jayzhan211 commented on issue #13819:
URL: https://github.com/apache/datafusion/issues/13819#issuecomment-2550030569
If we eagerly convert a fixed-size list into a standard list, we can avoid
handling fixed-size lists in array functions.
While this approach isn't entirely straightforward, it aligns with the
intended result:
```rust
query T
select arrow_typeof(arrow_cast([1,2,3], 'FixedSizeList(3, Int64)'));
----
FixedSizeList(Field { name: "item", data_type: Int64, nullable: true,
dict_id: 0, dict_is_ordered: false, metadata: {} }, 3)
// make_array() coerce fixed size list to list
query T
select arrow_typeof(make_array(arrow_cast([1,2,3], 'FixedSizeList(3,
Int64)')));
----
List(Field { name: "item", data_type: List(Field { name: "item", data_type:
Int64, nullable: true, dict_id: 0, dict_is_ordered: false, metadata: {} }),
nullable: true, dict_id: 0, dict_is_ordered: false, metadata: {} })
```
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