LiaCastaneda commented on issue #25017:
URL: https://github.com/apache/datafusion/issues/25017#issuecomment-5601459873
the roundtrip (SQL -> substrait -> SQL) for this one will not work though
```
SET datafusion.sql_parser.dialect = 'DuckDB'; -- needed just to parse `x
-> expr` lambda syntax at all
WITH test_data AS (
SELECT named_struct(
'label', 'example',
'items', [
named_struct('name', 'first', 'value', 2),
named_struct('name', 'second', 'value', 5)
]
) AS row_col
)
SELECT
row_col.label,
array_transform(row_col.items, item -> get_field(item, 'value') * 10) AS
scaled_values
FROM test_data;
```
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