jorgecarleitao commented on a change in pull request #8561:
URL: https://github.com/apache/arrow/pull/8561#discussion_r517096801
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File path: rust/arrow/src/array/array.rs
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@@ -2398,30 +2311,23 @@ impl<T: ArrowPrimitiveType> Array for
DictionaryArray<T> {
/// Returns the total number of bytes of memory occupied by the buffers
owned by this [DictionaryArray].
fn get_buffer_memory_size(&self) -> usize {
- self.data.get_buffer_memory_size() +
self.values().get_buffer_memory_size()
+ // Since both `keys` and `values` derive (are references from) `data`,
we only account for `data`.
+ self.data.get_array_memory_size()
Review comment:
I think that @vertexclique 's point is that we should still use `buffer`
from `keys` and `values` here, and in the `array_size`, use `size_of` itself. I
think it is a small amount of memory difference, but to keep things consistent,
I should change it.
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