Method dump

src/Storages/MergeTree/MergeTreeReadTask.cpp:27–39

}

String MergeTreeReadTaskColumns::dump() const
{
    WriteBufferFromOwnString s;
    for (size_t i = 0; i < pre_columns.size(); ++i)
        s << "STEP " << i << ":\n" << pre_columns[i].toString() << "\n";

    s << "MAIN:\n" << columns.toString() << "\n";

    for (size_t i = 0; i < patch_columns.size(); ++i)
        s << "PATCH " << i << ":\n" << patch_columns[i].toString() << "\n";

    return s.str();
}

Names MergeTreeReadTaskColumns::getAllColumnNames() const
{