MySQL 8.0.33
Source Code Documentation
myisamdef.h
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1/*
2 Copyright (c) 2000, 2023, Oracle and/or its affiliates.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License, version 2.0,
6 as published by the Free Software Foundation.
7
8 This program is also distributed with certain software (including
9 but not limited to OpenSSL) that is licensed under separate terms,
10 as designated in a particular file or component or in included license
11 documentation. The authors of MySQL hereby grant you an additional
12 permission to link the program and your derivative works with the
13 separately licensed software that they have included with MySQL.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24/* This file is included by all internal myisam files */
25
26/**
27 @file storage/myisam/myisamdef.h
28*/
29
30#ifndef STORAGE_MYISAM_MYISAMDEF_INCLUDED
31#define STORAGE_MYISAM_MYISAMDEF_INCLUDED 1
32
33#include "my_alloc.h"
34#include "my_checksum.h" // ha_checksum
35#include "my_icp.h"
37#include "myisam.h" /* Structs & some defines */
38#include "myisampack.h" /* packing of keys */
42#include "thr_lock.h"
43
44struct HA_KEYSEG;
45struct KEY_CACHE;
46struct MI_INFO;
48struct TREE;
50
51/* undef map from my_nosys; We need test-if-disk full */
52#if defined(my_write)
53#undef my_write
54#endif
55
57 ha_rows records; /* Rows in table */
58 ha_rows del; /* Removed rows */
59 my_off_t empty; /* lost space in datafile */
60 my_off_t key_empty; /* lost space in indexfile */
64 bool uncacheable; /* Active concurrent insert */
65};
66
68 struct { /* Fileheader */
75 uchar key_parts[2]; /* Key parts */
76 uchar unique_key_parts[2]; /* Key parts + unique parts */
77 uchar keys; /* number of keys in file */
78 uchar uniques; /* number of UNIQUE definitions */
79 uchar language; /* Language (collation) for indexes */
80 uchar max_block_size_index; /* max keyblock size */
82 uchar not_used; /* To align to 8 */
84
86 ha_rows split; /* number of split blocks */
87 my_off_t dellink; /* Link to next removed block */
89 ulong process; /* process that updated table last */
90 ulong unique; /* Unique number for this process */
91 ulong update_count; /* Updated for each write lock */
92 ulong status;
94 my_off_t *key_root; /* Start of key trees */
95 my_off_t *key_del; /* delete links for trees */
96 my_off_t rec_per_key_rows; /* Rows when calculating rec_per_key */
97
98 ulong sec_index_changed; /* Updated when new sec_index */
99 ulong sec_index_used; /* which extra index are in use */
100 ulonglong key_map; /* Which keys are in use */
101 ha_checksum checksum; /* Table checksum */
102 ulong version; /* timestamp of create */
103 time_t create_time; /* Time when created database */
104 time_t recover_time; /* Time for last recover */
105 time_t check_time; /* Time for last check */
106 uint sortkey; /* sorted by this key (not used) */
108 uint8 changed; /* Changed since myisamchk */
109
110 /* the following isn't saved on disk */
111 uint state_diff_length; /* Should be 0 */
112 uint state_length; /* Length of state header in file */
113 ulong *key_info;
114};
115
116#define MI_STATE_INFO_SIZE (24 + 14 * 8 + 7 * 4 + 2 * 2 + 8)
117#define MI_STATE_KEY_SIZE 8
118#define MI_STATE_KEYBLOCK_SIZE 8
119#define MI_STATE_KEYSEG_SIZE 4
120#define MI_STATE_EXTRA_SIZE \
121 ((MI_MAX_KEY + MI_MAX_KEY_BLOCK_SIZE) * MI_STATE_KEY_SIZE + \
122 MI_MAX_KEY * MI_MAX_KEY_SEG * MI_STATE_KEYSEG_SIZE)
123#define MI_KEYDEF_SIZE (2 + 5 * 2)
124#define MI_UNIQUEDEF_SIZE (2 + 1 + 1)
125#define HA_KEYSEG_SIZE (6 + 2 * 2 + 4 * 2)
126#define MI_COLUMNDEF_SIZE (2 * 3 + 1)
127#define MI_BASE_INFO_SIZE (5 * 8 + 8 * 4 + 4 + 4 * 2 + 16)
128#define MI_INDEX_BLOCK_MARGIN 16 /* Safety margin for .MYI tables */
129
131 my_off_t keystart; /* Start of keys */
135 ha_rows records, reloc; /* Create information */
136 ulong mean_row_length; /* Create information */
137 ulong reclength; /* length of unpacked record */
138 ulong pack_reclength; /* Length of full packed rec. */
140 ulong max_pack_length; /* Max possibly length of packed rec.*/
142 ulong fields, /* fields in table */
143 pack_fields; /* packed fields in table */
144 uint rec_reflength; /* = 2-8 */
145 uint key_reflength; /* = 2-8 */
146 uint keys; /* same as in state.header */
147 uint auto_key; /* Which key-1 is a auto key */
148 uint blobs; /* Number of blobs */
149 uint pack_bits; /* Length of packed bits */
150 uint max_key_block_length; /* Max block length */
151 uint max_key_length; /* Max key length */
152 /* Extra allocation when using dynamic record format */
155 /* The following are from the header */
157};
158
159/* Structs used intern in database */
160
161struct MI_BLOB /* Info of record */
162{
163 ulong offset; /* Offset to blob in record */
164 uint pack_length; /* Type of packed length */
165 ulong length; /* Calc:ed for each record */
166};
167
168struct MI_PACK {
172};
173
174#define MAX_NONMAPPED_INSERTS 1000
175
176struct MYISAM_SHARE { /* Shared between opens */
179 MI_KEYDEF ft2_keyinfo; /* Second-level ft-key definition */
180 MI_KEYDEF *keyinfo; /* Key definitions */
181 MI_UNIQUEDEF *uniqueinfo; /* unique definitions */
182 HA_KEYSEG *keyparts; /* key part info */
183 MI_COLUMNDEF *rec; /* Pointer to field information */
184 MI_PACK pack; /* Data about packed records */
185 MI_BLOB *blobs; /* Pointer to blobs */
186 LIST *in_use; /* List of threads using this table */
187 char *unique_file_name; /* realpath() of index file */
188 char *data_file_name, /* Resolved path names from symlinks */
190 uchar *file_map; /* mem-map of file if possible */
191 KEY_CACHE *key_cache; /* ref to the current key cache */
195 int (*write_record)(MI_INFO *, const uchar *);
196 int (*update_record)(MI_INFO *, my_off_t, const uchar *);
198 int (*read_rnd)(MI_INFO *, uchar *, my_off_t, bool);
199 int (*compare_record)(MI_INFO *, const uchar *);
200 /* Function to use for a row checksum. */
203 my_off_t pos);
204 size_t (*file_read)(MI_INFO *, uchar *, size_t, my_off_t, myf);
205 size_t (*file_write)(MI_INFO *, const uchar *, size_t, my_off_t, myf);
206 ulong this_process; /* processid */
207 ulong last_process; /* For table-change-check */
208 ulong last_version; /* Version on start */
209 ulong options; /* Options used */
210 ulong min_pack_length; /* These are used by packed data */
213 uint rec_reflength; /* rec_reflength in use now */
215 uint32 ftkeys; /* Number of full-text keys + 1 */
216 File kfile; /* Shared keyfile */
217 File data_file; /* Shared data file */
218 int mode; /* mode of file on open */
219 uint reopen; /* How many times reopened */
220 uint w_locks, r_locks, tot_locks; /* Number of read/write locks */
221 uint blocksize; /* blocksize of keyfile */
224 /* Below flag is needed to make log tables work with concurrent insert */
226
227 bool changed, /* If changed since lock */
228 global_changed, /* If changed since open */
230
232 mysql_mutex_t intern_lock; /* Locking for use with _locking */
235 uint nonmmaped_inserts; /* counter of writing in non-mmaped
236 area */
238};
239
241
242struct MI_BIT_BUFF { /* Used for packing of record */
247};
248
249typedef ICP_RESULT (*index_cond_func_t)(void *param);
250
251struct MI_INFO {
252 MYISAM_SHARE *s; /* Shared between open:s */
254 MI_BLOB *blobs; /* Pointer to blobs */
256 /* accumulate indexfile changes between write's */
258 DYNAMIC_ARRAY *ft1_to_ft2; /* used only in ft1->ft2 conversion */
259 MEM_ROOT ft_memroot; /* used by the parser */
260 MYSQL_FTPARSER_PARAM *ftparser_param; /* share info between init/deinit */
261 LIST in_use; /* Thread using this table */
262 char *filename; /* parameter to open filename */
263 uchar *buff, /* Temp area for key */
264 *lastkey, *lastkey2; /* Last used search key */
265
266 /* Key used in mi_rnext_same and filled by mi_rkey. */
268 uchar *first_mbr_key; /* Searhed spatial key */
269 uchar *rec_buff; /* Tempbuff for recordpack */
270 uchar *int_keypos, /* Save position for next/previous */
271 *int_maxpos; /* -""- */
272 uint int_nod_flag; /* -""- */
275 ulong this_unique; /* uniq filenumber or thread */
276 ulong last_unique; /* last unique number */
277 ulong this_loop; /* counter for this open */
278 ulong last_loop; /* last used counter */
279 my_off_t lastpos, /* Last record position */
280 nextpos; /* Position to next record */
282 my_off_t pos; /* Intern variable */
283 my_off_t last_keypage; /* Last key page read */
284 my_off_t last_search_keypage; /* Last keypage when searching */
286 ha_checksum checksum; /* Temp storage for row checksum */
287 /* QQ: the following two xxx_length fields should be removed,
288 as they are not compatible with parallel repair */
289 ulong packed_length, blob_length; /* Length of found, packed record */
290 int dfile; /* The datafile */
291 uint opt_flag; /* Optim. for space/speed */
292 uint update; /* If file changed since open */
293 int lastinx; /* Last used index */
294 uint lastkey_length; /* Length of key in lastkey */
295 uint last_rkey_length; /* Last length in mi_rkey() */
296 enum ha_rkey_function last_key_func; /* CONTAIN, OVERLAP, etc */
298 uint pack_key_length; /* For MYISAMMRG */
299 uint16 last_used_keyseg; /* For MyISAMMRG */
300 int errkey; /* Got last error on this key */
301 int lock_type; /* How database was locked */
302 int tmp_lock_type; /* When locked by readinfo */
303 uint data_changed; /* Somebody has changed data */
304 uint save_update; /* When using KEY_READ */
307 IO_CACHE rec_cache; /* When caching records */
308 uint preload_buff_size; /* When preloading indexes */
309 myf lock_wait; /* is 0 or MY_DONT_WAIT */
310 bool was_locked; /* Was locked in panic */
311 bool append_insert_at_end; /* Set if concurrent insert */
313 bool page_changed; /* If info->buff can't be used for rnext */
314 bool buff_used; /* If info->buff has to be reread for rnext */
315 uint8 once_flags; /* For MYISAMMRG */
316
317 /* Used in mi_rnext_same to fill rnext_same_key for the first time. */
319
320 index_cond_func_t index_cond_func; /* Index condition function */
321 void *index_cond_func_arg; /* parameter for the func */
322#ifdef _WIN32
323 bool owned_by_merge; /* This MyISAM table is part of a merge union */
324#endif
326 uchar *rtree_recursion_state; /* For RTREE */
328};
329
330struct BUFFPEK {
331 my_off_t file_pos; /* Where we are in the sort file */
332 uchar *base, *key; /* Key pointers */
333 ha_rows count; /* Number of rows in table */
334 ulong mem_count; /* numbers of keys in memory */
335 ulong max_keys; /* Max keys in buffert */
336};
337
341 MI_BIT_BUFF bit_buff; /* For sort repair of packrec. */
342
343 /*
344 The next two are used to collect statistics, see update_key_parts for
345 description.
