```
ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(_path, 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C01GiB 0:01:08 [ 129MiB/s] [                                                                                                                                                                   <=>                                                                                    ]

ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(toLowCardinality(_path), 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C46GiB 0:00:48 [ 175MiB/s] [                                                                                                                                                                                                                                        <=>               ]
```

{
    throw Exception("Method write is not implemented for StorageHive", ErrorCodes::NOT_IMPLEMENTED);
}
NamesAndTypesList StorageHive::getVirtuals() const
{
    return NamesAndTypesList{{"_path", std::make_shared<DataTypeString>()}, {"_file", std::make_shared<DataTypeString>()}};
}
void registerStorageHive(StorageFactory & factory)
{
    factory.registerStorage(
        "Hive",
        [](const StorageFactory::Arguments & args)
        {
            bool have_settings = args.storage_def->settings;
            std::unique_ptr<HiveSettings> hive_settings = std::make_unique<HiveSettings>();
            if (have_settings)
                hive_settings->loadFromQuery(*args.storage_def);
            ASTs & engine_args = args.engine_args;
            if (engine_args.size() != 3)
                throw Exception(