Method addExtremesToResult

src/Server/GRPCServer.cpp:1633–1649

    }

    void Call::addExtremesToResult(const Block & extremes)
    {
        if (extremes.empty())
            return;

        PODArray<char> memory;
        if (output_compression_method != CompressionMethod::None)
            memory.resize(DBMS_DEFAULT_BUFFER_SIZE); /// Must have enough space for compressed data.
        std::unique_ptr<WriteBuffer> buf = std::make_unique<WriteBufferFromVector<PODArray<char>>>(memory);
        buf = wrapWriteBufferWithCompressionMethod(std::move(buf), output_compression_method, output_compression_level);
        auto format = query_context->getOutputFormat(output_format, *buf, extremes);
        format->write(materializeBlock(extremes));
        format->finalize();
        buf->finalize();

        result.mutable_extremes()->assign(memory.data(), memory.size());
    }

    void Call::addProfileInfoToResult(const ProfileInfo & info)
    {