Method append

bolt/exec/SortedAggregations.cpp:51–65

  size_t size{0};

  void append(char* row, HashStringAllocator& allocator) {
    ByteOutputStream stream(&allocator);
    if (firstBlock == nullptr) {
      // Allocate first block.
      currentBlock = allocator.newWrite(stream);
      firstBlock = currentBlock.header;
    } else {
      allocator.extendWrite(currentBlock, stream);
    }

    stream.appendOne(reinterpret_cast<uintptr_t>(row));
    currentBlock = allocator.finishWrite(stream, 1024).second;

    ++size;
  }

  void free(HashStringAllocator& allocator) {
    if (firstBlock != nullptr) {