70
69
This means that clearing of high keys is ignored, setting one high key
71
70
sets all high keys.
73
#define MI_KEYMAP_BITS (64)
74
#define MI_KEYMAP_HIGH_MASK (1UL << (MI_KEYMAP_BITS - 1))
72
#define MI_KEYMAP_BITS (8 * SIZEOF_LONG_LONG)
73
#define MI_KEYMAP_HIGH_MASK (1ULL << (MI_KEYMAP_BITS - 1))
75
74
#define mi_get_mask_all_keys_active(_keys_) \
76
75
(((_keys_) < MI_KEYMAP_BITS) ? \
77
((1UL << (_keys_)) - 1UL) : \
76
((1ULL << (_keys_)) - 1ULL) : \
80
79
#if MI_MAX_KEY > MI_KEYMAP_BITS
82
81
#define mi_is_key_active(_keymap_,_keyno_) \
83
82
(((_keyno_) < MI_KEYMAP_BITS) ? \
84
test((_keymap_) & (1UL << (_keyno_))) : \
83
test((_keymap_) & (1ULL << (_keyno_))) : \
85
84
test((_keymap_) & MI_KEYMAP_HIGH_MASK))
86
85
#define mi_set_key_active(_keymap_,_keyno_) \
87
86
(_keymap_)|= (((_keyno_) < MI_KEYMAP_BITS) ? \
88
(1UL << (_keyno_)) : \
87
(1ULL << (_keyno_)) : \
89
88
MI_KEYMAP_HIGH_MASK)
90
89
#define mi_clear_key_active(_keymap_,_keyno_) \
91
90
(_keymap_)&= (((_keyno_) < MI_KEYMAP_BITS) ? \
92
(~ (1UL << (_keyno_))) : \
93
(~ (0UL)) /*ignore*/ )
91
(~ (1ULL << (_keyno_))) : \
92
(~ (0ULL)) /*ignore*/ )
97
96
#define mi_is_key_active(_keymap_,_keyno_) \
98
test((_keymap_) & (1UL << (_keyno_)))
97
test((_keymap_) & (1ULL << (_keyno_)))
99
98
#define mi_set_key_active(_keymap_,_keyno_) \
100
(_keymap_)|= (1UL << (_keyno_))
99
(_keymap_)|= (1ULL << (_keyno_))
101
100
#define mi_clear_key_active(_keymap_,_keyno_) \
102
(_keymap_)&= (~ (1UL << (_keyno_)))
101
(_keymap_)&= (~ (1ULL << (_keyno_)))
203
188
HA_KEYSEG *seg,*end;
205
190
int (*bin_search)(struct st_myisam_info *info,struct st_mi_keydef *keyinfo,
206
unsigned char *page,unsigned char *key,
207
uint32_t key_len,uint32_t comp_flag,unsigned char * *ret_pos,
208
unsigned char *buff, bool *was_last_key);
209
uint32_t (*get_key)(struct st_mi_keydef *keyinfo,uint32_t nod_flag,unsigned char * *page,
211
int (*pack_key)(struct st_mi_keydef *keyinfo,uint32_t nod_flag,unsigned char *next_key,
212
unsigned char *org_key, unsigned char *prev_key, unsigned char *key,
191
uchar *page,uchar *key,
192
uint key_len,uint comp_flag,uchar * *ret_pos,
193
uchar *buff, bool *was_last_key);
194
uint (*get_key)(struct st_mi_keydef *keyinfo,uint nod_flag,uchar * *page,
196
int (*pack_key)(struct st_mi_keydef *keyinfo,uint nod_flag,uchar *next_key,
197
uchar *org_key, uchar *prev_key, uchar *key,
213
198
struct st_mi_s_param *s_temp);
214
void (*store_key)(struct st_mi_keydef *keyinfo, unsigned char *key_pos,
199
void (*store_key)(struct st_mi_keydef *keyinfo, uchar *key_pos,
215
200
struct st_mi_s_param *s_temp);
216
int (*ck_insert)(struct st_myisam_info *inf, uint32_t k_nr, unsigned char *k, uint32_t klen);
217
int (*ck_delete)(struct st_myisam_info *inf, uint32_t k_nr, unsigned char *k, uint32_t klen);
201
int (*ck_insert)(struct st_myisam_info *inf, uint k_nr, uchar *k, uint klen);
202
int (*ck_delete)(struct st_myisam_info *inf, uint k_nr, uchar *k, uint klen);
258
240
#ifndef NOT_PACKED_DATABASES
259
241
void (*unpack)(struct st_columndef *rec,struct st_mi_bit_buff *buff,
260
unsigned char *start,unsigned char *end);
261
enum drizzled::en_fieldtype base_type;
