haohuaijin commented on PR #9595:
URL:
https://github.com/apache/arrow-datafusion/pull/9595#issuecomment-2005925650
> @haohuaijin I see that `Option<OwnedTableRefence>` and `Field` are tuples
in many places, is there any reason not to have DFField wrapping these two
values?
There is no reason not to do this, but we should change the DFField type,
like below, because we return &, not the actual value.
```rust
struct DFField<'a> {
qualifier: Option<&'a OwnedTableReference>,
field: &'a Field,
}
```
or
```rust
type DFField = (Option<&'a OwnedTableReference>, &'a Field);
```
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