/** * 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); }