262
uint32_t space_length_bits,pack_type;
242
uchar *start,uchar *end);
243
enum en_fieldtype base_type;
244
uint space_length_bits,pack_type;
263
245
MI_DECODE_TREE *huff_tree;
270
250
extern char * myisam_log_filename; /* Name of logfile */
271
251
extern uint32_t myisam_block_size;
272
252
extern uint32_t myisam_concurrent_insert;
273
extern uint32_t myisam_bulk_insert_tree_size;
274
extern uint32_t data_pointer_size;
253
extern bool myisam_flush,myisam_delay_key_write,myisam_single_user;
254
extern my_off_t myisam_max_temp_length;
255
extern uint32_t myisam_bulk_insert_tree_size, myisam_data_pointer_size;
276
257
/* Prototypes for myisam-functions */
278
259
extern int mi_close(struct st_myisam_info *file);
279
extern int mi_delete(struct st_myisam_info *file,const unsigned char *buff);
280
extern struct st_myisam_info *mi_open(const drizzled::TableIdentifier &identifier,
282
uint32_t wait_if_locked);
283
extern int mi_panic(enum drizzled::ha_panic_function function);
284
extern int mi_rfirst(struct st_myisam_info *file,unsigned char *buf,int inx);
285
extern int mi_rkey(MI_INFO *info, unsigned char *buf, int inx, const unsigned char *key,
286
drizzled::key_part_map keypart_map, enum drizzled::ha_rkey_function search_flag);
287
extern int mi_rlast(struct st_myisam_info *file,unsigned char *buf,int inx);
288
extern int mi_rnext(struct st_myisam_info *file,unsigned char *buf,int inx);
289
extern int mi_rnext_same(struct st_myisam_info *info, unsigned char *buf);
290
extern int mi_rprev(struct st_myisam_info *file,unsigned char *buf,int inx);
291
extern int mi_rrnd(struct st_myisam_info *file,unsigned char *buf, drizzled::internal::my_off_t pos);
260
extern int mi_delete(struct st_myisam_info *file,const uchar *buff);
261
extern struct st_myisam_info *mi_open(const char *name,int mode,
262
uint wait_if_locked);
263
extern int mi_panic(enum ha_panic_function function);
264
extern int mi_rfirst(struct st_myisam_info *file,uchar *buf,int inx);
265
extern int mi_rkey(MI_INFO *info, uchar *buf, int inx, const uchar *key,
266
key_part_map keypart_map, enum ha_rkey_function search_flag);
267
extern int mi_rlast(struct st_myisam_info *file,uchar *buf,int inx);
268
extern int mi_rnext(struct st_myisam_info *file,uchar *buf,int inx);
269
extern int mi_rnext_same(struct st_myisam_info *info, uchar *buf);
270
extern int mi_rprev(struct st_myisam_info *file,uchar *buf,int inx);
271
extern int mi_rrnd(struct st_myisam_info *file,uchar *buf, my_off_t pos);
292
272
extern int mi_scan_init(struct st_myisam_info *file);
293
extern int mi_scan(struct st_myisam_info *file,unsigned char *buf);
294
extern int mi_rsame(struct st_myisam_info *file,unsigned char *record,int inx);
295
extern int mi_update(struct st_myisam_info *file,const unsigned char *old,
296
unsigned char *new_record);
297
extern int mi_write(struct st_myisam_info *file,unsigned char *buff);
298
extern drizzled::internal::my_off_t mi_position(struct st_myisam_info *file);
299
extern int mi_status(struct st_myisam_info *info, MI_ISAMINFO *x, uint32_t flag);
273
extern int mi_scan(struct st_myisam_info *file,uchar *buf);
274
