/**
* change column
*
* @param string $tableName The table name
* @param string $columnName The column name
* @param string $type The type generic of the column
* @param array $options The options definition of the column
*
* @return boolean
*/
public function changeColumn($tableName, $columnName, $type, $options = array())
{
return $this->_adapter->changeColumn($tableName, $columnName, $type, $options);
}