Method generateProbeInput

bolt/exec/tests/JoinFuzzer.cpp:249–268

  // keys and use these as build keys.
  // TODO Add a few random rows as well.
  std::vector<RowVectorPtr> input;
  for (const auto& probe : probeInput) {
    auto numRows = 1 + probe->size() / 10;
    auto build = BaseVector::create<RowVector>(rowType, numRows, probe->pool());

    // Pick probe side rows to copy.
    std::vector<vector_size_t> rowNumbers(numRows);
    for (auto i = 0; i < numRows; ++i) {
      rowNumbers[i] = randInt(0, probe->size() - 1);
    }

    SelectivityVector rows(numRows);
    for (auto i = 0; i < probeKeys.size(); ++i) {
      build->childAt(i)->resize(numRows);
      build->childAt(i)->copy(
          probe->childAt(i).get(), rows, rowNumbers.data(), false);
    }

    for (auto i = 0; i < numPayload; ++i) {
      auto column = i + probeKeys.size();
      build->childAt(column) =
          vectorFuzzer_.fuzz(rowType->childAt(column), numRows);
    }