16
16
/* Create a MyISAM table */
18
18
#include "myisamdef.h"
19
#include <mysys/my_tree.h>
20
#include <mysys/queues.h>
21
#include <mysys/my_bit.h>
23
#include <drizzled/util/test.h>
26
27
Old options is used when recreating database, from myisamchk
29
int mi_create(const char *name,uint32_t keys,MI_KEYDEF *keydefs,
30
uint32_t columns, MI_COLUMNDEF *recinfo,
31
uint32_t uniques, MI_UNIQUEDEF *uniquedefs,
32
MI_CREATE_INFO *ci,uint32_t flags)
30
int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
31
uint columns, MI_COLUMNDEF *recinfo,
32
uint uniques, MI_UNIQUEDEF *uniquedefs,
33
MI_CREATE_INFO *ci,uint flags)
34
register uint32_t i, j;
35
File dfile= 0, file= 0;
36
37
int errpos,save_errno, create_mode= O_RDWR | O_TRUNC;
38
uint32_t fields,length,max_key_length,packed,pointer,real_length_diff,
39
uint fields,length,max_key_length,packed,pointer,real_length_diff,
39
40
key_length,info_length,key_segs,options,min_key_length_skip,
40
41
base_pos,long_varchar_count,varchar_length,
41
42
max_key_block_length,unique_key_parts,fulltext_keys,offset;
42
uint32_t aligned_key_start, block_length;
43
uint aligned_key_start, block_length;
43
44
ulong reclength, real_reclength,min_pack_length;
44
45
char filename[FN_REFLEN],linkname[FN_REFLEN], *linkname_ptr;
45
46
ulong pack_reclength;
355
356
block_length= (keydef->block_length ?
356
357
my_round_up_to_next_power(keydef->block_length) :
357
358
myisam_block_size);
358
block_length= cmax(block_length, MI_MIN_KEY_BLOCK_LENGTH);
359
block_length= cmin(block_length, MI_MAX_KEY_BLOCK_LENGTH);
359
block_length= max(block_length, MI_MIN_KEY_BLOCK_LENGTH);
360
block_length= min(block_length, MI_MAX_KEY_BLOCK_LENGTH);
361
362
keydef->block_length= (uint16_t) MI_BLOCK_SIZE(length-real_length_diff,
362
363
pointer,MI_MAX_KEYPTR_SIZE,
417
memcpy(share.state.header.file_version,myisam_file_magic,4);
418
bmove(share.state.header.file_version,(uchar*) myisam_file_magic,4);
418
419
ci->old_options=options| (ci->old_options & HA_OPTION_TEMP_COMPRESS_RECORD ?
419
420
HA_OPTION_COMPRESS_RECORD |
420
421
HA_OPTION_TEMP_COMPRESS_RECORD: 0);
432
433
share.state.unique= (ulong) 0;
433
434
share.state.update_count=(ulong) 0;
434
435
share.state.version= (ulong) time((time_t*) 0);
435
share.state.sortkey= UINT16_MAX;
436
share.state.sortkey= (ushort) ~0;
436
437
share.state.auto_increment=ci->auto_increment;
437
438
share.options=options;
438
439
share.base.rec_reflength=pointer;
444
445
got from MYI file header (see also myisampack.c:save_state)
446
447
share.base.key_reflength=
447
mi_get_pointer_length(cmax(ci->key_file_length,tmp),3);
448
mi_get_pointer_length(max(ci->key_file_length,tmp),3);
448
449
share.base.keys= share.state.header.keys= keys;
449
450
share.state.header.uniques= uniques;
450
451
share.state.header.fulltext_keys= fulltext_keys;
477
478
share.base.min_block_length=
478
479
(share.base.pack_reclength+3 < MI_EXTEND_BLOCK_LENGTH &&
479
480
! share.base.blobs) ?
480
cmax(share.base.pack_reclength,MI_MIN_BLOCK_LENGTH) :
481
max(share.base.pack_reclength,MI_MIN_BLOCK_LENGTH) :
481
482
MI_EXTEND_BLOCK_LENGTH;
482
483
if (! (flags & HA_DONT_TOUCH_DATA))
483
484
share.state.create_time= (long) time((time_t*) 0);
615
616
/* Create extra keys for unique definitions */
616
617
offset=reclength-uniques*MI_UNIQUE_HASH_LENGTH;
617
memset(&tmp_keydef, 0, sizeof(tmp_keydef));
618
memset(&tmp_keyseg, 0, sizeof(tmp_keyseg));
618
bzero((char*) &tmp_keydef,sizeof(tmp_keydef));
619
bzero((char*) &tmp_keyseg,sizeof(tmp_keyseg));
619
620
for (i=0; i < uniques ; i++)
621
622
tmp_keydef.keysegs=1;
693
694
save_errno=my_errno;
694
695
switch (errpos) {
696
my_close(dfile,MYF(0));
697
VOID(my_close(dfile,MYF(0)));
697
698
/* fall through */
700
/* QQ: T�nu should add a call to my_raid_delete() here */
699
701
if (! (flags & HA_DONT_TOUCH_DATA))
700
702
my_delete_with_symlink(fn_format(filename,name,"",MI_NAME_DEXT,
701
703
MY_UNPACK_FILENAME | MY_APPEND_EXT),
703
705
/* fall through */
705
my_close(file,MYF(0));
707
VOID(my_close(file,MYF(0)));
706
708
if (! (flags & HA_DONT_TOUCH_DATA))
707
709
my_delete_with_symlink(fn_format(filename,name,"",MI_NAME_IEXT,
708
710
MY_UNPACK_FILENAME | MY_APPEND_EXT),
711
free((char*) rec_per_key_part);
713
my_free((char*) rec_per_key_part, MYF(0));
712
714
return(my_errno=save_errno); /* return the fatal errno */
716
uint32_t mi_get_pointer_length(uint64_t file_length, uint32_t def)
718
uint mi_get_pointer_length(uint64_t file_length, uint def)
718
720
assert(def >= 2 && def <= 7);
719
721
if (file_length) /* If not default */