Function MakeStrings

cpp/src/arrow/util/cache_benchmark.cc:40–50

static constexpr int32_t kLargeValueLength = 1024;

static std::vector<std::string> MakeStrings(int64_t nvalues, int64_t min_length,
                                            int64_t max_length) {
  auto rng = ::arrow::random::RandomArrayGenerator(42);
  auto arr = checked_pointer_cast<StringArray>(rng.String(
      nvalues, static_cast<int32_t>(min_length), static_cast<int32_t>(max_length)));
  std::vector<std::string> vec(nvalues);
  for (int64_t i = 0; i < nvalues; ++i) {
    vec[i] = arr->GetString(i);
  }
  return vec;
}

static std::vector<std::string> MakeStrings(int64_t nvalues, int64_t length) {
  return MakeStrings(nvalues, length, length);