Infrastructure/Database/DataMappers/TableMapper.php
protected function addColumnConstraint(ColumnMapper $column, string $constraint, $context = true)
    {
        $column->addConstraint($constraint, $context);
    }
protected function addColumnConstraint(ColumnMapper $column, string $constraint, $context = true)
    {
        $column->addConstraint($constraint, $context);
    }
make protected since ORM does not sniff out every constraint, some must be added manually when table mapper is extended