Connection::class, 'dsn' => 'mysql:host=localhost:3307;dbname=yii2basic', 'username' => 'root', 'password' => 'chenx221', 'charset' => 'utf8', 'schemaMap' => [ 'mysql' => SamIT\Yii2\MariaDb\Schema::class ] // Schema cache options (for production environment) //'enableSchemaCache' => true, //'schemaCacheDuration' => 60, //'schemaCache' => 'cache', ];