Xuanwo commented on code in PR #23830:
URL: https://github.com/apache/datafusion/pull/23830#discussion_r3943221389
##########
datafusion/expr/src/logical_plan/builder.rs:
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@@ -1018,6 +1024,48 @@ impl LogicalPlanBuilder {
self.asof_join_with_constraint(right, on, match_condition,
JoinConstraint::On)
}
+ /// Apply a left-preserving ASOF join using ordinary `ON` and
+ /// `MATCH_CONDITION` expressions.
+ ///
+ /// Equality predicates may be combined with `AND`. This method validates
+ /// and separates their left and right operands before constructing the
+ /// structured ASOF logical plan.
Review Comment:
Updated 💌
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