1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/* Copyright (C) 2000-2001, 2005 MySQL 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; version 2 of the License.
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,
MY_UNPACK_FILENAME|MY_APPEND_EXT),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,(uchar*) 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, (uchar*) 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 */
|