1/* Copyright (c) 2000, 2001, 2005-2007 MySQL AB, 2009 Sun Microsystems, Inc.
2 Use is subject to license terms.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
16
17/* Create a MYMERGE_-file */
18
19#include "myrg_def.h"
20
21 /* create file named 'name' and save filenames in it
22 table_names should be NULL or a vector of string-pointers with
23 a NULL-pointer last
24 */
25
26int myrg_create(const char *name, const char **table_names,
27 uint insert_method, my_bool fix_names)
28{
29 int save_errno;
30 uint errpos;
31 File file;
32 char buff[FN_REFLEN],*end;
33 DBUG_ENTER("myrg_create");
34
35 errpos=0;
36 if ((file= mysql_file_create(rg_key_file_MRG, name, 0,
37 O_RDWR | O_EXCL | O_NOFOLLOW, MYF(MY_WME))) < 0)
38 goto err;
39 errpos=1;
40 if (table_names)
41 {
42 for ( ; *table_names ; table_names++)
43 {
44 strmov(buff,*table_names);
45 if (fix_names)
46 fn_same(buff,name,4);
47 *(end=strend(buff))='\n';
48 end[1]=0;
49 if (mysql_file_write(file, (uchar*) buff, (uint) (end-buff+1),
50 MYF(MY_WME | MY_NABP)))
51 goto err;
52 }
53 }
54 if (insert_method != MERGE_INSERT_DISABLED)
55 {
56 end=strxmov(buff,"#INSERT_METHOD=",
57 get_type(&merge_insert_method,insert_method-1),"\n",NullS);
58 if (mysql_file_write(file, (uchar*) buff, (uint) (end-buff),
59 MYF(MY_WME | MY_NABP)))
60 goto err;
61 }
62 if (mysql_file_close(file, MYF(0)))
63 goto err;
64 DBUG_RETURN(0);
65
66err:
67 save_errno=my_errno ? my_errno : -1;
68 switch (errpos) {
69 case 1:
70 (void) mysql_file_close(file, MYF(0));
71 }
72 DBUG_RETURN(my_errno=save_errno);
73} /* myrg_create */
74