xavlee commented on code in PR #24698:
URL: https://github.com/apache/datafusion/pull/24698#discussion_r4402297546
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datafusion/physical-expr/src/equivalence/properties/mod.rs:
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@@ -348,6 +366,13 @@ impl EquivalenceProperties {
self.oeq_cache.clear();
}
+ /// Clears grouping information invalidated by an operation that changes
Review Comment:
Thanks @jayzhan211. Assuming we have no existing operators that would change
ordering but somehow maintain groupings, the conservative route makes sense to
me.
I added this as a follow-up PR here:
https://github.com/apache/datafusion/pull/26852
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