Invoice::prepareQuery

public function prepareQuery()
{
	$query = Crm\InvoiceTable::query();

	self::registerStageField($query);

	$dayField = new ORM\Fields\ExpressionField(
		'DATE_CREATE_SHORT',
		'DATE(%s)',
		'DATE_INSERT'
	);
	$query->registerRuntimeField($dayField);

	return $query;
}