alamb commented on code in PR #6160:
URL: https://github.com/apache/arrow-datafusion/pull/6160#discussion_r1183517837
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datafusion/physical-expr/src/equivalence.rs:
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@@ -112,41 +102,61 @@ impl EquivalenceProperties {
}
}
-/// Equivalent Class is a set of Columns that are known to have the same value
in all tuples in a relation
-/// Equivalent Class is generated by equality predicates, typically equijoin
conditions and equality conditions in filters.
+/// `OrderingEquivalenceProperties` keeps track of columns that describe the
Review Comment:
👍
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