346 */
350
355 bool calc_checksum; /* calculate table checksum */
365 int (*key_cmp)(void *, uchar *, uchar *);
366 int (*key_read)(MI_SORT_PARAM *, void *);
367 int (*key_write)(MI_SORT_PARAM *, const void *);
371};
372
373/* Some defines used by isam-funktions */
374
375#define USE_WHOLE_KEY MI_MAX_KEY_BUFF * 2 /* Use whole key in _mi_search() */
376#define F_EXTRA_LCK -1
377
378/* bits in opt_flag */
379#define MEMMAP_USED 32
380#define REMEMBER_OLD_POS 64
381
382#define WRITEINFO_UPDATE_KEYFILE 1
383#define WRITEINFO_NO_UNLOCK 2
384
385/* once_flags */
386#define USE_PACKED_KEYS 1
387#define RRND_PRESERVE_LASTINX 2
388
389/* bits in state.changed */
390
391#define STATE_CHANGED 1
392#define STATE_CRASHED 2
393#define STATE_CRASHED_ON_REPAIR 4
394#define STATE_NOT_ANALYZED 8
395#define STATE_NOT_OPTIMIZED_KEYS 16
396#define STATE_NOT_SORTED_PAGES 32
397
398/* options to mi_read_cache */
399
400#define READING_NEXT 1
401#define READING_HEADER 2
402
403#define mi_getint(x) ((uint)mi_uint2korr(x) & 32767)
404#define mi_putint(x, y, nod) \
405 { \
406 uint16 boh = (nod ? (uint16)32768 : 0) + (uint16)(y); \
407 mi_int2store(x, boh); \
408 }
409#define mi_test_if_nod(x) (x[0] & 128 ? info->s->base.key_reflength : 0)
410#define mi_report_crashed(A, B) _mi_report_crashed((A), (B), __FILE__, __LINE__)
411#define mi_mark_crashed(x) \
412 do { \
413 (x)->s->state.changed |= STATE_CRASHED; \
414 DBUG_PRINT("error", ("Marked table crashed")); \
415 mi_report_crashed((x), 0); \
416 } while (0)
417#define mi_mark_crashed_on_repair(x) \
418 do { \
419 (x)->s->state.changed |= STATE_CRASHED | STATE_CRASHED_ON_REPAIR; \
420 (x)->update |= HA_STATE_CHANGED; \
421 DBUG_PRINT("error", ("Marked table crashed")); \
422 } while (0)
423#define mi_is_crashed(x) ((x)->s->state.changed & STATE_CRASHED)
424#define mi_is_crashed_on_repair(x) \
425 ((x)->s->state.changed & STATE_CRASHED_ON_REPAIR)
426#define mi_print_error(SHARE, ERRNO) \
427 mi_report_error((ERRNO), (SHARE)->index_file_name)
428
429/* Functions to store length of space packed keys, VARCHAR or BLOB keys */
430
431#define store_key_length(key, length) \
432 { \
433 if ((length) < 255) { \
434 *(key) = (length); \
435 } else { \
436 *(key) = 255; \
437 mi_int2store((key) + 1, (length)); \
438 } \
439 }
440
441#define get_key_full_length(length, key) \
442 { \
443 if ((uchar) * (key) != 255) \
444 length = ((uint)(uchar) * ((key)++)) + 1; \
445 else { \
446 length = mi_uint2korr((key) + 1) + 3; \
447 (key) += 3; \
448 } \
449 }
450
451#define get_key_full_length_rdonly(length, key) \
452 { \
453 if ((uchar) * (key) != 255) \
454 length = ((uint)(uchar) * ((key))) + 1; \
455 else { \
456 length = mi_uint2korr((key) + 1) + 3; \
457 } \
458 }
459
460#define get_pack_length(length) ((length) >= 255 ? 3 : 1)
461
462#define MI_MIN_BLOCK_LENGTH 20U /* Because of delete-link */
463#define MI_EXTEND_BLOCK_LENGTH 20 /* Don't use to small record-blocks */
464#define MI_SPLIT_LENGTH ((MI_EXTEND_BLOCK_LENGTH + 4) * 2)
465#define MI_MAX_DYN_BLOCK_HEADER 20 /* Max prefix of record-block */
466#define MI_BLOCK_INFO_HEADER_LENGTH 20
467#define MI_DYN_DELETE_BLOCK_HEADER 20 /* length of delete-block-header */
468#define MI_DYN_MAX_BLOCK_LENGTH ((1L << 24) - 4L)
469#define MI_DYN_MAX_ROW_LENGTH (MI_DYN_MAX_BLOCK_LENGTH - MI_SPLIT_LENGTH)
470#define MI_DYN_ALIGN_SIZE 4 /* Align blocks on this */
471#define MI_MAX_DYN_HEADER_BYTE 13 /* max header byte for dynamic rows */
472#define MI_MAX_BLOCK_LENGTH \
473 ((((ulong)1 << 24) - 1) & (~(ulong)(MI_DYN_ALIGN_SIZE - 1)))
474#define MI_REC_BUFF_OFFSET \
475 ALIGN_SIZE(MI_DYN_DELETE_BLOCK_HEADER + sizeof(uint32))
476
477#define PACK_TYPE_SELECTED 1 /* Bits in field->pack_type */
478#define PACK_TYPE_SPACE_FIELDS 2
479#define PACK_TYPE_ZERO_FILL 4
480#define MI_FOUND_WRONG_KEY 32738 /* Impossible value from ha_key_cmp */
481
482#define MI_MAX_KEY_BLOCK_SIZE \
483 (MI_MAX_KEY_BLOCK_LENGTH / MI_MIN_KEY_BLOCK_LENGTH)
484#define MI_BLOCK_SIZE(key_length, data_pointer, key_pointer, block_size) \
485 (((((key_length) + (data_pointer) + (key_pointer)) * 4 + (key_pointer) + \
486 2) / \
487 (block_size) + \
488 1) * \
489 (block_size))
490#define MI_MAX_KEYPTR_SIZE 5 /* For calculating block lengths */
491#define MI_MIN_KEYBLOCK_LENGTH 50 /* When to split delete blocks */
492
493#define MI_MIN_SIZE_BULK_INSERT_TREE 16384 /* this is per key */
494#define MI_MIN_ROWS_TO_USE_BULK_INSERT 100
495#define MI_MIN_ROWS_TO_DISABLE_INDEXES 100
496#define MI_MIN_ROWS_TO_USE_WRITE_CACHE 10
497
498/* The UNIQUE check is done with a hashed long key */
499
500#define MI_UNIQUE_HASH_TYPE HA_KEYTYPE_ULONG_INT
501#define mi_unique_store(A, B) mi_int4store((A), (B))
502
504
505#ifdef __cplusplus
506extern "C" {
507#endif
508
509/* Some extern variables */
510
511extern LIST *myisam_open_list;
515extern File myisam_log_file;
516extern ulong myisam_pid;
517
518/* This is used by _mi_calc_xxx_key_length och _mi_store_key */
519
523 const uchar *key;
526};
527
528/* Prototypes for intern functions */
529
530extern int _mi_read_dynamic_record(MI_INFO *info, my_off_t filepos, uchar *buf);
531extern int _mi_write_dynamic_record(MI_INFO *, const uchar *);
532extern int _mi_update_dynamic_record(MI_INFO *, my_off_t, const uchar *);
534extern int _mi_cmp_dynamic_record(MI_INFO *info, const uchar *record);
535extern int _mi_read_rnd_dynamic_record(MI_INFO *, uchar *, my_off_t, bool);
536extern int _mi_write_blob_record(MI_INFO *, const uchar *);
537extern int _mi_update_blob_record(MI_INFO *, my_off_t, const uchar *);
538extern int _mi_read_static_record(MI_INFO *info, my_off_t filepos, uchar *buf);
539extern int _mi_write_static_record(MI_INFO *, const uchar *);
540extern int _mi_update_static_record(MI_INFO *, my_off_t, const uchar *);
542extern int _mi_cmp_static_record(MI_INFO *info, const uchar *record);
543extern int _mi_read_rnd_static_record(MI_INFO *, uchar *, my_off_t, bool);
544extern int _mi_ck_write(MI_INFO *info, uint keynr, uchar *key, uint length);
545extern int _mi_ck_real_write_btree(MI_INFO *info, MI_KEYDEF *keyinfo,
546 uchar *key, uint key_length, my_off_t *root,
547 uint comp_flag);
548extern int _mi_enlarge_root(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key,
549 my_off_t *root);
550extern int _mi_insert(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key,
551 uchar *anc_buff, uchar *key_pos, uchar *key_buff,
552 uchar *father_buff, uchar *father_keypos,
