findepi commented on code in PR #17067:
URL: https://github.com/apache/datafusion/pull/17067#discussion_r2261960564
##########
datafusion/ffi/src/udaf/mod.rs:
##########
@@ -384,6 +385,19 @@ pub struct ForeignAggregateUDF {
unsafe impl Send for ForeignAggregateUDF {}
unsafe impl Sync for ForeignAggregateUDF {}
+impl PartialEq for ForeignAggregateUDF {
+ fn eq(&self, other: &Self) -> bool {
+ // FFI_AggregateUDF cannot be compared, so identity equality is the
best we can do.
+ std::ptr::eq(self, other)
+ }
+}
+impl Eq for ForeignAggregateUDF {}
+impl Hash for ForeignAggregateUDF {
+ fn hash<H: Hasher>(&self, state: &mut H) {
+ std::ptr::hash(self, state)
+ }
+}
+
Review Comment:
It definitely makes sense to me, but I am not well-equipped to address that.
Thanks for offering to improve that as a follow-on.
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