MySQL  8.0.26
Source Code Documentation
myisamdef.h
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1 /*
2  Copyright (c) 2000, 2021, 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"
36 #include "my_pointer_arithmetic.h"
37 #include "myisam.h" /* Structs & some defines */
38 #include "myisampack.h" /* packing of keys */
39 #include "mysql/psi/mysql_file.h"
40 #include "mysql/psi/mysql_rwlock.h"
41 #include "mysql/psi/mysql_thread.h"
42 #include "thr_lock.h"
43 
44 struct HA_KEYSEG;
45 struct KEY_CACHE;
46 struct MI_INFO;
48 struct 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 
67 struct MI_STATE_INFO {
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 for indexes */
80  uchar max_block_size_index; /* max keyblock size */
82  uchar not_used; /* To align to 8 */
83  } header;
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 
130 struct MI_BASE_INFO {
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 
161 struct 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 
168 struct MI_PACK {
172 };
173 
174 #define MAX_NONMAPPED_INSERTS 1000
175 
176 struct 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; /* Theese 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 
242 struct MI_BIT_BUFF { /* Used for packing of record */
247 };
248 
249 typedef ICP_RESULT (*index_cond_func_t)(void *param);
250 
251 struct 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 folloing 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 cacheing 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 
330 struct 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 
342  MI_BIT_BUFF bit_buff; /* For parallel repair of packrec. */
343 
344  /*
345  The next two are used to collect statistics, see update_key_parts for
346  description.
347  */
351 
356  bool calc_checksum; /* calculate table checksum */
362  void *wordlist, *wordptr;
366  int (*key_cmp)(void *, uchar *, uchar *);
367  int (*key_read)(MI_SORT_PARAM *, void *);
368  int (*key_write)(MI_SORT_PARAM *, const void *);
372 };
373 
374 /* Some defines used by isam-funktions */
375 
376 #define USE_WHOLE_KEY MI_MAX_KEY_BUFF * 2 /* Use whole key in _mi_search() */
377 #define F_EXTRA_LCK -1
378 
379 /* bits in opt_flag */
380 #define MEMMAP_USED 32
381 #define REMEMBER_OLD_POS 64
382 
383 #define WRITEINFO_UPDATE_KEYFILE 1
384 #define WRITEINFO_NO_UNLOCK 2
385 
386 /* once_flags */
387 #define USE_PACKED_KEYS 1
388 #define RRND_PRESERVE_LASTINX 2
389 
390 /* bits in state.changed */
391 
392 #define STATE_CHANGED 1
393 #define STATE_CRASHED 2
394 #define STATE_CRASHED_ON_REPAIR 4
395 #define STATE_NOT_ANALYZED 8
396 #define STATE_NOT_OPTIMIZED_KEYS 16
397 #define STATE_NOT_SORTED_PAGES 32
398 
399 /* options to mi_read_cache */
400 
401 #define READING_NEXT 1
402 #define READING_HEADER 2
403 
404 #define mi_getint(x) ((uint)mi_uint2korr(x) & 32767)
405 #define mi_putint(x, y, nod) \
406  { \
407  uint16 boh = (nod ? (uint16)32768 : 0) + (uint16)(y); \
408  mi_int2store(x, boh); \
409  }
410 #define mi_test_if_nod(x) (x[0] & 128 ? info->s->base.key_reflength : 0)
411 #define mi_report_crashed(A, B) _mi_report_crashed((A), (B), __FILE__, __LINE__)
412 #define mi_mark_crashed(x) \
413  do { \
414  (x)->s->state.changed |= STATE_CRASHED; \
415  DBUG_PRINT("error", ("Marked table crashed")); \
416  mi_report_crashed((x), 0); \
417  } while (0)
418 #define mi_mark_crashed_on_repair(x) \
419  do { \
420  (x)->s->state.changed |= STATE_CRASHED | STATE_CRASHED_ON_REPAIR; \
