```
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 & uri_,
    const StorageID & table_id_,
    const String & format_name_,
    const ColumnsDescription & columns_,
    const ConstraintsDescription & constraints_,
    const String & comment,
    ContextPtr context_,
    const String & compression_method_,
    const bool distributed_processing_,
    ASTPtr partition_by_)
    : IStorage(table_id_)
    , WithContext(context_)
    , uris({uri_})
    , format_name(format_name_)
    , compression_method(compression_method_)
    , distributed_processing(distributed_processing_)
    , partition_by(partition_by_)
{
    context_->getRemoteHostFilter().checkURL(Poco::URI(uri_));
    checkHDFSURL(uri_);
    String path = uri_.substr(uri_.find('/', uri_.find("//") + 2));
    is_path_with_globs = path.find_first_of("*?{") != std::string::npos;
    StorageInMemoryMetadata storage_metadata;
    if (columns_.empty())
    {
        auto columns = getTableStructureFromData(format_name, uri_, compression_method, context_);
        storage_metadata.setColumns(columns);