MySQL  8.0.20
Source Code Documentation
myisamdef.h
Go to the documentation of this file.
1 /*
2  Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
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_icp.h"
35 #include "my_pointer_arithmetic.h"
36 #include "myisam.h" /* Structs & some defines */
37 #include "myisampack.h" /* packing of keys */
38 #include "mysql/psi/mysql_file.h"
39 #include "mysql/psi/mysql_rwlock.h"
40 #include "mysql/psi/mysql_thread.h"
41 #include "thr_lock.h"
42 
43 struct HA_KEYSEG;
44 struct KEY_CACHE;
45 struct MI_INFO;
47 struct TREE;
49 
50 /* undef map from my_nosys; We need test-if-disk full */
51 #if defined(my_write)
52 #undef my_write
53 #endif
54 
56  ha_rows records; /* Rows in table */
57  ha_rows del; /* Removed rows */
58  my_off_t empty; /* lost space in datafile */
59  my_off_t key_empty; /* lost space in indexfile */
63  bool uncacheable; /* Active concurrent insert */
64 };
65 
66 struct MI_STATE_INFO {
67  struct { /* Fileheader */
70  uchar header_length[2];
71  uchar state_info_length[2];
72  uchar base_info_length[2];
73  uchar base_pos[2];
74  uchar key_parts[2]; /* Key parts */
75  uchar unique_key_parts[2]; /* Key parts + unique parts */
76  uchar keys; /* number of keys in file */
77  uchar uniques; /* number of UNIQUE definitions */
78  uchar language; /* Language for indexes */
79  uchar max_block_size_index; /* max keyblock size */
81  uchar not_used; /* To align to 8 */
82  } header;
83 
85  ha_rows split; /* number of split blocks */
86  my_off_t dellink; /* Link to next removed block */
88  ulong process; /* process that updated table last */
89  ulong unique; /* Unique number for this process */
90  ulong update_count; /* Updated for each write lock */
91  ulong status;
93  my_off_t *key_root; /* Start of key trees */
94  my_off_t *key_del; /* delete links for trees */
95  my_off_t rec_per_key_rows; /* Rows when calculating rec_per_key */
96 
97  ulong sec_index_changed; /* Updated when new sec_index */
98  ulong sec_index_used; /* which extra index are in use */
99  ulonglong key_map; /* Which keys are in use */
100  ha_checksum checksum; /* Table checksum */
101  ulong version; /* timestamp of create */
102  time_t create_time; /* Time when created database */
103  time_t recover_time; /* Time for last recover */
104  time_t check_time; /* Time for last check */
105  uint sortkey; /* sorted by this key (not used) */
107  uint8 changed; /* Changed since myisamchk */
108 
109  /* the following isn't saved on disk */
110  uint state_diff_length; /* Should be 0 */
111  uint state_length; /* Length of state header in file */
112  ulong *key_info;
113 };
114 
115 #define MI_STATE_INFO_SIZE (24 + 14 * 8 + 7 * 4 + 2 * 2 + 8)
116 #define MI_STATE_KEY_SIZE 8
117 #define MI_STATE_KEYBLOCK_SIZE 8
118 #define MI_STATE_KEYSEG_SIZE 4
119 #define MI_STATE_EXTRA_SIZE \
120  ((MI_MAX_KEY + MI_MAX_KEY_BLOCK_SIZE) * MI_STATE_KEY_SIZE + \
121  MI_MAX_KEY * MI_MAX_KEY_SEG * MI_STATE_KEYSEG_SIZE)
122 #define MI_KEYDEF_SIZE (2 + 5 * 2)
123 #define MI_UNIQUEDEF_SIZE (2 + 1 + 1)
124 #define HA_KEYSEG_SIZE (6 + 2 * 2 + 4 * 2)
125 #define MI_COLUMNDEF_SIZE (2 * 3 + 1)
126 #define MI_BASE_INFO_SIZE (5 * 8 + 8 * 4 + 4 + 4 * 2 + 16)
127 #define MI_INDEX_BLOCK_MARGIN 16 /* Safety margin for .MYI tables */
128 
129 struct MI_BASE_INFO {
130  my_off_t keystart; /* Start of keys */
134  ha_rows records, reloc; /* Create information */
135  ulong mean_row_length; /* Create information */
136  ulong reclength; /* length of unpacked record */
137  ulong pack_reclength; /* Length of full packed rec. */
139  ulong max_pack_length; /* Max possibly length of packed rec.*/
141  ulong fields, /* fields in table */
142  pack_fields; /* packed fields in table */
143  uint rec_reflength; /* = 2-8 */
144  uint key_reflength; /* = 2-8 */
145  uint keys; /* same as in state.header */
146  uint auto_key; /* Which key-1 is a auto key */
147  uint blobs; /* Number of blobs */
148  uint pack_bits; /* Length of packed bits */
149  uint max_key_block_length; /* Max block length */
150  uint max_key_length; /* Max key length */
151  /* Extra allocation when using dynamic record format */
154  /* The following are from the header */
155  uint key_parts, all_key_parts;
156 };
157 
158 /* Structs used intern in database */
159 
160 struct MI_BLOB /* Info of record */
161 {
162  ulong offset; /* Offset to blob in record */
163  uint pack_length; /* Type of packed length */
164  ulong length; /* Calc:ed for each record */
165 };
166 
167 struct MI_PACK {
171 };
172 
173 #define MAX_NONMAPPED_INSERTS 1000
174 
175 struct MYISAM_SHARE { /* Shared between opens */
178  MI_KEYDEF ft2_keyinfo; /* Second-level ft-key definition */
179  MI_KEYDEF *keyinfo; /* Key definitions */
180  MI_UNIQUEDEF *uniqueinfo; /* unique definitions */
181  HA_KEYSEG *keyparts; /* key part info */
182  MI_COLUMNDEF *rec; /* Pointer to field information */
183  MI_PACK pack; /* Data about packed records */
184  MI_BLOB *blobs; /* Pointer to blobs */
185  LIST *in_use; /* List of threads using this table */
186  char *unique_file_name; /* realpath() of index file */
187  char *data_file_name, /* Resolved path names from symlinks */
189  uchar *file_map; /* mem-map of file if possible */
190  KEY_CACHE *key_cache; /* ref to the current key cache */
194  int (*write_record)(MI_INFO *, const uchar *);
195  int (*update_record)(MI_INFO *, my_off_t, const uchar *);
196  int (*delete_record)(MI_INFO *);
197  int (*read_rnd)(MI_INFO *, uchar *, my_off_t, bool);
198  int (*compare_record)(MI_INFO *, const uchar *);
199  /* Function to use for a row checksum. */
200  ha_checksum (*calc_checksum)(MI_INFO *, const uchar *);
201  int (*compare_unique)(MI_INFO *, MI_UNIQUEDEF *, const uchar *record,
202  my_off_t pos);
203  size_t (*file_read)(MI_INFO *, uchar *, size_t, my_off_t, myf);
204  size_t (*file_write)(MI_INFO *, const uchar *, size_t, my_off_t, myf);
205  ulong this_process; /* processid */
206  ulong last_process; /* For table-change-check */
207  ulong last_version; /* Version on start */
208  ulong options; /* Options used */
209  ulong min_pack_length; /* Theese are used by packed data */
212  uint rec_reflength; /* rec_reflength in use now */
214  uint32 ftkeys; /* Number of full-text keys + 1 */
215  File kfile; /* Shared keyfile */
216  File data_file; /* Shared data file */
217  int mode; /* mode of file on open */
218  uint reopen; /* How many times reopened */
219  uint w_locks, r_locks, tot_locks; /* Number of read/write locks */
220  uint blocksize; /* blocksize of keyfile */
223  /* Below flag is needed to make log tables work with concurrent insert */
225 
226  bool changed, /* If changed since lock */
227  global_changed, /* If changed since open */
228  not_flushed, temporary, delay_key_write, concurrent_insert, have_rtree;
229 
231  mysql_mutex_t intern_lock; /* Locking for use with _locking */
233  my_off_t mmaped_length;
234  uint nonmmaped_inserts; /* counter of writing in non-mmaped
235  area */
237 };
238 
240 
241 struct MI_BIT_BUFF { /* Used for packing of record */
244  uchar *pos, *end, *blob_pos, *blob_end;
246 };
247 
248 typedef ICP_RESULT (*index_cond_func_t)(void *param);
249 
250 struct MI_INFO {
251  MYISAM_SHARE *s; /* Shared between open:s */
253  MI_BLOB *blobs; /* Pointer to blobs */
255  /* accumulate indexfile changes between write's */
257  DYNAMIC_ARRAY *ft1_to_ft2; /* used only in ft1->ft2 conversion */
