Exemple #1
0
uint _mi_ft_convert_to_ft2(MI_INFO *info, uint keynr, uchar *key)
{
  my_off_t root;
  DYNAMIC_ARRAY *da=info->ft1_to_ft2;
  MI_KEYDEF *keyinfo=&info->s->ft2_keyinfo;
  uchar *key_ptr= (uchar*) dynamic_array_ptr(da, 0), *end;
  uint length, key_length;
  DBUG_ENTER("_mi_ft_convert_to_ft2");

  /* we'll generate one pageful at once, and insert the rest one-by-one */
  /* calculating the length of this page ...*/
  length=(keyinfo->block_length-2) / keyinfo->keylength;
  set_if_smaller(length, da->elements);
  length=length * keyinfo->keylength;

  get_key_full_length_rdonly(key_length, key);
  while (_mi_ck_delete(info, keynr, key, key_length) == 0)
  {
    /*
      nothing to do here.
      _mi_ck_delete() will populate info->ft1_to_ft2 with deleted keys
     */
  }

  /* creating pageful of keys */
  mi_putint(info->buff,length+2,0);
  memcpy(info->buff+2, key_ptr, length);
  info->buff_used=info->page_changed=1;           /* info->buff is used */
  if ((root= _mi_new(info,keyinfo,DFLT_INIT_HITS)) == HA_OFFSET_ERROR ||
      _mi_write_keypage(info,keyinfo,root,DFLT_INIT_HITS,info->buff))
    DBUG_RETURN(-1);

  /* inserting the rest of key values */
  end= (uchar*) dynamic_array_ptr(da, da->elements);
  for (key_ptr+=length; key_ptr < end; key_ptr+=keyinfo->keylength)
    if(_mi_ck_real_write_btree(info, keyinfo, key_ptr, 0, &root, SEARCH_SAME))
      DBUG_RETURN(-1);

  /* now, writing the word key entry */
  ft_intXstore(key+key_length, - (int) da->elements);
  _mi_dpointer(info, key+key_length+HA_FT_WLEN, root);

  DBUG_RETURN(_mi_ck_real_write_btree(info,
                                     info->s->keyinfo+keynr,
                                     key, 0,
                                     &info->s->state.key_root[keynr],
                                     SEARCH_SAME));
}
Exemple #2
0
void _ma_unpin_all_pages(MARIA_HA *info, LSN undo_lsn)
{
  MARIA_PINNED_PAGE *page_link= ((MARIA_PINNED_PAGE*)
                                 dynamic_array_ptr(&info->pinned_pages, 0));
  MARIA_PINNED_PAGE *pinned_page= page_link + info->pinned_pages.elements;
  DBUG_ENTER("_ma_unpin_all_pages");
  DBUG_PRINT("info", ("undo_lsn: %lu", (ulong) undo_lsn));

  if (!info->s->now_transactional)
    DBUG_ASSERT(undo_lsn == LSN_IMPOSSIBLE || maria_in_recovery);

  while (pinned_page-- != page_link)
  {
    /*
      Note this assert fails if we got a disk error or the record file
      is corrupted, which means we should have this enabled only in debug
      builds.
    */
#ifdef EXTRA_DEBUG
    DBUG_ASSERT((!pinned_page->changed ||
                 undo_lsn != LSN_IMPOSSIBLE || !info->s->now_transactional) ||
                (info->s->state.changed & STATE_CRASHED_FLAGS));
#endif
    pagecache_unlock_by_link(info->s->pagecache, pinned_page->link,
                             pinned_page->unlock, PAGECACHE_UNPIN,
                             info->trn->rec_lsn, undo_lsn,
                             pinned_page->changed, FALSE);
  }

  info->pinned_pages.elements= 0;
  DBUG_VOID_RETURN;
}