mi_search.cc File Reference

#include "my_config.h"
#include <stdlib.h>
#include <sys/types.h>
#include "my_byteorder.h"
#include "my_compiler.h"
#include "my_dbug.h"
#include "my_inttypes.h"
#include "my_macros.h"
#include "mysql/strings/m_ctype.h"
#include "storage/myisam/fulltext.h"
#include "storage/myisam/myisamdef.h"

Macros
#define	store_pack_length(test, pos, length)

Functions
static bool	_mi_get_prev_key (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uchar *keypos, uint *return_key_length)
int	_mi_check_index (MI_INFO *info, int inx)
int	_mi_search (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_len, uint nextflag, my_off_t pos)
int	_mi_bin_search (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uint key_len, uint comp_flag, uchar **ret_pos, uchar *buff, bool *last_key)
int	_mi_seq_search (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uint key_len, uint comp_flag, uchar **ret_pos, uchar *buff, bool *last_key)
int	_mi_prefix_search (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uint key_len, uint nextflag, uchar **ret_pos, uchar *buff, bool *last_key)
my_off_t	_mi_kpos (uint nod_flag, uchar *after_key)
void	_mi_kpointer (MI_INFO *info, uchar *buff, my_off_t pos)
my_off_t	_mi_dpos (MI_INFO *info, uint nod_flag, const uchar *after_key)
my_off_t	_mi_rec_pos (MYISAM_SHARE *s, uchar *ptr)
void	_mi_dpointer (MI_INFO *info, uchar *buff, my_off_t pos)
uint	_mi_get_static_key (MI_KEYDEF *keyinfo, uint nod_flag, uchar **page, uchar *key)
uint	_mi_get_pack_key (MI_KEYDEF *keyinfo, uint nod_flag, uchar **page_pos, uchar *key)
uint	_mi_get_binary_pack_key (MI_KEYDEF *keyinfo, uint nod_flag, uchar **page_pos, uchar *key)
uchar *	_mi_get_key (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uchar *keypos, uint *return_key_length)
uchar *	_mi_get_last_key (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *lastkey, uchar *endpos, uint *return_key_length)
uint	_mi_keylength (MI_KEYDEF *keyinfo, const uchar *key)
uint	_mi_keylength_part (MI_KEYDEF *keyinfo, const uchar *key, HA_KEYSEG *end)
uchar *	_mi_move_key (MI_KEYDEF *keyinfo, uchar *to, const uchar *from)
int	_mi_search_next (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_length, uint nextflag, my_off_t pos)
int	_mi_search_first (MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos)
int	_mi_search_last (MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos)
int	_mi_calc_static_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *next_pos, uchar *org_key, uchar *prev_key, const uchar *key, MI_KEY_PARAM *s_temp)
int	_mi_calc_var_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *next_pos, uchar *org_key, uchar *prev_key, const uchar *key, MI_KEY_PARAM *s_temp)
int	_mi_calc_var_pack_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *next_key, uchar *org_key, uchar *prev_key, const uchar *key, MI_KEY_PARAM *s_temp)
int	_mi_calc_bin_pack_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *next_key, uchar *org_key, uchar *prev_key, const uchar *key, MI_KEY_PARAM *s_temp)
void	_mi_store_static_key (MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
void	_mi_store_var_pack_key (MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
void	_mi_store_bin_pack_key (MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)

Macro Definition Documentation

store_pack_length

#define store_pack_length	(		test,
			pos,
			length
	)

Value:

  {                                          \
    if (test) {                              \
      *((pos)++) = (uchar)(length);          \
    } else {                                 \
      *((pos)++) = (uchar)((length) >> 8);   \
      *((pos)++) = (uchar)(length);          \
    }                                        \
  }

Function Documentation

_mi_bin_search()

int _mi_bin_search	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	page,
		uchar *	key,
		uint	key_len,
		uint	comp_flag,
		uchar **	ret_pos,
		uchar *	buff,
		bool *	last_key
	)

_mi_calc_bin_pack_key_length()

int _mi_calc_bin_pack_key_length	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		const uchar *	next_key,
		uchar *	org_key,
		uchar *	prev_key,
		const uchar *	key,
		MI_KEY_PARAM *	s_temp
	)