258  MEM_ROOT ft_memroot; /* used by the parser */
259  MYSQL_FTPARSER_PARAM *ftparser_param; /* share info between init/deinit */
260  LIST in_use; /* Thread using this table */
261  char *filename; /* parameter to open filename */
262  uchar *buff, /* Temp area for key */
263  *lastkey, *lastkey2; /* Last used search key */
264 
265  /* Key used in mi_rnext_same and filled by mi_rkey. */
267  uchar *first_mbr_key; /* Searhed spatial key */
268  uchar *rec_buff; /* Tempbuff for recordpack */
269  uchar *int_keypos, /* Save position for next/previous */
270  *int_maxpos; /* -""- */
271  uint int_nod_flag; /* -""- */
274  ulong this_unique; /* uniq filenumber or thread */
275  ulong last_unique; /* last unique number */
276  ulong this_loop; /* counter for this open */
277  ulong last_loop; /* last used counter */
278  my_off_t lastpos, /* Last record position */
279  nextpos; /* Position to next record */
280  my_off_t save_lastpos;
281  my_off_t pos; /* Intern variable */
282  my_off_t last_keypage; /* Last key page read */
283  my_off_t last_search_keypage; /* Last keypage when searching */
284  my_off_t dupp_key_pos;
285  ha_checksum checksum; /* Temp storage for row checksum */
286  /* QQ: the folloing two xxx_length fields should be removed,
287  as they are not compatible with parallel repair */
288  ulong packed_length, blob_length; /* Length of found, packed record */
289  int dfile; /* The datafile */
290  uint opt_flag; /* Optim. for space/speed */
291  uint update; /* If file changed since open */
292  int lastinx; /* Last used index */
293  uint lastkey_length; /* Length of key in lastkey */
294  uint last_rkey_length; /* Last length in mi_rkey() */
295  enum ha_rkey_function last_key_func; /* CONTAIN, OVERLAP, etc */
297  uint pack_key_length; /* For MYISAMMRG */
298  uint16 last_used_keyseg; /* For MyISAMMRG */
299  int errkey; /* Got last error on this key */
300  int lock_type; /* How database was locked */
301  int tmp_lock_type; /* When locked by readinfo */
302  uint data_changed; /* Somebody has changed data */
303  uint save_update; /* When using KEY_READ */
306  IO_CACHE rec_cache; /* When cacheing records */
307  uint preload_buff_size; /* When preloading indexes */
308  myf lock_wait; /* is 0 or MY_DONT_WAIT */
309  bool was_locked; /* Was locked in panic */
310  bool append_insert_at_end; /* Set if concurrent insert */
312  bool page_changed; /* If info->buff can't be used for rnext */
313  bool buff_used; /* If info->buff has to be reread for rnext */
314  uint8 once_flags; /* For MYISAMMRG */
315 
316  /* Used in mi_rnext_same to fill rnext_same_key for the first time. */
318 
319  index_cond_func_t index_cond_func; /* Index condition function */
320  void *index_cond_func_arg; /* parameter for the func */
321 #ifdef _WIN32
322  bool owned_by_merge; /* This MyISAM table is part of a merge union */
323 #endif
325  uchar *rtree_recursion_state; /* For RTREE */
327 };
328 
329 struct BUFFPEK {
330  my_off_t file_pos; /* Where we are in the sort file */
331  uchar *base, *key; /* Key pointers */
332  ha_rows count; /* Number of rows in table */
333  ulong mem_count; /* numbers of keys in memory */
334  ulong max_keys; /* Max keys in buffert */
335 };
336 
339  IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
341  MI_BIT_BUFF bit_buff; /* For parallel repair of packrec. */
342 
343  /*
344  The next two are used to collect statistics, see update_key_parts for
345  description.
346  */
348  ulonglong notnull[MI_MAX_KEY_SEG + 1];
350 
351  my_off_t pos, max_pos, filepos, start_recpos;
353  uint maxbuffers, keys, find_length, sort_keys_length;
354  bool fix_datafile, master;
355  bool calc_checksum; /* calculate table checksum */
361  void *wordlist, *wordptr;
365  int (*key_cmp)(void *, uchar *, uchar *);
366  int (*key_read)(MI_SORT_PARAM *, void *);
367  int (*key_write)(MI_SORT_PARAM *, const void *);
368  int (*write_keys)(MI_SORT_PARAM *, uchar **, uint, BUFFPEK *, IO_CACHE *);
369  uint (*read_to_buffer)(IO_CACHE *, BUFFPEK *, uint);
370  int (*write_key)(MI_SORT_PARAM *, IO_CACHE *, uchar *, uint, uint);
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
506 extern "C" {
507 #endif
508 
509 /* Some extern variables */
510 
511 extern LIST *myisam_open_list;
515 extern File myisam_log_file;
516 extern ulong myisam_pid;
517 
518 /* This is used by _mi_calc_xxx_key_length och _mi_store_key */
519 
520 struct MI_KEY_PARAM {
521  uint ref_length, key_length, n_ref_length, n_length, totlength,
522  part_of_prev_key, prev_length, pack_marker;
523  const uchar *key;
524  uchar *prev_key, *next_key_pos;
526 };
527 
528 /* Prototypes for intern functions */
529 
530 extern int _mi_read_dynamic_record(MI_INFO *info, my_off_t filepos, uchar *buf);
531 extern int _mi_write_dynamic_record(MI_INFO *, const uchar *);
532 extern int _mi_update_dynamic_record(MI_INFO *, my_off_t, const uchar *);
534 extern int _mi_cmp_dynamic_record(MI_INFO *info, const uchar *record);
535 extern int _mi_read_rnd_dynamic_record(MI_INFO *, uchar *, my_off_t, bool);
536 extern int _mi_write_blob_record(MI_INFO *, const uchar *);
537 extern int _mi_update_blob_record(MI_INFO *, my_off_t, const uchar *);
538 extern int _mi_read_static_record(MI_INFO *info, my_off_t filepos, uchar *buf);
539 extern int _mi_write_static_record(MI_INFO *, const uchar *);
540 extern int _mi_update_static_record(MI_INFO *, my_off_t, const uchar *);
542 extern int _mi_cmp_static_record(MI_INFO *info, const uchar *record);
543 extern int _mi_read_rnd_static_record(MI_INFO *, uchar *, my_off_t, bool);
544 extern int _mi_ck_write(MI_INFO *info, uint keynr, uchar *key, uint length);
546  uchar *key, uint key_length, my_off_t *root,
547  uint comp_flag);
549  my_off_t *root);
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);
555  uchar *buff, uchar *key_buff, bool insert_last);
556 extern uchar *_mi_find_half_pos(uint nod_flag, MI_KEYDEF *keyinfo, uchar *page,
557  uchar *key, uint *return_key_length,
558  uchar **after_key);
559 extern 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);
563 extern 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);
567 extern 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);
571 extern 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);
576  MI_KEY_PARAM *s_temp);
578  MI_KEY_PARAM *s_temp);
580  MI_KEY_PARAM *s_temp);
581 
582 extern int _mi_ck_delete(MI_INFO *info, uint keynr, uchar *key,
583  uint key_length);
584 extern int _mi_readinfo(MI_INFO *info, int lock_flag, int check_keybuffer);
585 extern int _mi_writeinfo(MI_INFO *info, uint options);
586 extern int _mi_test_if_changed(MI_INFO *info);
587 extern int _mi_mark_file_changed(MI_INFO *info);
589 extern int _mi_check_index(MI_INFO *info, int inx);
591  uint key_len, uint nextflag, my_off_t pos);
593  uchar *key, uint key_len, uint comp_flag,
594  uchar **ret_pos, uchar *buff, bool *was_last_key);
596  uchar *key, uint key_len, uint comp_flag,
597  uchar **ret_pos, uchar *buff, bool *was_last_key);
599  uchar *key, uint key_len, uint comp_flag,
600  uchar **ret_pos, uchar *buff, bool *was_last_key);
601 extern my_off_t _mi_kpos(uint nod_flag, uchar *after_key);
602 extern void _mi_kpointer(MI_INFO *info, uchar *buff, my_off_t pos);
603 extern my_off_t _mi_dpos(MI_INFO *info, uint nod_flag, const uchar *after_key);
605 extern void _mi_dpointer(MI_INFO *info, uchar *buff, my_off_t pos);
