21
22
#include "myisamdef.h"
23
25
LIST *myisam_open_list=0;
24
unsigned char myisam_file_magic[]=
25
{ (unsigned char) 254, (unsigned char) 254,'\007', '\001', };
26
unsigned char myisam_pack_file_magic[]=
27
{ (unsigned char) 254, (unsigned char) 254,'\010', '\002', };
26
uchar myisam_file_magic[]=
27
{ (uchar) 254, (uchar) 254,'\007', '\001', };
28
uchar myisam_pack_file_magic[]=
29
{ (uchar) 254, (uchar) 254,'\010', '\002', };
28
30
char * myisam_log_filename=(char*) "myisam.log";
29
31
File myisam_log_file= -1;
30
32
uint myisam_quick_table_bits=9;
31
uint32_t myisam_block_size= MI_KEY_BLOCK_LENGTH; /* Best by test */
33
ulong myisam_block_size= MI_KEY_BLOCK_LENGTH; /* Best by test */
32
34
bool myisam_flush= false;
33
35
bool myisam_delay_key_write= false;
34
36
bool myisam_single_user= false;
35
uint32_t myisam_concurrent_insert= 2;
37
#if !defined(DONT_USE_RW_LOCKS)
38
ulong myisam_concurrent_insert= 2;
40
ulong myisam_concurrent_insert= 0;
36
42
my_off_t myisam_max_temp_length= MAX_FILE_SIZE;
37
uint32_t myisam_bulk_insert_tree_size=8192*1024;
38
uint32_t myisam_data_pointer_size=4;
43
ulong myisam_bulk_insert_tree_size=8192*1024;
44
ulong myisam_data_pointer_size=4;
41
47
read_vec[] is used for converting between P_READ_KEY.. and SEARCH_
42
48
Position is , == , >= , <= , > , <
45
uint32_t myisam_read_vec[]=
51
uint myisam_read_vec[]=
47
53
SEARCH_FIND, SEARCH_FIND | SEARCH_BIGGER, SEARCH_FIND | SEARCH_SMALLER,
48
54
SEARCH_NO_FIND | SEARCH_BIGGER, SEARCH_NO_FIND | SEARCH_SMALLER,
50
56
MBR_CONTAIN, MBR_INTERSECT, MBR_WITHIN, MBR_DISJOINT, MBR_EQUAL
53
uint32_t myisam_readnext_vec[]=
59
uint myisam_readnext_vec[]=
55
61
SEARCH_BIGGER, SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_BIGGER, SEARCH_SMALLER,
56
62
SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_SMALLER