extern int mi_rsame(struct st_myisam_info *file,uchar *record,int inx);
275
extern int mi_rsame_with_pos(struct st_myisam_info *file,uchar *record,
276
int inx, my_off_t pos);
277
extern int mi_update(struct st_myisam_info *file,const uchar *old,
279
extern int mi_write(struct st_myisam_info *file,uchar *buff);
280
extern my_off_t mi_position(struct st_myisam_info *file);
281
extern int mi_status(struct st_myisam_info *info, MI_ISAMINFO *x, uint flag);
300
282
extern int mi_lock_database(struct st_myisam_info *file,int lock_type);
301
extern int mi_create(const char *name,uint32_t keys,MI_KEYDEF *keydef,
302
uint32_t columns, drizzled::MI_COLUMNDEF *columndef,
303
uint32_t uniques, MI_UNIQUEDEF *uniquedef,
304
MI_CREATE_INFO *create_info, uint32_t flags);
283
extern int mi_create(const char *name,uint keys,MI_KEYDEF *keydef,
284
uint columns, MI_COLUMNDEF *columndef,
285
uint uniques, MI_UNIQUEDEF *uniquedef,
286
MI_CREATE_INFO *create_info, uint flags);
305
287
extern int mi_delete_table(const char *name);
306
288
extern int mi_rename(const char *from, const char *to);
307
289
extern int mi_extra(struct st_myisam_info *file,
308
enum drizzled::ha_extra_function function,
290
enum ha_extra_function function,
309
291
void *extra_arg);
310
292
extern int mi_reset(struct st_myisam_info *file);
311
extern drizzled::ha_rows mi_records_in_range(MI_INFO *info, int inx,
312
drizzled::key_range *min_key, drizzled::key_range *max_key);
293
extern ha_rows mi_records_in_range(MI_INFO *info, int inx,
294
key_range *min_key, key_range *max_key);
313
295
extern int mi_log(int activate_log);
296
extern int mi_is_changed(struct st_myisam_info *info);
314
297
extern int mi_delete_all_rows(struct st_myisam_info *info);
315
extern ulong _mi_calc_blob_length(uint32_t length , const unsigned char *pos);
316
extern uint32_t mi_get_pointer_length(uint64_t file_length, uint32_t def);
298
extern ulong _mi_calc_blob_length(uint length , const uchar *pos);
299
extern uint mi_get_pointer_length(uint64_t file_length, uint def);
318
301
/* this is used to pass to mysql_myisamchk_table */
402
393
uint64_t max_data_file_length;
403
394
uint64_t keys_in_use;
404
395
uint64_t max_record_length;
405
drizzled::internal::my_off_t search_after_block;
406
drizzled::internal::my_off_t new_file_pos,key_file_blocks;
407
drizzled::internal::my_off_t keydata,totaldata,key_blocks,start_check_pos;
408
drizzled::ha_rows total_records,total_deleted;
409
drizzled::internal::ha_checksum record_checksum,glob_crc;
410
uint64_t use_buffers;
411
size_t read_buffer_length, write_buffer_length,
412
sort_buffer_length, sort_key_blocks;
413
uint32_t out_flag,warning_printed,error_printed,verbose;
414
uint32_t opt_sort_key,total_files,max_level;
415
uint32_t testflag, key_cache_block_size;
396
my_off_t search_after_block;
397
my_off_t new_file_pos,key_file_blocks;
398
my_off_t keydata,totaldata,key_blocks,start_check_pos;
399
ha_rows total_records,total_deleted;
400
ha_checksum record_checksum,glob_crc;
401
ulong use_buffers,read_buffer_length,write_buffer_length,
402
sort_buffer_length,sort_key_blocks;
403
uint out_flag,warning_printed,error_printed,verbose;
404
uint opt_sort_key,total_files,max_level;
