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Viewing changes to storage/myisam/mi_delete_table.c

  • Committer: Brian Aker
  • Date: 2008-07-06 15:03:34 UTC
  • Revision ID: brian@tangent.org-20080706150334-xv3xa202trvs0712
USE_RAID cleanup, along with ftbench tools.

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storage/myisam/mi_delete_table.c
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int mi_delete_table(const char *name)
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{
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  char from[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_delete_table");
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#ifdef EXTRA_DEBUG
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  check_table_is_closed(name,"delete");
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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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    /*
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      When built with RAID support, we need to determine if this table
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      makes use of the raid feature. If yes, we need to remove all raid
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      chunks. This is done with my_raid_delete(). Unfortunately it is
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      necessary to open the table just to check this. We use
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      'open_for_repair' to be able to open even a crashed table. If even
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      this open fails, we assume no raid configuration for this table
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      and try to remove the normal data file only. This may however
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      leave the raid chunks behind.
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    */
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    if (!(info= mi_open(name, O_RDONLY, HA_OPEN_FOR_REPAIR)))
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      raid_type= 0;
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    else
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    {
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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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  }
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#ifdef EXTRA_DEBUG
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  check_table_is_closed(name,"delete");
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#endif
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#endif /* USE_RAID */
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  fn_format(from,name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
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  if (my_delete_with_symlink(from, MYF(MY_WME)))
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    DBUG_RETURN(my_errno);
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  fn_format(from,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_delete(from, raid_chunks, MYF(MY_WME)) ? my_errno : 0);
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#endif
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  DBUG_RETURN(my_delete_with_symlink(from, MYF(MY_WME)) ? my_errno : 0);
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}