gabotechs commented on code in PR #20416:
URL: https://github.com/apache/datafusion/pull/20416#discussion_r2851394952
##########
datafusion/physical-expr/src/expressions/dynamic_filters.rs:
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@@ -327,6 +468,14 @@ impl DynamicFilterPhysicalExpr {
Arc::strong_count(self) > 1 || Arc::strong_count(&self.inner) > 1
}
+ /// Returns a unique identifier for the inner shared state.
+ ///
+ /// Useful for checking if two [`Arc<PhysicalExpr>`] with the same
+ /// underlying [`DynamicFilterPhysicalExpr`] are the same.
+ pub fn inner_id(&self) -> u64 {
+ Arc::as_ptr(&self.inner) as *const () as u64
Review Comment:
🤔 I see that the `std::process::id()` thing was already there before...
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