myisamdef.h File Reference

#include "my_alloc.h"
#include "my_checksum.h"
#include "my_icp.h"
#include "my_inttypes.h"
#include "my_pointer_arithmetic.h"
#include "myisam.h"
#include "myisampack.h"
#include "mysql/psi/mysql_file.h"
#include "mysql/psi/mysql_rwlock.h"
#include "mysql/psi/mysql_thread.h"
#include "thr_lock.h"

Go to the source code of this file.

Classes
struct	MI_STATUS_INFO
struct	MI_STATE_INFO
struct	MI_BASE_INFO
struct	MI_BLOB
struct	MI_PACK
struct	MYISAM_SHARE
struct	MI_BIT_BUFF
struct	MI_INFO
struct	BUFFPEK
struct	MI_SORT_PARAM
struct	MI_KEY_PARAM
struct	MI_BLOCK_INFO

Macros
#define	MI_STATE_INFO_SIZE   (24 + 14 * 8 + 7 * 4 + 2 * 2 + 8)
#define	MI_STATE_KEY_SIZE   8
#define	MI_STATE_KEYBLOCK_SIZE   8
#define	MI_STATE_KEYSEG_SIZE   4
#define	MI_STATE_EXTRA_SIZE
#define	MI_KEYDEF_SIZE   (2 + 5 * 2)
#define	MI_UNIQUEDEF_SIZE   (2 + 1 + 1)
#define	HA_KEYSEG_SIZE   (6 + 2 * 2 + 4 * 2)
#define	MI_COLUMNDEF_SIZE   (2 * 3 + 1)
#define	MI_BASE_INFO_SIZE   (5 * 8 + 8 * 4 + 4 + 4 * 2 + 16)
#define	MI_INDEX_BLOCK_MARGIN   16 /* Safety margin for .MYI tables */
#define	MAX_NONMAPPED_INSERTS   1000
#define	USE_WHOLE_KEY   MI_MAX_KEY_BUFF * 2 /* Use whole key in _mi_search() */
#define	F_EXTRA_LCK   -1
#define	MEMMAP_USED   32
#define	REMEMBER_OLD_POS   64
#define	WRITEINFO_UPDATE_KEYFILE   1
#define	WRITEINFO_NO_UNLOCK   2
#define	USE_PACKED_KEYS   1
#define	RRND_PRESERVE_LASTINX   2
#define	STATE_CHANGED   1
#define	STATE_CRASHED   2
#define	STATE_CRASHED_ON_REPAIR   4
#define	STATE_NOT_ANALYZED   8
#define	STATE_NOT_OPTIMIZED_KEYS   16
#define	STATE_NOT_SORTED_PAGES   32
#define	READING_NEXT   1
#define	READING_HEADER   2
#define	mi_getint(x)   ((uint)mi_uint2korr(x) & 32767)
#define	mi_putint(x, y, nod)
#define	mi_test_if_nod(x)   (x[0] & 128 ? info->s->base.key_reflength : 0)
#define	mi_report_crashed(A, B)   _mi_report_crashed((A), (B), __FILE__, __LINE__)
#define	mi_mark_crashed(x)
#define	mi_mark_crashed_on_repair(x)
#define	mi_is_crashed(x)   ((x)->s->state.changed & STATE_CRASHED)
#define	mi_is_crashed_on_repair(x)    ((x)->s->state.changed & STATE_CRASHED_ON_REPAIR)
#define	mi_print_error(SHARE, ERRNO)    mi_report_error((ERRNO), (SHARE)->index_file_name)
#define	store_key_length(key, length)
#define	get_key_full_length(length, key)
#define	get_key_full_length_rdonly(length, key)
#define	get_pack_length(length)   ((length) >= 255 ? 3 : 1)
#define	MI_MIN_BLOCK_LENGTH   20U /* Because of delete-link */
#define	MI_EXTEND_BLOCK_LENGTH   20 /* Don't use to small record-blocks */
#define	MI_SPLIT_LENGTH   ((MI_EXTEND_BLOCK_LENGTH + 4) * 2)
#define	MI_MAX_DYN_BLOCK_HEADER   20 /* Max prefix of record-block */
#define	MI_BLOCK_INFO_HEADER_LENGTH   20
#define	MI_DYN_DELETE_BLOCK_HEADER   20 /* length of delete-block-header */
#define	MI_DYN_MAX_BLOCK_LENGTH   ((1L << 24) - 4L)
#define	MI_DYN_MAX_ROW_LENGTH   (MI_DYN_MAX_BLOCK_LENGTH - MI_SPLIT_LENGTH)
#define	MI_DYN_ALIGN_SIZE   4 /* Align blocks on this */
#define	MI_MAX_DYN_HEADER_BYTE   13 /* max header byte for dynamic rows */
#define	MI_MAX_BLOCK_LENGTH    ((((ulong)1 << 24) - 1) & (~(ulong)(MI_DYN_ALIGN_SIZE - 1)))
#define	MI_REC_BUFF_OFFSET    ALIGN_SIZE(MI_DYN_DELETE_BLOCK_HEADER + sizeof(uint32))
#define	PACK_TYPE_SELECTED   1 /* Bits in field->pack_type */
#define	PACK_TYPE_SPACE_FIELDS   2
#define	PACK_TYPE_ZERO_FILL   4
#define	MI_FOUND_WRONG_KEY   32738 /* Impossible value from ha_key_cmp */
#define	MI_MAX_KEY_BLOCK_SIZE    (MI_MAX_KEY_BLOCK_LENGTH / MI_MIN_KEY_BLOCK_LENGTH)
#define	MI_BLOCK_SIZE(key_length, data_pointer, key_pointer, block_size)
#define	MI_MAX_KEYPTR_SIZE   5 /* For calculating block lengths */
#define	MI_MIN_KEYBLOCK_LENGTH   50 /* When to split delete blocks */
#define	MI_MIN_SIZE_BULK_INSERT_TREE   16384 /* this is per key */
#define	MI_MIN_ROWS_TO_USE_BULK_INSERT   100
#define	MI_MIN_ROWS_TO_DISABLE_INDEXES   100
#define	MI_MIN_ROWS_TO_USE_WRITE_CACHE   10
#define	MI_UNIQUE_HASH_TYPE   HA_KEYTYPE_ULONG_INT
#define	mi_unique_store(A, B)   mi_int4store((A), (B))
#define	mi_get_rec_buff_ptr(info, buf)
#define	mi_get_rec_buff_len(info, buf)    (*((uint32 *)(mi_get_rec_buff_ptr(info, buf))))
#define	BLOCK_FIRST   1
#define	BLOCK_LAST   2
#define	BLOCK_DELETED   4
#define	BLOCK_ERROR   8 /* Wrong data */
#define	BLOCK_SYNC_ERROR   16 /* Right data at wrong place */
#define	BLOCK_FATAL_ERROR   32 /* hardware-error */
#define	NEED_MEM
#define	MAXERR   20
#define	BUFFERS_WHEN_SORTING   16 /* Alloc for sort-key-tree */
#define	MY_HOW_OFTEN_TO_WRITE   1000 /* How often we want info on screen */
#define	WRITE_COUNT   MY_HOW_OFTEN_TO_WRITE
#define	INDEX_TMP_EXT   ".TMM"
#define	DATA_TMP_EXT   ".TMD"
#define	UPDATE_TIME   1
#define	UPDATE_STAT   2
#define	UPDATE_SORT   4
#define	UPDATE_AUTO_INC   8
#define	UPDATE_OPEN_COUNT   16
#define	USE_BUFFER_INIT   (((1024L * 512L - MALLOC_OVERHEAD) / IO_SIZE) * IO_SIZE)
#define	READ_BUFFER_INIT   (1024L * 256L - MALLOC_OVERHEAD)
#define	SORT_BUFFER_INIT   (2048L * 1024L - MALLOC_OVERHEAD)
#define	MIN_SORT_BUFFER   (4096ULL - MALLOC_OVERHEAD)
#define	myisam_log(a, b, c, d)    if (myisam_log_file >= 0) _myisam_log(a, b, c, d)
#define	myisam_log_command(a, b, c, d, e)    if (myisam_log_file >= 0) _myisam_log_command(a, b, c, d, e)
#define	myisam_log_record(a, b, c, d, e)    if (myisam_log_file >= 0) _myisam_log_record(a, b, c, d, e)
#define	fast_mi_writeinfo(INFO)    if (!(INFO)->s->tot_locks) (void)_mi_writeinfo((INFO), 0)
#define	fast_mi_readinfo(INFO)    ((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO), F_RDLCK, 1)

