rtpsw commented on code in PR #13880:
URL: https://github.com/apache/arrow/pull/13880#discussion_r954275317


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cpp/src/arrow/compute/exec/asof_join_node.cc:
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@@ -482,20 +706,22 @@ class CompositeReferenceTable {
 
 class AsofJoinNode : public ExecNode {
   // Advances the RHS as far as possible to be up to date for the current LHS 
timestamp
-  bool UpdateRhs() {
+  Result<bool> UpdateRhs() {

Review Comment:
   This method can fail if `AdvanceAndMemoize` fails, which could happen if the 
on-key values are unordered.



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