public function testCreateWithWeirdPdoExceptionCodeDocumentGetCodeReturnValue()
{
$code = 'HY000';
$pdoException = new PDOExceptionStub('Unknow or incorrect', $code);
$newException = RuntimeException::createFromException($pdoException);
$this->assertEquals($code, $newException->getCode());
}
/**
* @param Config $config
* @return \PDO
* @throws UnknownDatabaseException
* @throws RuntimeException
*/
public function __invoke(Config $config)
{
$attempt = 0;
$maxAttempts = $config->getMaximumAttempts();
while (++$attempt <= $maxAttempts) {
try {
$connection = $this->create($config);
$connection->prepare('SET NAMES ?, time_zone = ?')->execute([$config->getCharset(), $config->getTimezone()]);
return $connection;
} catch (\PDOException $exception) {
if (UnknownDatabaseException::isUnknownDatabase($exception)) {
throw UnknownDatabaseException::createFromUnknownDatabase($config->getDatabase(), $exception);
}
if ($maxAttempts > $attempt) {
// more tries left, so we'll log this error
// $template = 'Failed connection to "%s" on attempt %d with error "%s"';
// $dsn = $config->getDsn();
// error_log(sprintf($template, $dsn, $attempt, $exception->getMessage()));
// $logger->error(sprintf($template, $dsn, $attempt, $exception->getMessage()), [
// 'e_message' => $exception->getMessage(),
// 'e_code' => $exception->getCode(),
// 'e_file' => $exception->getFile(),
// 'e_line' => $exception->getLine(),
// 'e_trace' => $exception->getTraceAsString()
// ]);
// sleep with some exponential backoff
$msec = pow(2, $attempt) * 50;
usleep($msec * 1000);
} else {
// ran out of attempts, throw the last error
throw RuntimeException::createFromException($exception);
}
}
}
}
/**
* @param bool $hasCaughtException
* @return bool
*/
protected function doBeginTransaction($hasCaughtException = false)
{
try {
return $this->getConnection()->beginTransaction();
} catch (\PDOException $exception) {
if (RuntimeException::hasServerGoneAway($exception) && !$hasCaughtException) {
$this->reconnect();
return $this->doBeginTransaction(true);
}
throw RuntimeException::createFromException($exception);
}
}