alamb commented on code in PR #1517:
URL: https://github.com/apache/arrow-rs/pull/1517#discussion_r844220204
##########
parquet/src/arrow/array_reader.rs:
##########
@@ -2268,4 +2272,67 @@ mod tests {
&PrimitiveArray::<ArrowInt32>::from(vec![Some(3), Some(4)])
);
}
+
+ #[test]
+ fn test_nested_lists() {
Review Comment:
I tested running this test without the rest of the code change in this PR
and I got:
```
---- arrow::array_reader::tests::test_nested_lists stdout ----
thread 'arrow::array_reader::tests::test_nested_lists' panicked at 'called
`Option::unwrap()` on a `None` value',
parquet/src/arrow/array_reader/builder.rs:327:14
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
```
##########
parquet/src/arrow/array_reader/builder.rs:
##########
@@ -321,70 +323,71 @@ impl<'a> TypeVisitor<Option<Box<dyn ArrayReader>>, &'a
ArrayReaderBuilderContext
_ => (),
}
- let item_reader = self
- .dispatch(item_type.clone(), &new_context)
- .unwrap()
- .unwrap();
Review Comment:
👍 I found using a whitespace blind diff made the changes easier to
understand: https://github.com/apache/arrow-rs/pull/1517/files?w=1
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