tasks[] = [
'arguments' => [],
'function' => 'ensureInnoDbAvailable',
];
}
/**
* {@inheritdoc}
*/
public function name() {
return t('MySQL, MariaDB, Percona Server, or equivalent');
}
/**
* {@inheritdoc}
*/
public function minimumVersion() {
return '5.5.3';
}
/**
* {@inheritdoc}
*/
protected function connect() {
try {
// This doesn't actually test the connection.
db_set_active();
// Now actually do a check.
try {
Database::getConnection();
}
catch (\Exception $e) {
// Detect utf8mb4 incompability.
if ($e->getCode() == Connection::UNSUPPORTED_CHARSET || ($e->getCode() == Connection::SQLSTATE_SYNTAX_ERROR && $e->errorInfo[1] == Connection::UNKNOWN_CHARSET)) {
$this->fail(t('Your MySQL server and PHP MySQL driver must support utf8mb4 character encoding. Make sure to use a database system that supports this (such as MySQL/MariaDB/Percona 5.5.3 and up), and that the utf8mb4 character set is compiled in. See the MySQL documentation for more information.', [':documentation' => 'https://dev.mysql.com/doc/refman/5.0/en/cannot-initialize-character-set.html']));
$info = Database::getConnectionInfo();
$info_copy = $info;
// Set a flag to fall back to utf8. Note: this flag should only be
// used here and is for internal use only.
$info_copy['default']['_dsn_utf8_fallback'] = TRUE;
// In order to change the Database::$databaseInfo array, we need to
// remove the active connection, then re-add it with the new info.
Database::removeConnection('default');
Database::addConnectionInfo('default', 'default', $info_copy['default']);
// Connect with the new database info, using the utf8 character set so
// that we can run the checkEngineVersion test.
Database::getConnection();
// Revert to the old settings.
Database::removeConnection('default');
Database::addConnectionInfo('default', 'default', $info['default']);
}
else {
// Rethrow the exception.
throw $e;
}
}
$this->pass('Drupal can CONNECT to the database ok.');
}
catch (\Exception $e) {
// Attempt to create the database if it is not found.
if ($e->getCode() == Connection::DATABASE_NOT_FOUND) {
// Remove the database string from connection info.
$connection_info = Database::getConnectionInfo();
$database = $connection_info['default']['database'];
unset($connection_info['default']['database']);
// In order to change the Database::$databaseInfo array, need to remove
// the active connection, then re-add it with the new info.
Database::removeConnection('default');
Database::addConnectionInfo('default', 'default', $connection_info['default']);
try {
// Now, attempt the connection again; if it's successful, attempt to
// create the database.
Database::getConnection()->createDatabase($database);
Database::closeConnection();
// Now, restore the database config.
Database::removeConnection('default');
$connection_info['default']['database'] = $database;
Database::addConnectionInfo('default', 'default', $connection_info['default']);
// Check the database connection.
Database::getConnection();
$this->pass('Drupal can CONNECT to the database ok.');
}
catch (DatabaseNotFoundException $e) {
// Still no dice; probably a permission issue. Raise the error to the
// installer.
$this->fail(t('Database %database not found. The server reports the following message when attempting to create the database: %error.', ['%database' => $database, '%error' => $e->getMessage()]));
}
}
else {
// Database connection failed for some other reason than the database
// not existing.
$this->fail(t('Failed to connect to your database server. The server reports the following message: %error.- Is the database server running?
- Does the database exist or does the database user have sufficient privileges to create the database?
- Have you entered the correct database name?
- Have you entered the correct username and password?
- Have you entered the correct database hostname?
', ['%error' => $e->getMessage()]));
return FALSE;
}
}
return TRUE;
}
/**
* {@inheritdoc}
*/
public function getFormOptions(array $database) {
$form = parent::getFormOptions($database);
if (empty($form['advanced_options']['port']['#default_value'])) {
$form['advanced_options']['port']['#default_value'] = '3306';
}
return $form;
}
/**
* Ensure that InnoDB is available.
*/
public function ensureInnoDbAvailable() {
$engines = Database::getConnection()->query('SHOW ENGINES')->fetchAllKeyed();
if (isset($engines['MyISAM']) && $engines['MyISAM'] == 'DEFAULT' && !isset($engines['InnoDB'])) {
$this->fail(t('The MyISAM storage engine is not supported.'));
}
}
/**
* {@inheritdoc}
*/
protected function checkEngineVersion() {
parent::checkEngineVersion();
// Ensure that the MySQL driver supports utf8mb4 encoding.
$version = Database::getConnection()->clientVersion();
if (FALSE !== strpos($version, 'mysqlnd')) {
// The mysqlnd driver supports utf8mb4 starting at version 5.0.9.
$version = preg_replace('/^\D+([\d.]+).*/', '$1', $version);
if (version_compare($version, self::MYSQLND_MINIMUM_VERSION, '<')) {
$this->fail(t("The MySQLnd driver version %version is less than the minimum required version. Upgrade to MySQLnd version %mysqlnd_minimum_version or up, or alternatively switch mysql drivers to libmysqlclient version %libmysqlclient_minimum_version or up.", ['%version' => $version, '%mysqlnd_minimum_version' => self::MYSQLND_MINIMUM_VERSION, '%libmysqlclient_minimum_version' => self::LIBMYSQLCLIENT_MINIMUM_VERSION]));
}
}
else {
// The libmysqlclient driver supports utf8mb4 starting at version 5.5.3.
if (version_compare($version, self::LIBMYSQLCLIENT_MINIMUM_VERSION, '<')) {
$this->fail(t("The libmysqlclient driver version %version is less than the minimum required version. Upgrade to libmysqlclient version %libmysqlclient_minimum_version or up, or alternatively switch mysql drivers to MySQLnd version %mysqlnd_minimum_version or up.", ['%version' => $version, '%libmysqlclient_minimum_version' => self::LIBMYSQLCLIENT_MINIMUM_VERSION, '%mysqlnd_minimum_version' => self::MYSQLND_MINIMUM_VERSION]));
}
}
}
}