553 my_off_t father_page, bool insert_last);
554extern int _mi_split_page(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key,
555 uchar *buff, uchar *key_buff, bool insert_last);
556extern uchar *_mi_find_half_pos(uint nod_flag, MI_KEYDEF *keyinfo, uchar *page,
557 uchar *key, uint *return_key_length,
558 uchar **after_key);
559extern int _mi_calc_static_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
560 const uchar *key_pos, uchar *org_key,
561 uchar *key_buff, const uchar *key,
562 MI_KEY_PARAM *s_temp);
563extern int _mi_calc_var_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
564 const uchar *key_pos, uchar *org_key,
565 uchar *key_buff, const uchar *key,
566 MI_KEY_PARAM *s_temp);
567extern int _mi_calc_var_pack_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
568 const uchar *key_pos, uchar *org_key,
569 uchar *prev_key, const uchar *key,
570 MI_KEY_PARAM *s_temp);
571extern int _mi_calc_bin_pack_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
572 const uchar *key_pos, uchar *org_key,
573 uchar *prev_key, const uchar *key,
574 MI_KEY_PARAM *s_temp);
575void _mi_store_static_key(MI_KEYDEF *keyinfo, uchar *key_pos,
576 MI_KEY_PARAM *s_temp);
577void _mi_store_var_pack_key(MI_KEYDEF *keyinfo, uchar *key_pos,
578 MI_KEY_PARAM *s_temp);
579void _mi_store_bin_pack_key(MI_KEYDEF *keyinfo, uchar *key_pos,
580 MI_KEY_PARAM *s_temp);
581
582extern int _mi_ck_delete(MI_INFO *info, uint keynr, uchar *key,
583 uint key_length);
584extern int _mi_readinfo(MI_INFO *info, int lock_flag, int check_keybuffer);
586extern int _mi_test_if_changed(MI_INFO *info);
589extern int _mi_check_index(MI_INFO *info, int inx);
590extern int _mi_search(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key,
591 uint key_len, uint nextflag, my_off_t pos);
592extern int _mi_bin_search(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page,
593 uchar *key, uint key_len, uint comp_flag,
594 uchar **ret_pos, uchar *buff, bool *was_last_key);
595extern int _mi_seq_search(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page,
596 uchar *key, uint key_len, uint comp_flag,
597 uchar **ret_pos, uchar *buff, bool *was_last_key);
598extern int _mi_prefix_search(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page,
599 uchar *key, uint key_len, uint comp_flag,
600 uchar **ret_pos, uchar *buff, bool *was_last_key);
601extern my_off_t _mi_kpos(uint nod_flag, uchar *after_key);
602extern void _mi_kpointer(MI_INFO *info, uchar *buff, my_off_t pos);
603extern my_off_t _mi_dpos(MI_INFO *info, uint nod_flag, const uchar *after_key);
605extern void _mi_dpointer(MI_INFO *info, uchar *buff, my_off_t pos);
606extern uint _mi_get_static_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page,
607 uchar *key);
608extern uint _mi_get_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page,
609 uchar *key);
610extern uint _mi_get_binary_pack_key(MI_KEYDEF *keyinfo, uint nod_flag,
611 uchar **page_pos, uchar *key);
612extern uchar *_mi_get_last_key(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *keypos,
613 uchar *lastkey, uchar *endpos,
614 uint *return_key_length);
615extern uchar *_mi_get_key(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page,
616 uchar *key, uchar *keypos, uint *return_key_length);
617extern uint _mi_keylength(MI_KEYDEF *keyinfo, const uchar *key);
618extern uint _mi_keylength_part(MI_KEYDEF *keyinfo, const uchar *key,
619 HA_KEYSEG *end);
620extern uchar *_mi_move_key(MI_KEYDEF *keyinfo, uchar *to, const uchar *from);
621extern int _mi_search_next(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key,
622 uint key_length, uint nextflag, my_off_t pos);
623extern int _mi_search_first(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos);
624extern int _mi_search_last(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos);
625extern uchar *_mi_fetch_keypage(MI_INFO *info, MI_KEYDEF *keyinfo,
626 my_off_t page, int level, uchar *buff,
627 int return_buffer);
628extern int _mi_write_keypage(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t page,
629 int level, uchar *buff);
630extern int _mi_dispose(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos,
631 int level);
632extern my_off_t _mi_new(MI_INFO *info, MI_KEYDEF *keyinfo, int level);
633extern uint _mi_make_key(MI_INFO *info, uint keynr, uchar *key,
634 const uchar *record, my_off_t filepos);
635extern uint _mi_pack_key(MI_INFO *info, uint keynr, uchar *key,
636 const uchar *old, key_part_map keypart_map,
637 HA_KEYSEG **last_used_keyseg);
638extern int _mi_read_key_record(MI_INFO *info, my_off_t filepos, uchar *buf);
639extern int _mi_read_cache(IO_CACHE *info, uchar *buff, my_off_t pos,
640 uint length, int re_read_if_possibly);
642
643extern uchar *mi_alloc_rec_buff(MI_INFO *, ulong, uchar **);
644#define mi_get_rec_buff_ptr(info, buf) \
645 ((((info)->s->options & HA_OPTION_PACK_RECORD) && (buf)) \
646 ? (buf)-MI_REC_BUFF_OFFSET \
647 : (buf))
648#define mi_get_rec_buff_len(info, buf) \
649 (*((uint32 *)(mi_get_rec_buff_ptr(info, buf))))
650
651extern size_t _mi_rec_unpack(MI_INFO *info, uchar *to, const uchar *from,
652 ulong reclength);
653extern bool _mi_rec_check(MI_INFO *info, const uchar *record, uchar *packpos,
654 ulong packed_length, bool with_checkum);
655extern int _mi_write_part_record(MI_INFO *info, my_off_t filepos, ulong length,
656 my_off_t next_filepos, uchar **record,
657 ulong *reclength, int *flag);
658extern void _mi_print_key(FILE *stream, HA_KEYSEG *keyseg, const uchar *key,
659 uint length);
660extern bool _mi_read_pack_info(MI_INFO *info, bool fix_keys);
661extern int _mi_read_pack_record(MI_INFO *info, my_off_t filepos, uchar *buf);
662extern int _mi_read_rnd_pack_record(MI_INFO *, uchar *, my_off_t, bool);
663extern int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to,
664 uchar *from, ulong reclength);
666extern int _mi_ft_update(MI_INFO *info, uint keynr, uchar *keybuf,
667 const uchar *oldrec, const uchar *newrec,
668 my_off_t pos);
669
670#ifdef __cplusplus
671}
672#endif
673
674struct MI_BLOCK_INFO { /* Parameter to _mi_get_block_info */
676 ulong rec_len;
677 ulong data_len;
679 ulong blob_len;
685};
686
687/* bits in return from _mi_get_block_info */
688
689#define BLOCK_FIRST 1
690#define BLOCK_LAST 2
691#define BLOCK_DELETED 4
692#define BLOCK_ERROR 8 /* Wrong data */
693#define BLOCK_SYNC_ERROR 16 /* Right data at wrong place */