606 extern uint _mi_get_static_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page,
607  uchar *key);
608 extern uint _mi_get_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page,
609  uchar *key);
611  uchar **page_pos, uchar *key);
613  uchar *lastkey, uchar *endpos,
614  uint *return_key_length);
616  uchar *key, uchar *keypos, uint *return_key_length);
617 extern uint _mi_keylength(MI_KEYDEF *keyinfo, const uchar *key);
619  HA_KEYSEG *end);
620 extern uchar *_mi_move_key(MI_KEYDEF *keyinfo, uchar *to, const uchar *from);
622  uint key_length, uint nextflag, my_off_t pos);
626  my_off_t page, int level, uchar *buff,
627  int return_buffer);
629  int level, uchar *buff);
631  int level);
632 extern my_off_t _mi_new(MI_INFO *info, MI_KEYDEF *keyinfo, int level);
633 extern uint _mi_make_key(MI_INFO *info, uint keynr, uchar *key,
634  const uchar *record, my_off_t filepos);
635 extern 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);
638 extern int _mi_read_key_record(MI_INFO *info, my_off_t filepos, uchar *buf);
639 extern int _mi_read_cache(IO_CACHE *info, uchar *buff, my_off_t pos,
640  uint length, int re_read_if_possibly);
642 
643 extern 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 
651 extern ulong _mi_rec_unpack(MI_INFO *info, uchar *to, const uchar *from,
652  ulong reclength);
653 extern bool _mi_rec_check(MI_INFO *info, const uchar *record, uchar *packpos,
654  ulong packed_length, bool with_checkum);
655 extern 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);
658 extern void _mi_print_key(FILE *stream, HA_KEYSEG *keyseg, const uchar *key,
659  uint length);
660 extern bool _mi_read_pack_info(MI_INFO *info, bool fix_keys);
661 extern int _mi_read_pack_record(MI_INFO *info, my_off_t filepos, uchar *buf);
662 extern int _mi_read_rnd_pack_record(MI_INFO *, uchar *, my_off_t, bool);
663 extern int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to,
664  uchar *from, ulong reclength);
666 extern 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 
674 struct MI_BLOCK_INFO { /* Parameter to _mi_get_block_info */
676  ulong rec_len;
677  ulong data_len;
678  ulong block_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 ((uint)10 * 4 * (IO_SIZE + 32) + 32) /* Nead for recursion */
697 #define MAXERR 20
698 #define BUFFERS_WHEN_SORTING 16 /* Alloc for sort-key-tree */
699 #define MY_HOW_OFTEN_TO_WRITE 1000 /* How often we want info on screen */
700 #define WRITE_COUNT MY_HOW_OFTEN_TO_WRITE
701 #define INDEX_TMP_EXT ".TMM"
702 #define DATA_TMP_EXT ".TMD"
703 
704 #define UPDATE_TIME 1
705 #define UPDATE_STAT 2
706 #define UPDATE_SORT 4
707 #define UPDATE_AUTO_INC 8
708 #define UPDATE_OPEN_COUNT 16
709 
710 #define USE_BUFFER_INIT (((1024L * 512L - MALLOC_OVERHEAD) / IO_SIZE) * IO_SIZE)
711 #define READ_BUFFER_INIT (1024L * 256L - MALLOC_OVERHEAD)
712 #define SORT_BUFFER_INIT (2048L * 1024L - MALLOC_OVERHEAD)
713 #define MIN_SORT_BUFFER (4096ULL - MALLOC_OVERHEAD)
714 
724 };
725 
726 #define myisam_log(a, b, c, d) \
727  if (myisam_log_file >= 0) _myisam_log(a, b, c, d)
728 #define myisam_log_command(a, b, c, d, e) \
729  if (myisam_log_file >= 0) _myisam_log_command(a, b, c, d, e)
730 #define myisam_log_record(a, b, c, d, e) \
731  if (myisam_log_file >= 0) _myisam_log_record(a, b, c, d, e)
732 
733 #define fast_mi_writeinfo(INFO) \
734  if (!(INFO)->s->tot_locks) (void)_mi_writeinfo((INFO), 0)
735 #define fast_mi_readinfo(INFO) \
736  ((INFO)->lock_type == F_UNLCK) && _mi_readinfo((INFO), F_RDLCK, 1)
737 
738 #ifdef __cplusplus
739 extern "C" {
740 #endif
741 
743 extern uint _mi_rec_pack(MI_INFO *info, uchar *to, const uchar *from);
744 extern uint _mi_pack_get_block_info(MI_INFO *myisam, MI_BIT_BUFF *bit_buff,
745  MI_BLOCK_INFO *info, uchar **rec_buff_p,
746  File file, my_off_t filepos);
747 extern void _mi_store_blob_length(uchar *pos, uint pack_length, uint length);
748 extern void _myisam_log(enum myisam_log_commands command, MI_INFO *info,
749  const uchar *buffert, uint length);
750 extern void _myisam_log_command(enum myisam_log_commands command, MI_INFO *info,
751  const uchar *buffert, uint length, int result);
752 extern void _myisam_log_record(enum myisam_log_commands command, MI_INFO *info,
753  const uchar *record, my_off_t filepos,
754  int result);
755 extern void mi_report_error(int errcode, const char *file_name);
756 extern bool _mi_memmap_file(MI_INFO *info);
757 extern void _mi_unmap_file(MI_INFO *info);
758 extern uint save_pack_length(uint version, uchar *block_buff, ulong length);
759 extern uint read_pack_length(uint version, const uchar *buf, ulong *length);
760 extern uint calc_pack_length(uint version, ulong length);
761 extern size_t mi_mmap_pread(MI_INFO *info, uchar *Buffer, size_t Count,
762  my_off_t offset, myf MyFlags);
763 extern size_t mi_mmap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count,
764  my_off_t offset, myf MyFlags);
765 extern size_t mi_nommap_pread(MI_INFO *info, uchar *Buffer, size_t Count,
766  my_off_t offset, myf MyFlags);
767 extern size_t mi_nommap_pwrite(MI_INFO *info, const uchar *Buffer, size_t Count,
768  my_off_t offset, myf MyFlags);
769 
770 uint mi_state_info_write(File file, MI_STATE_INFO *state, uint pWrite);
772 uint mi_state_info_read_dsk(File file, MI_STATE_INFO *state, bool pRead);
775 int mi_keyseg_write(File file, const HA_KEYSEG *keyseg);
776 uchar *mi_keyseg_read(uchar *ptr, HA_KEYSEG *keyseg);
777 uint mi_keydef_write(File file, MI_KEYDEF *keydef);
778 uchar *mi_keydef_read(uchar *ptr, MI_KEYDEF *keydef);
780 uchar *mi_uniquedef_read(uchar *ptr, MI_UNIQUEDEF *keydef);
782 uchar *mi_recinfo_read(uchar *ptr, MI_COLUMNDEF *recinfo);
783 extern int mi_disable_indexes(MI_INFO *info);
784 extern int mi_enable_indexes(MI_INFO *info);
785 extern int mi_indexes_are_disabled(MI_INFO *info);
786 ulong _my_calc_total_blob_length(MI_INFO *info, const uchar *record);
787 ha_checksum mi_checksum(MI_INFO *info, const uchar *buf);
788 ha_checksum mi_static_checksum(MI_INFO *info, const uchar *buf);
789 bool mi_check_unique(MI_INFO *info, MI_UNIQUEDEF *def, uchar *record,
791 ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const uchar *buf);
792 int _mi_cmp_static_unique(MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record,
793  my_off_t pos);
795  const uchar *record, my_off_t pos);
796 int mi_unique_comp(MI_UNIQUEDEF *def, const uchar *a, const uchar *b,
797  bool null_are_equal);
798 void mi_get_status(void *param, int concurrent_insert);
799 void mi_update_status(void *param);
800 void mi_restore_status(void *param);
801 void mi_copy_status(void *to, void *from);
802 bool mi_check_status(void *param);
803 
804 extern MI_INFO *test_if_reopen(char *filename);
805 bool check_table_is_closed(const char *name, const char *where);
806 int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, const char *orn_name,
807  File file_to_dup);
808 
809 int mi_open_keyfile(MYISAM_SHARE *share);
810 void mi_setup_functions(MYISAM_SHARE *share);
811 bool mi_dynmap_file(MI_INFO *info, my_off_t size);
812 int mi_munmap_file(MI_INFO *info);
813 void mi_remap_file(MI_INFO *info, my_off_t size);
814 void _mi_report_crashed(MI_INFO *file, const char *message, const char *sfile,
815  uint sline);
816 
817 int mi_check_index_cond(MI_INFO *info, uint keynr, uchar *record);
818 
819 /* Functions needed by mi_check */
820 volatile int *killed_ptr(MI_CHECK *param);
821 void mi_check_print_error(MI_CHECK *param, const char *fmt, ...)
