```
touch /tmp/aaa.csv

CREATE TABLE log (A String) ENGINE= FileLog('/tmp/aaa.csv', 'CSV');
DB::Exception: The absolute data path should be inside `user_files_path`(/var/lib/clickhouse/user_files/). (BAD_ARGUMENTS)


CREATE TABLE log (A String) ENGINE= FileLog('/tmp/aaa.csv', 'CSV');
DB::Exception: Metadata files already exist by path: /var/lib/clickhouse/.filelog_storage_metadata/default/log, remove them manually if it is intended. (TABLE_METADATA_ALREADY_EXISTS)
```
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()