694#define BLOCK_FATAL_ERROR 32 /* hardware-error */
695
696#define NEED_MEM \
697 ((uint)10 * 4 * (IO_SIZE + 32) + 32) /* Needed for recursion \
698 */
699#define MAXERR 20
700#define BUFFERS_WHEN_SORTING 16 /* Alloc for sort-key-tree */
701#define MY_HOW_OFTEN_TO_WRITE 1000 /* How often we want info on screen */
702#define WRITE_COUNT MY_HOW_OFTEN_TO_WRITE
703#define INDEX_TMP_EXT ".TMM"
704#define DATA_TMP_EXT ".TMD"
706#define UPDATE_TIME 1
707#define UPDATE_STAT 2
708#define UPDATE_SORT 4
709#define UPDATE_AUTO_INC 8
710#define UPDATE_OPEN_COUNT 16
712#define USE_BUFFER_INIT (((1024L * 512L - MALLOC_OVERHEAD) / IO_SIZE) * IO_SIZE)
713#define READ_BUFFER_INIT (1024L * 256L - MALLOC_OVERHEAD)
714#define SORT_BUFFER_INIT (2048L * 1024L - MALLOC_OVERHEAD)
715#define MIN_SORT_BUFFER (4096ULL - MALLOC_OVERHEAD)
726};
728#define myisam_log(a, b, c, d) \
729 if (myisam_log_file >= 0) _myisam_log(a, b, c, d)
730#define myisam_log_command(a, b, c, d, e) \
731 if (myisam_log_file >= 0) _myisam_log_command(a, b, c, d, e)
732#define myisam_log_record(a, b, c, d, e) \
733 if (myisam_log_file >= 0) _myisam_log_record(a, b, c, d, e)
735#define fast_mi_writeinfo(INFO) \
736 if (!(INFO)->s->tot_locks) (void)_mi_writeinfo((INFO), 0)
737#define fast_mi_readinfo(INFO) \
738 ((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO), F_RDLCK, 1)
739
740#ifdef __cplusplus
741extern "C" {
742#endif
743
745extern uint _mi_rec_pack(MI_INFO *info, uchar *to, const uchar *from);
746extern uint _mi_pack_get_block_info(MI_INFO *myisam, MI_BIT_BUFF *bit_buff,
747 MI_BLOCK_INFO *info, uchar **rec_buff_p,
748 File file, my_off_t filepos);
749extern void _mi_store_blob_length(uchar *pos, uint pack_length, uint length);
751 const uchar *buffert, uint length);
753 const uchar *buffert, uint length, int result);
755 const uchar *record, my_off_t filepos,
756 int result);
757extern void mi_report_error(int errcode, const char *file_name);
758extern bool _mi_memmap_file(MI_INFO *info);
759extern void _mi_unmap_file(MI_INFO *info);
760extern uint save_pack_length(uint version, uchar *block_buff, ulong length);
761extern uint read_pack_length(uint version, const uchar *buf, ulong *length);
763extern size_t mi_mmap_pread(MI_INFO *info, uchar *Buffer, size_t Count,
764 my_off_t offset, myf MyFlags);
765extern size_t mi_mmap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count,
766 my_off_t offset, myf MyFlags);
767extern size_t mi_nommap_pread(MI_INFO *info, uchar *Buffer, size_t Count,
768 my_off_t offset, myf MyFlags);
769extern size_t mi_nommap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count,
770 my_off_t offset, myf MyFlags);
771
777int mi_keyseg_write(File file, const HA_KEYSEG *keyseg);
778uchar *mi_keyseg_read(uchar *ptr, HA_KEYSEG *keyseg);
780uchar *mi_keydef_read(uchar *ptr, MI_KEYDEF *keydef);
784uchar *mi_recinfo_read(uchar *ptr, MI_COLUMNDEF *recinfo);
785extern int mi_disable_indexes(MI_INFO *info);
786extern int mi_enable_indexes(MI_INFO *info);
795 my_off_t pos);
797 const uchar *record, my_off_t pos);
798int mi_unique_comp(MI_UNIQUEDEF *def, const uchar *a, const uchar *b,
799 bool null_are_equal);
800void mi_get_status(void *param, int concurrent_insert);
801void mi_update_status(void *param);
802void mi_restore_status(void *param);
803void mi_copy_status(void *to, void *from);
804bool mi_check_status(void *param);
805
807bool check_table_is_closed(const char *name, const char *where);
808int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, const char *orn_name,
809 File file_to_dup);
810
811int mi_open_keyfile(MYISAM_SHARE *share);
816void _mi_report_crashed(MI_INFO *file, const char *message, const char *sfile,
817 uint sline);
818
820
821/* Functions needed by mi_check */
822volatile int *killed_ptr(MI_CHECK *param);
823void mi_check_print_error(MI_CHECK *param, const char *fmt, ...)
824 MY_ATTRIBUTE((format(printf, 2, 3)));
825void mi_check_print_warning(MI_CHECK *param, const char *fmt, ...)
826 MY_ATTRIBUTE((format(printf, 2, 3)));
827void mi_check_print_info(MI_CHECK *param, const char *fmt, ...)
828 MY_ATTRIBUTE((format(printf, 2, 3)));
830int sort_ft_buf_flush(MI_SORT_PARAM *sort_param);
831int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file);
832
833int sort_write_record(MI_SORT_PARAM *sort_param);
834int _create_index_by_sort(MI_SORT_PARAM *info, bool no_messages, ulonglong);
835
837 void *func_arg);
838
839#ifdef __cplusplus
840extern thread_local st_keycache_thread_var *keycache_tls;
841}
842#endif
843
844#ifdef HAVE_PSI_INTERFACE
846
849
855
857
859#endif /* HAVE_PSI_INTERFACE */
860
883
884#endif // STORAGE_MYISAM_MYISAMDEF_INCLUDED
int page
Definition: ctype-mb.cc:1235
ulonglong unique_hash(const Field *field, ulonglong *hash_val)
Generate hash for a field.
Definition: sql_executor.cc:3932
unsigned int PSI_cond_key
Instrumented cond key.
Definition: psi_cond_bits.h:43
unsigned int PSI_file_key
Instrumented file key.
Definition: psi_file_bits.h:47
unsigned int PSI_memory_key
Instrumented memory key.
Definition: psi_memory_bits.h:48
unsigned int PSI_mutex_key
Instrumented mutex key.
Definition: psi_mutex_bits.h:51
unsigned int PSI_rwlock_key
Instrumented rwlock key.
Definition: psi_rwlock_bits.h:43
unsigned int PSI_thread_key
Instrumented thread key.
Definition: psi_thread_bits.h:49
static int flag
Definition: hp_test1.cc:39
static int reclength
Definition: hp_test2.cc:48
Instrumentation helpers for mysys threads.
This file follows Google coding style, except for the name MEM_ROOT (which is kept for historical rea...
data_file_type
Definition: my_base.h:1068
ha_rkey_function
Definition: my_base.h:77
ulong key_part_map
Definition: my_base.h:1006
my_off_t ha_rows
Definition: my_base.h:1139
Abstraction functions over zlib/intrinsics.
std::uint32_t ha_checksum
Definition: my_checksum.h:105
enum icp_result ICP_RESULT
Values returned by index_cond_func_xxx functions.
int myf
Definition: my_inttypes.h:93
unsigned long long int ulonglong
Definition: my_inttypes.h:55
uint8_t uint8
Definition: my_inttypes.h:62
ulonglong my_off_t
Definition: my_inttypes.h:71
unsigned char uchar
Definition: my_inttypes.h:51
uint16_t uint16
Definition: my_inttypes.h:64
uint32_t uint32
Definition: my_inttypes.h:66
int File
Definition: my_io_bits.h:50
Some macros for dealing with pointer arithmetic, e.g., aligning of buffers to a given size.
This file should be included when using myisam functions.
