHE *	keycache,
		uint	key_cache_block_size,
		size_t	use_mem,
		uint	division_limit,
		uint	age_threshold
	)

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变量文档

KEY_CACHE * dflt_key_cache

KEY_CACHE dflt_key_cache_var