mi_dynrec.cc File Reference

#include "my_config.h"
#include <fcntl.h>
#include <sys/types.h>
#include <algorithm>
#include "my_byteorder.h"
#include "my_compiler.h"
#include "my_dbug.h"
#include "my_inttypes.h"
#include "my_io.h"
#include "my_macros.h"
#include "my_pointer_arithmetic.h"
#include "sql/field.h"
#include "storage/myisam/myisam_sys.h"
#include "storage/myisam/myisamdef.h"

Functions
static int	write_dynamic_record (MI_INFO *info, uchar *record, ulong reclength)
static int	_mi_find_writepos (MI_INFO *info, ulong reclength, my_off_t *filepos, ulong *length)
static int	update_dynamic_record (MI_INFO *info, my_off_t filepos, uchar *record, ulong reclength)
static int	delete_dynamic_record (MI_INFO *info, my_off_t filepos, uint second_read)
static int	_mi_cmp_buffer (File file, const uchar *buff, my_off_t filepos, uint length)
bool	mi_dynmap_file (MI_INFO *info, my_off_t size)
int	mi_munmap_file (MI_INFO *info)
void	mi_remap_file (MI_INFO *info, my_off_t size)
size_t	mi_mmap_pread (MI_INFO *info, uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
size_t	mi_nommap_pread (MI_INFO *info, uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
size_t	mi_mmap_pwrite (MI_INFO *info, const uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
size_t	mi_nommap_pwrite (MI_INFO *info, const uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
int	_mi_write_dynamic_record (MI_INFO *info, const uchar *record)
int	_mi_update_dynamic_record (MI_INFO *info, my_off_t pos, const uchar *record)
int	_mi_write_blob_record (MI_INFO *info, const uchar *record)
int	_mi_update_blob_record (MI_INFO *info, my_off_t pos, const uchar *record)
int	_mi_delete_dynamic_record (MI_INFO *info)
static bool	unlink_deleted_block (MI_INFO *info, MI_BLOCK_INFO *block_info)
static int	update_backward_delete_link (MI_INFO *info, my_off_t delete_block, my_off_t filepos)
int	_mi_write_part_record (MI_INFO *info, my_off_t filepos, ulong length, my_off_t next_filepos, uchar **record, ulong *reclength, int *flag)
uint	_mi_rec_pack (MI_INFO *info, uchar *to, const uchar *from)
bool	_mi_rec_check (MI_INFO *info, const uchar *record, uchar *rec_buff, ulong packed_length, bool with_checksum)
size_t	_mi_rec_unpack (MI_INFO *info, uchar *to, const uchar *from, ulong found_length)
ulong	_my_calc_total_blob_length (MI_INFO *info, const uchar *record)
ulong	_mi_calc_blob_length (uint length, const uchar *pos)
void	_mi_store_blob_length (uchar *pos, uint pack_length, uint length)
int	_mi_read_dynamic_record (MI_INFO *info, my_off_t filepos, uchar *buf)
int	_mi_cmp_dynamic_unique (MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
int	_mi_cmp_dynamic_record (MI_INFO *info, const uchar *record)
int	_mi_read_rnd_dynamic_record (MI_INFO *info, uchar *buf, my_off_t filepos, bool skip_deleted_blocks)
uint	_mi_get_block_info (MI_BLOCK_INFO *info, File file, my_off_t filepos)

Variables
static char	zero_string [] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}

Function Documentation

_mi_calc_blob_length()

ulong _mi_calc_blob_length	(	uint	length,
		const uchar *	pos
	)

_mi_cmp_buffer()

static int _mi_cmp_buffer ( File  file, const uchar *  buff, my_off_t  filepos, uint  length  )

static

_mi_cmp_dynamic_record()

int _mi_cmp_dynamic_record	(	MI_INFO *	info,
		const uchar *	record
	)

_mi_cmp_dynamic_unique()

int _mi_cmp_dynamic_unique	(	MI_INFO *	info,
		MI_UNIQUEDEF *	def,
		const uchar *	record,
		my_off_t	pos
	)

_mi_delete_dynamic_record()

int _mi_delete_dynamic_record

(

MI_INFO *

info

)

