adriangb commented on code in PR #19599:
URL: https://github.com/apache/datafusion/pull/19599#discussion_r2658477799
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datafusion/common/src/stats.rs:
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@@ -321,6 +321,13 @@ impl Statistics {
}
}
+ /// Returns the memory size in bytes.
+ pub fn heap_size(&self) -> usize {
+ // column_statistics + num_rows + total_byte_size
+ self.column_statistics.capacity() * size_of::<ColumnStatistics>()
Review Comment:
I opened #19615. I think for this PR I would recommend adopting arrow-rs's
`HeapSize` with manual implementations. If we add a macro there later we can
update to use that.
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