jayzhan211 commented on PR #14532:
URL: https://github.com/apache/datafusion/pull/14532#issuecomment-2655163076
> > It is because of this, I think we now only coerce to list if the flag is
set
>
> Are you saying that the function should look something like this?
>
> ```rust
> fn array(
> array_type: &DataType,
> array_coercion: Option<&ListCoercion>,
> ) -> Option<DataType> {
> match (array_type, array_coercion) {
> (
> DataType::FixedSizeList(field, _),
> Some(ListCoercion::FixedSizedListToList),
> ) => Some(DataType::List(Arc::clone(field))),
> (
> DataType::List(_)
> | DataType::LargeList(_)
> | DataType::FixedSizeList(_, _),
> _,
> ) => Some(array_type.clone()),
> _ => None,
> }
> }
> ```
>
> Doing that causes some tests in `array.slt` to fail and I'm not really
sure why. It also doesn't match the previous behavior.
It might because of `array_coercion` is incorrect 🤔
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