timsaucer commented on issue #16997:
URL: https://github.com/apache/datafusion/issues/16997#issuecomment-3141356314
I do think this is a valid bug that schema is never set, but I hope this
unblocks your immediate problem:
```diff
diff --git a/rust/geodatafusion/src/udf/native/bounding_box/extent.rs
b/rust/geodatafusion/src/udf/native/bounding_box/extent.rs
index 8f73d927..bbdb60a1 100644
--- a/rust/geodatafusion/src/udf/native/bounding_box/extent.rs
+++ b/rust/geodatafusion/src/udf/native/bounding_box/extent.rs
@@ -67,11 +67,11 @@ impl AggregateUDFImpl for Extent {
dbg!(&acc_args.is_distinct);
dbg!(&acc_args.order_bys);
// dbg!(&acc_args.exprs);
- // let field = acc_args.schema.fields[0].clone();
- // HACK: unclear if there's a way to pass down the input field
- let input_type = GeometryType::new(Default::default());
- let field = Arc::new(input_type.to_field("", true));
+ let field = acc_args
+ .exprs[0]
+ .return_field(acc_args.schema)?;
+
Ok(Box::new(ExtentAccumulator::new(field)))
}
}
```
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