Copilot commented on code in PR #16203:
URL: https://github.com/apache/datafusion/pull/16203#discussion_r2112167277
##########
datafusion/functions-nested/src/extract.rs:
##########
@@ -225,6 +225,23 @@ where
return Ok(Arc::new(NullArray::new(array.len())));
}
+ if let DataType::Struct(fields) = values.data_type() {
+ let has_null_fields = fields.iter().any(|field| field.data_type() ==
&Null);
+ if has_null_fields {
+ // Instead of trying to extract from malformed struct data and
return appropriate nulls
+ let mut null_array_data = Vec::with_capacity(array.len());
+ for _ in 0..array.len() {
+ null_array_data.push(None::<i32>);
+ }
+
Review Comment:
The variable 'null_array_data' is initialized and populated but never used,
which may lead to confusion. Consider removing this unused code to simplify the
function.
```suggestion
```
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