jizezhang commented on issue #17964:
URL: https://github.com/apache/datafusion/issues/17964#issuecomment-3484142804
```
query error
SELECT array(arrow_cast(array(1), 'LargeList(Int64)'))
----
DataFusion error: Internal error: Function 'array' returned value of type
'LargeList(Field { name: "element", data_type: LargeList(Field { data_type:
Int64, nullable: true }), nullable: true })' while the following type was
promised at planning time and expected: 'List(Field { name: "element",
data_type: LargeList(Field { data_type: Int64, nullable: true }), nullable:
true })'.
This issue was likely caused by a bug in DataFusion's code. Please help us
to resolve this by filing a bug report in our issue tracker:
https://github.com/apache/datafusion/issues
```
This would confirm the bug?
Looking over the [PR](https://github.com/apache/datafusion/pull/16936) for
spark array implementation, I did not seem to find comments related to the
handling of `LargeList`. In this case, to fix the bug and align with the
behavior of `make_array`, should the return type be `List` regardless of
whether the inner data type is `LargeList` or not?
Thanks!
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