#define MI_MAX_KEY_SEG
Definition: myisam.h:64
void _mi_print_key(FILE *stream, HA_KEYSEG *keyseg, const uchar *key, uint length)
Definition: mi_dbug.cc:33
uint myisam_quick_table_bits
Definition: mi_static.cc:55
PSI_memory_key mi_key_memory_ft_stopwords
Definition: mi_static.cc:105
size_t mi_nommap_pread(MI_INFO *info, uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
Definition: mi_dynrec.cc:193
int _mi_decrement_open_count(MI_INFO *info)
Definition: mi_locking.cc:500
int flush_pending_blocks(MI_SORT_PARAM *param)
Definition: mi_check.cc:3243
ulong myisam_pid
Definition: mi_log.cc:47
int mi_munmap_file(MI_INFO *info)
Definition: mi_dynrec.cc:124
uint mi_uniquedef_write(File file, MI_UNIQUEDEF *keydef)
Definition: mi_open.cc:1172
PSI_memory_key mi_key_memory_FTPARSER_PARAM
Definition: mi_static.cc:103
int _mi_read_cache(IO_CACHE *info, uchar *buff, my_off_t pos, uint length, int re_read_if_possibly)
Definition: mi_cache.cc:52
void init_myisam_psi_keys()
Definition: mi_static.cc:201
uint _mi_get_block_info(MI_BLOCK_INFO *, File, my_off_t)
Definition: mi_dynrec.cc:1641
myisam_log_commands
Definition: myisamdef.h:716
@ MI_LOG_EXTRA
Definition: myisamdef.h:722
@ MI_LOG_UPDATE
Definition: myisamdef.h:719
@ MI_LOG_DELETE_ALL
Definition: myisamdef.h:724
@ MI_LOG_DELETE
Definition: myisamdef.h:720
@ MI_LOG_OPEN
Definition: myisamdef.h:717
@ MI_LOG_LOCK
Definition: myisamdef.h:723
@ MI_LOG_WRITE
Definition: myisamdef.h:718
@ MI_LOG_CLOSE
Definition: myisamdef.h:721
int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file)
Definition: mi_check.cc:1737
void _myisam_log_record(enum myisam_log_commands command, MI_INFO *info, const uchar *record, my_off_t filepos, int result)
Definition: mi_log.cc:115
PSI_file_key mi_key_file_kfile
Definition: myisamdef.h:852
int _mi_update_static_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_statrec.cc:87
uchar * mi_recinfo_read(uchar *ptr, MI_COLUMNDEF *recinfo)
Definition: mi_open.cc:1209
size_t mi_nommap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
Definition: mi_dynrec.cc:239
thread_local st_keycache_thread_var * keycache_tls
Definition: mi_static.cc:67
PSI_file_key mi_key_file_datatmp
Definition: mi_static.cc:146
int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to, uchar *from, ulong reclength)
Definition: mi_packrec.cc:699
ha_checksum mi_checksum(MI_INFO *info, const uchar *buf)
Definition: mi_checksum.cc:32
uchar * _mi_get_last_key(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *keypos, uchar *lastkey, uchar *endpos, uint *return_key_length)
Definition: mi_search.cc:1009
PSI_memory_key mi_key_memory_MI_INFO_bulk_insert
Definition: mi_static.cc:99
void _mi_store_var_pack_key(MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
Definition: mi_search.cc:1642
bool _mi_memmap_file(MI_INFO *info)
Definition: mi_packrec.cc:1338
my_off_t _mi_kpos(uint nod_flag, uchar *after_key)
Definition: mi_search.cc:514
bool _mi_read_pack_info(MI_INFO *info, bool fix_keys)
Definition: mi_packrec.cc:153
int _mi_enlarge_root(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, my_off_t *root)
Definition: mi_write.cc:263
bool _mi_rec_check(MI_INFO *info, const uchar *record, uchar *packpos, ulong packed_length, bool with_checkum)
Definition: mi_dynrec.cc:954
PSI_memory_key mi_key_memory_FT_INFO
Definition: mi_static.cc:102
PSI_memory_key mi_key_memory_SORT_INFO_buffer
Definition: mi_static.cc:111
uint myisam_read_vec[]
Definition: mi_static.cc:78
PSI_mutex_key mi_key_mutex_MYISAM_SHARE_intern_lock
Definition: mi_static.cc:119
uint mi_base_info_write(File file, MI_BASE_INFO *base)
Definition: mi_open.cc:971
PSI_memory_key mi_key_memory_stPageList_pages
Definition: mi_static.cc:115
PSI_memory_key mi_key_memory_preload_buffer
Definition: mi_static.cc:114
int mi_unique_comp(MI_UNIQUEDEF *def, const uchar *a, const uchar *b, bool null_are_equal)
Definition: mi_unique.cc:142
void mi_restore_status(void *param)
Definition: mi_locking.cc:318
int _mi_read_rnd_dynamic_record(MI_INFO *, uchar *, my_off_t, bool)
Definition: mi_dynrec.cc:1480
int _mi_update_dynamic_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_dynrec.cc:249
int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, const char *orn_name, File file_to_dup)
Definition: mi_open.cc:1229
int _mi_ft_update(MI_INFO *info, uint keynr, uchar *keybuf, const uchar *oldrec, const uchar *newrec, my_off_t pos)
Definition: ft_update.cc:186
uchar * mi_state_info_read(uchar *ptr, MI_STATE_INFO *state)
Definition: mi_open.cc:879
void mi_check_print_warning(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:574
PSI_memory_key mi_key_memory_MI_SORT_PARAM_wordroot
Definition: mi_static.cc:107
int mi_check_index_cond(MI_INFO *info, uint keynr, uchar *record)
Definition: mi_key.cc:421
PSI_memory_key mi_key_memory_record_buffer
Definition: mi_static.cc:100
mysql_mutex_t THR_LOCK_myisam
Definition: my_thr_init.cc:72
uchar * my_n_base_info_read(uchar *ptr, MI_BASE_INFO *base)
Definition: mi_open.cc:1020
void _myisam_log_command(enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length, int result)
Definition: mi_log.cc:95
uchar * mi_uniquedef_read(uchar *ptr, MI_UNIQUEDEF *keydef)
Definition: mi_open.cc:1184
void _mi_unmap_file(MI_INFO *info)
Definition: mi_packrec.cc:1386
int mi_open_keyfile(MYISAM_SHARE *share)
Definition: mi_open.cc:1259
uint mi_recinfo_write(File file, MI_COLUMNDEF *recinfo)
Definition: mi_open.cc:1195
uchar * _mi_fetch_keypage(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t page, int level, uchar *buff, int return_buffer)
Definition: mi_page.cc:36
void _mi_store_static_key(MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
Definition: mi_search.cc:1625
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)
Definition: mi_dynrec.cc:543
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 corruptio...
Definition: ha_myisam.cc:596
void _mi_store_blob_length(uchar *pos, uint pack_length, uint length)
Definition: mi_dynrec.cc:1181
int _mi_read_rnd_static_record(MI_INFO *, uchar *, my_off_t, bool)
Definition: mi_statrec.cc:173
void _mi_kpointer(MI_INFO *info, uchar *buff, my_off_t pos)
Definition: mi_search.cc:539
int _mi_ck_write(MI_INFO *info, uint keynr, uchar *key, uint length)
Definition: mi_write.cc:208
PSI_memory_key mi_key_memory_SORT_FT_BUF
Definition: mi_static.cc:108
void _mi_dpointer(MI_INFO *info, uchar *buff, my_off_t pos)
Definition: mi_search.cc:650
PSI_memory_key mi_key_memory_keycache_thread_var
Definition: mi_static.cc:116
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)
Definition: mi_search.cc:239
#define MI_BLOCK_INFO_HEADER_LENGTH
Definition: myisamdef.h:466
uchar myisam_file_magic[]
Definition: mi_static.cc:41
int _mi_read_pack_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_packrec.cc:676
int _mi_write_blob_record(MI_INFO *, const uchar *)
Definition: mi_dynrec.cc:255
bool mi_dynmap_file(MI_INFO *info, my_off_t size)
Definition: mi_dynrec.cc:78
ulonglong mi_safe_mul(ulonglong a, ulonglong b)
Definition: mi_open.cc:692
uint myisam_readnext_vec[]
Definition: myisamdef.h:513
uint mi_bit_type
Definition: myisamdef.h:240
int _mi_update_blob_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_dynrec.cc:280
MI_INFO * test_if_reopen(char *filename)
Definition: mi_open.cc:79
uint _mi_get_binary_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page_pos, uchar *key)
Definition: mi_search.cc:821
int mi_keyseg_write(File file, const HA_KEYSEG *keyseg)
Definition: mi_open.cc:1117
void mi_setup_functions(MYISAM_SHARE *share)
Definition: mi_open.cc:701
PSI_memory_key mi_key_memory_MI_INFO_ft1_to_ft2
Definition: mi_static.cc:98
File myisam_log_file
Definition: mi_static.cc:54
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)
Definition: mi_search.cc:1550
uint mi_state_info_write(File file, MI_STATE_INFO *state, uint pWrite)
Definition: mi_open.cc:794
PSI_memory_key key_memory_QUEUE
Definition: mi_static.cc:117
int _mi_readinfo(MI_INFO *info, int lock_flag, int check_keybuffer)
Definition: mi_locking.cc:368
PSI_memory_key mi_key_memory_MYISAM_SHARE_decode_tables
Definition: mi_static.cc:113
bool mi_check_status(void *param)
Definition: mi_locking.cc:349
int _mi_ck_real_write_btree(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_length, my_off_t *root, uint comp_flag)
Definition: mi_write.cc:248
PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_key_root_lock
Definition: mi_static.cc:127
int _mi_write_keypage(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t page, int level, uchar *buff)
Definition: mi_page.cc:72
void mi_set_index_cond_func(MI_INFO *info, index_cond_func_t func, void *func_arg)
Definition: mi_extra.cc:210
void mi_report_error(int errcode, const char *file_name)
Definition: mi_info.cc:124
int _mi_delete_dynamic_record(MI_INFO *info)
Definition: mi_dynrec.cc:302
my_off_t _mi_dpos(MI_INFO *info, uint nod_flag, const uchar *after_key)
Definition: mi_search.cc:570
uchar * mi_keydef_read(uchar *ptr, MI_KEYDEF *keydef)
Definition: mi_open.cc:1091
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)
Definition: mi_search.cc:1264
void mi_check_print_info(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:567
int _mi_write_static_record(MI_INFO *, const uchar *)
Definition: mi_statrec.cc:34