_mi_calc_static_key_length()

int _mi_calc_static_key_length	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		const uchar *	next_pos,
		uchar *	org_key,
		uchar *	prev_key,
		const uchar *	key,
		MI_KEY_PARAM *	s_temp
	)

_mi_calc_var_key_length()

int _mi_calc_var_key_length	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		const uchar *	next_pos,
		uchar *	org_key,
		uchar *	prev_key,
		const uchar *	key,
		MI_KEY_PARAM *	s_temp
	)

_mi_calc_var_pack_key_length()

int _mi_calc_var_pack_key_length	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		const uchar *	next_key,
		uchar *	org_key,
		uchar *	prev_key,
		const uchar *	key,
		MI_KEY_PARAM *	s_temp
	)

_mi_check_index()

int _mi_check_index	(	MI_INFO *	info,
		int	inx
	)

_mi_dpointer()

void _mi_dpointer	(	MI_INFO *	info,
		uchar *	buff,
		my_off_t	pos
	)

_mi_dpos()

my_off_t _mi_dpos	(	MI_INFO *	info,
		uint	nod_flag,
		const uchar *	after_key
	)

_mi_get_binary_pack_key()

uint _mi_get_binary_pack_key	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		uchar **	page_pos,
		uchar *	key
	)

_mi_get_key()

uchar * _mi_get_key	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	page,
		uchar *	key,
		uchar *	keypos,
		uint *	return_key_length
	)

_mi_get_last_key()

uchar * _mi_get_last_key	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	page,
		uchar *	lastkey,
		uchar *	endpos,
		uint *	return_key_length
	)

_mi_get_pack_key()

uint _mi_get_pack_key	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		uchar **	page_pos,
		uchar *	key
	)

_mi_get_prev_key()

static bool _mi_get_prev_key ( MI_INFO *  info, MI_KEYDEF *  keyinfo, uchar *  page, uchar *  key, uchar *  keypos, uint *  return_key_length  )

static

_mi_get_static_key()

uint _mi_get_static_key	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		uchar **	page,
		uchar *	key
	)

_mi_keylength()

uint _mi_keylength	(	MI_KEYDEF *	keyinfo,
		const uchar *	key
	)

_mi_keylength_part()

uint _mi_keylength_part	(	MI_KEYDEF *	keyinfo,
		const uchar *	key,
		HA_KEYSEG *	end
	)

_mi_kpointer()

void _mi_kpointer	(	MI_INFO *	info,
		uchar *	buff,
		my_off_t	pos
	)

_mi_kpos()

my_off_t _mi_kpos	(	uint	nod_flag,
		uchar *	after_key
	)

_mi_move_key()

uchar * _mi_move_key	(	MI_KEYDEF *	keyinfo,
		uchar *	to,
		const uchar *	from
	)

_mi_prefix_search()

int _mi_prefix_search	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	page,
		uchar *	key,
		uint	key_len,
		uint	nextflag,
		uchar **	ret_pos,
		uchar *	buff,
		bool *	last_key
	)

_mi_rec_pos()

my_off_t _mi_rec_pos	(	MYISAM_SHARE *	s,
		uchar *	ptr
	)

_mi_search()

int _mi_search	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	key,
		uint	key_len,
		uint	nextflag,
		my_off_t	pos
	)

_mi_search_first()

int _mi_search_first	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		my_off_t	pos
	)

_mi_search_last()

int _mi_search_last	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		my_off_t	pos
	)

_mi_search_next()

int _mi_search_next	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	key,
		uint	key_length,
		uint	nextflag,
		my_off_t	pos
	)

_mi_seq_search()

int _mi_seq_search	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	page,
		uchar *	key,
		uint	key_len,
		uint	comp_flag,
		uchar **	ret_pos,
		uchar *	buff,
		bool *	last_key
	)

_mi_store_bin_pack_key()

void _mi_store_bin_pack_key	(	MI_KEYDEF *	keyinfo,
		uchar *	key_pos,
		MI_KEY_PARAM *	s_temp
	)

_mi_store_static_key()

void _mi_store_static_key	(	MI_KEYDEF *	keyinfo,
		uchar *	key_pos,
		MI_KEY_PARAM *	s_temp
	)

_mi_store_var_pack_key()

void _mi_store_var_pack_key	(	MI_KEYDEF *	keyinfo,
		uchar *	key_pos,
		MI_KEY_PARAM *	s_temp
	)