zhuqi-lucas commented on code in PR #19433:
URL: https://github.com/apache/datafusion/pull/19433#discussion_r2676189352
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datafusion/physical-expr-common/src/sort_expr.rs:
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@@ -427,6 +427,21 @@ impl LexOrdering {
true
}
+ /// Checks if `other` is a prefix of this `LexOrdering`.
+ pub fn is_prefix(&self, other: &LexOrdering) -> bool {
Review Comment:
@adriangb I think we can create a follow-up ticket for further
investigation, we can merge this PR first.
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