uint _mi_pack_key(MI_INFO *info, uint keynr, uchar *key, const uchar *old, key_part_map keypart_map, HA_KEYSEG **last_used_keyseg)
Definition: mi_key.cc:196
void mi_remap_file(MI_INFO *info, my_off_t size)
Definition: mi_dynrec.cc:147
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)
Definition: mi_search.cc:180
int _mi_read_static_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_statrec.cc:147
uint mi_state_info_read_dsk(File file, MI_STATE_INFO *state, bool pRead)
Definition: mi_open.cc:953
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)
Definition: mi_write.cc:404
int _mi_cmp_static_record(MI_INFO *info, const uchar *record)
Definition: mi_statrec.cc:106
PSI_cond_key mi_key_cond_MI_SORT_INFO_cond
PSI_memory_key mi_key_memory_MI_DECODE_TREE
Definition: mi_static.cc:112
int _mi_write_dynamic_record(MI_INFO *, const uchar *)
Definition: mi_dynrec.cc:244
uint mi_keydef_write(File file, MI_KEYDEF *keydef)
Definition: mi_open.cc:1072
uchar * _mi_move_key(MI_KEYDEF *keyinfo, uchar *to, const uchar *from)
Definition: mi_search.cc:1091
uint _mi_get_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page, uchar *key)
Definition: mi_search.cc:712
void _mi_store_bin_pack_key(MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
Definition: mi_search.cc:1690
int mi_disable_indexes(MI_INFO *info)
Definition: mi_open.cc:1281
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)
Definition: mi_search.cc:1303
ha_checksum mi_static_checksum(MI_INFO *info, const uchar *buf)
Definition: mi_checksum.cc:67
int sort_write_record(MI_SORT_PARAM *sort_param)
Definition: mi_check.cc:2808
my_off_t _mi_new(MI_INFO *info, MI_KEYDEF *keyinfo, int level)
Definition: mi_page.cc:119
ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const uchar *buf)
Definition: mi_unique.cc:83
void _myisam_log(enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length)
Definition: mi_log.cc:74
int _mi_dispose(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos, int level)
Definition: mi_page.cc:101
int _mi_read_rnd_pack_record(MI_INFO *, uchar *, my_off_t, bool)
Definition: mi_packrec.cc:1167
bool mi_check_unique(MI_INFO *info, MI_UNIQUEDEF *def, uchar *record, ha_checksum unique_hash, my_off_t pos)
Definition: mi_unique.cc:36
int _mi_search_first(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos)
Definition: mi_search.cc:1175
void mi_copy_status(void *to, void *from)
Definition: mi_locking.cc:324
PSI_cond_key mi_keycache_thread_var_suspend
Definition: myisamdef.h:850
void mi_get_status(void *param, int concurrent_insert)
Definition: mi_locking.cc:261
int _mi_cmp_dynamic_unique(MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
Definition: mi_dynrec.cc:1327
int _mi_cmp_dynamic_record(MI_INFO *info, const uchar *record)
Definition: mi_dynrec.cc:1353
PSI_thread_key mi_key_thread_find_all_keys
Definition: mi_static.cc:157
int mi_enable_indexes(MI_INFO *info)
Definition: mi_open.cc:1307
uint calc_pack_length(uint version, ulong length)
Definition: mi_packrec.cc:1509
PSI_memory_key mi_key_memory_FTB
Definition: mi_static.cc:101
my_off_t _mi_rec_pos(MYISAM_SHARE *info, uchar *ptr)
Definition: mi_search.cc:606
PSI_file_key mi_key_file_log
Definition: myisamdef.h:853
int sort_ft_buf_flush(MI_SORT_PARAM *sort_param)
Definition: mi_check.cc:2978
PSI_memory_key mi_key_memory_MYISAM_SHARE
Definition: mi_static.cc:96
bool check_table_is_closed(const char *name, const char *where)
ulonglong retrieve_auto_increment(MI_INFO *info, const uchar *record)
Definition: mi_key.cc:443
uint _mi_keylength_part(MI_KEYDEF *keyinfo, const uchar *key, HA_KEYSEG *end)
Definition: mi_search.cc:1073
size_t mi_mmap_pread(MI_INFO *info, uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
Definition: mi_dynrec.cc:169
int _mi_search_last(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos)
Definition: mi_search.cc:1214
uchar myisam_pack_file_magic[]
Definition: myisamdef.h:512
int _mi_read_key_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_key.cc:387
uint save_pack_length(uint version, uchar *block_buff, ulong length)
Definition: mi_packrec.cc:1469
int _mi_read_dynamic_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_dynrec.cc:1232
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)
Definition: mi_search.cc:1275
uchar * mi_keyseg_read(uchar *ptr, HA_KEYSEG *keyseg)
Definition: mi_open.cc:1141
int mi_indexes_are_disabled(MI_INFO *info)
Definition: mi_open.cc:1336
int _mi_split_page(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uchar *buff, uchar *key_buff, bool insert_last)
Definition: mi_write.cc:516
PSI_file_key mi_key_file_dfile
Definition: myisamdef.h:852
size_t mi_mmap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
Definition: mi_dynrec.cc:214
PSI_memory_key mi_key_memory_ft_memroot
Definition: mi_static.cc:104
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)
Definition: mi_search.cc:277
LIST * myisam_open_list
Definition: mi_static.cc:40
int _mi_mark_file_changed(MI_INFO *info)
Definition: mi_locking.cc:473
ulong _my_calc_total_blob_length(MI_INFO *info, const uchar *record)
Definition: mi_dynrec.cc:1152
uchar * _mi_get_key(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uchar *keypos, uint *return_key_length)
Definition: mi_search.cc:951
PSI_memory_key mi_key_memory_MI_INFO
Definition: mi_static.cc:97
size_t _mi_rec_unpack(MI_INFO *info, uchar *to, const uchar *from, ulong reclength)
Definition: mi_dynrec.cc:1045
int _mi_check_index(MI_INFO *info, int inx)
Definition: mi_search.cc:45
uint _mi_keylength(MI_KEYDEF *keyinfo, const uchar *key)
Definition: mi_search.cc:1045
int _mi_test_if_changed(MI_INFO *info)
Definition: mi_locking.cc:434
PSI_memory_key mi_key_memory_filecopy
Definition: mi_static.cc:110
PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_mmap_lock
Definition: myisamdef.h:847
int _create_index_by_sort(MI_SORT_PARAM *info, bool no_messages, ulonglong)
Definition: sort.cc:108
ICP_RESULT(* index_cond_func_t)(void *param)
Definition: myisamdef.h:249
PSI_memory_key mi_key_memory_MI_SORT_PARAM
Definition: mi_static.cc:106
volatile int * killed_ptr(MI_CHECK *param)
Definition: ha_myisam.cc:553
PSI_memory_key mi_key_memory_SORT_KEY_BLOCKS
Definition: mi_static.cc:109
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)
Definition: mi_packrec.cc:1221
void mi_check_print_error(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:558
int _mi_cmp_static_unique(MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
Definition: mi_statrec.cc:131
int _mi_search_next(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_length, uint nextflag, my_off_t pos)
Definition: mi_search.cc:1100
uint read_pack_length(uint version, const uchar *buf, ulong *length)
Definition: mi_packrec.cc:1491
uint _mi_make_key(MI_INFO *info, uint keynr, uchar *key, const uchar *record, my_off_t filepos)
Definition: mi_key.cc:62
int _mi_delete_static_record(MI_INFO *info)
Definition: mi_statrec.cc:93
void mi_update_status(void *param)
Definition: mi_locking.cc:281
uint _mi_rec_pack(MI_INFO *info, uchar *to, const uchar *from)
Definition: mi_dynrec.cc:854
int _mi_ck_delete(MI_INFO *info, uint keynr, uchar *key, uint key_length)
Definition: mi_delete.cc:133
int _mi_writeinfo(MI_INFO *info, uint options)
Definition: mi_locking.cc:396
uchar * _mi_find_half_pos(uint nod_flag, MI_KEYDEF *keyinfo, uchar *page, uchar *key, uint *return_key_length, uchar **after_key)
Definition: mi_write.cc:580
uchar * mi_alloc_rec_buff(MI_INFO *, ulong, uchar **)
Definition: mi_open.cc:658
int _mi_search(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_len, uint nextflag, my_off_t pos)
Definition: mi_search.cc:76
uint _mi_get_static_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page, uchar *key)
Definition: mi_search.cc:691
Storing of values in high byte first order.
Instrumentation helpers for mysys file io.
Log info(cout, "NOTE")
static char * where
Definition: mysqldump.cc:136
static int record
Definition: mysqltest.cc:187
Definition: buf0block_hint.cc:29
const std::string FILE("FILE")
Definition: os0file.h:85
bool length(const dd::Spatial_reference_system *srs, const Geometry *g1, double *length, bool *null) noexcept
Computes the length of linestrings and multilinestrings.
Definition: length.cc:75
std::string file_name(Log_file_id file_id)
Provides name of the log file with the given file id, e.g.
Definition: log0pre_8_0_30.cc:93
Definition: options.cc:48
Cursor end()
A past-the-end Cursor.
Definition: rules_table_service.cc:191
const char * filename
Definition: pfs_example_component_population.cc:66
Instrumentation helpers for rwlock.
required string key
Definition: replication_asynchronous_connection_failover.proto:59
required uint64 version
Definition: replication_group_member_actions.proto:40
case opt name
Definition: sslopt-case.h:32
Definition: myisamdef.h:330
ulong mem_count
Definition: myisamdef.h:334
uchar * key
Definition: myisamdef.h:332
uchar * base
Definition: myisamdef.h:332
ha_rows count
Definition: myisamdef.h:333
my_off_t file_pos
Definition: myisamdef.h:331
ulong max_keys
Definition: myisamdef.h:335
Definition: my_sys.h:302
Definition: my_compare.h:59
Definition: my_sys.h:340
Definition: keycache.h:72
Definition: my_list.h:35
The MEM_ROOT is a simple arena, where allocations are carved out of larger blocks.
