viirya commented on code in PR #8806:
URL: https://github.com/apache/arrow-datafusion/pull/8806#discussion_r1446550444
##########
datafusion/physical-expr/src/equivalence/ordering.rs:
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@@ -29,11 +29,11 @@ use crate::{LexOrdering, PhysicalExpr, PhysicalSortExpr};
/// |a|b|c|d|
/// |1|4|3|1|
/// |2|3|3|2|
-/// |3|1|2|2|
-/// |3|2|1|3|
+/// |3|2|2|2|
+/// |3|1|1|3|
/// ```
///
-/// Here, both `vec![a ASC, b ASC]` and `vec![c DESC, d ASC]` describe the
table
Review Comment:
I don't see `b` is ASC. It is more likely the original intension is to make
it `DESC`. So I made the change.
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