822  MY_ATTRIBUTE((format(printf, 2, 3)));
823 void mi_check_print_warning(MI_CHECK *param, const char *fmt, ...)
824  MY_ATTRIBUTE((format(printf, 2, 3)));
825 void mi_check_print_info(MI_CHECK *param, const char *fmt, ...)
826  MY_ATTRIBUTE((format(printf, 2, 3)));
828 int sort_ft_buf_flush(MI_SORT_PARAM *sort_param);
829 int thr_write_keys(MI_SORT_PARAM *sort_param);
830 void *thr_find_all_keys(void *arg);
831 int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file);
832 
833 int sort_write_record(MI_SORT_PARAM *sort_param);
834 int _create_index_by_sort(MI_SORT_PARAM *info, bool no_messages, ulonglong);
835 
836 extern void mi_set_index_cond_func(MI_INFO *info, index_cond_func_t func,
837  void *func_arg);
838 
839 #ifdef __cplusplus
840 extern thread_local st_keycache_thread_var *keycache_tls;
841 }
842 #endif
843 
844 #ifdef HAVE_PSI_INTERFACE
847 
850 
853 
856 
858 
859 void init_myisam_psi_keys();
860 #endif /* HAVE_PSI_INTERFACE */
861 
884 
885 #endif // STORAGE_MYISAM_MYISAMDEF_INCLUDED
uchar * my_n_base_info_read(uchar *ptr, MI_BASE_INFO *base)
Definition: mi_open.cc:1020
#define MI_MAX_KEY_SEG
Definition: myisam.h:63
IO_CACHE tempfile_for_exceptions
Definition: myisamdef.h:339
uint32 int_keytree_version
Definition: myisamdef.h:272
int _mi_read_key_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_key.cc:387
Definition: result.h:33
LIST in_use
Definition: myisamdef.h:260
unsigned long long int ulonglong
Definition: my_inttypes.h:55
ulong max_pack_length
Definition: myisamdef.h:210
volatile int * killed_ptr(MI_CHECK *param)
Definition: ha_myisam.cc:568
Definition: myisamdef.h:717
bool _mi_memmap_file(MI_INFO *info)
Definition: mi_packrec.cc:1338
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
bool temporary
Definition: myisamdef.h:226
my_off_t next_filepos
Definition: myisamdef.h:681
uint _mi_keylength_part(MI_KEYDEF *keyinfo, const uchar *key, HA_KEYSEG *end)
Definition: mi_search.cc:1073
uint mi_keydef_write(File file, MI_KEYDEF *keydef)
Definition: mi_open.cc:1072
Definition: thr_lock.h:123
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 int_nod_flag
Definition: myisamdef.h:271
ulong mean_row_length
Definition: myisamdef.h:135
MI_INFO * test_if_reopen(char *filename)
Definition: mi_open.cc:79
unsigned char uchar
Definition: my_inttypes.h:51
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
unsigned int PSI_file_key
Instrumented file key.
Definition: psi_file_bits.h:46
Instrumentation helpers for mysys file io.
int _mi_mark_file_changed(MI_INFO *info)
Definition: mi_locking.cc:473
PSI_file_key mi_key_file_kfile
Definition: mi_static.cc:156
void * wordptr
Definition: myisamdef.h:361
Definition: myisamdef.h:722
int mi_enable_indexes(MI_INFO *info)
Definition: mi_open.cc:1307
int lastinx
Definition: myisamdef.h:292
ulonglong sortbuff_size
Definition: myisamdef.h:349
uint save_update
Definition: myisamdef.h:303
uint32 ftkeys
Definition: myisamdef.h:214
uint max_key_length
Definition: myisamdef.h:150
uint16 last_used_keyseg
Definition: myisamdef.h:298
Storing of values in high byte first order.
