/**
* Registers a custom DQL function that produces a date/time value.
* Such a function can then be used in any DQL statement in any place where date/time
* functions are allowed.
*
* DQL function names are case-insensitive.
*
* @param string $name
* @param string $className
*
* @return void
*
* @throws ORMException
*/
public function addCustomDatetimeFunction($name, $className)
{
if (Query\Parser::isInternalFunction($name)) {
throw ORMException::overwriteInternalDQLFunctionNotAllowed($name);
}
$this->_attributes['customDatetimeFunctions'][strtolower($name)] = $className;
}