421  (x)->update |= HA_STATE_CHANGED; \
422  DBUG_PRINT("error", ("Marked table crashed")); \
423  } while (0)
424 #define mi_is_crashed(x) ((x)->s->state.changed & STATE_CRASHED)
425 #define mi_is_crashed_on_repair(x) \
426  ((x)->s->state.changed & STATE_CRASHED_ON_REPAIR)
427 #define mi_print_error(SHARE, ERRNO) \
428  mi_report_error((ERRNO), (SHARE)->index_file_name)
429 
430 /* Functions to store length of space packed keys, VARCHAR or BLOB keys */
431 
432 #define store_key_length(key, length) \
433  { \
434  if ((length) < 255) { \
435  *(key) = (length); \
436  } else { \
437  *(key) = 255; \
438  mi_int2store((key) + 1, (length)); \
439  } \
440  }
441 
442 #define get_key_full_length(length, key) \
443  { \
444  if ((uchar) * (key) != 255) \
445  length = ((uint)(uchar) * ((key)++)) + 1; \
446  else { \
447  length = mi_uint2korr((key) + 1) + 3; \
448  (key) += 3; \
449  } \
450  }
451 
452 #define get_key_full_length_rdonly(length, key) \
453  { \
454  if ((uchar) * (key) != 255) \
455  length = ((uint)(uchar) * ((key))) + 1; \
456  else { \
457  length = mi_uint2korr((key) + 1) + 3; \
458  } \
459  }
460 
461 #define get_pack_length(length) ((length) >= 255 ? 3 : 1)
462 
463 #define MI_MIN_BLOCK_LENGTH 20U /* Because of delete-link */
464 #define MI_EXTEND_BLOCK_LENGTH 20 /* Don't use to small record-blocks */
465 #define MI_SPLIT_LENGTH ((MI_EXTEND_BLOCK_LENGTH + 4) * 2)
466 #define MI_MAX_DYN_BLOCK_HEADER 20 /* Max prefix of record-block */
467 #define MI_BLOCK_INFO_HEADER_LENGTH 20
468 #define MI_DYN_DELETE_BLOCK_HEADER 20 /* length of delete-block-header */
469 #define MI_DYN_MAX_BLOCK_LENGTH ((1L << 24) - 4L)
470 #define MI_DYN_MAX_ROW_LENGTH (MI_DYN_MAX_BLOCK_LENGTH - MI_SPLIT_LENGTH)
471 #define MI_DYN_ALIGN_SIZE 4 /* Align blocks on this */
472 #define MI_MAX_DYN_HEADER_BYTE 13 /* max header byte for dynamic rows */
473 #define MI_MAX_BLOCK_LENGTH \
474  ((((ulong)1 << 24) - 1) & (~(ulong)(MI_DYN_ALIGN_SIZE - 1)))
475 #define MI_REC_BUFF_OFFSET \
476  ALIGN_SIZE(MI_DYN_DELETE_BLOCK_HEADER + sizeof(uint32))
477 
478 #define PACK_TYPE_SELECTED 1 /* Bits in field->pack_type */
479 #define PACK_TYPE_SPACE_FIELDS 2
480 #define PACK_TYPE_ZERO_FILL 4
481 #define MI_FOUND_WRONG_KEY 32738 /* Impossible value from ha_key_cmp */
482 
483 #define MI_MAX_KEY_BLOCK_SIZE \
484  (MI_MAX_KEY_BLOCK_LENGTH / MI_MIN_KEY_BLOCK_LENGTH)
485 #define MI_BLOCK_SIZE(key_length, data_pointer, key_pointer, block_size) \
486  (((((key_length) + (data_pointer) + (key_pointer)) * 4 + (key_pointer) + \
487  2) / \
488  (block_size) + \
489  1) * \
490  (block_size))
491 #define MI_MAX_KEYPTR_SIZE 5 /* For calculating block lengths */
492 #define MI_MIN_KEYBLOCK_LENGTH 50 /* When to split delete blocks */
493 
494 #define MI_MIN_SIZE_BULK_INSERT_TREE 16384 /* this is per key */
495 #define MI_MIN_ROWS_TO_USE_BULK_INSERT 100
496 #define MI_MIN_ROWS_TO_DISABLE_INDEXES 100
497 #define MI_MIN_ROWS_TO_USE_WRITE_CACHE 10
498 
499 /* The UNIQUE check is done with a hashed long key */
500 
501 #define MI_UNIQUE_HASH_TYPE HA_KEYTYPE_ULONG_INT
502 #define mi_unique_store(A, B) mi_int4store((A), (B))
503 
505 
506 #ifdef __cplusplus
507 extern "C" {
508 #endif
509 
510 /* Some extern variables */
511 
512 extern LIST *myisam_open_list;
516 extern File myisam_log_file;
517 extern ulong myisam_pid;
518 
519 /* This is used by _mi_calc_xxx_key_length och _mi_store_key */
520 
521 struct MI_KEY_PARAM {
524  const uchar *key;
527 };
528 
529 /* Prototypes for intern functions */
