zanmato1984 commented on code in PR #46300:
URL: https://github.com/apache/arrow/pull/46300#discussion_r2085181427


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cpp/src/arrow/acero/asof_join_node_test.cc:
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@@ -1770,5 +1771,53 @@ TEST(AsofJoinTest, DestroyNonStartedAsofJoinNode) {
       DeclarationToStatus(std::move(sink)));
 }
 
+// Reproduction of GH-46224: Hang when all left timestamps are greater than 
right
+// timestamps.
+TEST(AsofJoinTest, OneSideTsAllGreaterThanTheOther) {

Review Comment:
   It was costly indeed. For the record: sanitizer time increases from 43.16s 
to 98.33s, valgrind time increases from 58.15s to 162.90s.
   
   I reduced the iteration for sanitizer and valgrind to one in the latest 
commit.



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