Definition: my_alloc.h:82
Definition: myisamdef.h:130
uint all_key_parts
Definition: myisamdef.h:156
uint keys
Definition: myisamdef.h:146
uint key_reflength
Definition: myisamdef.h:145
uint rec_reflength
Definition: myisamdef.h:144
my_off_t margin_key_file_length
Definition: myisamdef.h:134
my_off_t keystart
Definition: myisamdef.h:131
uint max_key_block_length
Definition: myisamdef.h:150
ulong reclength
Definition: myisamdef.h:137
ha_rows records
Definition: myisamdef.h:135
uint pack_bits
Definition: myisamdef.h:149
ulong pack_reclength
Definition: myisamdef.h:138
ulong fields
Definition: myisamdef.h:142
ulong min_block_length
Definition: myisamdef.h:141
my_off_t max_key_file_length
Definition: myisamdef.h:133
uint key_parts
Definition: myisamdef.h:156
uint extra_alloc_procent
Definition: myisamdef.h:154
ulong mean_row_length
Definition: myisamdef.h:136
uint max_key_length
Definition: myisamdef.h:151
uint extra_alloc_bytes
Definition: myisamdef.h:153
ulong pack_fields
Definition: myisamdef.h:143
my_off_t max_data_file_length
Definition: myisamdef.h:132
uint blobs
Definition: myisamdef.h:148
ulong min_pack_length
Definition: myisamdef.h:139
uint auto_key
Definition: myisamdef.h:147
ha_rows reloc
Definition: myisamdef.h:135
ulong max_pack_length
Definition: myisamdef.h:140
Definition: myisamdef.h:242
uint bits
Definition: myisamdef.h:244
uchar * pos
Definition: myisamdef.h:245
uchar * blob_end
Definition: myisamdef.h:245
uchar * blob_pos
Definition: myisamdef.h:245
uint error
Definition: myisamdef.h:246
uchar * end
Definition: myisamdef.h:245
mi_bit_type current_byte
Definition: myisamdef.h:243
Definition: myisamdef.h:162
ulong length
Definition: myisamdef.h:165
ulong offset
Definition: myisamdef.h:163
uint pack_length
Definition: myisamdef.h:164
Definition: myisamdef.h:674
my_off_t next_filepos
Definition: myisamdef.h:681
uint second_read
Definition: myisamdef.h:683
uchar header[MI_BLOCK_INFO_HEADER_LENGTH]
Definition: myisamdef.h:675
my_off_t prev_filepos
Definition: myisamdef.h:682
my_off_t filepos
Definition: myisamdef.h:680
ulong rec_len
Definition: myisamdef.h:676
uint offset
Definition: myisamdef.h:684
ulong data_len
Definition: myisamdef.h:677
ulong block_len
Definition: myisamdef.h:678
ulong blob_len
Definition: myisamdef.h:679
Definition: myisam.h:343
Definition: myisam.h:228
Definition: myisam.h:213
Definition: myisamdef.h:251
my_off_t last_keypage
Definition: myisamdef.h:283
MI_STATUS_INFO * state
Definition: myisamdef.h:253
MI_BLOB * blobs
Definition: myisamdef.h:254
MYSQL_FTPARSER_PARAM * ftparser_param
Definition: myisamdef.h:260
uint save_lastkey_length
Definition: myisamdef.h:297
IO_CACHE rec_cache
Definition: myisamdef.h:307
myf lock_wait
Definition: myisamdef.h:309
uint last_rkey_length
Definition: myisamdef.h:295
MEM_ROOT ft_memroot
Definition: myisamdef.h:259
uchar * int_maxpos
Definition: myisamdef.h:271
uint opt_flag
Definition: myisamdef.h:291
my_off_t lastpos
Definition: myisamdef.h:279
ulong last_unique
Definition: myisamdef.h:276
uint8 once_flags
Definition: myisamdef.h:315
my_off_t save_lastpos
Definition: myisamdef.h:281
my_off_t last_search_keypage
Definition: myisamdef.h:284
int(* read_record)(MI_INFO *, my_off_t, uchar *)
Definition: myisamdef.h:274
int errkey
Definition: myisamdef.h:300
ulong this_unique
Definition: myisamdef.h:275
ulong packed_length
Definition: myisamdef.h:289
bool page_changed
Definition: myisamdef.h:313
uint data_changed
Definition: myisamdef.h:303
uint preload_buff_size
Definition: myisamdef.h:308
int dfile
Definition: myisamdef.h:290
uint update
Definition: myisamdef.h:292
uchar * rec_buff
Definition: myisamdef.h:269
int rtree_recursion_depth
Definition: myisamdef.h:327
ulong blob_length
Definition: myisamdef.h:289
my_off_t pos
Definition: myisamdef.h:282
bool append_insert_at_end
Definition: myisamdef.h:311
uint pack_key_length
Definition: myisamdef.h:298
uchar * int_keypos
Definition: myisamdef.h:270
uint lastkey_length
Definition: myisamdef.h:294
uchar * lastkey2
Definition: myisamdef.h:264
int save_lastinx
Definition: myisamdef.h:305
uchar * rtree_recursion_state
Definition: myisamdef.h:326
uchar * rnext_same_key
Definition: myisamdef.h:267
my_off_t dupp_key_pos
Definition: myisamdef.h:285
ulong this_loop
Definition: myisamdef.h:277
uint save_update
Definition: myisamdef.h:304
int lock_type
Definition: myisamdef.h:301
uchar * lastkey
Definition: myisamdef.h:264
MYISAM_SHARE * s
Definition: myisamdef.h:252
uchar * first_mbr_key
Definition: myisamdef.h:268
DYNAMIC_ARRAY * ft1_to_ft2
Definition: myisamdef.h:258
bool set_rnext_same_key
Definition: myisamdef.h:318
MI_BIT_BUFF bit_buff
Definition: myisamdef.h:255
void * index_cond_func_arg
Definition: myisamdef.h:321
int lastinx
Definition: myisamdef.h:293
ha_checksum checksum
Definition: myisamdef.h:286
enum ha_rkey_function last_key_func
Definition: myisamdef.h:296
ulong last_loop
Definition: myisamdef.h:278
bool was_locked
Definition: myisamdef.h:310
THR_LOCK_DATA lock
Definition: myisamdef.h:325
index_cond_func_t index_cond_func
Definition: myisamdef.h:320
LIST open_list
Definition: myisamdef.h:306
int tmp_lock_type
Definition: myisamdef.h:302
my_off_t nextpos
Definition: myisamdef.h:280
char * filename
Definition: myisamdef.h:262
uint16 last_used_keyseg
Definition: myisamdef.h:299
bool buff_used
Definition: myisamdef.h:314
bool quick_mode
Definition: myisamdef.h:312
MI_STATUS_INFO save_state
Definition: myisamdef.h:253
LIST in_use
Definition: myisamdef.h:261
uint int_nod_flag
Definition: myisamdef.h:272
uchar * buff
Definition: myisamdef.h:263
uint32 int_keytree_version
Definition: myisamdef.h:273
TREE * bulk_insert
Definition: myisamdef.h:257
Definition: myisam.h:173
Definition: myisamdef.h:520
uchar * prev_key
Definition: myisamdef.h:524
uint pack_marker
Definition: myisamdef.h:522
uint key_length
Definition: myisamdef.h:521
uint prev_length
Definition: myisamdef.h:522
uint n_ref_length
Definition: myisamdef.h:521
uchar * next_key_pos
Definition: myisamdef.h:524
const uchar * key
Definition: myisamdef.h:523
uint totlength
Definition: myisamdef.h:521
uint n_length
Definition: myisamdef.h:521
uint ref_length
Definition: myisamdef.h:521
uint part_of_prev_key
Definition: myisamdef.h:522
bool store_not_null
Definition: myisamdef.h:525
Definition: myisamdef.h:168
uchar version
Definition: myisamdef.h:171
ulong header_length
Definition: myisamdef.h:169
uint ref_length
Definition: myisamdef.h:170
Definition: myisamdef.h:338
uint real_key_length
Definition: myisamdef.h:352
int(* key_read)(MI_SORT_PARAM *, void *)
Definition: myisamdef.h:366
IO_CACHE tempfile
Definition: myisamdef.h:339
uint key
Definition: myisamdef.h:352
int(* write_key)(MI_SORT_PARAM *, IO_CACHE *, uchar *, uint, uint)
Definition: myisamdef.h:370
uchar ** sort_keys
Definition: myisamdef.h:359
my_off_t start_recpos
Definition: myisamdef.h:351
bool fix_datafile
Definition: myisamdef.h:354
uchar * record
Definition: myisamdef.h:363
void * wordptr
Definition: myisamdef.h:361
bool calc_checksum
Definition: myisamdef.h:355
uint sort_keys_length
Definition: myisamdef.h:353
HA_KEYSEG * seg
Definition: myisamdef.h:357
void * wordlist
Definition: myisamdef.h:361
ulonglong sortbuff_size
Definition: myisamdef.h:349
uint maxbuffers