530 
531 extern int _mi_read_dynamic_record(MI_INFO *info, my_off_t filepos, uchar *buf);
532 extern int _mi_write_dynamic_record(MI_INFO *, const uchar *);
533 extern int _mi_update_dynamic_record(MI_INFO *, my_off_t, const uchar *);
535 extern int _mi_cmp_dynamic_record(MI_INFO *info, const uchar *record);
536 extern int _mi_read_rnd_dynamic_record(MI_INFO *, uchar *, my_off_t, bool);
537 extern int _mi_write_blob_record(MI_INFO *, const uchar *);
538 extern int _mi_update_blob_record(MI_INFO *, my_off_t, const uchar *);
539 extern int _mi_read_static_record(MI_INFO *info, my_off_t filepos, uchar *buf);
540 extern int _mi_write_static_record(MI_INFO *, const uchar *);
541 extern int _mi_update_static_record(MI_INFO *, my_off_t, const uchar *);
543 extern int _mi_cmp_static_record(MI_INFO *info, const uchar *record);
544 extern int _mi_read_rnd_static_record(MI_INFO *, uchar *, my_off_t, bool);
545 extern int _mi_ck_write(MI_INFO *info, uint keynr, uchar *key, uint length);
547  uchar *key, uint key_length, my_off_t *root,
548  uint comp_flag);
550  my_off_t *root);
552  uchar *anc_buff, uchar *key_pos, uchar *key_buff,
553  uchar *father_buff, uchar *father_keypos,
554  my_off_t father_page, bool insert_last);
556  uchar *buff, uchar *key_buff, bool insert_last);
557 extern uchar *_mi_find_half_pos(uint nod_flag, MI_KEYDEF *keyinfo, uchar *page,
558  uchar *key, uint *return_key_length,
559  uchar **after_key);
560 extern int _mi_calc_static_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
561  const uchar *key_pos, uchar *org_key,
562  uchar *key_buff, const uchar *key,
563  MI_KEY_PARAM *s_temp);
564 extern int _mi_calc_var_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
565  const uchar *key_pos, uchar *org_key,
566  uchar *key_buff, const uchar *key,
567  MI_KEY_PARAM *s_temp);
568 extern int _mi_calc_var_pack_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
569  const uchar *key_pos, uchar *org_key,
570  uchar *prev_key, const uchar *key,
571  MI_KEY_PARAM *s_temp);
572 extern int _mi_calc_bin_pack_key_length(MI_KEYDEF *keyinfo, uint nod_flag,
573  const uchar *key_pos, uchar *org_key,
574  uchar *prev_key, const uchar *key,
575  MI_KEY_PARAM *s_temp);
577  MI_KEY_PARAM *s_temp);
579  MI_KEY_PARAM *s_temp);
581  MI_KEY_PARAM *s_temp);
582 
583 extern int _mi_ck_delete(MI_INFO *info, uint keynr, uchar *key,
584  uint key_length);
585 extern int _mi_readinfo(MI_INFO *info, int lock_flag, int check_keybuffer);
586 extern int _mi_writeinfo(MI_INFO *info, uint options);
587 extern int _mi_test_if_changed(MI_INFO *info);
588 extern int _mi_mark_file_changed(MI_INFO *info);
590 extern int _mi_check_index(MI_INFO *info, int inx);
592  uint key_len, uint nextflag, my_off_t pos);
594  uchar *key, uint key_len, uint comp_flag,
595  uchar **ret_pos, uchar *buff, bool *was_last_key);
597  uchar *key, uint key_len, uint comp_flag,
598  uchar **ret_pos, uchar *buff, bool *was_last_key);
600  uchar *key, uint key_len, uint comp_flag,
601  uchar **ret_pos, uchar *buff, bool *was_last_key);
602 extern my_off_t _mi_kpos(uint nod_flag, uchar *after_key);
603 extern void _mi_kpointer(MI_INFO *info, uchar *buff, my_off_t pos);
604 extern my_off_t _mi_dpos(MI_INFO *info, uint nod_flag, const uchar *after_key);
606 extern void _mi_dpointer(MI_INFO *info, uchar *buff, my_off_t pos);
607 extern uint _mi_get_static_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page,
608  uchar *key);
609 extern uint _mi_get_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page,
