C++ (Cpp) _ft_make_key примеры использования

Пример #1

Файл: ft_update.c Проект: isleon/Jaxer

int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf,
                  const byte *oldrec, const byte *newrec, my_off_t pos)
{
  int error= -1;
  FT_WORD *oldlist,*newlist, *old_word, *new_word;
  CHARSET_INFO *cs=info->s->keyinfo[keynr].seg->charset;
  uint key_length;
  int cmp, cmp2;
  DBUG_ENTER("_mi_ft_update");

  if (!(old_word=oldlist=_mi_ft_parserecord(info, keynr, oldrec)))
    goto err0;
  if (!(new_word=newlist=_mi_ft_parserecord(info, keynr, newrec)))
    goto err1;

  error=0;
  while(old_word->pos && new_word->pos)
  {
    cmp= mi_compare_text(cs, (uchar*) old_word->pos,old_word->len,
                             (uchar*) new_word->pos,new_word->len,0,0);
    cmp2= cmp ? 0 : (fabs(old_word->weight - new_word->weight) > 1.e-5);

    if (cmp < 0 || cmp2)
    {
      key_length=_ft_make_key(info,keynr,keybuf,old_word,pos);
      if ((error=_mi_ck_delete(info,keynr,(uchar*) keybuf,key_length)))
        goto err2;
    }
    if (cmp > 0 || cmp2)
    {
      key_length=_ft_make_key(info,keynr,keybuf,new_word,pos);
      if ((error=_mi_ck_write(info,keynr,(uchar*) keybuf,key_length)))
        goto err2;
    }
    if (cmp<=0) old_word++;
    if (cmp>=0) new_word++;
 }
 if (old_word->pos)
   error=_mi_ft_erase(info,keynr,keybuf,old_word,pos);
 else if (new_word->pos)
   error=_mi_ft_store(info,keynr,keybuf,new_word,pos);

err2:
    my_free((char*) newlist,MYF(0));
err1:
    my_free((char*) oldlist,MYF(0));
err0:
  DBUG_RETURN(error);
}

Пример #2

Файл: ft_update.c Проект: Baoxiyi-Github/Mysql

int _mi_ft_update(MI_INFO *info, uint keynr, uchar *keybuf,
                  const uchar *oldrec, const uchar *newrec, my_off_t pos)
{
  int error= -1;
  FT_WORD *oldlist,*newlist, *old_word, *new_word;
  const CHARSET_INFO *cs= info->s->keyinfo[keynr].seg->charset;
  uint key_length;
  int cmp, cmp2;
  DBUG_ENTER("_mi_ft_update");

  if (!(old_word=oldlist=_mi_ft_parserecord(info, keynr, oldrec,
                                            &info->ft_memroot)) ||
      !(new_word=newlist=_mi_ft_parserecord(info, keynr, newrec,
                                            &info->ft_memroot)))
    goto err;

  error=0;
  while(old_word->pos && new_word->pos)
  {
    cmp= ha_compare_text(cs, (uchar*) old_word->pos,old_word->len,
                             (uchar*) new_word->pos,new_word->len,0,0);
    cmp2= cmp ? 0 : (fabs(old_word->weight - new_word->weight) > 1.e-5);

    if (cmp < 0 || cmp2)
    {
      key_length=_ft_make_key(info,keynr,keybuf,old_word,pos);
      if ((error=_mi_ck_delete(info,keynr,(uchar*) keybuf,key_length)))
        goto err;
    }
    if (cmp > 0 || cmp2)
    {
      key_length=_ft_make_key(info,keynr,keybuf,new_word,pos);
      if ((error=_mi_ck_write(info,keynr,(uchar*) keybuf,key_length)))
        goto err;
    }
    if (cmp<=0) old_word++;
    if (cmp>=0) new_word++;
 }
 if (old_word->pos)
   error=_mi_ft_erase(info,keynr,keybuf,old_word,pos);
 else if (new_word->pos)
   error=_mi_ft_store(info,keynr,keybuf,new_word,pos);

err:
  free_root(&info->ft_memroot, MYF(MY_MARK_BLOCKS_FREE));
  DBUG_RETURN(error);
}

Пример #3

Файл: ft_update.c Проект: Abner-Sun/linux_mysql5.1_mini_pathChange

static int _mi_ft_erase(MI_INFO *info, uint keynr, uchar *keybuf,
			FT_WORD *wlist, my_off_t filepos)
{
  uint key_length, err=0;
  DBUG_ENTER("_mi_ft_erase");

  for (; wlist->pos; wlist++)
  {
    key_length=_ft_make_key(info,keynr,keybuf,wlist,filepos);
    if (_mi_ck_delete(info,keynr,(uchar*) keybuf,key_length))
      err=1;
   }
   DBUG_RETURN(err);
}

Пример #4

Файл: ft_update.c Проект: Abner-Sun/linux_mysql5.1_mini_pathChange

static int _mi_ft_store(MI_INFO *info, uint keynr, uchar *keybuf,
			FT_WORD *wlist, my_off_t filepos)
{
  uint key_length;
  DBUG_ENTER("_mi_ft_store");

  for (; wlist->pos; wlist++)
  {
    key_length=_ft_make_key(info,keynr,keybuf,wlist,filepos);
    if (_mi_ck_write(info,keynr,(uchar*) keybuf,key_length))
      DBUG_RETURN(1);
   }
   DBUG_RETURN(0);
}