Definition: myisamdef.h:353
MI_BIT_BUFF bit_buff
Definition: myisamdef.h:341
int(* key_write)(MI_SORT_PARAM *, const void *)
Definition: myisamdef.h:367
uint keys
Definition: myisamdef.h:353
my_off_t pos
Definition: myisamdef.h:351
my_off_t filepos
Definition: myisamdef.h:351
int(* key_cmp)(void *, uchar *, uchar *)
Definition: myisamdef.h:365
MY_TMPDIR * tmpdir
Definition: myisamdef.h:364
uint(* read_to_buffer)(IO_CACHE *, BUFFPEK *, uint)
Definition: myisamdef.h:369
DYNAMIC_ARRAY buffpek
Definition: myisamdef.h:340
bool master
Definition: myisamdef.h:354
my_off_t max_pos
Definition: myisamdef.h:351
SORT_INFO * sort_info
Definition: myisamdef.h:358
IO_CACHE tempfile_for_exceptions
Definition: myisamdef.h:339
uint find_length
Definition: myisamdef.h:353
uint key_length
Definition: myisamdef.h:352
ulonglong notnull[MI_MAX_KEY_SEG+1]
Definition: myisamdef.h:348
MI_KEYDEF * keyinfo
Definition: myisamdef.h:356
IO_CACHE read_cache
Definition: myisamdef.h:339
uchar * rec_buff
Definition: myisamdef.h:360
ulonglong unique[MI_MAX_KEY_SEG+1]
Definition: myisamdef.h:347
int(* write_keys)(MI_SORT_PARAM *, uchar **, uint, BUFFPEK *, IO_CACHE *)
Definition: myisamdef.h:368
MEM_ROOT wordroot
Definition: myisamdef.h:362
Definition: myisamdef.h:67
ulong sec_index_changed
Definition: myisamdef.h:98
my_off_t * key_del
Definition: myisamdef.h:95
ulong version
Definition: myisamdef.h:102
uchar language
Definition: myisamdef.h:79
my_off_t rec_per_key_rows
Definition: myisamdef.h:96
uint sortkey
Definition: myisamdef.h:106
time_t recover_time
Definition: myisamdef.h:104
ha_checksum checksum
Definition: myisamdef.h:101
struct MI_STATE_INFO::@198 header
uchar header_length[2]
Definition: myisamdef.h:71
uint state_diff_length
Definition: myisamdef.h:111
uchar file_version[4]
Definition: myisamdef.h:69
ulonglong auto_increment
Definition: myisamdef.h:88
uint state_length
Definition: myisamdef.h:112
ulong * key_info
Definition: myisamdef.h:113
ha_rows split
Definition: myisamdef.h:86
ulong * rec_per_key_part
Definition: myisamdef.h:93
uchar max_block_size_index
Definition: myisamdef.h:80
uchar keys
Definition: myisamdef.h:77
ulong status
Definition: myisamdef.h:92
uchar state_info_length[2]
Definition: myisamdef.h:72
my_off_t * key_root
Definition: myisamdef.h:94
MI_STATUS_INFO state
Definition: myisamdef.h:85
ulong unique
Definition: myisamdef.h:90
uint open_count
Definition: myisamdef.h:107
uchar uniques
Definition: myisamdef.h:78
uint8 changed
Definition: myisamdef.h:108
uchar fulltext_keys
Definition: myisamdef.h:81
uchar base_info_length[2]
Definition: myisamdef.h:73
uchar key_parts[2]
Definition: myisamdef.h:75
time_t create_time
Definition: myisamdef.h:103
ulong process
Definition: myisamdef.h:89
uchar unique_key_parts[2]
Definition: myisamdef.h:76
time_t check_time
Definition: myisamdef.h:105
uchar not_used
Definition: myisamdef.h:82
my_off_t dellink
Definition: myisamdef.h:87
uchar base_pos[2]
Definition: myisamdef.h:74
ulonglong key_map
Definition: myisamdef.h:100
ulong sec_index_used
Definition: myisamdef.h:99
ulong update_count
Definition: myisamdef.h:91
Definition: myisamdef.h:56
my_off_t data_file_length
Definition: myisamdef.h:62
my_off_t key_empty
Definition: myisamdef.h:60
my_off_t empty
Definition: myisamdef.h:59
ha_rows del
Definition: myisamdef.h:58
ha_checksum checksum
Definition: myisamdef.h:63
bool uncacheable
Definition: myisamdef.h:64
ha_rows records
Definition: myisamdef.h:57
my_off_t key_file_length
Definition: myisamdef.h:61
Definition: myisam.h:205
Definition: myisamdef.h:176
uint w_locks
Definition: myisamdef.h:220
bool concurrent_insert
Definition: myisamdef.h:229
ulong max_pack_length
Definition: myisamdef.h:211
size_t(* file_read)(MI_INFO *, uchar *, size_t, my_off_t, myf)
Definition: myisamdef.h:204
MI_KEYDEF ft2_keyinfo
Definition: myisamdef.h:179
mysql_rwlock_t * key_root_lock
Definition: myisamdef.h:233
uint tot_locks
Definition: myisamdef.h:220
char * index_file_name
Definition: myisamdef.h:189
ulong last_process
Definition: myisamdef.h:207
myf write_flag
Definition: myisamdef.h:222
MI_DECODE_TREE * decode_trees
Definition: myisamdef.h:192
MI_BASE_INFO base
Definition: myisamdef.h:178
uchar * file_map
Definition: myisamdef.h:190
int(* update_record)(MI_INFO *, my_off_t, const uchar *)
Definition: myisamdef.h:196
MI_UNIQUEDEF * uniqueinfo
Definition: myisamdef.h:181
File kfile
Definition: myisamdef.h:216
ha_checksum(* calc_checksum)(MI_INFO *, const uchar *)
Definition: myisamdef.h:201
char * unique_file_name
Definition: myisamdef.h:187
bool have_rtree
Definition: myisamdef.h:229
bool global_changed
Definition: myisamdef.h:228
LIST * in_use
Definition: myisamdef.h:186
MI_BLOB * blobs
Definition: myisamdef.h:185
uint32 ftkeys
Definition: myisamdef.h:215
int(* compare_unique)(MI_INFO *, MI_UNIQUEDEF *, const uchar *record, my_off_t pos)
Definition: myisamdef.h:202
bool temporary
Definition: myisamdef.h:229
bool changed
Definition: myisamdef.h:227
KEY_CACHE * key_cache
Definition: myisamdef.h:191
int(* compare_record)(MI_INFO *, const uchar *)
Definition: myisamdef.h:199
uint unique_name_length
Definition: myisamdef.h:214
HA_KEYSEG * keyparts
Definition: myisamdef.h:182
ulong last_version
Definition: myisamdef.h:208
uint blocksize
Definition: myisamdef.h:221
MI_STATE_INFO state
Definition: myisamdef.h:177
int(* delete_record)(MI_INFO *)
Definition: myisamdef.h:197
uint r_locks
Definition: myisamdef.h:220
char * data_file_name
Definition: myisamdef.h:188
uint rec_reflength
Definition: myisamdef.h:213
uint16 * decode_tables
Definition: myisamdef.h:193
uint nonmmaped_inserts
Definition: myisamdef.h:235
int(* write_record)(MI_INFO *, const uchar *)
Definition: myisamdef.h:195
int(* read_rnd)(MI_INFO *, uchar *, my_off_t, bool)
Definition: myisamdef.h:198
uint reopen
Definition: myisamdef.h:219
MI_COLUMNDEF * rec
Definition: myisamdef.h:183
mysql_mutex_t intern_lock
Definition: myisamdef.h:232
MI_PACK pack
Definition: myisamdef.h:184
mysql_rwlock_t mmap_lock
Definition: myisamdef.h:237
bool is_log_table
Definition: myisamdef.h:225
my_off_t mmaped_length
Definition: myisamdef.h:234
File data_file
Definition: myisamdef.h:217
bool delay_key_write
Definition: myisamdef.h:229
THR_LOCK lock
Definition: myisamdef.h:231
ulong state_diff_length
Definition: myisamdef.h:212
enum data_file_type data_file_type
Definition: myisamdef.h:223
ulong this_process
Definition: myisamdef.h:206
bool not_flushed
Definition: myisamdef.h:229
ulong min_pack_length
Definition: myisamdef.h:210
MI_KEYDEF * keyinfo
Definition: myisamdef.h:180
ulong options
Definition: myisamdef.h:209
int mode
Definition: myisamdef.h:218
int(* read_record)(MI_INFO *, my_off_t, uchar *)
Definition: myisamdef.h:194
size_t(* file_write)(MI_INFO *, const uchar *, size_t, my_off_t, myf)
Definition: myisamdef.h:205
Definition: plugin_ftparser.h:190
Definition: my_sys.h:310
Definition: myisam.h:389
Definition: thr_lock.h:123
Definition: thr_lock.h:138
Definition: my_tree.h:67
An instrumented mutex structure.
Definition: mysql_mutex_bits.h:49
An instrumented rwlock structure.
Definition: mysql_rwlock_bits.h:50
Definition: result.h:29
Definition: keycache.h:49
unsigned int uint
Definition: uca9-dump.cc:74
command
Definition: version_token.cc:279