Simply display zero if it's less or equals to 0.
/// Data format can be specified in the INSERT query.
    if (const auto * insert = parsed_query->as<ASTInsertQuery>())
    {
        if (!insert->format.empty())
            current_format = insert->format;
    }
    auto source = global_context->getInputFormat(current_format, buf, sample, insert_format_max_block_size
    Pipe pipe(source
    if (columns_description.hasDefaults())
    {
        pipe.addSimpleTransform([&](const Block & header)
        {
            return std::make_shared<AddingDefaultsTransform>(header, columns_description, *source, global_context
        }
    }
    sendDataFromPipe(std::move(pipe), parsed_query, have_more_data
}
void ClientBase::sendDataFromPipe(Pipe&& pipe, ASTPtr parsed_query, bool have_more_data)
try
{
    QueryPipeline pipeline(std::move(pipe)
    PullingAsyncPipelineExecutor executor(pipeline
    Block block;
    while (executor.pull(block))
    {
        if (!cancelled && QueryInterruptHandler::cancelled())
        {
            cancelQuery(
            executor.cancel(
            return;