myrg_create.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 */
- /* Create a MYMERGE_-file */
- #include "myrg_def.h"
- /* create file named 'name' and save filenames in it
- table_names should be NULL or a vector of string-pointers with
- a NULL-pointer last
- */
- int myrg_create(const char *name, const char **table_names,
- uint insert_method, my_bool fix_names)
- {
- int save_errno;
- uint errpos;
- File file;
- char buff[FN_REFLEN],*end;
- DBUG_ENTER("myrg_create");
- errpos=0;
- if ((file = my_create(fn_format(buff,name,"",MYRG_NAME_EXT,4),0,
- O_RDWR | O_EXCL | O_NOFOLLOW,MYF(MY_WME))) < 0)
- goto err;
- errpos=1;
- if (table_names)
- {
- for ( ; *table_names ; table_names++)
- {
- strmov(buff,*table_names);
- if (fix_names)
- fn_same(buff,name,4);
- *(end=strend(buff))='n';
- end[1]=0;
- if (my_write(file,buff,(uint) (end-buff+1),
- MYF(MY_WME | MY_NABP)))
- goto err;
- }
- }
- if (insert_method != MERGE_INSERT_DISABLED)
- {
- end=strxmov(buff,"#INSERT_METHOD=",
- get_type(&merge_insert_method,insert_method-1),"n",NullS);
- if (my_write(file,buff,(uint) (end-buff),MYF(MY_WME | MY_NABP)))
- goto err;
- }
- if (my_close(file,MYF(0)))
- goto err;
- DBUG_RETURN(0);
- err:
- save_errno=my_errno ? my_errno : -1;
- switch (errpos) {
- case 1:
- VOID(my_close(file,MYF(0)));
- }
- DBUG_RETURN(my_errno=save_errno);
- } /* myrg_create */