cakephp / phinx

     */

    public function addColumn($columnName, $type = null, $options = [])

    {

        if ($columnName instanceof Column) {

            $action = new AddColumn($this->table, $columnName);

        } else {

            $action = AddColumn::build($this->table, $columnName, $type, $options);

        }

        // Delegate to Adapters to check column type

        if (!$this->getAdapter()->isValidColumnType($action->getColumn())) {

     */

    public function changeColumn($columnName, $newColumnType, array $options = [])

    {

        if ($newColumnType instanceof Column) {

            $action = new ChangeColumn($this->table, $columnName, $newColumnType);

        } else {

            $action = ChangeColumn::build($this->table, $columnName, $newColumnType, $options);

        }

        $this->actions->addAction($action);

        return $this;