Typedefs
typedef uint	mi_bit_type
typedef ICP_RESULT(*	index_cond_func_t) (void *param)

Enumerations
enum	myisam_log_commands {   MI_LOG_OPEN , MI_LOG_WRITE , MI_LOG_UPDATE , MI_LOG_DELETE ,   MI_LOG_CLOSE , MI_LOG_EXTRA , MI_LOG_LOCK , MI_LOG_DELETE_ALL }

Functions
int	_mi_read_dynamic_record (MI_INFO *info, my_off_t filepos, uchar *buf)
int	_mi_write_dynamic_record (MI_INFO *, const uchar *)
int	_mi_update_dynamic_record (MI_INFO *, my_off_t, const uchar *)
int	_mi_delete_dynamic_record (MI_INFO *info)
int	_mi_cmp_dynamic_record (MI_INFO *info, const uchar *record)
int	_mi_read_rnd_dynamic_record (MI_INFO *, uchar *, my_off_t, bool)
int	_mi_write_blob_record (MI_INFO *, const uchar *)
int	_mi_update_blob_record (MI_INFO *, my_off_t, const uchar *)
int	_mi_read_static_record (MI_INFO *info, my_off_t filepos, uchar *buf)
int	_mi_write_static_record (MI_INFO *, const uchar *)
int	_mi_update_static_record (MI_INFO *, my_off_t, const uchar *)
int	_mi_delete_static_record (MI_INFO *info)
int	_mi_cmp_static_record (MI_INFO *info, const uchar *record)
int	_mi_read_rnd_static_record (MI_INFO *, uchar *, my_off_t, bool)
int	_mi_ck_write (MI_INFO *info, uint keynr, uchar *key, uint length)
int	_mi_ck_real_write_btree (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_length, my_off_t *root, uint comp_flag)
int	_mi_enlarge_root (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, my_off_t *root)
int	_mi_insert (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uchar *anc_buff, uchar *key_pos, uchar *key_buff, uchar *father_buff, uchar *father_keypos, my_off_t father_page, bool insert_last)
int	_mi_split_page (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uchar *buff, uchar *key_buff, bool insert_last)
uchar *	_mi_find_half_pos (uint nod_flag, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uint *return_key_length, uchar **after_key)
int	_mi_calc_static_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *key_pos, uchar *org_key, uchar *key_buff, const uchar *key, MI_KEY_PARAM *s_temp)
int	_mi_calc_var_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *key_pos, uchar *org_key, uchar *key_buff, const uchar *key, MI_KEY_PARAM *s_temp)
int	_mi_calc_var_pack_key_length (MI_KEYDEF *keyinfo, uint nod_flag, const uchar *key_pos, 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 *key_pos, 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)
int	_mi_ck_delete (MI_INFO *info, uint keynr, uchar *key, uint key_length)
int	_mi_readinfo (MI_INFO *info, int lock_flag, int check_keybuffer)
int	_mi_writeinfo (MI_INFO *info, uint options)
int	_mi_test_if_changed (MI_INFO *info)
int	_mi_mark_file_changed (MI_INFO *info)
int	_mi_decrement_open_count (MI_INFO *info)
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 *was_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 *was_last_key)
int	_mi_prefix_search (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uint key_len, uint comp_flag, uchar **ret_pos, uchar *buff, bool *was_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 *info, 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, uchar *key)
uint	_mi_get_binary_pack_key (MI_KEYDEF *keyinfo, uint nod_flag, uchar **page_pos, uchar *key)
uchar *	_mi_get_last_key (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *keypos, uchar *lastkey, uchar *endpos, uint *return_key_length)
uchar *	_mi_get_key (MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uchar *keypos, 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)
uchar *	_mi_fetch_keypage (MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t page, int level, uchar *buff, int return_buffer)
int	_mi_write_keypage (MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t page, int level, uchar *buff)
int	_mi_dispose (MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos, int level)
my_off_t	_mi_new (MI_INFO *info, MI_KEYDEF *keyinfo, int level)
uint	_mi_make_key (MI_INFO *info, uint keynr, uchar *key, const uchar *record, my_off_t filepos)
uint	_mi_pack_key (MI_INFO *info, uint keynr, uchar *key, const uchar *old, key_part_map keypart_map, HA_KEYSEG **last_used_keyseg)
int	_mi_read_key_record (MI_INFO *info, my_off_t filepos, uchar *buf)
int	_mi_read_cache (IO_CACHE *info, uchar *buff, my_off_t pos, uint length, int re_read_if_possibly)
ulonglong	retrieve_auto_increment (MI_INFO *info, const uchar *record)
uchar *	mi_alloc_rec_buff (MI_INFO *, ulong, uchar **)
size_t	_mi_rec_unpack (MI_INFO *info, uchar *to, const uchar *from, ulong reclength)
bool	_mi_rec_check (MI_INFO *info, const uchar *record, uchar *packpos, ulong packed_length, bool with_checkum)
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)
void	_mi_print_key (FILE *stream, HA_KEYSEG *keyseg, const uchar *key, uint length)
