Method GetQueryOptions

be/src/service/query-profile-parsing-tools.cc:693–733

Parses query options into a normalized key/value object.

// Parses query options into a normalized key/value object.
Value QueryProfileToolAccessor::GetQueryOptions(Document::AllocatorType& alloc) const {
  Value obj(rapidjson::kObjectType);
  const Value* summary = GetSummaryPtr();
  if (summary == nullptr) return obj;
  static const vector<const char*> option_keys = {
      "Query Options (set by configuration)",
      "Query Options (set by configuration and planner)"};
  for (const auto* option_key : option_keys) {
    if (!summary->HasMember(option_key) || !(*summary)[option_key].IsString()) continue;
    const Value& options_value = (*summary)[option_key];
    const string_view options(
        options_value.GetString(), options_value.GetStringLength());
    size_t item_start = 0;
    while (item_start < options.size()) {
      const size_t comma = options.find(',', item_start);
      const size_t item_end = comma == string_view::npos ? options.size() : comma;
      string_view option = options.substr(item_start, item_end - item_start);
      item_start = comma == string_view::npos ? options.size() : comma + 1;
      if (option.empty()) continue;

      const size_t eq = option.find('=');
      if (eq == string_view::npos) continue;
      const string_view key = TrimWhiteSpace(option.substr(0, eq));
      const string_view value = TrimWhiteSpace(option.substr(eq + 1));
      if (key.empty()) continue;

      Value key_json(rapidjson::kStringType);
      key_json.SetString(
          key.data(), static_cast<rapidjson::SizeType>(key.size()), alloc);
      if (obj.HasMember(key_json)) {
        obj[key_json].SetString(
            value.data(), static_cast<rapidjson::SizeType>(value.size()), alloc);
      } else {
        obj.AddMember(
            MakeJsonString(key, alloc),
            MakeJsonString(value, alloc), alloc);
      }
    }
  }
  return obj;
}

// Returns the list of queried tables from Summary metadata.
Value QueryProfileToolAccessor::GetTablesQueried(Document::AllocatorType& alloc) const {