LIST open_list
Definition: myisamdef.h:305
MI_BIT_BUFF bit_buff
Definition: myisamdef.h:341
ulonglong mi_safe_mul(ulonglong a, ulonglong b)
Definition: mi_open.cc:692
time_t check_time
Definition: myisamdef.h:104
PSI_memory_key mi_key_memory_ft_stopwords
Definition: mi_static.cc:107
uint mi_state_info_read_dsk(File file, MI_STATE_INFO *state, bool pRead)
Definition: mi_open.cc:953
uint extra_alloc_bytes
Definition: myisamdef.h:152
ulong sec_index_used
Definition: myisamdef.h:98
char * filename
Definition: myisamdef.h:261
PSI_mutex_key mi_key_mutex_MI_CHECK_print_msg
Definition: mi_static.cc:121
uchar ** sort_keys
Definition: myisamdef.h:359
my_off_t * key_del
Definition: myisamdef.h:94
my_off_t dupp_key_pos
Definition: myisamdef.h:284
Definition: keycache.h:70
TREE * bulk_insert
Definition: myisamdef.h:256
int _mi_pack_rec_unpack(MI_INFO *info, MI_BIT_BUFF *bit_buff, uchar *to, uchar *from, ulong reclength)
Definition: mi_packrec.cc:699
Definition: mi_test3.cc:54
uint open_count
Definition: myisamdef.h:106
uint sortkey
Definition: myisamdef.h:105
static int reclength
Definition: hp_test2.cc:48
void mi_setup_functions(MYISAM_SHARE *share)
Definition: mi_open.cc:701
bool set_rnext_same_key
Definition: myisamdef.h:317
ulong key_part_map
Definition: my_base.h:1000
Definition: my_sys.h:308
uint calc_pack_length(uint version, ulong length)
Definition: mi_packrec.cc:1508
uint myisam_read_vec[]
Definition: mi_static.cc:80
ulong status
Definition: myisamdef.h:91
uint blobs
Definition: myisamdef.h:147
index_cond_func_t index_cond_func
Definition: myisamdef.h:319
uint key_reflength
Definition: myisamdef.h:144
MI_STATUS_INFO * state
Definition: myisamdef.h:252
int _mi_writeinfo(MI_INFO *info, uint options)
Definition: mi_locking.cc:396
myisam_log_commands
Definition: myisamdef.h:715
#define bool
Definition: config_static.h:42
MI_BLOB * blobs
Definition: myisamdef.h:253
void _mi_dpointer(MI_INFO *info, uchar *buff, my_off_t pos)
Definition: mi_search.cc:650
my_off_t prev_filepos
Definition: myisamdef.h:682
ulong mem_count
Definition: myisamdef.h:333
ulong packed_length
Definition: myisamdef.h:288
ulong * rec_per_key_part
Definition: myisamdef.h:92
ulonglong retrieve_auto_increment(MI_INFO *info, const uchar *record)
Definition: mi_key.cc:443
Definition: myisam.h:203
uint bits
Definition: myisamdef.h:243
PSI_file_key mi_key_file_datatmp
Definition: mi_static.cc:156
uint16 * decode_tables
Definition: myisamdef.h:192
uint key_parts
Definition: myisamdef.h:155
ulong length
Definition: myisamdef.h:164
PSI_cond_key mi_key_cond_MI_SORT_INFO_cond
Definition: mi_static.cc:145
uint mi_recinfo_write(File file, MI_COLUMNDEF *recinfo)
Definition: mi_open.cc:1195
int _mi_update_dynamic_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_dynrec.cc:249
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
uint max_key_block_length
Definition: myisamdef.h:149
uchar * mi_keydef_read(uchar *ptr, MI_KEYDEF *keydef)
Definition: mi_open.cc:1091
int _mi_write_static_record(MI_INFO *, const uchar *)
Definition: mi_statrec.cc:34
ulong reclength
Definition: myisamdef.h:136
int lock_type
Definition: myisamdef.h:300
int _create_index_by_sort(MI_SORT_PARAM *info, bool no_messages, ulonglong)
Definition: sort.cc:108
my_off_t _mi_dpos(MI_INFO *info, uint nod_flag, const uchar *after_key)
Definition: mi_search.cc:570
int _mi_read_static_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_statrec.cc:147
int _mi_update_blob_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_dynrec.cc:280
static uchar read_record[300]
Definition: mi_test2.cc:59
uint real_key_length
Definition: myisamdef.h:352
ulong myisam_pid
Definition: mi_log.cc:47
uint state_diff_length
Definition: myisamdef.h:110
my_off_t pos
Definition: myisamdef.h:281
ha_checksum mi_unique_hash(MI_UNIQUEDEF *def, const uchar *buf)
Definition: mi_unique.cc:83
size_t mi_nommap_pread(MI_INFO *info, uchar *Buffer, size_t Count, my_off_t offset, myf MyFlags)
Definition: mi_dynrec.cc:193
MI_KEYDEF * keyinfo
Definition: myisamdef.h:179
int mi_disable_indexes(MI_INFO *info)
Definition: mi_open.cc:1281
uchar * lastkey2
Definition: myisamdef.h:262
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
ulong unique
Definition: myisamdef.h:89
my_off_t nextpos
Definition: myisamdef.h:278
time_t create_time
Definition: myisamdef.h:102
PSI_memory_key mi_key_memory_MI_INFO
Definition: mi_static.cc:99
uint _mi_get_binary_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page_pos, uchar *key)
Definition: mi_search.cc:821
MI_COLUMNDEF * rec
Definition: myisamdef.h:182
my_off_t mmaped_length
Definition: myisamdef.h:233
ulong min_pack_length
Definition: myisamdef.h:138
uint _mi_get_pack_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page, uchar *key)
Definition: mi_search.cc:712
uchar * mi_uniquedef_read(uchar *ptr, MI_UNIQUEDEF *keydef)
Definition: mi_open.cc:1184
PSI_memory_key mi_key_memory_FTPARSER_PARAM
Definition: mi_static.cc:105
int _mi_readinfo(MI_INFO *info, int lock_flag, int check_keybuffer)
Definition: mi_locking.cc:368
void mi_check_print_error(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:573
MI_BLOB * blobs
Definition: myisamdef.h:184
Definition: keycache.h:47
my_off_t filepos
Definition: myisamdef.h:680
HA_KEYSEG * keyparts
Definition: myisamdef.h:181
bool write_record(THD *thd, TABLE *table, COPY_INFO *info, COPY_INFO *update)
Write a record to table with optional deletion of conflicting records, invoke proper triggers if need...
Definition: sql_insert.cc:1743
DYNAMIC_ARRAY * ft1_to_ft2
Definition: myisamdef.h:257
MI_UNIQUEDEF * uniqueinfo
Definition: myisamdef.h:180
void _mi_store_var_pack_key(MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
Definition: mi_search.cc:1642
PSI_memory_key mi_key_memory_FTB
Definition: mi_static.cc:103
KEY_CACHE * key_cache
Definition: myisamdef.h:190
uchar * prev_key
Definition: myisamdef.h:524
uint mi_uniquedef_write(File file, MI_UNIQUEDEF *keydef)
Definition: mi_open.cc:1172
bool check_table_is_closed(const char *name, const char *where)
uint ref_length
Definition: myisamdef.h:169
uint _mi_make_key(MI_INFO *info, uint keynr, uchar *key, const uchar *record, my_off_t filepos)
Definition: mi_key.cc:62
uint state_length
Definition: myisamdef.h:111
MYISAM_SHARE * s
Definition: myisamdef.h:251
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
MEM_ROOT ft_memroot
Definition: myisamdef.h:258
unsigned int PSI_memory_key
Instrumented memory key.
Definition: psi_memory_bits.h:46
DYNAMIC_ARRAY buffpek
Definition: myisamdef.h:340
uint myisam_quick_table_bits
Definition: mi_static.cc:55
Definition: myisam.h:226
uchar max_block_size_index
Definition: myisamdef.h:79
Definition: thr_lock.h:138
my_off_t max_data_file_length
Definition: myisamdef.h:131
ulong max_keys
Definition: myisamdef.h:334
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_rkey_function
Definition: my_base.h:77
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
const std::string FILE("FILE")
char * unique_file_name
Definition: myisamdef.h:186
PSI_memory_key mi_key_memory_filecopy
Definition: mi_static.cc:112
uchar * first_mbr_key
Definition: myisamdef.h:267
bool buff_used
Definition: myisamdef.h:313
uint pack_key_length
Definition: myisamdef.h:297
void mi_remap_file(MI_INFO *info, my_off_t size)
Definition: mi_dynrec.cc:147
Definition: myisamdef.h:175
uint32 ha_checksum
Definition: my_sys.h:538
my_off_t key_file_length
Definition: myisamdef.h:60
PSI_memory_key mi_key_memory_stPageList_pages
Definition: mi_static.cc:117
uint lastkey_length
Definition: myisamdef.h:293
void _mi_print_key(FILE *stream, HA_KEYSEG *keyseg, const uchar *key, uint length)
Definition: mi_dbug.cc:33
Definition: myisamdef.h:129
MI_STATE_INFO state
Definition: myisamdef.h:176
ulong _mi_rec_unpack(MI_INFO *info, uchar *to, const uchar *from, ulong reclength)
Definition: mi_dynrec.cc:1045
int mi_keyseg_write(File file, const HA_KEYSEG *keyseg)
Definition: mi_open.cc:1117
static HA_KEYSEG keyseg[10]
Definition: mi_test1.cc:47
void mi_report_error(int errcode, const char *file_name)
Definition: mi_info.cc:124
uchar fulltext_keys
Definition: myisamdef.h:80
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:611
PSI_memory_key mi_key_memory_SORT_FT_BUF
Definition: mi_static.cc:110
ha_checksum mi_static_checksum(MI_INFO *info, const uchar *buf)
Definition: mi_checksum.cc:67
uint blocksize
Definition: myisamdef.h:220
static MI_COLUMNDEF recinfo[4]
Definition: mi_test1.cc:45
PSI_thread_key mi_key_thread_find_all_keys
Definition: mi_static.cc:167
unsigned int PSI_mutex_key
Instrumented mutex key.
