```
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] [                                                                                                                                                                                                                                        <=>               ]
```

const String & cluster_name_,
    ContextPtr context_,
    const ASTPtr & sharding_key_,
    const String & storage_policy_name_,
    const String & relative_data_path_,
    const DistributedSettings & distributed_settings_,
    bool attach_,
    ClusterPtr owned_cluster_,
    ASTPtr remote_table_function_ptr_)
    : IStorage(id_)
    , WithContext(context_->getGlobalContext())
    , remote_database(remote_database_)
    , remote_table(remote_table_)
    , remote_table_function_ptr(remote_table_function_ptr_)
    , log(&Poco::Logger::get("StorageDistributed (" + id_.table_name + ")"))
    , owned_cluster(std::move(owned_cluster_))
    , cluster_name(getContext()->getMacros()->expand(cluster_name_))
    , has_sharding_key(sharding_key_)
    , relative_data_path(relative_data_path_)
    , distributed_settings(distributed_settings_)
    , rng(randomSeed())
{
    StorageInMemoryMetadata storage_metadata;
    if (columns_.empty())
    {
        StorageID id = StorageID::createEmpty();
        id.table_name = remote_table;
        id.database_name = remote_database;
        storage_metadata.setColumns(getStructureOfRemoteTable(*getCluster(), id, getContext(), remote_table_function_ptr));
    }