610  uchar *key);
612  uchar **page_pos, uchar *key);
614  uchar *lastkey, uchar *endpos,
615  uint *return_key_length);
617  uchar *key, uchar *keypos, uint *return_key_length);
618 extern uint _mi_keylength(MI_KEYDEF *keyinfo, const uchar *key);
620  HA_KEYSEG *end);
621 extern uchar *_mi_move_key(MI_KEYDEF *keyinfo, uchar *to, const uchar *from);
623  uint key_length, uint nextflag, my_off_t pos);
627  my_off_t page, int level, uchar *buff,
628  int return_buffer);
630  int level, uchar *buff);
632  int level);
633 extern my_off_t _mi_new(MI_INFO *info, MI_KEYDEF *keyinfo, int level);
634 extern uint _mi_make_key(MI_INFO *info, uint keynr, uchar *key,
635  const uchar *record, my_off_t filepos);
636 extern uint _mi_pack_key(MI_INFO *info, uint keynr, uchar *key,
637  const uchar *old, key_part_map keypart_map,
638  HA_KEYSEG **last_used_keyseg);
639 extern int _mi_read_key_record(MI_INFO *info, my_off_t filepos, uchar *buf);
640 extern int _mi_read_cache(IO_CACHE *info, uchar *buff, my_off_t pos,
641  uint length, int re_read_if_possibly);
643 
644 extern uchar *mi_alloc_rec_buff(MI_INFO *, ulong, uchar **);
645 #define mi_get_rec_buff_ptr(info, buf) \
646  ((((info)->s->options & HA_OPTION_PACK_RECORD) && (buf)) \
647  ? (buf)-MI_REC_BUFF_OFFSET \
648  : (buf))
649 #define mi_get_rec_buff_len(info, buf) \
650  (*((uint32 *)(mi_get_rec_buff_ptr(info, buf))))
651 
652 extern ulong _mi_rec_unpack(MI_INFO *info, uchar *to, const uchar *from,
653  ulong reclength);
654 extern bool _mi_rec_check(MI_INFO *info, const uchar *record, uchar *packpos,
655  ulong packed_length, bool with_checkum);
656 extern int _mi_write_part_record(MI_INFO *info, my_off_t filepos, ulong length,
657  my_off_t next_filepos, uchar **record,
658  ulong *reclength, int *flag);
659 extern void _mi_print_key(FILE *stream, HA_KEYSEG *keyseg, const uchar *key,
660  uint length);
661 extern bool _mi_read_pack_info(MI_INFO *info, bool fix_keys);
662 extern int _mi_read_pack_record(MI_INFO *info, my_off_t filepos, uchar *buf);
663 extern int _mi_read_rnd_pack_record(MI_INFO *, uchar *, my_off_t, bool);
664 extern int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to,
665  uchar *from, ulong reclength);
667 extern int _mi_ft_update(MI_INFO *info, uint keynr, uchar *keybuf,
668  const uchar *oldrec, const uchar *newrec,
669  my_off_t pos);
670 
671 #ifdef __cplusplus
672 }
673 #endif
674 
675 struct MI_BLOCK_INFO { /* Parameter to _mi_get_block_info */
677  ulong rec_len;
678  ulong data_len;
679  ulong block_len;
680  ulong blob_len;
686 };
687 
688 /* bits in return from _mi_get_block_info */
689 
690 #define BLOCK_FIRST 1
691 #define BLOCK_LAST 2
692 #define BLOCK_DELETED 4
693 #define BLOCK_ERROR 8 /* Wrong data */
694 #define BLOCK_SYNC_ERROR 16 /* Right data at wrong place */
695 #define BLOCK_FATAL_ERROR 32 /* hardware-error */
696 
697 #define NEED_MEM ((uint)10 * 4 * (IO_SIZE + 32) + 32) /* Nead for recursion */
698 #define MAXERR 20
699 #define BUFFERS_WHEN_SORTING 16 /* Alloc for sort-key-tree */
700 #define MY_HOW_OFTEN_TO_WRITE 1000 /* How often we want info on screen */
701 #define WRITE_COUNT MY_HOW_OFTEN_TO_WRITE
702 #define INDEX_TMP_EXT ".TMM"
703 #define DATA_TMP_EXT ".TMD"
704 
705 #define UPDATE_TIME 1
706 #define UPDATE_STAT 2
707 #define UPDATE_SORT 4
708 #define UPDATE_AUTO_INC 8
709 #define UPDATE_OPEN_COUNT 16
710 
711 #define USE_BUFFER_INIT (((1024L * 512L - MALLOC_OVERHEAD) / IO_SIZE) * IO_SIZE)
