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  • Committer: Harrison Fisk
  • Date: 2008-08-05 05:01:04 UTC
  • mto: (261.1.8 drizzle)
  • mto: This revision was merged to the branch mainline in revision 264.
  • Revision ID: harrison@mysql.com-20080805050104-bz1tt53bp1dg996e
Port Ebay/Google memory storage engine variable width columns.  

See: http://code.google.com/p/mysql-heap-dynamic-rows/

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storage/heap/hp_clear.c
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void hp_clear(HP_SHARE *info)
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{
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  if (info->block.levels)
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    VOID(hp_free_level(&info->block,info->block.levels,info->block.root,
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                        (uchar*) 0));
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  info->block.levels=0;
 
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  hp_clear_dataspace(&info->recordspace);
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  hp_clear_keys(info);
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  info->records= info->deleted= 0;
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  info->data_length= 0;
 
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  info->records= 0;
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  info->blength=1;
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  info->changed=0;
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  info->del_link=0;
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  return;
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}
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  int error= 0;
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  HP_SHARE *share= info->s;
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  if (share->data_length || share->index_length)
 
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  if (share->recordspace.total_data_length || share->index_length)
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    error= HA_ERR_CRASHED;
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  else
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    if (share->currently_disabled_keys)
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  return (! share->keys && share->currently_disabled_keys);
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}
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