bool	_mi_read_pack_info (MI_INFO *info, bool fix_keys)
int	_mi_read_pack_record (MI_INFO *info, my_off_t filepos, uchar *buf)
int	_mi_read_rnd_pack_record (MI_INFO *, uchar *, my_off_t, bool)
int	_mi_pack_rec_unpack (MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to, uchar *from, ulong reclength)
ulonglong	mi_safe_mul (ulonglong a, ulonglong b)
int	_mi_ft_update (MI_INFO *info, uint keynr, uchar *keybuf, const uchar *oldrec, const uchar *newrec, my_off_t pos)
uint	_mi_get_block_info (MI_BLOCK_INFO *, File, my_off_t)
uint	_mi_rec_pack (MI_INFO *info, uchar *to, const uchar *from)
uint	_mi_pack_get_block_info (MI_INFO *myisam, MI_BIT_BUFF *bit_buff, MI_BLOCK_INFO *info, uchar **rec_buff_p, File file, my_off_t filepos)
void	_mi_store_blob_length (uchar *pos, uint pack_length, uint length)
void	_myisam_log (enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length)
void	_myisam_log_command (enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length, int result)
void	_myisam_log_record (enum myisam_log_commands command, MI_INFO *info, const uchar *record, my_off_t filepos, int result)
void	mi_report_error (int errcode, const char *file_name)
bool	_mi_memmap_file (MI_INFO *info)
void	_mi_unmap_file (MI_INFO *info)
uint	save_pack_length (uint version, uchar *block_buff, ulong length)
uint	read_pack_length (uint version, const uchar *buf, ulong *length)
uint	calc_pack_length (uint version, ulong length)
size_t	mi_mmap_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_pread (MI_INFO *info, 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)
uint	mi_state_info_write (File file, MI_STATE_INFO *state, uint pWrite)
uchar *	mi_state_info_read (uchar *ptr, MI_STATE_INFO *state)
uint	mi_state_info_read_dsk (File file, MI_STATE_INFO *state, bool pRead)
uint	mi_base_info_write (File file, MI_BASE_INFO *base)
uchar *	my_n_base_info_read (uchar *ptr, MI_BASE_INFO *base)
int	mi_keyseg_write (File file, const HA_KEYSEG *keyseg)
uchar *	mi_keyseg_read (uchar *ptr, HA_KEYSEG *keyseg)
uint	mi_keydef_write (File file, MI_KEYDEF *keydef)
uchar *	mi_keydef_read (uchar *ptr, MI_KEYDEF *keydef)
uint	mi_uniquedef_write (File file, MI_UNIQUEDEF *keydef)
uchar *	mi_uniquedef_read (uchar *ptr, MI_UNIQUEDEF *keydef)
uint	mi_recinfo_write (File file, MI_COLUMNDEF *recinfo)
uchar *	mi_recinfo_read (uchar *ptr, MI_COLUMNDEF *recinfo)
int	mi_disable_indexes (MI_INFO *info)
int	mi_enable_indexes (MI_INFO *info)
int	mi_indexes_are_disabled (MI_INFO *info)
ulong	_my_calc_total_blob_length (MI_INFO *info, const uchar *record)
ha_checksum	mi_checksum (MI_INFO *info, const uchar *buf)
ha_checksum	mi_static_checksum (MI_INFO *info, const uchar *buf)
bool	mi_check_unique (MI_INFO *info, MI_UNIQUEDEF *def, uchar *record, ha_checksum unique_hash, my_off_t pos)
ha_checksum	mi_unique_hash (MI_UNIQUEDEF *def, const uchar *buf)
int	_mi_cmp_static_unique (MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
int	_mi_cmp_dynamic_unique (MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
int	mi_unique_comp (MI_UNIQUEDEF *def, const uchar *a, const uchar *b, bool null_are_equal)
void	mi_get_status (void *param, int concurrent_insert)
void	mi_update_status (void *param)
void	mi_restore_status (void *param)
void	mi_copy_status (void *to, void *from)
bool	mi_check_status (void *param)
MI_INFO *	test_if_reopen (char *filename)
bool	check_table_is_closed (const char *name, const char *where)
int	mi_open_datafile (MI_INFO *info, MYISAM_SHARE *share, const char *orn_name, File file_to_dup)
int	mi_open_keyfile (MYISAM_SHARE *share)
void	mi_setup_functions (MYISAM_SHARE *share)
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)
void	_mi_report_crashed (MI_INFO *file, const char *message, const char *sfile, uint sline)
	Report list of threads (and queries) accessing a table, thread_id of a thread that detected corruption, ource file name and line number where this corruption was detected, optional extra information (string). More...
int	mi_check_index_cond (MI_INFO *info, uint keynr, uchar *record)
volatile int *	killed_ptr (MI_CHECK *param)
void	mi_check_print_error (MI_CHECK *param, const char *fmt,...)
void	mi_check_print_warning (MI_CHECK *param, const char *fmt,...)
void	mi_check_print_info (MI_CHECK *param, const char *fmt,...)
int	flush_pending_blocks (MI_SORT_PARAM *param)
int	sort_ft_buf_flush (MI_SORT_PARAM *sort_param)
int	flush_blocks (MI_CHECK *param, KEY_CACHE *key_cache, File file)
int	sort_write_record (MI_SORT_PARAM *sort_param)
int	_create_index_by_sort (MI_SORT_PARAM *info, bool no_messages, ulonglong)
void	mi_set_index_cond_func (MI_INFO *info, index_cond_func_t func, void *func_arg)
void	init_myisam_psi_keys ()