405
uint testflag, key_cache_block_size;
416
406
uint8_t language;
417
407
bool using_global_keycache, opt_lock_memory, opt_follow_links;
418
408
bool retry_repair, force_sort;
419
409
char temp_filename[FN_REFLEN],*isam_file_name;
420
411
int tmpfile_createflag;
421
drizzled::myf myf_rw;
422
drizzled::internal::IO_CACHE read_cache;
425
416
The next two are used to collect statistics, see update_key_parts for
428
419
uint64_t unique_count[MI_MAX_KEY_SEG+1];
429
420
uint64_t notnull_count[MI_MAX_KEY_SEG+1];
431
drizzled::internal::ha_checksum key_crc[HA_MAX_POSSIBLE_KEY];
422
ha_checksum key_crc[HA_MAX_POSSIBLE_KEY];
432
423
ulong rec_per_key_part[MI_MAX_KEY_SEG*HA_MAX_POSSIBLE_KEY];
434
425
const char *db_name, *table_name;
435
426
const char *op_name;
436
427
enum_mi_stats_method stats_method;
465
456
int mi_sort_index(MI_CHECK *param, register MI_INFO *info, char * name);
466
457
int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
467
458
const char * name, int rep_quick);
459
int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
460
const char * name, int rep_quick);
468
461
int change_to_newfile(const char * filename, const char * old_ext,
469
const char * new_ext, uint32_t raid_chunks,
470
drizzled::myf myflags);
462
const char * new_ext, uint raid_chunks,
471
464
void lock_memory(MI_CHECK *param);
472
465
void update_auto_increment_key(MI_CHECK *param, MI_INFO *info,
474
int update_state_info(MI_CHECK *param, MI_INFO *info,uint32_t update);
467
int update_state_info(MI_CHECK *param, MI_INFO *info,uint update);
475
468
void update_key_parts(MI_KEYDEF *keyinfo, ulong *rec_per_key_part,
476
uint64_t *unique, uint64_t *notnull,
469
uint64_t *unique, uint64_t *notnull,
477
470
uint64_t records);
478
int filecopy(MI_CHECK *param, int to,int from,drizzled::internal::my_off_t start,
479
drizzled::internal::my_off_t length, const char *type);
480
int movepoint(MI_INFO *info,unsigned char *record,drizzled::internal::my_off_t oldpos,
481
drizzled::internal::my_off_t newpos, uint32_t prot_key);
471
int filecopy(MI_CHECK *param, File to,File from,my_off_t start,
472
my_off_t length, const char *type);
473
int movepoint(MI_INFO *info,uchar *record,my_off_t oldpos,
474
my_off_t newpos, uint prot_key);
482
475
int write_data_suffix(SORT_INFO *sort_info, bool fix_datafile);
483
476
int test_if_almost_full(MI_INFO *info);
484
bool mi_test_if_sort_rep(MI_INFO *info, drizzled::ha_rows rows, uint64_t key_map,
477
int recreate_table(MI_CHECK *param, MI_INFO **org_info, char *filename);
478
bool mi_test_if_sort_rep(MI_INFO *info, ha_rows rows, uint64_t key_map,
487
int mi_init_bulk_insert(MI_INFO *info, uint32_t cache_size, drizzled::ha_rows rows);
488
void mi_flush_bulk_insert(MI_INFO *info, uint32_t 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, uint inx);
489
483
void mi_end_bulk_insert(MI_INFO *info);
484
int mi_assign_to_key_cache(MI_INFO *info, uint64_t key_map,
485
KEY_CACHE *key_cache);
486
void mi_change_key_cache(KEY_CACHE *old_key_cache,
487
KEY_CACHE *new_key_cache);
490
488
int mi_preload(MI_INFO *info, uint64_t key_map, bool ignore_leaves);
492
#endif /* PLUGIN_MYISAM_MYISAM_H */