Method addMutation

src/Interpreters/MergeTreeTransaction.cpp:172–179

}

void MergeTreeTransaction::addMutation(const StoragePtr & table, const String & mutation_id)
{
    checkNotOrdinaryDatabase(table);
    std::lock_guard lock{mutex};
    checkIsNotCancelled();
    storages.insert(table);
    mutations.emplace_back(table, mutation_id);
}

bool MergeTreeTransaction::isReadOnly() const
{