public function fetchByAlias($strTable, $strAlias, $varValue)
	{
		if (isset($this->arrAliases[$strTable][$strAlias][$varValue]))
		{
			$strPk = $this->arrAliases[$strTable][$strAlias][$varValue];

			if (isset($this->arrRegistry[$strTable][$strPk]))
			{
				return $this->arrRegistry[$strTable][$strPk];
			}
		}

		return null;
	}