Variables
mysql_mutex_t	THR_LOCK_myisam
LIST *	myisam_open_list
uchar	myisam_file_magic []
uchar	myisam_pack_file_magic []
uint	myisam_read_vec []
uint	myisam_readnext_vec []
uint	myisam_quick_table_bits
File	myisam_log_file
ulong	myisam_pid
thread_local st_keycache_thread_var *	keycache_tls
PSI_mutex_key	mi_key_mutex_MYISAM_SHARE_intern_lock
PSI_rwlock_key	mi_key_rwlock_MYISAM_SHARE_key_root_lock
PSI_rwlock_key	mi_key_rwlock_MYISAM_SHARE_mmap_lock
PSI_cond_key	mi_key_cond_MI_SORT_INFO_cond
PSI_cond_key	mi_keycache_thread_var_suspend
PSI_file_key	mi_key_file_datatmp
PSI_file_key	mi_key_file_dfile
PSI_file_key	mi_key_file_kfile
PSI_file_key	mi_key_file_log
PSI_thread_key	mi_key_thread_find_all_keys
PSI_memory_key	mi_key_memory_MYISAM_SHARE
PSI_memory_key	mi_key_memory_MI_INFO
PSI_memory_key	mi_key_memory_MI_INFO_ft1_to_ft2
PSI_memory_key	mi_key_memory_MI_INFO_bulk_insert
PSI_memory_key	mi_key_memory_record_buffer
PSI_memory_key	mi_key_memory_FTB
PSI_memory_key	mi_key_memory_FT_INFO
PSI_memory_key	mi_key_memory_FTPARSER_PARAM
PSI_memory_key	mi_key_memory_ft_memroot
PSI_memory_key	mi_key_memory_ft_stopwords
PSI_memory_key	mi_key_memory_MI_SORT_PARAM
PSI_memory_key	mi_key_memory_MI_SORT_PARAM_wordroot
PSI_memory_key	mi_key_memory_SORT_FT_BUF
PSI_memory_key	mi_key_memory_SORT_KEY_BLOCKS
PSI_memory_key	mi_key_memory_filecopy
PSI_memory_key	mi_key_memory_SORT_INFO_buffer
PSI_memory_key	mi_key_memory_MI_DECODE_TREE
PSI_memory_key	mi_key_memory_MYISAM_SHARE_decode_tables
PSI_memory_key	mi_key_memory_preload_buffer
PSI_memory_key	mi_key_memory_stPageList_pages
PSI_memory_key	mi_key_memory_keycache_thread_var
PSI_memory_key	key_memory_QUEUE

Macro Definition Documentation

BLOCK_DELETED

#define BLOCK_DELETED   4

BLOCK_ERROR

#define BLOCK_ERROR   8 /* Wrong data */

BLOCK_FATAL_ERROR

#define BLOCK_FATAL_ERROR   32 /* hardware-error */

BLOCK_FIRST

#define BLOCK_FIRST   1

BLOCK_LAST

#define BLOCK_LAST   2

BLOCK_SYNC_ERROR

#define BLOCK_SYNC_ERROR   16 /* Right data at wrong place */

BUFFERS_WHEN_SORTING

#define BUFFERS_WHEN_SORTING   16 /* Alloc for sort-key-tree */

DATA_TMP_EXT

#define DATA_TMP_EXT   ".TMD"

F_EXTRA_LCK

#define F_EXTRA_LCK   -1

fast_mi_readinfo

#define fast_mi_readinfo

(

INFO

)

((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO), F_RDLCK, 1)

fast_mi_writeinfo

#define fast_mi_writeinfo

(

INFO

)

if (!(INFO)->s->tot_locks) (void)_mi_writeinfo((INFO), 0)

get_key_full_length

#define get_key_full_length	(		length,
			key
	)

Value:

  {                                             \
    if ((uchar) * (key) != 255)                 \
      length = ((uint)(uchar) * ((key)++)) + 1; \
    else {                                      \
      length = mi_uint2korr((key) + 1) + 3;     \
      (key) += 3;                               \
    }                                           \
  }

get_key_full_length_rdonly

#define get_key_full_length_rdonly	(		length,
			key
	)

Value:

  {                                             \
    if ((uchar) * (key) != 255)                 \
      length = ((uint)(uchar) * ((key))) + 1;   \
    else {                                      \
      length = mi_uint2korr((key) + 1) + 3;     \
    }                                           \
  }

get_pack_length

#define get_pack_length

(

length

)

((length) >= 255 ? 3 : 1)

HA_KEYSEG_SIZE

#define HA_KEYSEG_SIZE   (6 + 2 * 2 + 4 * 2)

INDEX_TMP_EXT

#define INDEX_TMP_EXT   ".TMM"

MAX_NONMAPPED_INSERTS

#define MAX_NONMAPPED_INSERTS   1000

MAXERR

#define MAXERR   20

MEMMAP_USED

#define MEMMAP_USED   32

MI_BASE_INFO_SIZE

#define MI_BASE_INFO_SIZE   (5 * 8 + 8 * 4 + 4 + 4 * 2 + 16)

MI_BLOCK_INFO_HEADER_LENGTH

#define MI_BLOCK_INFO_HEADER_LENGTH   20

MI_BLOCK_SIZE

#define MI_BLOCK_SIZE	(		key_length,
			data_pointer,
			key_pointer,
			block_size
	)

Value:

  (((((key_length) + (data_pointer) + (key_pointer)) * 4 + (key_pointer) + \
     2) /                                                                  \
        (block_size) +                                                     \
    1) *                                                                   \
   (block_size))

MI_COLUMNDEF_SIZE

#define MI_COLUMNDEF_SIZE   (2 * 3 + 1)

MI_DYN_ALIGN_SIZE

#define MI_DYN_ALIGN_SIZE   4 /* Align blocks on this */

MI_DYN_DELETE_BLOCK_HEADER

#define MI_DYN_DELETE_BLOCK_HEADER   20 /* length of delete-block-header */

MI_DYN_MAX_BLOCK_LENGTH

#define MI_DYN_MAX_BLOCK_LENGTH   ((1L << 24) - 4L)

MI_DYN_MAX_ROW_LENGTH

#define MI_DYN_MAX_ROW_LENGTH   (MI_DYN_MAX_BLOCK_LENGTH - MI_SPLIT_LENGTH)

MI_EXTEND_BLOCK_LENGTH

#define MI_EXTEND_BLOCK_LENGTH   20 /* Don't use to small record-blocks */

MI_FOUND_WRONG_KEY

#define MI_FOUND_WRONG_KEY   32738 /* Impossible value from ha_key_cmp */

mi_get_rec_buff_len

#define mi_get_rec_buff_len	(		info,
			buf
	)		(*((uint32 *)(mi_get_rec_buff_ptr(info, buf))))

mi_get_rec_buff_ptr

#define mi_get_rec_buff_ptr	(		info,
			buf
	)

Value:

  ((((info)->s->options & HA_OPTION_PACK_RECORD) && (buf)) \
       ? (buf)-MI_REC_BUFF_OFFSET                          \
       : (buf))

mi_getint

#define mi_getint

(

x

)

((uint)mi_uint2korr(x) & 32767)

MI_INDEX_BLOCK_MARGIN

#define MI_INDEX_BLOCK_MARGIN   16 /* Safety margin for .MYI tables */

mi_is_crashed

#define mi_is_crashed

(

x

)

((x)->s->state.changed & STATE_CRASHED)

mi_is_crashed_on_repair

#define mi_is_crashed_on_repair

(

x

)

