Function generateData

c++/test/TestByteRLEEncoder.cc:44–50

  }

  void generateData(uint64_t numValues, char* data, uint64_t numNulls = 0,
                    char* notNull = nullptr) {
    generateNotNull(numValues, numNulls, notNull);
    for (uint64_t i = 0; i < numValues; ++i) {
      data[i] = static_cast<char>(std::rand() % 256);
    }
  }

  void generateBoolData(uint64_t numValues, char* data, uint64_t numNulls = 0,
                        char* notNull = nullptr) {