hp_hash.cc File Reference

#include <inttypes.h>
#include <sys/types.h>
#include <algorithm>
#include <cmath>
#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/heap/heapdef.h"

Macros
#define	FIX_LENGTH(cs, pos, length, char_length)

Functions
ha_rows	hp_rb_records_in_range (HP_INFO *info, int inx, key_range *min_key, key_range *max_key)
uchar *	hp_search (HP_INFO *info, HP_KEYDEF *keyinfo, const uchar *key, uint nextflag)
uchar *	hp_search_next (HP_INFO *info, HP_KEYDEF *keyinfo, const uchar *key, HASH_INFO *pos)
uint64	hp_mask (uint64 hashnr, uint64 buffmax, uint64 maxlength)
void	hp_movelink (HASH_INFO *pos, HASH_INFO *next_link, HASH_INFO *newlink)
uint64	hp_hashnr (HP_KEYDEF *keydef, const uchar *key)
uint64	hp_rec_hashnr (HP_KEYDEF *keydef, const uchar *rec)
int	hp_rec_key_cmp (HP_KEYDEF *keydef, const uchar *rec1, const uchar *rec2)
int	hp_key_cmp (HP_KEYDEF *keydef, const uchar *rec, const uchar *key)
void	hp_make_key (HP_KEYDEF *keydef, uchar *key, const uchar *rec)
uint	hp_rb_make_key (HP_KEYDEF *keydef, uchar *key, const uchar *rec, uchar *recpos)
uint	hp_rb_pack_key (const HP_KEYDEF *keydef, uchar *key, const uchar *old, key_part_map keypart_map)
uint	hp_rb_key_length (HP_KEYDEF *keydef, const uchar *key)
uint	hp_rb_null_key_length (HP_KEYDEF *keydef, const uchar *key)
uint	hp_rb_var_key_length (HP_KEYDEF *keydef, const uchar *key)
bool	hp_if_null_in_key (HP_KEYDEF *keydef, const uchar *record)
void	heap_update_auto_increment (HP_INFO *info, const uchar *record)

Macro Definition Documentation

FIX_LENGTH

#define FIX_LENGTH	(		cs,
			pos,
			length,
			char_length
	)

Value:

  do {                                                              \
    if (length > char_length)                                       \
      char_length = my_charpos(cs, pos, pos + length, char_length); \
    char_length = std::min(char_length, size_t(length));            \
  } while (0)

Function Documentation

heap_update_auto_increment()

void heap_update_auto_increment	(	HP_INFO *	info,
		const uchar *	record
	)

hp_hashnr()

uint64 hp_hashnr	(	HP_KEYDEF *	keydef,
		const uchar *	key
	)

hp_if_null_in_key()

bool hp_if_null_in_key	(	HP_KEYDEF *	keydef,
		const uchar *	record
	)

hp_key_cmp()

int hp_key_cmp	(	HP_KEYDEF *	keydef,
		const uchar *	rec,
		const uchar *	key
	)

hp_make_key()

void hp_make_key	(	HP_KEYDEF *	keydef,
		uchar *	key,
		const uchar *	rec
	)

hp_mask()

uint64 hp_mask	(	uint64	hashnr,
		uint64	buffmax,
		uint64	maxlength
	)

hp_movelink()

void hp_movelink	(	HASH_INFO *	pos,
		HASH_INFO *	next_link,
		HASH_INFO *	newlink
	)

hp_rb_key_length()

uint hp_rb_key_length	(	HP_KEYDEF *	keydef,
		const uchar *	key
	)

hp_rb_make_key()

uint hp_rb_make_key	(	HP_KEYDEF *	keydef,
		uchar *	key,
		const uchar *	rec,
		uchar *	recpos
	)

hp_rb_null_key_length()

uint hp_rb_null_key_length	(	HP_KEYDEF *	keydef,
		const uchar *	key
	)

hp_rb_pack_key()

uint hp_rb_pack_key	(	const HP_KEYDEF *	keydef,
		uchar *	key,
		const uchar *	old,
		key_part_map	keypart_map
	)

hp_rb_records_in_range()

ha_rows hp_rb_records_in_range	(	HP_INFO *	info,
		int	inx,
		key_range *	min_key,
		key_range *	max_key
	)

hp_rb_var_key_length()

uint hp_rb_var_key_length	(	HP_KEYDEF *	keydef,
		const uchar *	key
	)

hp_rec_hashnr()

uint64 hp_rec_hashnr	(	HP_KEYDEF *	keydef,
		const uchar *	rec
	)

hp_rec_key_cmp()

int hp_rec_key_cmp	(	HP_KEYDEF *	keydef,
		const uchar *	rec1,
		const uchar *	rec2
	)

hp_search()

uchar * hp_search	(	HP_INFO *	info,
		HP_KEYDEF *	keyinfo,
		const uchar *	key,
		uint	nextflag
	)

hp_search_next()

uchar * hp_search_next	(	HP_INFO *	info,
		HP_KEYDEF *	keyinfo,
		const uchar *	key,
		HASH_INFO *	pos
	)