--- /dev/null
+<?php
+
+namespace Drupal\Core\Database\Driver\mysql\Install;
+
+use Drupal\Core\Database\Install\Tasks as InstallTasks;
+use Drupal\Core\Database\Database;
+use Drupal\Core\Database\Driver\mysql\Connection;
+use Drupal\Core\Database\DatabaseNotFoundException;
+
+/**
+ * Specifies installation tasks for MySQL and equivalent databases.
+ */
+class Tasks extends InstallTasks {
+
+ /**
+ * Minimum required MySQLnd version.
+ */
+ const MYSQLND_MINIMUM_VERSION = '5.0.9';
+
+ /**
+ * Minimum required libmysqlclient version.
+ */
+ const LIBMYSQLCLIENT_MINIMUM_VERSION = '5.5.3';
+
+ /**
+ * The PDO driver name for MySQL and equivalent databases.
+ *
+ * @var string
+ */
+ protected $pdoDriver = 'mysql';
+
+ /**
+ * Constructs a \Drupal\Core\Database\Driver\mysql\Install\Tasks object.
+ */
+ public function __construct() {
+ $this->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 <a href=":documentation" target="_blank">MySQL documentation</a> 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);
+ }
+ 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.<ul><li>Is the database server running?</li><li>Does the database exist or does the database user have sufficient privileges to create the database?</li><li>Have you entered the correct database name?</li><li>Have you entered the correct username and password?</li><li>Have you entered the correct database hostname?</li></ul>', ['%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]));
+ }
+ }
+ }
+
+}
projects / yaffs-website / blobdiff