Function VerifyStringAndNumber_Varlen

cpp/src/arrow/acero/tpch_node_test.cc:147–166

Same as above but for variable length columns

// Same as above but for variable length columns
void VerifyStringAndNumber_Varlen(const Datum& strings, const Datum& numbers,
                                  std::string_view prefix, bool verify_padding = true) {
  int64_t length = strings.length();
  const int32_t* offsets =
      reinterpret_cast<const int32_t*>(strings.array()->buffers[1]->data());
  const char* str = reinterpret_cast<const char*>(strings.array()->buffers[2]->data());

  const int32_t* nums = nullptr;
  if (numbers.kind() != Datum::NONE) {
    ASSERT_EQ(length, numbers.length());
    nums = reinterpret_cast<const int32_t*>(numbers.array()->buffers[1]->data());
  }

  for (int64_t i = 0; i < length; i++) {
    int32_t start = offsets[i];
    int32_t str_len = offsets[i + 1] - offsets[i];
    std::string_view view(str + start, str_len);
    VerifyStringAndNumber_Single(view, prefix, i, nums, verify_padding);
  }
}

// Verifies that each row is a V-string, which is defined in the spec to be
// a string of random length between min_length and max_length, that is composed