```
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 & format_name,
    const FieldVector & fields,
    const String & namenode_url,
    const String & path,
    UInt64 ts,
    size_t size,
    const NamesAndTypesList & index_names_and_types,
    const std::shared_ptr<HiveSettings> & hive_settings,
    ContextPtr context)
{
    HiveFilePtr hive_file;
    if (format_name == "HiveText")
    {
        hive_file = std::make_shared<HiveTextFile>(fields, namenode_url, path, ts, size, index_names_and_types, hive_settings, context);
    }
    else if (format_name == "ORC")
    {
        hive_file = std::make_shared<HiveOrcFile>(fields, namenode_url, path, ts, size, index_names_and_types, hive_settings, context);
    }
    else if (format_name == "Parquet")
    {
        hive_file = std::make_shared<HiveParquetFile>(fields, namenode_url, path, ts, size, index_names_and_types, hive_settings, context);
    }
    else
    {
        throw Exception("IHiveFile not implemented for format " + format_name, ErrorCodes::NOT_IMPLEMENTED);
    }
    return hive_file;
}
std::vector<HiveFilePtr> StorageHive::collectHiveFilesFromPartition(