((x)->s->state.changed & STATE_CRASHED_ON_REPAIR)

MI_KEYDEF_SIZE

#define MI_KEYDEF_SIZE   (2 + 5 * 2)

mi_mark_crashed

#define mi_mark_crashed

(

x

)

Value:

  do {                                             \
    (x)->s->state.changed |= STATE_CRASHED;        \
    DBUG_PRINT("error", ("Marked table crashed")); \
    mi_report_crashed((x), nullptr);               \
  } while (0)

mi_mark_crashed_on_repair

#define mi_mark_crashed_on_repair

(

x

)

Value:

  do {                                                                \
    (x)->s->state.changed |= STATE_CRASHED | STATE_CRASHED_ON_REPAIR; \
    (x)->update |= HA_STATE_CHANGED;                                  \
    DBUG_PRINT("error", ("Marked table crashed"));                    \
  } while (0)

MI_MAX_BLOCK_LENGTH

#define MI_MAX_BLOCK_LENGTH    ((((ulong)1 << 24) - 1) & (~(ulong)(MI_DYN_ALIGN_SIZE - 1)))

MI_MAX_DYN_BLOCK_HEADER

#define MI_MAX_DYN_BLOCK_HEADER   20 /* Max prefix of record-block */

MI_MAX_DYN_HEADER_BYTE

#define MI_MAX_DYN_HEADER_BYTE   13 /* max header byte for dynamic rows */

MI_MAX_KEY_BLOCK_SIZE

#define MI_MAX_KEY_BLOCK_SIZE    (MI_MAX_KEY_BLOCK_LENGTH / MI_MIN_KEY_BLOCK_LENGTH)

MI_MAX_KEYPTR_SIZE

#define MI_MAX_KEYPTR_SIZE   5 /* For calculating block lengths */

MI_MIN_BLOCK_LENGTH

#define MI_MIN_BLOCK_LENGTH   20U /* Because of delete-link */

MI_MIN_KEYBLOCK_LENGTH

#define MI_MIN_KEYBLOCK_LENGTH   50 /* When to split delete blocks */

MI_MIN_ROWS_TO_DISABLE_INDEXES

#define MI_MIN_ROWS_TO_DISABLE_INDEXES   100

MI_MIN_ROWS_TO_USE_BULK_INSERT

#define MI_MIN_ROWS_TO_USE_BULK_INSERT   100

MI_MIN_ROWS_TO_USE_WRITE_CACHE

#define MI_MIN_ROWS_TO_USE_WRITE_CACHE   10

MI_MIN_SIZE_BULK_INSERT_TREE

#define MI_MIN_SIZE_BULK_INSERT_TREE   16384 /* this is per key */

mi_print_error

#define mi_print_error	(		SHARE,
			ERRNO
	)		mi_report_error((ERRNO), (SHARE)->index_file_name)

mi_putint

#define mi_putint	(		x,
			y,
			nod
	)

Value:

  {                                                       \
    uint16 boh = (nod ? (uint16)32768 : 0) + (uint16)(y); \
    mi_int2store(x, boh);                                 \
  }

MI_REC_BUFF_OFFSET

#define MI_REC_BUFF_OFFSET    ALIGN_SIZE(MI_DYN_DELETE_BLOCK_HEADER + sizeof(uint32))

mi_report_crashed

#define mi_report_crashed	(		A,
			B
	)		_mi_report_crashed((A), (B), __FILE__, __LINE__)

MI_SPLIT_LENGTH

#define MI_SPLIT_LENGTH   ((MI_EXTEND_BLOCK_LENGTH + 4) * 2)

MI_STATE_EXTRA_SIZE

#define MI_STATE_EXTRA_SIZE

Value:

  ((MI_MAX_KEY + MI_MAX_KEY_BLOCK_SIZE) * MI_STATE_KEY_SIZE + \
   MI_MAX_KEY * MI_MAX_KEY_SEG * MI_STATE_KEYSEG_SIZE)

MI_STATE_INFO_SIZE

#define MI_STATE_INFO_SIZE   (24 + 14 * 8 + 7 * 4 + 2 * 2 + 8)

MI_STATE_KEY_SIZE

#define MI_STATE_KEY_SIZE   8

MI_STATE_KEYBLOCK_SIZE

#define MI_STATE_KEYBLOCK_SIZE   8

MI_STATE_KEYSEG_SIZE

#define MI_STATE_KEYSEG_SIZE   4

mi_test_if_nod

#define mi_test_if_nod

(

x

)

(x[0] & 128 ? info->s->base.key_reflength : 0)

MI_UNIQUE_HASH_TYPE

#define MI_UNIQUE_HASH_TYPE   HA_KEYTYPE_ULONG_INT

mi_unique_store

#define mi_unique_store	(		A,
			B
	)		mi_int4store((A), (B))

MI_UNIQUEDEF_SIZE

#define MI_UNIQUEDEF_SIZE   (2 + 1 + 1)

MIN_SORT_BUFFER

#define MIN_SORT_BUFFER   (4096ULL - MALLOC_OVERHEAD)

MY_HOW_OFTEN_TO_WRITE

#define MY_HOW_OFTEN_TO_WRITE   1000 /* How often we want info on screen */

myisam_log

#define myisam_log	(		a,
			b,
			c,
			d
	)		if (myisam_log_file >= 0) _myisam_log(a, b, c, d)

myisam_log_command

#define myisam_log_command	(		a,
			b,
			c,
			d,
			e
	)		if (myisam_log_file >= 0) _myisam_log_command(a, b, c, d, e)

myisam_log_record

#define myisam_log_record	(		a,
			b,
			c,
			d,
			e
	)		if (myisam_log_file >= 0) _myisam_log_record(a, b, c, d, e)

NEED_MEM

#define NEED_MEM

Value:

  ((uint)10 * 4 * (IO_SIZE + 32) + 32) /* Needed for recursion \
                                        */

PACK_TYPE_SELECTED

#define PACK_TYPE_SELECTED   1 /* Bits in field->pack_type */

PACK_TYPE_SPACE_FIELDS

#define PACK_TYPE_SPACE_FIELDS   2

PACK_TYPE_ZERO_FILL

#define PACK_TYPE_ZERO_FILL   4

READ_BUFFER_INIT

#define READ_BUFFER_INIT   (1024L * 256L - MALLOC_OVERHEAD)

READING_HEADER

#define READING_HEADER   2

READING_NEXT

#define READING_NEXT   1

REMEMBER_OLD_POS

#define REMEMBER_OLD_POS   64

RRND_PRESERVE_LASTINX

#define RRND_PRESERVE_LASTINX   2

SORT_BUFFER_INIT

#define SORT_BUFFER_INIT   (2048L * 1024L - MALLOC_OVERHEAD)

