Function getSortedWindowNames

bolt/functions/CoverageUtil.cpp:353–368

Returns alphabetically sorted list of window functions available in Bolt, excluding companion functions.

/// Returns alphabetically sorted list of window functions available in Bolt,
/// excluding companion functions.
std::vector<std::string> getSortedWindowNames() {
  const auto& functions = exec::windowFunctions();

  std::vector<std::string> names;
  names.reserve(functions.size());
  exec::aggregateFunctions().withRLock([&](const auto& aggregateFunctions) {
    for (const auto& entry : functions) {
      if (!isCompanionFunctionName(entry.first, aggregateFunctions) &&
          aggregateFunctions.count(entry.first) == 0) {
        names.emplace_back(entry.first);
      }
    }
  });
  std::sort(names.begin(), names.end());
  return names;
}

/// Takes a super-set of simple, vector and aggregate function names and prints
/// coverage map showing which of these functions are available in Bolt.