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

ErrorCodes::BAD_ARGUMENTS);
        }
        if (filelog_settings->poll_directory_watch_events_backoff_factor.changed
            && !filelog_settings->poll_directory_watch_events_backoff_factor.value)
            throw Exception("poll_directory_watch_events_backoff_factor can not be 0", ErrorCodes::BAD_ARGUMENTS);
        if (args_count != 2)
            throw Exception(
                "Arguments size of StorageFileLog should be 2, path and format name", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
        auto path_ast = evaluateConstantExpressionAsLiteral(engine_args[0], args.getContext());
        auto format_ast = evaluateConstantExpressionAsLiteral(engine_args[1], args.getContext());
        auto path = path_ast->as<ASTLiteral &>().value.safeGet<String>();
        auto format = format_ast->as<ASTLiteral &>().value.safeGet<String>();
        return StorageFileLog::create(
            args.table_id,
            args.getContext(),
            args.columns,
            path,
            format,
            std::move(filelog_settings),
            args.comment,
            args.attach);
    };
    factory.registerStorage(
        "FileLog",
        creator_fn,
        StorageFactory::StorageFeatures{
            .supports_settings = true,
        });
}
bool StorageFileLog::updateFileInfos()