712 #define READ_BUFFER_INIT (1024L * 256L - MALLOC_OVERHEAD)
713 #define SORT_BUFFER_INIT (2048L * 1024L - MALLOC_OVERHEAD)
714 #define MIN_SORT_BUFFER (4096ULL - MALLOC_OVERHEAD)
715 
725 };
726 
727 #define myisam_log(a, b, c, d) \
728  if (myisam_log_file >= 0) _myisam_log(a, b, c, d)
729 #define myisam_log_command(a, b, c, d, e) \
730  if (myisam_log_file >= 0) _myisam_log_command(a, b, c, d, e)
731 #define myisam_log_record(a, b, c, d, e) \
732  if (myisam_log_file >= 0) _myisam_log_record(a, b, c, d, e)
733 
734 #define fast_mi_writeinfo(INFO) \
735  if (!(INFO)->s->tot_locks) (void)_mi_writeinfo((INFO), 0)
736 #define fast_mi_readinfo(INFO) \
737  ((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO), F_RDLCK, 1)
738 
739 #ifdef __cplusplus
740 extern "C" {
741 #endif
742 
744 extern uint _mi_rec_pack(MI_INFO *info, uchar *to, const uchar *from);
745 extern uint _mi_pack_get_block_info(MI_INFO *myisam, MI_BIT_BUFF *bit_buff,
746  MI_BLOCK_INFO *info, uchar **rec_buff_p,
747  File file, my_off_t filepos);
748 extern void _mi_store_blob_length(uchar *pos, uint pack_length, uint length);
750  const uchar *buffert, uint length);
752  const uchar *buffert, uint length, int result);
754  const uchar *record, my_off_t filepos,
755  int result);
756 extern void mi_report_error(int errcode, const char *file_name);
757 extern bool _mi_memmap_file(MI_INFO *info);
758 extern void _mi_unmap_file(MI_INFO *info);
759 extern uint save_pack_length(uint version, uchar *block_buff, ulong length);
760 extern uint read_pack_length(uint version, const uchar *buf, ulong *length);
761 extern uint calc_pack_length(uint version, ulong length);
762 extern size_t mi_mmap_pread(MI_INFO *info, uchar *Buffer, size_t Count,
763  my_off_t offset, myf MyFlags);
764 extern size_t mi_mmap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count,
765  my_off_t offset, myf MyFlags);
766 extern size_t mi_nommap_pread(MI_INFO *info, uchar *Buffer, size_t Count,
767  my_off_t offset, myf MyFlags);
768 extern size_t mi_nommap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count,
769  my_off_t offset, myf MyFlags);
770 
773 uint mi_state_info_read_dsk(File file, MI_STATE_INFO *state, bool pRead);
779 uchar *mi_keydef_read(uchar *ptr, MI_KEYDEF *keydef);
781 uchar *mi_uniquedef_read(uchar *ptr, MI_UNIQUEDEF *keydef);
784 extern int mi_disable_indexes(MI_INFO *info);
785 extern int mi_enable_indexes(MI_INFO *info);
794  my_off_t pos);
796  const uchar *record, my_off_t pos);
797 int mi_unique_comp(MI_UNIQUEDEF *def, const uchar *a, const uchar *b,
798  bool null_are_equal);
799 void mi_get_status(void *param, int concurrent_insert);
800 void mi_update_status(void *param);
801 void mi_restore_status(void *param);
802 void mi_copy_status(void *to, void *from);
803 bool mi_check_status(void *param);
804 
805 extern MI_INFO *test_if_reopen(char *filename);
806 bool check_table_is_closed(const char *name, const char *where);
807 int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, const char *orn_name,
808  File file_to_dup);
809 
810 int mi_open_keyfile(MYISAM_SHARE *share);
811 void mi_setup_functions(MYISAM_SHARE *share);
812 bool mi_dynmap_file(MI_INFO *info, my_off_t size);
814 void mi_remap_file(MI_INFO *info, my_off_t size);
815 void _mi_report_crashed(MI_INFO *file, const char *message, const char *sfile,
816  uint sline);
817 
819 
820 /* Functions needed by mi_check */
821 volatile int *killed_ptr(MI_CHECK *param);
822 void mi_check_print_error(MI_CHECK *param, const char *fmt, ...)
