alamb commented on code in PR #7663:
URL: https://github.com/apache/arrow-rs/pull/7663#discussion_r2145415638


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parquet-variant/src/variant.rs:
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@@ -303,7 +303,7 @@ impl<'m> VariantMetadata<'m> {
 
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub struct VariantObject<'m, 'v> {
-    pub metadata: &'m VariantMetadata<'m>,
+    pub metadata: VariantMetadata<'m>,

Review Comment:
   This is the core difference -- rather than having a reference to a 
`VariantMetadata` Objects and Arrays now have the objects inlined (and the 
objects themselves have references to the underlying `&[u8]`)
   
   Note that VariantMetadata is a pointer and a few `usize` so I think it is 
better to inline them anyways rather than have an extra layer of indirection



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