STATE_CHANGED

#define STATE_CHANGED   1

STATE_CRASHED

#define STATE_CRASHED   2

STATE_CRASHED_ON_REPAIR

#define STATE_CRASHED_ON_REPAIR   4

STATE_NOT_ANALYZED

#define STATE_NOT_ANALYZED   8

STATE_NOT_OPTIMIZED_KEYS

#define STATE_NOT_OPTIMIZED_KEYS   16

STATE_NOT_SORTED_PAGES

#define STATE_NOT_SORTED_PAGES   32

store_key_length

#define store_key_length	(		key,
			length
	)

Value:

  {                                      \
    if ((length) < 255) {                \
      *(key) = (length);                 \
    } else {                             \
      *(key) = 255;                      \
      mi_int2store((key) + 1, (length)); \
    }                                    \
  }

UPDATE_AUTO_INC

#define UPDATE_AUTO_INC   8

UPDATE_OPEN_COUNT

#define UPDATE_OPEN_COUNT   16

UPDATE_SORT

#define UPDATE_SORT   4

UPDATE_STAT

#define UPDATE_STAT   2

UPDATE_TIME

#define UPDATE_TIME   1

USE_BUFFER_INIT

#define USE_BUFFER_INIT   (((1024L * 512L - MALLOC_OVERHEAD) / IO_SIZE) * IO_SIZE)

USE_PACKED_KEYS

#define USE_PACKED_KEYS   1

USE_WHOLE_KEY

#define USE_WHOLE_KEY   MI_MAX_KEY_BUFF * 2 /* Use whole key in _mi_search() */

WRITE_COUNT

#define WRITE_COUNT   MY_HOW_OFTEN_TO_WRITE

WRITEINFO_NO_UNLOCK

#define WRITEINFO_NO_UNLOCK   2

WRITEINFO_UPDATE_KEYFILE

#define WRITEINFO_UPDATE_KEYFILE   1

Typedef Documentation

index_cond_func_t

typedef ICP_RESULT(* index_cond_func_t) (void *param)

mi_bit_type

typedef uint mi_bit_type

Enumeration Type Documentation

myisam_log_commands

enum myisam_log_commands

Enumerator
MI_LOG_OPEN
MI_LOG_WRITE
MI_LOG_UPDATE
MI_LOG_DELETE
MI_LOG_CLOSE
MI_LOG_EXTRA
MI_LOG_LOCK
MI_LOG_DELETE_ALL

Function Documentation

_create_index_by_sort()

int _create_index_by_sort	(	MI_SORT_PARAM *	info,
		bool	no_messages,
		ulonglong	sortbuff_size
	)

_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 *	was_last_key
	)

_mi_calc_bin_pack_key_length()

int _mi_calc_bin_pack_key_length	(	MI_KEYDEF *	keyinfo,
		uint	nod_flag,
		const uchar *	key_pos,
		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 *	key_pos,
		uchar *	org_key,
		uchar *	key_buff,
		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 *	key_pos,
		uchar *	org_key,
		uchar *	key_buff,
		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 *	key_pos,
		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_ck_delete()

int _mi_ck_delete	(	MI_INFO *	info,
		uint	keynr,
		uchar *	key,
		uint	key_length
	)

_mi_ck_real_write_btree()

int _mi_ck_real_write_btree	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	key,
		uint	key_length,
		my_off_t *	root,
		uint	comp_flag
	)

_mi_ck_write()

int _mi_ck_write	(	MI_INFO *	info,
		uint	keynr,
		uchar *	key,
		uint	length
	)

_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_cmp_static_record()

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

_mi_cmp_static_unique()

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

_mi_decrement_open_count()

int _mi_decrement_open_count

(

MI_INFO *

info

)

_mi_delete_dynamic_record()

int _mi_delete_dynamic_record

(

MI_INFO *

info

)

_mi_delete_static_record()

int _mi_delete_static_record

(

MI_INFO *

info

)

_mi_dispose()

int _mi_dispose	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		my_off_t	pos,
		int	level
	)

_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_enlarge_root()

int _mi_enlarge_root	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	key,
		my_off_t *	root
	)

_mi_fetch_keypage()

uchar * _mi_fetch_keypage	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		my_off_t	page,
		int	level,
		uchar *	buff,
		int	return_buffer
	)

_mi_find_half_pos()

uchar * _mi_find_half_pos	(	uint	nod_flag,
		MI_KEYDEF *	keyinfo,
		uchar *	page,
		uchar *	key,
		uint *	return_key_length,
		uchar **	after_key
	)

_mi_ft_update()

int _mi_ft_update	(	MI_INFO *	info,
		uint	keynr,
		uchar *	keybuf,
		const uchar *	oldrec,
		const uchar *	newrec,
		my_off_t	pos
	)

_mi_get_binary_pack_key()

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

_mi_get_block_info()

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

_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 *	keypos,
		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,
		uchar *	key
	)

_mi_get_static_key()

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

_mi_insert()

int _mi_insert	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	key,
		uchar *	anc_buff,
		uchar *	key_pos,
		uchar *	key_buff,
		uchar *	father_buff,
		uchar *	father_keypos,
		my_off_t	father_page,
		bool	insert_last
	)

_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_make_key()

uint _mi_make_key	(	MI_INFO *	info,
		uint	keynr,
		uchar *	key,
		const uchar *	record,
		my_off_t	filepos
	)

_mi_mark_file_changed()

int _mi_mark_file_changed

(

MI_INFO *

info

)

_mi_memmap_file()

bool _mi_memmap_file

(

MI_INFO *

info

)

_mi_move_key()

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

_mi_new()

my_off_t _mi_new	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		int	level
	)

_mi_pack_get_block_info()

uint _mi_pack_get_block_info	(	MI_INFO *	myisam,
		MI_BIT_BUFF *	bit_buff,
		MI_BLOCK_INFO *	info,
		uchar **	rec_buff_p,
		File	file,
		my_off_t	filepos
	)

_mi_pack_key()

uint _mi_pack_key	(	MI_INFO *	info,
		uint	keynr,
		uchar *	key,
		const uchar *	old,
		key_part_map	keypart_map,
		HA_KEYSEG **	last_used_keyseg
	)

_mi_pack_rec_unpack()

int _mi_pack_rec_unpack	(	MI_INFO *	info,
		MI_BIT_BUFF *	bit_buff,
		uchar *	to,
		uchar *	from,
		ulong	reclength
	)

_mi_prefix_search()

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

_mi_print_key()

void _mi_print_key	(	FILE *	stream,
		HA_KEYSEG *	keyseg,
		const uchar *	key,
		uint	length
	)