Definition: psi_mutex_bits.h:49
my_off_t empty
Definition: myisamdef.h:58
uint8 once_flags
Definition: myisamdef.h:314
uint last_rkey_length
Definition: myisamdef.h:294
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
my_off_t keystart
Definition: myisamdef.h:130
uchar * mi_alloc_rec_buff(MI_INFO *, ulong, uchar **)
Definition: mi_open.cc:658
ulong state_diff_length
Definition: myisamdef.h:211
PSI_memory_key mi_key_memory_preload_buffer
Definition: mi_static.cc:116
static int write_keys(Sort_param *param, Filesort_info *fs_info, uint count, IO_CACHE *buffer_file, IO_CACHE *tempfile)
Definition: filesort.cc:1057
ulong this_unique
Definition: myisamdef.h:274
int _mi_update_static_record(MI_INFO *, my_off_t, const uchar *)
Definition: mi_statrec.cc:87
unsigned int PSI_cond_key
Instrumented cond key.
Definition: psi_cond_bits.h:41
int _mi_read_rnd_dynamic_record(MI_INFO *, uchar *, my_off_t, bool)
Definition: mi_dynrec.cc:1480
LIST * myisam_open_list
Definition: mi_static.cc:40
int mi_indexes_are_disabled(MI_INFO *info)
Definition: mi_open.cc:1336
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_enlarge_root(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, my_off_t *root)
Definition: mi_write.cc:263
Definition: plugin_ftparser.h:190
uint offset
Definition: myisamdef.h:684
Definition: myisamdef.h:721
uint data_changed
Definition: myisamdef.h:302
bool append_insert_at_end
Definition: myisamdef.h:310
uint reopen
Definition: myisamdef.h:218
uint keys
Definition: myisamdef.h:145
uint rec_reflength
Definition: myisamdef.h:143
MI_BASE_INFO base
Definition: myisamdef.h:177
Definition: myisam.h:211
Definition: myisam.h:342
Definition: myisamdef.h:718
uchar keys
Definition: myisamdef.h:76
ulong version
Definition: myisamdef.h:101
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
uint read_pack_length(uint version, const uchar *buf, ulong *length)
Definition: mi_packrec.cc:1490
uchar language
Definition: myisamdef.h:78
Definition: myisamdef.h:719
int page
Definition: ctype-mb.cc:1234
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
int _mi_delete_static_record(MI_INFO *info)
Definition: mi_statrec.cc:93
PSI_memory_key mi_key_memory_FT_INFO
Definition: mi_static.cc:104
void mi_copy_status(void *to, void *from)
Definition: mi_locking.cc:324
enum icp_result ICP_RESULT
Values returned by index_cond_func_xxx functions.
uint extra_alloc_procent
Definition: myisamdef.h:153
char * pos
Definition: do_ctype.cc:76
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
uint preload_buff_size
Definition: myisamdef.h:307
ha_checksum mi_checksum(MI_INFO *info, const uchar *buf)
Definition: mi_checksum.cc:32
my_off_t key_empty
Definition: myisamdef.h:59
ulong process
Definition: myisamdef.h:88
uint mi_state_info_write(File file, MI_STATE_INFO *state, uint pWrite)
Definition: mi_open.cc:794
This file should be included when using myisam functions.
PSI_cond_key mi_keycache_thread_var_suspend
Definition: mi_static.cc:146
THR_LOCK_DATA lock
Definition: myisamdef.h:324
ulong blob_len
Definition: myisamdef.h:679
Instrumentation helpers for rwlock.
ulonglong key_map
Definition: myisamdef.h:99
uint opt_flag
Definition: myisamdef.h:290
uchar * mi_recinfo_read(uchar *ptr, MI_COLUMNDEF *recinfo)
Definition: mi_open.cc:1209
int _mi_read_rnd_static_record(MI_INFO *, uchar *, my_off_t, bool)
Definition: mi_statrec.cc:173
bool _mi_read_pack_info(MI_INFO *info, bool fix_keys)
Definition: mi_packrec.cc:153
PSI_memory_key mi_key_memory_MYISAM_SHARE
Definition: mi_static.cc:98
uint rec_reflength
Definition: myisamdef.h:212
int _mi_check_index(MI_INFO *info, int inx)
Definition: mi_search.cc:45
Definition: myisamdef.h:520
bool is_log_table
Definition: myisamdef.h:224
PSI_memory_key mi_key_memory_ft_memroot
Definition: mi_static.cc:106
ulong block_len
Definition: myisamdef.h:678
uchar * key
Definition: myisamdef.h:331
Cursor end()
A past-the-end Cursor.
Definition: rules_table_service.cc:188
uint _mi_rec_pack(MI_INFO *info, uchar *to, const uchar *from)
Definition: mi_dynrec.cc:854
Definition: my_tree.h:67
my_off_t dellink
Definition: myisamdef.h:86
ulong _my_calc_total_blob_length(MI_INFO *info, const uchar *record)
Definition: mi_dynrec.cc:1152
uchar * rec_buff
Definition: myisamdef.h:268
int sort_ft_buf_flush(MI_SORT_PARAM *sort_param)
Definition: mi_check.cc:3467
Definition: my_sys.h:337
Definition: my_thread_bits.h:51
int _mi_decrement_open_count(MI_INFO *info)
Definition: mi_locking.cc:500
uint w_locks
Definition: myisamdef.h:219
Definition: myisamdef.h:716
static int write_key(MI_SORT_PARAM *info, uchar *key, IO_CACHE *tempfile)
Definition: sort.cc:648
data_file_type
Definition: my_base.h:1062
int thr_write_keys(MI_SORT_PARAM *sort_param)
Definition: sort.cc:459
Definition: myisamdef.h:337
Definition: myisamdef.h:55
static ha_checksum calc_checksum(ha_rows count)
Definition: mi_check.cc:853
static int save_state(MI_INFO *isam_file, PACK_MRG_INFO *mrg, my_off_t new_length, ha_checksum crc)
Definition: myisampack.cc:2680
int _mi_search_first(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos)
Definition: mi_search.cc:1175
PSI_memory_key mi_key_memory_SORT_KEY_BLOCKS
Definition: mi_static.cc:111
ulong pack_fields
Definition: myisamdef.h:141
Definition: myisamdef.h:241
void _myisam_log(enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length)
Definition: mi_log.cc:74
uchar * rec_buff
Definition: myisamdef.h:360
ulong rec_len
Definition: myisamdef.h:676
int _mi_write_keypage(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t page, int level, uchar *buff)
Definition: mi_page.cc:72
static uint keys
Definition: hp_test2.cc:45
int _mi_ck_delete(MI_INFO *info, uint keynr, uchar *key, uint key_length)
Definition: mi_delete.cc:133
uint nonmmaped_inserts
Definition: myisamdef.h:234
uint16_t uint16
Definition: my_inttypes.h:64
MI_KEYDEF * keyinfo
Definition: myisamdef.h:356
ulong last_unique
Definition: myisamdef.h:275
unsigned int uint
Definition: uca-dump.cc:29
case opt name
Definition: sslopt-case.h:32
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
uint myisam_readnext_vec[]
Definition: mi_static.cc:94
uint pack_length
Definition: myisamdef.h:163
ulong last_loop
Definition: myisamdef.h:277
SORT_INFO * sort_info
Definition: myisamdef.h:358
PSI_memory_key mi_key_memory_MYISAM_SHARE_decode_tables
Definition: mi_static.cc:115
int _mi_write_blob_record(MI_INFO *, const uchar *)
Definition: mi_dynrec.cc:255
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
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
uchar * rnext_same_key
Definition: myisamdef.h:266
ha_rows records
Definition: myisamdef.h:56
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
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 * file_map
Definition: myisamdef.h:189
void init_myisam_psi_keys()
Definition: mi_static.cc:210
uint32_t uint32
Definition: my_inttypes.h:66
HA_KEYSEG * seg
Definition: myisamdef.h:357
bool mi_dynmap_file(MI_INFO *info, my_off_t size)
Definition: mi_dynrec.cc:78
Instrumentation helpers for mysys threads.
uchar uniques
Definition: myisamdef.h:77
mi_bit_type current_byte
Definition: myisamdef.h:242
int myf
Definition: test_mysql_runtime_error.cc:66
int rtree_recursion_depth
Definition: myisamdef.h:326
uchar * _mi_move_key(MI_KEYDEF *keyinfo, uchar *to, const uchar *from)
Definition: mi_search.cc:1091
uchar * pos
Definition: myisamdef.h:244
uint8_t uint8
Definition: my_inttypes.h:62
unsigned int PSI_rwlock_key
Instrumented rwlock key.
