jhorstmann commented on a change in pull request #419:
URL: https://github.com/apache/arrow-rs/pull/419#discussion_r646147652
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File path: arrow/src/compute/kernels/cast.rs
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@@ -1450,7 +1451,8 @@ where
cast_with_options(&dict_array.values(), to_type, cast_options)?;
// Note take requires first casting the indices to u32
- let keys_array: ArrayRef = Arc::new(dict_array.keys_array());
+ let keys_array: ArrayRef =
Review comment:
If primitive arrays were cloneable this would just be
`Arc::new(dict_array.keys().clone())`.
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