public function addDefaultValue($name, $table, $column, $value)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ADD CONSTRAINT '
            . $this->db->quoteColumnName($name) . ' DEFAULT ' . $this->db->quoteValue($value) . ' FOR '
            . $this->db->quoteColumnName($column);
    }
public function addDefaultValue($name, $table, $column, $value)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ADD CONSTRAINT '
            . $this->db->quoteColumnName($name) . ' DEFAULT ' . $this->db->quoteValue($value) . ' FOR '
            . $this->db->quoteColumnName($column);
    }
{@inheritdoc}