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69
This means that clearing of high keys is ignored, setting one high key
72
70
sets all high keys.
74
#define MI_KEYMAP_BITS (8 * SIZEOF_LONG_LONG)
75
#define MI_KEYMAP_HIGH_MASK (1ULL << (MI_KEYMAP_BITS - 1))
72
#define MI_KEYMAP_BITS (64)
73
#define MI_KEYMAP_HIGH_MASK (1UL << (MI_KEYMAP_BITS - 1))
76
74
#define mi_get_mask_all_keys_active(_keys_) \
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(((_keys_) < MI_KEYMAP_BITS) ? \
78
((1ULL << (_keys_)) - 1ULL) : \
76
((1UL << (_keys_)) - 1UL) : \
81
79
#if MI_MAX_KEY > MI_KEYMAP_BITS
83
81
#define mi_is_key_active(_keymap_,_keyno_) \
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(((_keyno_) < MI_KEYMAP_BITS) ? \
85
test((_keymap_) & (1ULL << (_keyno_))) : \
83
test((_keymap_) & (1UL << (_keyno_))) : \
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test((_keymap_) & MI_KEYMAP_HIGH_MASK))
87
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#define mi_set_key_active(_keymap_,_keyno_) \
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(_keymap_)|= (((_keyno_) < MI_KEYMAP_BITS) ? \
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(1ULL << (_keyno_)) : \
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(1UL << (_keyno_)) : \
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MI_KEYMAP_HIGH_MASK)
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#define mi_clear_key_active(_keymap_,_keyno_) \
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(_keymap_)&= (((_keyno_) < MI_KEYMAP_BITS) ? \
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(~ (1ULL << (_keyno_))) : \
94
(~ (0ULL)) /*ignore*/ )
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(~ (1UL << (_keyno_))) : \
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(~ (0UL)) /*ignore*/ )
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#define mi_is_key_active(_keymap_,_keyno_) \
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test((_keymap_) & (1ULL << (_keyno_)))
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test((_keymap_) & (1UL << (_keyno_)))
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98
#define mi_set_key_active(_keymap_,_keyno_) \
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(_keymap_)|= (1ULL << (_keyno_))
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(_keymap_)|= (1UL << (_keyno_))
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100
#define mi_clear_key_active(_keymap_,_keyno_) \
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(_keymap_)&= (~ (1ULL << (_keyno_)))
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(_keymap_)&= (~ (1UL << (_keyno_)))
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HA_KEYSEG *seg,*end;
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int (*bin_search)(struct st_myisam_info *info,struct st_mi_keydef *keyinfo,
193
uchar *page,uchar *key,
194
uint key_len,uint comp_flag,uchar * *ret_pos,
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uchar *buff, my_bool *was_last_key);
196
uint (*get_key)(struct st_mi_keydef *keyinfo,uint nod_flag,uchar * *page,
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int (*pack_key)(struct st_mi_keydef *keyinfo,uint nod_flag,uchar *next_key,
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uchar *org_key, uchar *prev_key, uchar *key,
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unsigned char *page,unsigned char *key,
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uint32_t key_len,uint32_t comp_flag,unsigned char * *ret_pos,
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unsigned char *buff, bool *was_last_key);
194
uint32_t (*get_key)(struct st_mi_keydef *keyinfo,uint32_t nod_flag,unsigned char * *page,
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int (*pack_key)(struct st_mi_keydef *keyinfo,uint32_t nod_flag,unsigned char *next_key,
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unsigned char *org_key, unsigned char *prev_key, unsigned char *key,
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struct st_mi_s_param *s_temp);
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void (*store_key)(struct st_mi_keydef *keyinfo, uchar *key_pos,
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void (*store_key)(struct st_mi_keydef *keyinfo, unsigned char *key_pos,
