nevi-me commented on a change in pull request #9329:
URL: https://github.com/apache/arrow/pull/9329#discussion_r574834375
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File path: rust/arrow/src/array/data.rs
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@@ -229,7 +229,7 @@ pub struct ArrayData {
/// The child(ren) of this array. Only non-empty for nested types,
currently
/// `ListArray` and `StructArray`.
- child_data: Vec<ArrayDataRef>,
+ child_data: Vec<ArrayData>,
Review comment:
Would the impact of the change be that the overall size of a nested
`ArrayData` becomes slightly larger; as we're now only using `Arc` on `Buffer`?
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