andygrove opened a new issue, #8680:
URL: https://github.com/apache/arrow-datafusion/issues/8680
### Is your feature request related to a problem or challenge?
We currently have two mechanisms for serializing compression formats in
datafusion.proto.
`CreateExternalTableNode` uses a string representation:
```protobuf
string file_compression_type = 10;
```
`JsonWriterOptions` uses an enum:
```protobuf
CompressionTypeVariant compression = 1;
```
Here is the definition of `CompressionTypeVariant`:
```protobuf
enum CompressionTypeVariant {
GZIP = 0;
BZIP2 = 1;
XZ = 2;
ZSTD = 3;
UNCOMPRESSED = 4;
}
```
### Describe the solution you'd like
It would be better to standardize on one approach for a more consistent API.
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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