```
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

{
            writer->finalize();
            writer->flush();
            write_buf->finalize();
        }
        catch (...)
        {
            
            writer.reset();
            throw;
        }
    }
    StorageMetadataPtr metadata_snapshot;
    String table_name_for_log;
    std::unique_ptr<WriteBuffer> write_buf;
    OutputFormatPtr writer;
    int table_fd;
    bool use_table_fd;
    std::string base_path;
    std::string path;
    CompressionMethod compression_method;
    std::string format_name;
    std::optional<FormatSettings> format_settings;
    ContextPtr context;
    int flags;
    std::unique_lock<std::shared_timed_mutex> lock;
    std::mutex cancel_mutex;
    bool cancelled = false;
};
class PartitionedStorageFileSink : public PartitionedSink