Definition: psi_rwlock_bits.h:41
uchar * int_maxpos
Definition: myisamdef.h:269
uint mi_bit_type
Definition: myisamdef.h:239
static void update_record(uchar *record)
Definition: mi_test1.cc:423
uint totlength
Definition: myisamdef.h:521
int _mi_cmp_static_record(MI_INFO *info, const uchar *record)
Definition: mi_statrec.cc:106
ulong min_block_length
Definition: myisamdef.h:140
const string version("\ersion\)
bool quick_mode
Definition: myisamdef.h:311
ulong last_version
Definition: myisamdef.h:207
uint update
Definition: myisamdef.h:291
my_off_t save_lastpos
Definition: myisamdef.h:280
int mi_munmap_file(MI_INFO *info)
Definition: mi_dynrec.cc:124
my_thread_handle thr
Definition: myisamdef.h:338
#define MI_BLOCK_INFO_HEADER_LENGTH
Definition: myisamdef.h:466
const uchar * key
Definition: myisamdef.h:523
static char * where
Definition: mysqldump.cc:134
uchar version
Definition: myisamdef.h:170
ulonglong my_off_t
Definition: my_inttypes.h:71
int mi_unique_comp(MI_UNIQUEDEF *def, const uchar *a, const uchar *b, bool null_are_equal)
Definition: mi_unique.cc:142
ulonglong auto_increment
Definition: myisamdef.h:87
static const char * key
Definition: suite_stubs.c:14
struct record record
my_off_t last_search_keypage
Definition: myisamdef.h:283
int _mi_read_dynamic_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_dynrec.cc:1232
int File
Definition: my_io_bits.h:50
ulong offset
Definition: myisamdef.h:162
ha_checksum checksum
Definition: myisamdef.h:285
void _mi_unmap_file(MI_INFO *info)
Definition: mi_packrec.cc:1386
int _mi_read_pack_record(MI_INFO *info, my_off_t filepos, uchar *buf)
Definition: mi_packrec.cc:676
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
Some macros for dealing with pointer arithmetic, e.g., aligning of buffers to a given size...
my_off_t max_key_file_length
Definition: myisamdef.h:132
Definition: myisamdef.h:723
An instrumented rwlock structure.
Definition: mysql_rwlock_bits.h:50
MI_KEYDEF ft2_keyinfo
Definition: myisamdef.h:178
time_t recover_time
Definition: myisamdef.h:103
void mi_check_print_warning(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:589
ulong update_count
Definition: myisamdef.h:90
PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_mmap_lock
Definition: mi_static.cc:134
command
Definition: version_token.cc:278
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
THR_LOCK lock
Definition: myisamdef.h:230
uint _mi_get_static_key(MI_KEYDEF *keyinfo, uint nod_flag, uchar **page, uchar *key)
Definition: mi_search.cc:691
ha_checksum checksum
Definition: myisamdef.h:62
mysql_rwlock_t * key_root_lock
Definition: myisamdef.h:232
uint mi_base_info_write(File file, MI_BASE_INFO *base)
Definition: mi_open.cc:971
static MI_KEYDEF keyinfo[10]
Definition: mi_test1.cc:46
my_off_t _mi_kpos(uint nod_flag, uchar *after_key)
Definition: mi_search.cc:514
ulong this_process
Definition: myisamdef.h:205
unsigned int PSI_thread_key
Instrumented thread key.
Definition: psi_thread_bits.h:48
Definition: myisamdef.h:250
bool was_locked
Definition: myisamdef.h:309
uint auto_key
Definition: myisamdef.h:146
const char * filename
Definition: pfs_example_component_population.cc:64
static int flag
Definition: hp_test1.cc:39
bool store_not_null
Definition: myisamdef.h:525
uint unique_name_length
Definition: myisamdef.h:213
int flush_blocks(MI_CHECK *param, KEY_CACHE *key_cache, File file)
Definition: mi_check.cc:1739
my_off_t last_keypage
Definition: myisamdef.h:282
char * index_file_name
Definition: myisamdef.h:187
uint pack_bits
Definition: myisamdef.h:148
Definition: myisam.h:390
PSI_memory_key key_memory_QUEUE
Definition: mi_static.cc:119
static const Query_options options
Definition: show_query_builder.cc:48
myf write_flag
Definition: myisamdef.h:221
int tmp_lock_type
Definition: myisamdef.h:301
MEM_ROOT wordroot
Definition: myisamdef.h:362
my_off_t data_file_length
Definition: myisamdef.h:61
ulong min_pack_length
Definition: myisamdef.h:209
PSI_memory_key mi_key_memory_SORT_INFO_buffer
Definition: mi_static.cc:113
int _mi_cmp_static_unique(MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
Definition: mi_statrec.cc:131
uchar not_used
Definition: myisamdef.h:81
An instrumented mutex structure.
Definition: mysql_mutex_bits.h:49
Definition: myisamdef.h:66
uint save_lastkey_length
Definition: myisamdef.h:296
thread_local st_keycache_thread_var * keycache_tls
Definition: mi_static.cc:67
int key_cmp(KEY_PART_INFO *key_part, const uchar *key, uint key_length)
Compare key in record buffer to a given key.