_mi_read_cache()

int _mi_read_cache	(	IO_CACHE *	info,
		uchar *	buff,
		my_off_t	pos,
		uint	length,
		int	re_read_if_possibly
	)

_mi_read_dynamic_record()

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

_mi_read_key_record()

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

_mi_read_pack_info()

bool _mi_read_pack_info	(	MI_INFO *	info,
		bool	fix_keys
	)

_mi_read_pack_record()

int _mi_read_pack_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_read_rnd_pack_record()

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

_mi_read_rnd_static_record()

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

_mi_read_static_record()

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

_mi_readinfo()

int _mi_readinfo	(	MI_INFO *	info,
		int	lock_flag,
		int	check_keybuffer
	)

_mi_rec_check()

bool _mi_rec_check	(	MI_INFO *	info,
		const uchar *	record,
		uchar *	packpos,
		ulong	packed_length,
		bool	with_checkum
	)

_mi_rec_pack()

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

_mi_rec_pos()

my_off_t _mi_rec_pos	(	MYISAM_SHARE *	info,
		uchar *	ptr
	)

_mi_rec_unpack()

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

_mi_report_crashed()

void _mi_report_crashed	(	MI_INFO *	file,
		const char *	message,
		const char *	sfile,
		uint	sline
	)

Report list of threads (and queries) accessing a table, thread_id of a thread that detected corruption, ource file name and line number where this corruption was detected, optional extra information (string).

This function is intended to be used when table corruption is detected.

Parameters

[in]	file	MI_INFO object.
[in]	message	Optional error message.
[in]	sfile	Name of source file.
[in]	sline	Line number in source file.

_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 *	was_last_key
	)

_mi_split_page()

int _mi_split_page	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		uchar *	key,
		uchar *	buff,
		uchar *	key_buff,
		bool	insert_last
	)

_mi_store_bin_pack_key()

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

_mi_store_blob_length()

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

_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
	)

_mi_test_if_changed()

int _mi_test_if_changed

(

MI_INFO *

info

)

_mi_unmap_file()

void _mi_unmap_file

(

MI_INFO *

info

)

_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_update_static_record()

int _mi_update_static_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_keypage()

int _mi_write_keypage	(	MI_INFO *	info,
		MI_KEYDEF *	keyinfo,
		my_off_t	page,
		int	level,
		uchar *	buff
	)

_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
	)

_mi_write_static_record()

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

_mi_writeinfo()

int _mi_writeinfo	(	MI_INFO *	info,
		uint	options
	)

_my_calc_total_blob_length()

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

_myisam_log()

void _myisam_log	(	enum myisam_log_commands	command,
		MI_INFO *	info,
		const uchar *	buffert,
		uint	length
	)

_myisam_log_command()

void _myisam_log_command	(	enum myisam_log_commands	command,
		MI_INFO *	info,
		const uchar *	buffert,
		uint	length,
		int	result
	)

_myisam_log_record()

void _myisam_log_record	(	enum myisam_log_commands	command,
		MI_INFO *	info,
		const uchar *	record,
		my_off_t	filepos,
		int	result
	)

calc_pack_length()

uint calc_pack_length	(	uint	version,
		ulong	length
	)

check_table_is_closed()

bool check_table_is_closed	(	const char *	name,
		const char *	where
	)

flush_blocks()

int flush_blocks	(	MI_CHECK *	param,
		KEY_CACHE *	key_cache,
		File	file
	)

flush_pending_blocks()

int flush_pending_blocks

(

MI_SORT_PARAM *

param

)

init_myisam_psi_keys()

void init_myisam_psi_keys

(

)

killed_ptr()

volatile int * killed_ptr

(

MI_CHECK *

param

)

mi_alloc_rec_buff()

uchar * mi_alloc_rec_buff	(	MI_INFO *	info,
		ulong	length,
		uchar **	buf
	)

mi_base_info_write()

uint mi_base_info_write	(	File	file,
		MI_BASE_INFO *	base
	)

mi_check_index_cond()

int mi_check_index_cond	(	MI_INFO *	info,
		uint	keynr,
		uchar *	record
	)

mi_check_print_error()

void mi_check_print_error	(	MI_CHECK *	param,
		const char *	fmt,
			...
	)

mi_check_print_info()

void mi_check_print_info	(	MI_CHECK *	param,
		const char *	fmt,
			...
	)

mi_check_print_warning()

void mi_check_print_warning	(	MI_CHECK *	param,
		const char *	fmt,
			...
	)

mi_check_status()

bool mi_check_status

(

void *

param

)

mi_check_unique()

bool mi_check_unique	(	MI_INFO *	info,
		MI_UNIQUEDEF *	def,
		uchar *	record,
		ha_checksum	unique_hash,
		my_off_t	pos
	)

mi_checksum()

ha_checksum mi_checksum	(	MI_INFO *	info,
		const uchar *	buf
	)

mi_copy_status()

void mi_copy_status	(	void *	to,
		void *	from
	)

mi_disable_indexes()

int mi_disable_indexes

(

MI_INFO *

info

)

mi_dynmap_file()

bool mi_dynmap_file	(	MI_INFO *	info,
		my_off_t	size
	)

mi_enable_indexes()

int mi_enable_indexes

(

MI_INFO *

info

)

mi_get_status()

void mi_get_status	(	void *	param,
		int	concurrent_insert
	)

mi_indexes_are_disabled()

int mi_indexes_are_disabled

(

MI_INFO *

info

)

mi_keydef_read()

uchar * mi_keydef_read	(	uchar *	ptr,
		MI_KEYDEF *	keydef
	)

mi_keydef_write()

uint mi_keydef_write	(	File	file,
		MI_KEYDEF *	keydef
	)

mi_keyseg_read()

uchar * mi_keyseg_read	(	uchar *	ptr,
		HA_KEYSEG *	keyseg
	)

mi_keyseg_write()

int mi_keyseg_write	(	File	file,
		const HA_KEYSEG *	keyseg
	)

