Create a table programmatically with Doctrine1

CreateTable.php

<?php
/**
 * This class has been auto-generated by the Doctrine ORM Framework
 */
class InstallSearchData
{
  protected $connection = NULL;

  public function __construct(Doctrine_Connection $connection)
  {
    $this->connection = $connection;
  }
  public function install()
  {
    $table = array();
    $table['tableName'] = 'search_data';
    $table['fields']    = array(
      'id' =>
      array(
        'type' => 'integer',
        'length' => '8',
        'autoincrement' => '1',
        'primary' => '1',
      ),
      'lang' =>
      array(
        'type' => 'string',
        'length' => '2',
      ),
      'model' =>
      array(
        'type' => 'string',
        'length' => '255',
      ),
      'model_id' =>
      array(
        'type' => 'integer',
        'length' => '8',
      ),
      'content' =>
      array(
        'type' => 'string',
        'length' => '',
      ),
    );
    $table['options'] = array(
      'type' => 'MyISAM',
      'indexes' =>
      array(
        'content' =>
        array(
          'fields' =>
          array(
            0 => 'content',
          ),
          'type' => 'fulltext',
        ),
      ),
      'primary' =>
      array(
        0 => 'id',
      ),
      'collate' => 'utf8_unicode_ci',
      'charset' => 'utf8'
    );
    $this->connection->export->createTable($table['tableName'], $table['fields'], $table['options']);

  }

  public function uninstall()
  {
    $this->connection->export->dropTable('search_data');
  }
}