adriangb commented on PR #14362:
URL: https://github.com/apache/datafusion/pull/14362#issuecomment-2622449713
I don't know if there's any other "known" metadata, but I feel like it would
be good to have an extension trait along the lines of:
```rust
/// Extension of [`Field`] to ma
adriangb opened a new pull request, #14362:
URL: https://github.com/apache/datafusion/pull/14362
Closes #14057
Closes #13975
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