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Viewing changes to storage/myisam/mi_rename.c

  • Committer: brian
  • Date: 2008-06-25 05:29:13 UTC
  • Revision ID: brian@localhost.localdomain-20080625052913-6upwo0jsrl4lnapl
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storage/myisam/mi_rename.c
 
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/* Copyright (C) 2000-2001, 2004 MySQL AB
 
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   This program is free software; you can redistribute it and/or modify
 
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   it under the terms of the GNU General Public License as published by
 
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   the Free Software Foundation; version 2 of the License.
 
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   This program is distributed in the hope that it will be useful,
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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   GNU General Public License for more details.
 
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   You should have received a copy of the GNU General Public License
 
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   along with this program; if not, write to the Free Software
 
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
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/*
 
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  Rename a table
 
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*/
 
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#include "fulltext.h"
 
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int mi_rename(const char *old_name, const char *new_name)
 
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{
 
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  char from[FN_REFLEN],to[FN_REFLEN];
 
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#ifdef USE_RAID
 
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  uint raid_type=0,raid_chunks=0;
 
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#endif
 
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  DBUG_ENTER("mi_rename");
 
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#ifdef EXTRA_DEBUG
 
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  check_table_is_closed(old_name,"rename old_table");
 
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  check_table_is_closed(new_name,"rename new table2");
 
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#endif
 
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#ifdef USE_RAID
 
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  {
 
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    MI_INFO *info;
 
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    if (!(info=mi_open(old_name, O_RDONLY, 0)))
 
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      DBUG_RETURN(my_errno);
 
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    raid_type =      info->s->base.raid_type;
 
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    raid_chunks =    info->s->base.raid_chunks;
 
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    mi_close(info);
 
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  }
 
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#ifdef EXTRA_DEBUG
 
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  check_table_is_closed(old_name,"rename raidcheck");
 
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#endif
 
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#endif /* USE_RAID */
 
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  fn_format(from,old_name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
 
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  fn_format(to,new_name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
 
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  if (my_rename_with_symlink(from, to, MYF(MY_WME)))
 
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    DBUG_RETURN(my_errno);
 
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  fn_format(from,old_name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
 
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  fn_format(to,new_name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
 
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#ifdef USE_RAID
 
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  if (raid_type)
 
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    DBUG_RETURN(my_raid_rename(from, to, raid_chunks, MYF(MY_WME)) ? my_errno :
 
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                0);
 
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#endif
 
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  DBUG_RETURN(my_rename_with_symlink(from, to,MYF(MY_WME)) ? my_errno : 0);
 
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}