alamb commented on code in PR #13756:
URL: https://github.com/apache/datafusion/pull/13756#discussion_r1888917988
##########
datafusion/expr/src/type_coercion/functions.rs:
##########
@@ -414,7 +415,16 @@ fn get_valid_types(
_ => Ok(vec![vec![]]),
}
}
+
fn array(array_type: &DataType) -> Option<DataType> {
+ match array_type {
+ DataType::List(_) | DataType::LargeList(_) =>
Some(array_type.clone()),
+ DataType::FixedSizeList(field, _) =>
Some(DataType::List(Arc::clone(field))),
Review Comment:
```suggestion
// Note array functions can often change the number of elements
// so convert from FixedSize --> variable
DataType::FixedSizeList(field, _) =>
Some(DataType::List(Arc::clone(field))),
```
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