Method storeFeatures_

src/openms/source/FORMAT/OMSFileStore.cpp:1295–1350

  void OMSFileStore::storeFeatures_(const FeatureMap& features)
  {
    if (features.empty()) return;

    // create table(s) for BaseFeature parent class:
    // any meta infos on features?
    bool any_metainfo = anyFeaturePredicate_(features, [](const Feature& feature) {
      return !feature.isMetaEmpty();
    });
    // any ID observations on features?
    bool any_idmatches = anyFeaturePredicate_(features, [](const Feature& feature) {
      return !feature.getIDMatches().empty();
    });
    createTableBaseFeature_(any_metainfo, any_idmatches);

    createTable_("FEAT_Feature",
                 "feature_id INTEGER NOT NULL, "                        \
                 "rt_quality REAL, "                                    \
                 "mz_quality REAL, "                                    \
                 "FOREIGN KEY (feature_id) REFERENCES FEAT_BaseFeature (id)");
    auto query = make_unique<SQLite::Statement>(*db_,
                                                "INSERT INTO FEAT_Feature VALUES (" \
                                                ":feature_id, "         \
                                                ":rt_quality, "         \
                                                ":mz_quality)");
    prepared_queries_.emplace("FEAT_Feature", std::move(query));

    // any convex hulls on features?
    if (anyFeaturePredicate_(features, [](const Feature& feature) {
      return !feature.getConvexHulls().empty();
    }))
    {
      createTable_("FEAT_ConvexHull",
                   "feature_id INTEGER NOT NULL, "                      \
                   "hull_index INTEGER NOT NULL CHECK (hull_index >= 0), " \
                   "point_index INTEGER NOT NULL CHECK (point_index >= 0), " \
                   "point_x REAL, "                                     \
                   "point_y REAL, "                                     \
                   "FOREIGN KEY (feature_id) REFERENCES FEAT_BaseFeature (id)");
      auto query2 = make_unique<SQLite::Statement>(*db_, "INSERT INTO FEAT_ConvexHull VALUES (" \
                                                   ":feature_id, "      \
                                                   ":hull_index, "      \
                                                   ":point_index, "     \
                                                   ":point_x, "         \
                                                   ":point_y)");
      prepared_queries_.emplace("FEAT_ConvexHull", std::move(query2));
    }

    // features and their subordinates are stored in DFS-like order:
    int feature_id = 0;
    for (const Feature& feat : features)
    {
      storeFeatureAndSubordinates_(feat, feature_id, -1);
      nextProgress();
    }
  }