Nette\Database\Table\SqlBuilder::addAlias PHP Метод

    public function addAlias($chain, $alias)
    {
        if (isset($chain[0]) && $chain[0] !== '.' && $chain[0] !== ':') {
            $chain = '.' . $chain;
            // unified chain format
        }
        $this->checkUniqueTableName($alias, $chain);
        $this->aliases[$alias] = $chain;
    }

 /**
  * Aliases table. Example ':book:book_tag.tag', 'tg'
  * @param  string
  * @param  string
  * @return self
  */
 public function alias($tableChain, $alias)
 {
     $this->sqlBuilder->addAlias($tableChain, $alias);
     return $this;
 }