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struct st_mi_s_param *s_temp);
203
int (*ck_insert)(struct st_myisam_info *inf, uint k_nr, uchar *k, uint klen);
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int (*ck_delete)(struct st_myisam_info *inf, uint k_nr, uchar *k, uint klen);
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int (*ck_insert)(struct st_myisam_info *inf, uint32_t k_nr, unsigned char *k, uint32_t klen);
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int (*ck_delete)(struct st_myisam_info *inf, uint32_t k_nr, unsigned char *k, uint32_t klen);
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#ifndef NOT_PACKED_DATABASES
243
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void (*unpack)(struct st_columndef *rec,struct st_mi_bit_buff *buff,
244
uchar *start,uchar *end);
242
unsigned char *start,unsigned char *end);
245
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enum en_fieldtype base_type;
246
uint space_length_bits,pack_type;
244
uint32_t space_length_bits,pack_type;
247
245
MI_DECODE_TREE *huff_tree;
252
250
extern char * myisam_log_filename; /* Name of logfile */
253
extern ulong myisam_block_size;
254
extern ulong myisam_concurrent_insert;
251
extern uint32_t myisam_block_size;
252
extern uint32_t myisam_concurrent_insert;
255
253
extern bool myisam_flush,myisam_delay_key_write,myisam_single_user;
256
254
extern my_off_t myisam_max_temp_length;
257
extern ulong myisam_bulk_insert_tree_size, myisam_data_pointer_size;
255
extern uint32_t myisam_bulk_insert_tree_size, myisam_data_pointer_size;
259
257
/* Prototypes for myisam-functions */
261
259
extern int mi_close(struct st_myisam_info *file);
262
extern int mi_delete(struct st_myisam_info *file,const uchar *buff);
260
extern int mi_delete(struct st_myisam_info *file,const unsigned char *buff);
263
261
extern struct st_myisam_info *mi_open(const char *name,int mode,
264
uint wait_if_locked);
262
uint32_t wait_if_locked);
265
263
extern int mi_panic(enum ha_panic_function function);
266
extern int mi_rfirst(struct st_myisam_info *file,uchar *buf,int inx);
267
extern int mi_rkey(MI_INFO *info, uchar *buf, int inx, const uchar *key,
264
extern int mi_rfirst(struct st_myisam_info *file,unsigned char *buf,int inx);
265
extern int mi_rkey(MI_INFO *info, unsigned char *buf, int inx, const unsigned char *key,
268
266
key_part_map keypart_map, enum ha_rkey_function search_flag);
269
extern int mi_rlast(struct st_myisam_info *file,uchar *buf,int inx);
270
extern int mi_rnext(struct st_myisam_info *file,uchar *buf,int inx);
271
extern int mi_rnext_same(struct st_myisam_info *info, uchar *buf);
272
extern int mi_rprev(struct st_myisam_info *file,uchar *buf,int inx);
273
extern int mi_rrnd(struct st_myisam_info *file,uchar *buf, my_off_t pos);
267
extern int mi_rlast(struct st_myisam_info *file,unsigned char *buf,int inx);
268
extern int mi_rnext(struct st_myisam_info *file,unsigned char *buf,int inx);
269
extern int mi_rnext_same(struct st_myisam_info *info, unsigned char *buf);
270
extern int mi_rprev(struct st_myisam_info *file,unsigned char *buf,int inx);
271
extern int mi_rrnd(struct st_myisam_info *file,unsigned char *buf, my_off_t pos);
274
272
extern int mi_scan_init(struct st_myisam_info *file);
275
extern int mi_scan(struct st_myisam_info *file,uchar *buf);
276
extern int mi_rsame(struct st_myisam_info *file,uchar *record,int inx);
277
extern int mi_rsame_with_pos(struct st_myisam_info *file,uchar *record,
273
extern int mi_scan(struct st_myisam_info *file,unsigned char *buf);
274
extern int mi_rsame(struct st_myisam_info *file,unsigned char *record,int inx);
275
extern int mi_rsame_with_pos(struct st_myisam_info *file,unsigned char *record,
278
276
int inx, my_off_t pos);
279
extern int mi_update(struct st_myisam_info *file,const uchar *old,
281
extern int mi_write(struct st_myisam_info *file,uchar *buff);
277
extern int mi_update(struct st_myisam_info *file,const unsigned char *old,
278
unsigned char *new_record);
279
extern int mi_write(struct st_myisam_info *file,unsigned char *buff);
282
280
extern my_off_t mi_position(struct st_myisam_info *file);
283
extern int mi_status(struct st_myisam_info *info, MI_ISAMINFO *x, uint flag);
