Michael Smith has posted comments on this change. ( http://gerrit.cloudera.org:8080/22094 )
Change subject: IMPALA-13533: Calcite CTE backend ...................................................................... Patch Set 28: (1 comment) http://gerrit.cloudera.org:8080/#/c/22094/25/be/src/runtime/local-exchanger.cc File be/src/runtime/local-exchanger.cc: http://gerrit.cloudera.org:8080/#/c/22094/25/be/src/runtime/local-exchanger.cc@26 PS25, Line 26: consumer_count_ > Ah, if the consumer is cancelled or halted before the producer, which may b I was able to trigger a failure of https://gerrit.cloudera.org/c/22094/28/be/src/runtime/local-exchanger.h#81 by moving "ExecDebugAction(TExecNodePhase::GETNEXT, state)" to the loop in CTEProducerNode::Open and running set mt_dop=2; set batch_size=1; set debug_action=3:GETNEXT:DELAY; with a as (select s_suppkey from tpch.supplier where s_nationkey > 1), b as (select l_suppkey from tpch.lineitem where l_quantity > 2.0) select distinct(k) from ( select s_suppkey as k from a union all select l_suppkey as k from b limit 1 union all select s_suppkey as k from a union all select l_suppkey as k from b) order by k limit 5; It was taking awhile, so I interrupted the client and that caused the coordinator to crash on that DCHECK. Might be able to refine this a bit. -- To view, visit http://gerrit.cloudera.org:8080/22094 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I48f16d495d4b37be97e6a913f0eb5b94d70e199a Gerrit-Change-Number: 22094 Gerrit-PatchSet: 28 Gerrit-Owner: Michael Smith <[email protected]> Gerrit-Reviewer: Csaba Ringhofer <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]> Gerrit-Reviewer: Joe McDonnell <[email protected]> Gerrit-Reviewer: Michael Smith <[email protected]> Gerrit-Reviewer: Steve Carlin <[email protected]> Gerrit-Comment-Date: Mon, 29 Dec 2025 21:50:14 +0000 Gerrit-HasComments: Yes
