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Viewing changes to plugin/heap/hp_rlast.cc

  • Committer: lbieber
  • Date: 2010-09-10 05:19:01 UTC
  • mfrom: (1753.1.1 build)
  • Revision ID: lbieber@orisndriz03-20100910051901-lyq4bh4vdegvzyo4
Merge Brian - clean up Heap code

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Lines of Context:
plugin/heap/hp_rlast.cc
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int heap_rlast(HP_INFO *info, unsigned char *record, int inx)
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{
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  HP_SHARE *share=    info->getShare();
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  HP_KEYDEF *keyinfo= share->keydef + inx;
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  info->lastinx= inx;
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  if (keyinfo->algorithm == HA_KEY_ALG_BTREE)
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  {
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    unsigned char *pos;
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    if ((pos = (unsigned char *)tree_search_edge(&keyinfo->rb_tree,
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                                                 info->parents,
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                                                 &info->last_pos,
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                                                 offsetof(TREE_ELEMENT, right))))
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    {
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      memcpy(&pos, pos + (*keyinfo->get_key_length)(keyinfo, pos),
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             sizeof(unsigned char*));
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      info->current_ptr = pos;
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      hp_extract_record(share, record, pos);
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      info->update = HA_STATE_AKTIV;
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    }
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    else
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    {
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      errno = HA_ERR_END_OF_FILE;
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      return(errno);
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    }
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    return(0);
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  }
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  else
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  {
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    info->current_ptr=0;
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    info->current_hash_ptr=0;