Aleksandr Efimov has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24426 )

Change subject: IMPALA-14601: Support HBO for JoinNode cardinality
......................................................................


Patch Set 32:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/24426/32/fe/src/test/java/org/apache/impala/planner/HboKeyStringTest.java
File fe/src/test/java/org/apache/impala/planner/HboKeyStringTest.java:

http://gerrit.cloudera.org:8080/#/c/24426/32/fe/src/test/java/org/apache/impala/planner/HboKeyStringTest.java@943
PS32, Line 943:     AggregationNode q1Final = (AggregationNode) 
q1Nodes.get(FINAL_AGG_ID);
> I can't reproduce the error. Did you rebase the HBO patches onto a special
No special commit: the base was 7a3cb82b49, the same parent PS32 has, with 
IMPALA-15327 PS3 applied on top, and the HBO patches went on top of that. The 
ids move because the planner picks a different plan for my catalog, not because 
of a commit. My cluster has a partial testdata load: functional.alltypessmall 
has no data files and no stats (#Rows=-1). With that catalog the plan has an 
exchange at node 10 in testAggOnMultiLevelJoinOperands and at node 5 in 
testMultiLevelOpIndexUnderInnerJoin, which are the two nodes the casts land on. 
EXPLAIN on the same cluster with a frontend built without IMPALA-15327 and 
without the HBO patches shows the same exchanges, so it's purely my 
environment. Sorry for the noise, the fixed ids are fine.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I70b655ae7027d0d9eb8e9fae9ba2e1b7ad9876b4
Gerrit-Change-Number: 24426
Gerrit-PatchSet: 32
Gerrit-Owner: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Aleksandr Efimov <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Steve Carlin <[email protected]>
Gerrit-Comment-Date: Wed, 09 Sep 2026 15:22:28 +0000
Gerrit-HasComments: Yes

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