tustvold commented on code in PR #3149:
URL: https://github.com/apache/arrow-rs/pull/3149#discussion_r1029202444
##########
arrow-schema/src/field.rs:
##########
@@ -459,6 +459,21 @@ impl Field {
}
}
}
+
+ /// Return size of this instance in bytes.
+ ///
+ /// Includes the size of `Self`.
+ pub fn size(&self) -> usize {
+ std::mem::size_of_val(self) - std::mem::size_of_val(&self.data_type)
+ + self.data_type.size()
+ + self.name.capacity()
+ + (std::mem::size_of::<(String, String)>() *
self.metadata.capacity())
Review Comment:
I'm not sure how accurate this approximation is, but I imagine probably good
enough to a first order
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