private async Task <CommandWithDataReader> ExecuteReaderAsync(DbCommand command, CommandBehavior commandBehavior, CancellationToken token)
{
DbDataReader reader;
try {
reader = await driver.ExecuteReaderAsync(session, command, commandBehavior, token).ConfigureAwait(false);
}
catch {
await command.DisposeAsync().ConfigureAwait(false);
throw;
}
return(new CommandWithDataReader(command, reader));
}