Function shouldUnpinAfterCommitError

src/sessions.ts:943–959

(commitError: Error)

]);

function shouldUnpinAfterCommitError(commitError: Error) {
  if (commitError instanceof MongoError) {
    if (
      isRetryableWriteError(commitError) ||
      commitError instanceof MongoWriteConcernError ||
      isMaxTimeMSExpiredError(commitError)
    ) {
      if (isUnknownTransactionCommitResult(commitError)) {
        // per txns spec, must unpin session in this case
        return true;
      }
    } else if (commitError.hasErrorLabel(MongoErrorLabel.TransientTransactionError)) {
      return true;
    }
  }
  return false;
}

function shouldAddUnknownTransactionCommitResultLabel(commitError: MongoError) {
  let ok = isRetryableWriteError(commitError);