823  MY_ATTRIBUTE((format(printf, 2, 3)));
824 void mi_check_print_warning(MI_CHECK *param, const char *fmt, ...)
825  MY_ATTRIBUTE((format(printf, 2, 3)));
826 void mi_check_print_info(MI_CHECK *param, const char *fmt, ...)
827  MY_ATTRIBUTE((format(printf, 2, 3)));
829 int sort_ft_buf_flush(MI_SORT_PARAM *sort_param);
830 int thr_write_keys(MI_SORT_PARAM *sort_param);
831 void *thr_find_all_keys(void *arg);
832 int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file);
833 
834 int sort_write_record(MI_SORT_PARAM *sort_param);
835 int _create_index_by_sort(MI_SORT_PARAM *info, bool no_messages, ulonglong);
836 
838  void *func_arg);
839 
840 #ifdef __cplusplus
841 extern thread_local st_keycache_thread_var *keycache_tls;
842 }
843 #endif
844 
845 #ifdef HAVE_PSI_INTERFACE
848 
851 
854 
857 
859 
860 void init_myisam_psi_keys();
861 #endif /* HAVE_PSI_INTERFACE */
862 
885 
886 #endif // STORAGE_MYISAM_MYISAMDEF_INCLUDED
int page
Definition: ctype-mb.cc:1235
char * pos
Definition: do_ctype.cc:76
ulonglong unique_hash(const Field *field, ulonglong *hash_val)
Generate hash for a field.
Definition: sql_executor.cc:4443
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.
static MI_COLUMNDEF recinfo[4]
Definition: mi_test1.cc:45
static HA_KEYSEG keyseg[10]
Definition: mi_test1.cc:47
static MI_KEYDEF keyinfo[10]
Definition: mi_test1.cc:46
static uint key_length
Definition: mi_test1.cc:42
static uchar key[100]
Definition: mi_test2.cc:58
struct record record
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:1138
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:107
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:3732
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:105
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:210
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:1739
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:855
MI_INFO * test_if_reopen(char *filename)
Definition: mi_open.cc:79
int _mi_update_static_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_statrec.cc:87
volatile int * killed_ptr(MI_CHECK *param)
Definition: ha_myisam.cc:567
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
uchar * mi_recinfo_read(uchar *ptr, MI_COLUMNDEF *recinfo)
Definition: mi_open.cc:1209
thread_local st_keycache_thread_var * keycache_tls
Definition: mi_static.cc:67
PSI_file_key mi_key_file_datatmp
Definition: mi_static.cc:156
int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to, uchar *from, ulong reclength)
Definition: mi_packrec.cc:699
uchar * mi_keydef_read(uchar *ptr, MI_KEYDEF *keydef)
Definition: mi_open.cc:1091
ha_checksum mi_checksum(MI_INFO *info, const uchar *buf)
Definition: mi_checksum.cc:32
uchar * mi_uniquedef_read(uchar *ptr, MI_UNIQUEDEF *keydef)
Definition: mi_open.cc:1184
PSI_memory_key mi_key_memory_MI_INFO_bulk_insert
Definition: mi_static.cc:101
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:104
PSI_memory_key mi_key_memory_SORT_INFO_buffer
Definition: mi_static.cc:113
uint myisam_read_vec[]
Definition: mi_static.cc:80
uchar * _mi_move_key(MI_KEYDEF *keyinfo, uchar *to, const uchar *from)
Definition: mi_search.cc:1091
PSI_mutex_key mi_key_mutex_MYISAM_SHARE_intern_lock
Definition: mi_static.cc:121
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:117
PSI_memory_key mi_key_memory_preload_buffer
Definition: mi_static.cc:116
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
void mi_check_print_warning(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:588
PSI_memory_key mi_key_memory_MI_SORT_PARAM_wordroot
Definition: mi_static.cc:109
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:102
mysql_mutex_t THR_LOCK_myisam
Definition: my_thr_init.cc:72
void _myisam_log_command(enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length, int result)
Definition: mi_log.cc:95
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
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:610
PSI_mutex_key mi_key_mutex_MI_CHECK_print_msg
Definition: myisamdef.h:847
