```
SELECT
    _file,
    _path
FROM file('exists.csv', 'CSVWithNames')

Query id: 8bff0d32-cad0-4832-907a-be39f13ac49c


0 rows in set. Elapsed: 0.099 sec.

Received exception from server (version 22.7.1):
Code: 49. DB::Exception: Received from localhost:9000. DB::Exception: Invalid number of columns in chunk pushed to OutputPort. Expected 2, found 4
Header: _path LowCardinality(String) ColumnLowCardinality(size = 0, UInt8(size = 0), ColumnUnique(size = 1, String(size = 1))), _file LowCardinality(String) ColumnLowCardinality(size = 0, UInt8(size = 0), ColumnUnique(size = 1, String(size = 1)))
Chunk:  ColumnLowCardinality(size = 7385, UInt8(size = 7385), ColumnUnique(size = 1, String(size = 1))) ColumnLowCardinality(size = 7385, UInt8(size = 7385), ColumnUnique(size = 1, String(size = 1))) ColumnLowCardinality(size = 7385, UInt8(size = 7385), ColumnUnique(size = 2, String(size = 2))) ColumnLowCardinality(size = 7385, UInt8(size = 7385), ColumnUnique(size = 2, String(size = 2)))
. (LOGICAL_ERROR)
```

Version 22.7.1.2484

}
                    while (fs::exists(new_path));
                    paths.push_back(new_path);
                    path = new_path;
                }
                else
                    throw Exception(
                        ErrorCodes::CANNOT_APPEND_TO_FILE,
                        "Cannot append data in format {} to file, because this format doesn't support appends."
                        " You can allow to create a new file "
                        "on each insert by enabling setting engine_file_allow_create_multiple_files",
                        format_name);
            }
        }
        return std::make_shared<StorageFileSink>(
            metadata_snapshot,
            getStorageID().getNameForLogs(),
            std::unique_lock{rwlock, getLockTimeout(context)},
            table_fd,
            use_table_fd,
            base_path,
            path,
            chooseCompressionMethod(path, compression_method),
            format_settings,
            format_name,
            context,
            flags);
    }
}
bool StorageFile::storesDataOnDisk() const