/**
* Adds a column to a database table
*
* @param string $tableName name of the target table
* @param string $columnName name of column to be created
* @param string $type type of table
* Possible values: string, text, integer, time, float, decimal,
* datetime, timestamp, date, boolean, binary
* @param array $options
* @return void
*/
public function addColumn($tableName, $columnName, $type, $options = array())
{
$this->_connection->addColumn($tableName, $columnName, $type, $options);
}
