Method registerDatabase

src/Databases/DatabaseFactory.cpp:128–132

}

void DatabaseFactory::registerDatabase(const std::string & name, CreatorFn creator_fn, EngineFeatures features, Documentation documentation)
{
    if (!database_engines.emplace(name, Creator{std::move(creator_fn), features, std::move(documentation)}).second)
        throw Exception(ErrorCodes::LOGICAL_ERROR, "DatabaseFactory: the database engine name '{}' is not unique", name);
}

DatabaseFactory & DatabaseFactory::instance()
{