Function SetPairs

catboost/libs/data/loader.cpp:179–193

    }

    void SetPairs(const TPathWithScheme& pairsPath, TDatasetSubset loadSubset, IDatasetVisitor* visitor) {
        DumpMemUsage("After data read");
        if (pairsPath.Inited()) {
            auto pairsDataLoader = GetProcessor<IPairsDataLoader>(
                pairsPath,
                TPairsDataLoaderArgs{pairsPath, loadSubset}
            );
            if (pairsDataLoader->NeedGroupIdToIdxMap()) {
                auto maybeGroupIds = visitor->GetGroupIds();
                CB_ENSURE(maybeGroupIds, "Cannot load pairs data with group ids for a dataset without groups");
                pairsDataLoader->SetGroupIdToIdxMap(*maybeGroupIds);
            }
            pairsDataLoader->Do(visitor);
        }
    }

    void SetGraph(const TPathWithScheme& graphPath, TDatasetSubset loadSubset, IDatasetVisitor* visitor) {
        DumpMemUsage("Before data read graphPath");