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_open_datafile()

int mi_open_datafile	(	MI_INFO *	info,
		MYISAM_SHARE *	share,
		const char *	orn_name,
		File	file_to_dup
	)

mi_open_keyfile()

int mi_open_keyfile

(

MYISAM_SHARE *

share

)

mi_recinfo_read()

uchar * mi_recinfo_read	(	uchar *	ptr,
		MI_COLUMNDEF *	recinfo
	)

mi_recinfo_write()

uint mi_recinfo_write	(	File	file,
		MI_COLUMNDEF *	recinfo
	)

mi_remap_file()

void mi_remap_file	(	MI_INFO *	info,
		my_off_t	size
	)

mi_report_error()

void mi_report_error	(	int	errcode,
		const char *	file_name
	)

mi_restore_status()

void mi_restore_status

(

void *

param

)

mi_safe_mul()

ulonglong mi_safe_mul	(	ulonglong	a,
		ulonglong	b
	)

mi_set_index_cond_func()

void mi_set_index_cond_func	(	MI_INFO *	info,
		index_cond_func_t	func,
		void *	func_arg
	)

mi_setup_functions()

void mi_setup_functions

(

MYISAM_SHARE *

share

)

mi_state_info_read()

uchar * mi_state_info_read	(	uchar *	ptr,
		MI_STATE_INFO *	state
	)

mi_state_info_read_dsk()

uint mi_state_info_read_dsk	(	File	file,
		MI_STATE_INFO *	state,
		bool	pRead
	)

mi_state_info_write()

uint mi_state_info_write	(	File	file,
		MI_STATE_INFO *	state,
		uint	pWrite
	)

mi_static_checksum()

ha_checksum mi_static_checksum	(	MI_INFO *	info,
		const uchar *	buf
	)

mi_unique_comp()

int mi_unique_comp	(	MI_UNIQUEDEF *	def,
		const uchar *	a,
		const uchar *	b,
		bool	null_are_equal
	)

mi_unique_hash()

ha_checksum mi_unique_hash	(	MI_UNIQUEDEF *	def,
		const uchar *	buf
	)

mi_uniquedef_read()

uchar * mi_uniquedef_read	(	uchar *	ptr,
		MI_UNIQUEDEF *	keydef
	)

mi_uniquedef_write()

uint mi_uniquedef_write	(	File	file,
		MI_UNIQUEDEF *	keydef
	)

mi_update_status()

void mi_update_status

(

void *

param

)

my_n_base_info_read()

uchar * my_n_base_info_read	(	uchar *	ptr,
		MI_BASE_INFO *	base
	)

read_pack_length()

uint read_pack_length	(	uint	version,
		const uchar *	buf,
		ulong *	length
	)

retrieve_auto_increment()

ulonglong retrieve_auto_increment	(	MI_INFO *	info,
		const uchar *	record
	)

save_pack_length()

uint save_pack_length	(	uint	version,
		uchar *	block_buff,
		ulong	length
	)

sort_ft_buf_flush()

int sort_ft_buf_flush

(

MI_SORT_PARAM *

sort_param

)

sort_write_record()

int sort_write_record

(

MI_SORT_PARAM *

sort_param

)

test_if_reopen()

MI_INFO * test_if_reopen

(

char *

filename

)

Variable Documentation

key_memory_QUEUE

PSI_memory_key key_memory_QUEUE

extern

keycache_tls

thread_local st_keycache_thread_var* keycache_tls

extern

mi_key_cond_MI_SORT_INFO_cond

PSI_cond_key mi_key_cond_MI_SORT_INFO_cond

extern

mi_key_file_datatmp

PSI_file_key mi_key_file_datatmp

extern

mi_key_file_dfile

PSI_file_key mi_key_file_dfile

mi_key_file_kfile

PSI_file_key mi_key_file_kfile

mi_key_file_log

PSI_file_key mi_key_file_log

mi_key_memory_filecopy

PSI_memory_key mi_key_memory_filecopy

extern

mi_key_memory_FT_INFO

PSI_memory_key mi_key_memory_FT_INFO

extern

mi_key_memory_ft_memroot

PSI_memory_key mi_key_memory_ft_memroot

extern

mi_key_memory_ft_stopwords

PSI_memory_key mi_key_memory_ft_stopwords

extern

mi_key_memory_FTB

PSI_memory_key mi_key_memory_FTB

extern

mi_key_memory_FTPARSER_PARAM

PSI_memory_key mi_key_memory_FTPARSER_PARAM

extern

mi_key_memory_keycache_thread_var

PSI_memory_key mi_key_memory_keycache_thread_var

extern

mi_key_memory_MI_DECODE_TREE

PSI_memory_key mi_key_memory_MI_DECODE_TREE

extern

mi_key_memory_MI_INFO

PSI_memory_key mi_key_memory_MI_INFO

extern

mi_key_memory_MI_INFO_bulk_insert

PSI_memory_key mi_key_memory_MI_INFO_bulk_insert

extern

mi_key_memory_MI_INFO_ft1_to_ft2

PSI_memory_key mi_key_memory_MI_INFO_ft1_to_ft2

extern

mi_key_memory_MI_SORT_PARAM

PSI_memory_key mi_key_memory_MI_SORT_PARAM

extern

mi_key_memory_MI_SORT_PARAM_wordroot

PSI_memory_key mi_key_memory_MI_SORT_PARAM_wordroot

extern

mi_key_memory_MYISAM_SHARE

PSI_memory_key mi_key_memory_MYISAM_SHARE

extern

mi_key_memory_MYISAM_SHARE_decode_tables

PSI_memory_key mi_key_memory_MYISAM_SHARE_decode_tables

extern

mi_key_memory_preload_buffer

PSI_memory_key mi_key_memory_preload_buffer

extern

mi_key_memory_record_buffer

PSI_memory_key mi_key_memory_record_buffer

extern

mi_key_memory_SORT_FT_BUF

PSI_memory_key mi_key_memory_SORT_FT_BUF

extern

mi_key_memory_SORT_INFO_buffer

PSI_memory_key mi_key_memory_SORT_INFO_buffer

extern

mi_key_memory_SORT_KEY_BLOCKS

PSI_memory_key mi_key_memory_SORT_KEY_BLOCKS

extern

mi_key_memory_stPageList_pages

PSI_memory_key mi_key_memory_stPageList_pages

extern

mi_key_mutex_MYISAM_SHARE_intern_lock

PSI_mutex_key mi_key_mutex_MYISAM_SHARE_intern_lock

extern

mi_key_rwlock_MYISAM_SHARE_key_root_lock

PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_key_root_lock

extern

mi_key_rwlock_MYISAM_SHARE_mmap_lock

PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_mmap_lock

mi_key_thread_find_all_keys

PSI_thread_key mi_key_thread_find_all_keys

extern

mi_keycache_thread_var_suspend

PSI_cond_key mi_keycache_thread_var_suspend

myisam_file_magic

uchar myisam_file_magic[]

extern

myisam_log_file

File myisam_log_file

extern

myisam_open_list

LIST* myisam_open_list

extern

myisam_pack_file_magic

uchar myisam_pack_file_magic[]

myisam_pid

ulong myisam_pid

extern

myisam_quick_table_bits

uint myisam_quick_table_bits

extern

myisam_read_vec

uint myisam_read_vec[]

extern

myisam_readnext_vec

uint myisam_readnext_vec[]

THR_LOCK_myisam

mysql_mutex_t THR_LOCK_myisam

extern