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Viewing changes to storage/heap/hp_scan.c

  • Committer: Brian Aker
  • Date: 2008-07-18 20:10:26 UTC
  • mfrom: (51.3.29 remove-dbug)
  • Revision ID: brian@tangent.org-20080718201026-tto5golt0xhwqe4a
Merging in Jay's final patch on dbug.

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Lines of Context:
storage/heap/hp_scan.c
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int heap_scan_init(register HP_INFO *info)
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{
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  DBUG_ENTER("heap_scan_init");
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  info->lastinx= -1;
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  info->current_record= (ulong) ~0L;            /* No current record */
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  info->update=0;
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  info->next_block=0;
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  DBUG_RETURN(0);
 
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  return(0);
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}
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int heap_scan(register HP_INFO *info, uchar *record)
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{
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  HP_SHARE *share=info->s;
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  ulong pos;
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  DBUG_ENTER("heap_scan");
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  pos= ++info->current_record;
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  if (pos < info->next_block)
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      if (pos >= info->next_block)
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      {
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        info->update= 0;
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        DBUG_RETURN(my_errno= HA_ERR_END_OF_FILE);
 
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        return(my_errno= HA_ERR_END_OF_FILE);
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      }
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    }
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    hp_find_record(info, pos);
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  }
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  if (!info->current_ptr[share->reclength])
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  {
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    DBUG_PRINT("warning",("Found deleted record"));
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    info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND;
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    DBUG_RETURN(my_errno=HA_ERR_RECORD_DELETED);
 
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    return(my_errno=HA_ERR_RECORD_DELETED);
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  }
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  info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND | HA_STATE_AKTIV;
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  memcpy(record,info->current_ptr,(size_t) share->reclength);
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  info->current_hash_ptr=0;                     /* Can't use read_next */
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  DBUG_RETURN(0);
 
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  return(0);
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} /* heap_scan */