281
extern int mi_status(struct st_myisam_info *info, MI_ISAMINFO *x, uint32_t flag);
284
282
extern int mi_lock_database(struct st_myisam_info *file,int lock_type);
285
extern int mi_create(const char *name,uint keys,MI_KEYDEF *keydef,
286
uint columns, MI_COLUMNDEF *columndef,
287
uint uniques, MI_UNIQUEDEF *uniquedef,
288
MI_CREATE_INFO *create_info, uint flags);
283
extern int mi_create(const char *name,uint32_t keys,MI_KEYDEF *keydef,
284
uint32_t columns, MI_COLUMNDEF *columndef,
285
uint32_t uniques, MI_UNIQUEDEF *uniquedef,
286
MI_CREATE_INFO *create_info, uint32_t flags);
289
287
extern int mi_delete_table(const char *name);
290
288
extern int mi_rename(const char *from, const char *to);
291
289
extern int mi_extra(struct st_myisam_info *file,
402
400
ha_checksum record_checksum,glob_crc;
403
401
ulong use_buffers,read_buffer_length,write_buffer_length,
404
402
sort_buffer_length,sort_key_blocks;
405
uint out_flag,warning_printed,error_printed,verbose;
406
uint opt_sort_key,total_files,max_level;
407
uint testflag, key_cache_block_size;
403
uint32_t out_flag,warning_printed,error_printed,verbose;
404
uint32_t opt_sort_key,total_files,max_level;
405
uint32_t testflag, key_cache_block_size;
408
406
uint8_t language;
409
my_bool using_global_keycache, opt_lock_memory, opt_follow_links;
410
my_bool retry_repair, force_sort;
407
bool using_global_keycache, opt_lock_memory, opt_follow_links;
408
bool retry_repair, force_sort;
411
409
char temp_filename[FN_REFLEN],*isam_file_name;
412
410
MY_TMPDIR *tmpdir;
413
411
int tmpfile_createflag;
415
413
IO_CACHE read_cache;
418
416
The next two are used to collect statistics, see update_key_parts for
421
419
uint64_t unique_count[MI_MAX_KEY_SEG+1];
422
420
uint64_t notnull_count[MI_MAX_KEY_SEG+1];
424
422
ha_checksum key_crc[HA_MAX_POSSIBLE_KEY];
425
423
ulong rec_per_key_part[MI_MAX_KEY_SEG*HA_MAX_POSSIBLE_KEY];
427
425
const char *db_name, *table_name;
428
426
const char *op_name;
429
427
enum_mi_stats_method stats_method;
461
459
int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
462
460
const char * name, int rep_quick);
463
461
int change_to_newfile(const char * filename, const char * old_ext,
464
const char * new_ext, uint raid_chunks,
462
const char * new_ext, uint32_t raid_chunks,
466
464
void lock_memory(MI_CHECK *param);
467
465
void update_auto_increment_key(MI_CHECK *param, MI_INFO *info,
469
int update_state_info(MI_CHECK *param, MI_INFO *info,uint update);
467
int update_state_info(MI_CHECK *param, MI_INFO *info,uint32_t update);
470
468
void update_key_parts(MI_KEYDEF *keyinfo, ulong *rec_per_key_part,
471
uint64_t *unique, uint64_t *notnull,
469
uint64_t *unique, uint64_t *notnull,
472
470
uint64_t records);
473
471
int filecopy(MI_CHECK *param, File to,File from,my_off_t start,
474
472
my_off_t length, const char *type);
475
int movepoint(MI_INFO *info,uchar *record,my_off_t oldpos,
476
my_off_t newpos, uint prot_key);
477
int write_data_suffix(SORT_INFO *sort_info, my_bool fix_datafile);
473
int movepoint(MI_INFO *info,unsigned char *record,my_off_t oldpos,
474
my_off_t newpos, uint32_t prot_key);
475
int write_data_suffix(SORT_INFO *sort_info, bool fix_datafile);
478
476
int test_if_almost_full(MI_INFO *info);
479
477
int recreate_table(MI_CHECK *param, MI_INFO **org_info, char *filename);
480
my_bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows, uint64_t key_map,
478
bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows, uint64_t key_map,
483
int mi_init_bulk_insert(MI_INFO *info, ulong cache_size, ha_rows rows);
484
void mi_flush_bulk_insert(MI_INFO *info, uint inx);
481
int mi_init_bulk_insert(MI_INFO *info, uint32_t cache_size, ha_rows rows);
482
void mi_flush_bulk_insert(MI_INFO *info, uint32_t inx);
485
483
void mi_end_bulk_insert(MI_INFO *info);
486
int mi_assign_to_key_cache(MI_INFO *info, uint64_t key_map,
484
int mi_assign_to_key_cache(MI_INFO *info, uint64_t key_map,
487
485
KEY_CACHE *key_cache);
488
486
void mi_change_key_cache(KEY_CACHE *old_key_cache,
489
487
KEY_CACHE *new_key_cache);
490
int mi_preload(MI_INFO *info, uint64_t key_map, my_bool ignore_leaves);
488
int mi_preload(MI_INFO *info, uint64_t key_map, bool ignore_leaves);
492
490
#ifdef __cplusplus