mi_static.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /*
- Static variables for MyISAM library. All definied here for easy making of
- a shared library
- */
- #ifndef _global_h
- #include "myisamdef.h"
- #endif
- LIST *myisam_open_list=0;
- uchar NEAR myisam_file_magic[]=
- { (uchar) 254, (uchar) 254,' 07', ' 01', };
- uchar NEAR myisam_pack_file_magic[]=
- { (uchar) 254, (uchar) 254,' 10', ' 02', };
- my_string myisam_log_filename=(char*) "myisam.log";
- File myisam_log_file= -1;
- uint myisam_quick_table_bits=9;
- uint myisam_block_size=MI_KEY_BLOCK_LENGTH; /* Best by test */
- my_bool myisam_flush=0, myisam_delay_key_write=0, myisam_single_user=0;
- #if defined(THREAD) && !defined(DONT_USE_RW_LOCKS)
- my_bool myisam_concurrent_insert=1;
- #else
- my_bool myisam_concurrent_insert=0;
- #endif
- my_off_t myisam_max_extra_temp_length= (my_off_t)MI_MAX_TEMP_LENGTH;
- my_off_t myisam_max_temp_length= MAX_FILE_SIZE;
- ulong myisam_bulk_insert_tree_size=8192*1024;
- ulong myisam_data_pointer_size=4;
- /*
- read_vec[] is used for converting between P_READ_KEY.. and SEARCH_
- Position is , == , >= , <= , > , <
- */
- uint NEAR myisam_read_vec[]=
- {
- SEARCH_FIND, SEARCH_FIND | SEARCH_BIGGER, SEARCH_FIND | SEARCH_SMALLER,
- SEARCH_NO_FIND | SEARCH_BIGGER, SEARCH_NO_FIND | SEARCH_SMALLER,
- SEARCH_FIND | SEARCH_PREFIX, SEARCH_LAST, SEARCH_LAST | SEARCH_SMALLER,
- MBR_CONTAIN, MBR_INTERSECT, MBR_WITHIN, MBR_DISJOINT, MBR_EQUAL
- };
- uint NEAR myisam_readnext_vec[]=
- {
- SEARCH_BIGGER, SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_BIGGER, SEARCH_SMALLER,
- SEARCH_BIGGER, SEARCH_SMALLER, SEARCH_SMALLER
- };