Definition: key.cc:447
int myf
Definition: my_inttypes.h:93
ulong last_process
Definition: myisamdef.h:206
void mi_get_status(void *param, int concurrent_insert)
Definition: mi_locking.cc:261
Definition: my_list.h:35
ha_rows count
Definition: myisamdef.h:332
uint _mi_keylength(MI_KEYDEF *keyinfo, const uchar *key)
Definition: mi_search.cc:1045
MYSQL_FTPARSER_PARAM * ftparser_param
Definition: myisamdef.h:259
int sort_write_record(MI_SORT_PARAM *sort_param)
Definition: mi_check.cc:3297
MI_BIT_BUFF bit_buff
Definition: myisamdef.h:254
Definition: myisamdef.h:674
mysql_mutex_t THR_LOCK_myisam
Definition: my_thr_init.cc:72
int _mi_write_dynamic_record(MI_INFO *, const uchar *)
Definition: mi_dynrec.cc:244
ulong options
Definition: myisamdef.h:208
File kfile
Definition: myisamdef.h:215
void mi_set_index_cond_func(MI_INFO *info, index_cond_func_t func, void *func_arg)
Definition: mi_extra.cc:210
bool mi_check_status(void *param)
Definition: mi_locking.cc:349
void mi_restore_status(void *param)
Definition: mi_locking.cc:318
mysql_rwlock_t mmap_lock
Definition: myisamdef.h:236
my_off_t _mi_rec_pos(MYISAM_SHARE *info, uchar *ptr)
Definition: mi_search.cc:606
PSI_memory_key mi_key_memory_keycache_thread_var
Definition: mi_static.cc:118
PSI_file_key mi_key_file_log
Definition: mi_static.cc:156
my_off_t margin_key_file_length
Definition: myisamdef.h:133
void _mi_kpointer(MI_INFO *info, uchar *buff, my_off_t pos)
Definition: mi_search.cc:539
int _mi_search_last(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos)
Definition: mi_search.cc:1214
Definition: myisamdef.h:167
bool master
Definition: myisamdef.h:354
PSI_rwlock_key mi_key_rwlock_MYISAM_SHARE_key_root_lock
Definition: mi_static.cc:134
PSI_file_key mi_key_file_dfile
Definition: mi_static.cc:156
int save_lastinx
Definition: myisamdef.h:304
PSI_mutex_key mi_key_mutex_MYISAM_SHARE_intern_lock
Definition: mi_static.cc:121
uchar * mi_state_info_read(uchar *ptr, MI_STATE_INFO *state)
Definition: mi_open.cc:879
int mode
Definition: myisamdef.h:217
ha_checksum checksum
Definition: myisamdef.h:100
ulong header_length
Definition: myisamdef.h:168
uchar myisam_file_magic[]
Definition: mi_static.cc:41
Definition: os0file.h:85
uchar * record
Definition: myisamdef.h:363
uint error
Definition: myisamdef.h:245
MI_DECODE_TREE * decode_trees
Definition: myisamdef.h:191
ulong sec_index_changed
Definition: myisamdef.h:97
ulong * key_info
Definition: myisamdef.h:112
ICP_RESULT(* index_cond_func_t)(void *param)
Definition: myisamdef.h:248
Definition: myisamdef.h:720
int _mi_cmp_dynamic_unique(MI_INFO *info, MI_UNIQUEDEF *def, const uchar *record, my_off_t pos)
Definition: mi_dynrec.cc:1327
const int file_version
Definition: persisted_variable.cc:103
int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, const char *orn_name, File file_to_dup)
Definition: mi_open.cc:1229
my_off_t start_recpos
Definition: myisamdef.h:351
bool uncacheable
Definition: myisamdef.h:63
File myisam_log_file
Definition: mi_static.cc:54
my_off_t file_pos
Definition: myisamdef.h:330
bool calc_checksum
Definition: myisamdef.h:355
bool _mi_rec_check(MI_INFO *info, const uchar *record, uchar *packpos, ulong packed_length, bool with_checkum)
Definition: mi_dynrec.cc:954
Log info(cout, "NOTE")
void _mi_store_bin_pack_key(MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
Definition: mi_search.cc:1690
ulong this_loop
Definition: myisamdef.h:276
mysql_mutex_t intern_lock
Definition: myisamdef.h:231
PSI_memory_key mi_key_memory_MI_INFO_ft1_to_ft2
Definition: mi_static.cc:100
MI_PACK pack
Definition: myisamdef.h:183
Definition: myisamdef.h:329
The MEM_ROOT is a simple arena, where allocations are carved out of larger blocks.
Definition: my_alloc.h:77
int errkey
Definition: myisamdef.h:299
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(MI_INFO *info, MI_KEYDEF *keyinfo, uchar *key, uint key_len, uint nextflag, my_off_t pos)
Definition: mi_search.cc:76
int mi_open_keyfile(MYISAM_SHARE *share)
Definition: mi_open.cc:1259
uint second_read
Definition: myisamdef.h:683
ulong max_pack_length
Definition: myisamdef.h:139
uchar * mi_keyseg_read(uchar *ptr, HA_KEYSEG *keyseg)
Definition: mi_open.cc:1141
PSI_memory_key mi_key_memory_MI_INFO_bulk_insert
Definition: mi_static.cc:101
MI_STATUS_INFO state
Definition: myisamdef.h:84
void _mi_store_blob_length(uchar *pos, uint pack_length, uint length)
Definition: mi_dynrec.cc:1181
Definition: my_sys.h:300
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
uint8 changed
Definition: myisamdef.h:107
MY_TMPDIR * tmpdir
Definition: myisamdef.h:364
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
my_off_t * key_root
Definition: myisamdef.h:93
uchar myisam_pack_file_magic[]
Definition: mi_static.cc:47
static uint read_to_buffer(IO_CACHE *fromfile, Merge_chunk *merge_chunk, Sort_param *param)
Read from a disk file into the merge chunk&#39;s buffer.
Definition: filesort.cc:1660
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
PSI_memory_key mi_key_memory_MI_DECODE_TREE
Definition: mi_static.cc:114
PSI_memory_key mi_key_memory_record_buffer
Definition: mi_static.cc:102
void _myisam_log_command(enum myisam_log_commands command, MI_INFO *info, const uchar *buffert, uint length, int result)
Definition: mi_log.cc:95
int _mi_dispose(MI_INFO *info, MI_KEYDEF *keyinfo, my_off_t pos, int level)
Definition: mi_page.cc:101
Definition: myisam.h:171
uchar * rtree_recursion_state
Definition: myisamdef.h:325
void mi_check_print_info(MI_CHECK *param, const char *fmt,...)
Definition: ha_myisam.cc:582
int flush_pending_blocks(MI_SORT_PARAM *param)
Definition: mi_check.cc:3732
int _mi_test_if_changed(MI_INFO *info)
Definition: mi_locking.cc:434
uint save_pack_length(uint version, uchar *block_buff, ulong length)
Definition: mi_packrec.cc:1468
File data_file
Definition: myisamdef.h:216
ulong pack_reclength
Definition: myisamdef.h:137
ulonglong unique_hash(const Field *field, ulonglong *hash_val)
Generate hash for a field.
Definition: sql_executor.cc:4554
Definition: my_compare.h:58
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
LIST * in_use
Definition: myisamdef.h:185
void _mi_store_static_key(MI_KEYDEF *keyinfo, uchar *key_pos, MI_KEY_PARAM *s_temp)
Definition: mi_search.cc:1625
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
my_off_t rec_per_key_rows
Definition: myisamdef.h:95
int _mi_read_rnd_pack_record(MI_INFO *, uchar *, my_off_t, bool)
Definition: mi_packrec.cc:1167
ha_rows reloc
Definition: myisamdef.h:134
void * index_cond_func_arg
Definition: myisamdef.h:320
int _mi_delete_dynamic_record(MI_INFO *info)
Definition: mi_dynrec.cc:302
my_off_t ha_rows
Definition: my_base.h:1132
IO_CACHE rec_cache
Definition: myisamdef.h:306
int _mi_ck_write(MI_INFO *info, uint keynr, uchar *key, uint length)
Definition: mi_write.cc:208
void mi_update_status(void *param)
Definition: mi_locking.cc:281
static uint key_length
Definition: mi_test1.cc:42
ha_rows split
Definition: myisamdef.h:85
bool page_changed
Definition: myisamdef.h:312
ha_rows del
Definition: myisamdef.h:57
ulong data_len
Definition: myisamdef.h:677
PSI_mutex_key mi_key_mutex_MI_SORT_INFO_mutex
Definition: mi_static.cc:121
uint _mi_get_block_info(MI_BLOCK_INFO *, File, my_off_t)
Definition: mi_dynrec.cc:1641
This file follows Google coding style, except for the name MEM_ROOT (which is kept for historical rea...
PSI_memory_key mi_key_memory_MI_SORT_PARAM
Definition: mi_static.cc:108
int mi_check_index_cond(MI_INFO *info, uint keynr, uchar *record)
Definition: mi_key.cc:421
PSI_memory_key mi_key_memory_MI_SORT_PARAM_wordroot
Definition: mi_static.cc:109
uint sort_keys_length
Definition: myisamdef.h:353
Definition: myisamdef.h:160
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
myf lock_wait
Definition: myisamdef.h:308
int dfile
Definition: myisamdef.h:289
my_off_t _mi_new(MI_INFO *info, MI_KEYDEF *keyinfo, int level)
Definition: mi_page.cc:119