release/src/router/mysql/storage/myisam/mi_rename.c

   1 /* Copyright (c) 2000, 2001, 2004-2006 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 /*
  17   Rename a table
  18 */
  19
  20 #include "fulltext.h"
  21
  22 int mi_rename(const char *old_name, const char *new_name)
  23 {
  24   char from[FN_REFLEN],to[FN_REFLEN];
  25 #ifdef USE_RAID
  26   uint raid_type=0,raid_chunks=0;
  27 #endif
  28   DBUG_ENTER("mi_rename");
  29
  30 #ifdef EXTRA_DEBUG
  31   check_table_is_closed(old_name,"rename old_table");
  32   check_table_is_closed(new_name,"rename new table2");
  33 #endif
  34 #ifdef USE_RAID
  35   {
  36     MI_INFO *info;
  37     if (!(info=mi_open(old_name, O_RDONLY, 0)))
  38       DBUG_RETURN(my_errno);
  39     raid_type =      info->s->base.raid_type;
  40     raid_chunks =    info->s->base.raid_chunks;
  41     mi_close(info);
  42   }
  43 #ifdef EXTRA_DEBUG
  44   check_table_is_closed(old_name,"rename raidcheck");
  45 #endif
  46 #endif /* USE_RAID */
  47
  48   fn_format(from,old_name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
  49   fn_format(to,new_name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
  50   if (my_rename_with_symlink(from, to, MYF(MY_WME)))
  51     DBUG_RETURN(my_errno);
  52   fn_format(from,old_name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
  53   fn_format(to,new_name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
  54 #ifdef USE_RAID
  55   if (raid_type)
  56     DBUG_RETURN(my_raid_rename(from, to, raid_chunks, MYF(MY_WME)) ? my_errno :
  57                 0);
  58 #endif
  59   DBUG_RETURN(my_rename_with_symlink(from, to,MYF(MY_WME)) ? my_errno : 0);
  60 }