Riza Suminto has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21955 )

Change subject: IMPALA-13465: Trace TupleId further to reduce Agg cardinality
......................................................................


Patch Set 16:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/21955/15/fe/src/main/java/org/apache/impala/planner/AggregationNode.java
File fe/src/main/java/org/apache/impala/planner/AggregationNode.java:

http://gerrit.cloudera.org:8080/#/c/21955/15/fe/src/main/java/org/apache/impala/planner/AggregationNode.java@324
PS15, Line 324:   Expr exprToFind = expr;
> Returning TupleDescriptor can help solving IMPALA-13086 later because sever
Done


http://gerrit.cloudera.org:8080/#/c/21955/15/fe/src/main/java/org/apache/impala/planner/AggregationNode.java@432
PS15, Line 432:     exprsWithUniqueTupleId.addAll(entry.getValue());
> Turn this into Map<TupleId, PlanNode> to simplify loop below.
Done


http://gerrit.cloudera.org:8080/#/c/21955/15/fe/src/main/java/org/apache/impala/planner/AggregationNode.java@458
PS15, Line 458: pleBasedNumGroups.add(numGroupFromCommonTuple);
              :           }
> If producerCardinality == 0, numGroupFromCommonTuple must be equals to 1.
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I11f59ccc469c24c1800abaad3774c56190306944
Gerrit-Change-Number: 21955
Gerrit-PatchSet: 16
Gerrit-Owner: Riza Suminto <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Yida Wu <[email protected]>
Gerrit-Comment-Date: Tue, 05 Nov 2024 20:11:49 +0000
Gerrit-HasComments: Yes

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