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:110
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:118
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:467
uchar myisam_file_magic[]
Definition: mi_static.cc:41
ulong _mi_rec_unpack(MI_INFO *info, uchar *to, const uchar *from, ulong reclength)
Definition: mi_dynrec.cc:1045
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:514
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
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:100
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:119
int thr_write_keys(MI_SORT_PARAM *sort_param)
Definition: sort.cc:459
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:115
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:134
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
uchar * mi_alloc_rec_buff(MI_INFO *, ulong, uchar **)
Definition: mi_open.cc:658
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
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:581
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
Definition: mi_static.cc:145
PSI_memory_key mi_key_memory_MI_DECODE_TREE
Definition: mi_static.cc:114
int _mi_write_dynamic_record(MI_INFO *, const uchar *)
Definition: mi_dynrec.cc:244
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_state_info_read(uchar *ptr, MI_STATE_INFO *state)
Definition: mi_open.cc:879
uint mi_keydef_write(File file, MI_KEYDEF *keydef)
Definition: mi_open.cc:1072
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:3297
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
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
uchar * my_n_base_info_read(uchar *ptr, MI_BASE_INFO *base)
Definition: mi_open.cc:1020
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:853
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
void * thr_find_all_keys(void *arg)
Definition: sort.cc:294
PSI_thread_key mi_key_thread_find_all_keys
Definition: mi_static.cc:167
int mi_enable_indexes(MI_INFO *info)
Definition: mi_open.cc:1307
uint calc_pack_length(uint version, ulong length)
Definition: mi_packrec.cc:1508
PSI_memory_key mi_key_memory_FTB
Definition: mi_static.cc:103
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:856
int sort_ft_buf_flush(MI_SORT_PARAM *sort_param)
Definition: mi_check.cc:3467
PSI_memory_key mi_key_memory_MYISAM_SHARE
Definition: mi_static.cc:98
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:513
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:1468
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:855
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:106
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
PSI_memory_key mi_key_memory_MI_INFO
Definition: mi_static.cc:99
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:112
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_rwlock_key mi_key_rwlock_MYISAM_SHARE_mmap_lock
Definition: myisamdef.h:850
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:108
PSI_memory_key mi_key_memory_SORT_KEY_BLOCKS
Definition: mi_static.cc:111
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:572
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:1490
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
PSI_mutex_key mi_key_mutex_MI_SORT_INFO_mutex
Definition: myisamdef.h:847
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_get_last_key(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *keypos, uchar *lastkey, uchar *endpos, uint *return_key_length)
Definition: mi_search.cc:1009
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:135
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
Definition: options.cc:45
Cursor end()
A past-the-end Cursor.
Definition: rules_table_service.cc:188
const char * filename
Definition: pfs_example_component_population.cc:64
Instrumentation helpers for rwlock.
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:306
Definition: my_compare.h:59
Definition: my_sys.h:344
Definition: keycache.h:70
Definition: my_list.h:35
The MEM_ROOT is a simple arena, where allocations are carved out of larger blocks.