_mi_find_writepos()

static int _mi_find_writepos ( MI_INFO *  info, ulong  reclength, my_off_t *  filepos, ulong *  length  )

static

_mi_get_block_info()

uint _mi_get_block_info	(	MI_BLOCK_INFO *	info,
		File	file,
		my_off_t	filepos
	)

_mi_read_dynamic_record()

int _mi_read_dynamic_record	(	MI_INFO *	info,
		my_off_t	filepos,
		uchar *	buf
	)

_mi_read_rnd_dynamic_record()

int _mi_read_rnd_dynamic_record	(	MI_INFO *	info,
		uchar *	buf,
		my_off_t	filepos,
		bool	skip_deleted_blocks
	)

_mi_rec_check()

bool _mi_rec_check	(	MI_INFO *	info,
		const uchar *	record,
		uchar *	rec_buff,
		ulong	packed_length,
		bool	with_checksum
	)

_mi_rec_pack()

uint _mi_rec_pack	(	MI_INFO *	info,
		uchar *	to,
		const uchar *	from
	)

_mi_rec_unpack()

size_t _mi_rec_unpack	(	MI_INFO *	info,
		uchar *	to,
		const uchar *	from,
		ulong	found_length
	)

_mi_store_blob_length()

void _mi_store_blob_length	(	uchar *	pos,
		uint	pack_length,
		uint	length
	)

_mi_update_blob_record()

int _mi_update_blob_record	(	MI_INFO *	info,
		my_off_t	pos,
		const uchar *	record
	)

_mi_update_dynamic_record()

int _mi_update_dynamic_record	(	MI_INFO *	info,
		my_off_t	pos,
		const uchar *	record
	)

_mi_write_blob_record()

int _mi_write_blob_record	(	MI_INFO *	info,
		const uchar *	record
	)

_mi_write_dynamic_record()

int _mi_write_dynamic_record	(	MI_INFO *	info,
		const uchar *	record
	)

_mi_write_part_record()

int _mi_write_part_record	(	MI_INFO *	info,
		my_off_t	filepos,
		ulong	length,
		my_off_t	next_filepos,
		uchar **	record,
		ulong *	reclength,
		int *	flag
	)

_my_calc_total_blob_length()

ulong _my_calc_total_blob_length	(	MI_INFO *	info,
		const uchar *	record
	)

delete_dynamic_record()

static int delete_dynamic_record ( MI_INFO *  info, my_off_t  filepos, uint  second_read  )

static

mi_dynmap_file()

bool mi_dynmap_file	(	MI_INFO *	info,
		my_off_t	size
	)

mi_mmap_pread()

size_t mi_mmap_pread	(	MI_INFO *	info,
		uchar *	Buffer,
		size_t	Count,
		my_off_t	offset,
		myf	MyFlags
	)

mi_mmap_pwrite()

size_t mi_mmap_pwrite	(	MI_INFO *	info,
		const uchar *	Buffer,
		size_t	Count,
		my_off_t	offset,
		myf	MyFlags
	)

mi_munmap_file()

int mi_munmap_file

(

MI_INFO *

info

)

mi_nommap_pread()

size_t mi_nommap_pread	(	MI_INFO *	info,
		uchar *	Buffer,
		size_t	Count,
		my_off_t	offset,
		myf	MyFlags
	)

mi_nommap_pwrite()

size_t mi_nommap_pwrite	(	MI_INFO *	info,
		const uchar *	Buffer,
		size_t	Count,
		my_off_t	offset,
		myf	MyFlags
	)

mi_remap_file()

void mi_remap_file	(	MI_INFO *	info,
		my_off_t	size
	)

unlink_deleted_block()

static bool unlink_deleted_block ( MI_INFO *  info, MI_BLOCK_INFO *  block_info  )

static

update_backward_delete_link()

static int update_backward_delete_link ( MI_INFO *  info, my_off_t  delete_block, my_off_t  filepos  )

static

update_dynamic_record()

static int update_dynamic_record ( MI_INFO *  info, my_off_t  filepos, uchar *  record, ulong  reclength  )

static

write_dynamic_record()

static int write_dynamic_record ( MI_INFO *  info, uchar *  record, ulong  reclength  )

static

Variable Documentation

zero_string

char zero_string[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}

static