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Viewing changes to storage/heap/hp_rrnd.c

  • Committer: Brian Aker
  • Date: 2008-12-19 07:02:38 UTC
  • Revision ID: brian@tangent.org-20081219070238-569uxp3vsr6r37v1
Updated/fix to foreign key test.

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Lines of Context:
storage/heap/hp_rrnd.c
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/* Read a record from a random position */
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#include "heap_priv.h"
 
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#include "heapdef.h"
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/*
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           Returns one of following values:
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  if (!(info->current_ptr= pos))
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  {
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    info->update= 0;
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    return(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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  if (get_chunk_status(&share->recordspace, info->current_ptr) != CHUNK_STATUS_ACTIVE)
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  {
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    /* treat deleted and linked chunks as deleted */
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    info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND;
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    return(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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  hp_extract_record(share, record, info->current_ptr);
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  if (pos >= share->used_chunk_count+share->deleted_chunk_count)
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  {
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    info->update= 0;
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    return(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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        /* Find record number pos */
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  if (!info->current_ptr[share->reclength])
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  {
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    info->update= HA_STATE_PREV_FOUND | HA_STATE_NEXT_FOUND;
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    return(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);