Definition: my_alloc.h:78
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:675
my_off_t next_filepos
Definition: myisamdef.h:682
uint second_read
Definition: myisamdef.h:684
uchar header[MI_BLOCK_INFO_HEADER_LENGTH]
Definition: myisamdef.h:676
my_off_t prev_filepos
Definition: myisamdef.h:683
my_off_t filepos
Definition: myisamdef.h:681
ulong rec_len
Definition: myisamdef.h:677
uint offset
Definition: myisamdef.h:685
ulong data_len
Definition: myisamdef.h:678
ulong block_len
Definition: myisamdef.h:679
ulong blob_len
Definition: myisamdef.h:680
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:521
uchar * prev_key
Definition: myisamdef.h:525
uint pack_marker
Definition: myisamdef.h:523
uint key_length
Definition: myisamdef.h:522
uint prev_length
Definition: myisamdef.h:523
uint n_ref_length
Definition: myisamdef.h:522
uchar * next_key_pos
Definition: myisamdef.h:525
const uchar * key
Definition: myisamdef.h:524
uint totlength
Definition: myisamdef.h:522
uint n_length
Definition: myisamdef.h:522
uint ref_length
Definition: myisamdef.h:522
uint part_of_prev_key
Definition: myisamdef.h:523
bool store_not_null
Definition: myisamdef.h:526
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:353
int(* key_read)(MI_SORT_PARAM *, void *)
Definition: myisamdef.h:367
IO_CACHE tempfile
Definition: myisamdef.h:340
uint key
Definition: myisamdef.h:353
int(* write_key)(MI_SORT_PARAM *, IO_CACHE *, uchar *, uint, uint)
Definition: myisamdef.h:371
uchar ** sort_keys
Definition: myisamdef.h:360
my_off_t start_recpos
Definition: myisamdef.h:352
bool fix_datafile
Definition: myisamdef.h:355
uchar * record
Definition: myisamdef.h:364
void * wordptr
Definition: myisamdef.h:362
bool calc_checksum
Definition: myisamdef.h:356
uint sort_keys_length
Definition: myisamdef.h:354
HA_KEYSEG * seg
Definition: myisamdef.h:358
void * wordlist
Definition: myisamdef.h:362
ulonglong sortbuff_size
Definition: myisamdef.h:350
uint maxbuffers
Definition: myisamdef.h:354
MI_BIT_BUFF bit_buff
Definition: myisamdef.h:342
int(* key_write)(MI_SORT_PARAM *, const void *)
Definition: myisamdef.h:368
my_thread_handle thr
Definition: myisamdef.h:339
uint keys
Definition: myisamdef.h:354
my_off_t pos
Definition: myisamdef.h:352
my_off_t filepos
Definition: myisamdef.h:352
int(* key_cmp)(void *, uchar *, uchar *)
Definition: myisamdef.h:366
MY_TMPDIR * tmpdir
Definition: myisamdef.h:365
uint(* read_to_buffer)(IO_CACHE *, BUFFPEK *, uint)
Definition: myisamdef.h:370
DYNAMIC_ARRAY buffpek
Definition: myisamdef.h:341
bool master
Definition: myisamdef.h:355
my_off_t max_pos
Definition: myisamdef.h:352
SORT_INFO * sort_info
Definition: myisamdef.h:359
IO_CACHE tempfile_for_exceptions
Definition: myisamdef.h:340
uint find_length
Definition: myisamdef.h:354
uint key_length
Definition: myisamdef.h:353
ulonglong notnull[MI_MAX_KEY_SEG+1]
Definition: myisamdef.h:349
MI_KEYDEF * keyinfo
Definition: myisamdef.h:357
IO_CACHE read_cache
Definition: myisamdef.h:340
uchar * rec_buff
Definition: myisamdef.h:361
ulonglong unique[MI_MAX_KEY_SEG+1]
Definition: myisamdef.h:348
int(* write_keys)(MI_SORT_PARAM *, uchar **, uint, BUFFPEK *, IO_CACHE *)
Definition: myisamdef.h:369
MEM_ROOT wordroot
Definition: myisamdef.h:363
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
uchar header_length[2]
Definition: myisamdef.h:71
uint state_diff_length
Definition: myisamdef.h:111
uchar file_version[4]
Definition: myisamdef.h:69
struct MI_STATE_INFO::@183 header
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:314
Definition: myisam.h:391
Definition: thr_lock.h:123
Definition: thr_lock.h:138
Definition: my_tree.h:67
Definition: my_thread_bits.h:51
An instrumented mutex structure.
Definition: mysql_mutex_bits.h:49
An instrumented rwlock structure.
Definition: mysql_rwlock_bits.h:50
Definition: mi_test3.cc:54
Definition: result.h:29
Definition: keycache.h:47
unsigned int uint
Definition: uca-dump.cc:29
command
Definition: version_token.cc:279