Method cancel

src/IO/ReadBuffer.cpp:93–101

}

void ReadBuffer::cancel()
{
    if (std::current_exception())
        tryLogCurrentException(getLogger("ReadBuffer"), "ReadBuffer is canceled by the exception", LogsLevel::debug);
    else
        LOG_DEBUG(getLogger("ReadBuffer"), "ReadBuffer is canceled at {}", StackTrace().toString());

    canceled = true;
}

bool ReadBuffer::next()
{