neilconway opened a new issue, #25950:
URL: https://github.com/apache/datafusion/issues/25950
### Describe the bug
`array_repeat` with a list as its first argument fails with an Arrow error
when the list's element field is non-nullable or has a name other than the
default `item`. The same call on a list with the default element field works.
### To Reproduce
```sql
CREATE TABLE t AS SELECT
make_array(1, 2) AS a,
arrow_cast(make_array(1, 2), 'List(non-null Int64)') AS b,
arrow_cast(make_array(1, 2), 'List(Int64, field: ''element'')') AS c;
SELECT array_repeat(a, 2) FROM t;
-- [[1, 2], [1, 2]]
SELECT array_repeat(b, 2) FROM t;
-- Arrow error: Invalid argument error: ListArray expected data type
List(non-null Int64) got List(Int64) for "item"
SELECT array_repeat(c, 2) FROM t;
-- Arrow error: Invalid argument error: ListArray expected data type
List(Int64, field: 'element') got List(Int64) for "item"
```
`LargeList(non-null Int64)` input fails the same way: `LargeListArray
expected data type LargeList(non-null Int64) got LargeList(Int64) for "item"`.
### Expected behavior
`array_repeat(b, 2)` and `array_repeat(c, 2)` return `[[1, 2], [1, 2]]`,
like `array_repeat(a, 2)`.
### Additional context
Reproduced on `main` at commit 2b1fcae86, in both release and debug builds.
#24347 covered a similar problem in `array_append`, `array_prepend` and
`array_replace*`.
*This bug report was generated by Claude.*
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