Michael Smith has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21238 )

Change subject: IMPALA-12964: Implement basic aggregation in the Calcite planner
......................................................................


Patch Set 11:

(7 comments)

http://gerrit.cloudera.org:8080/#/c/21238/11//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/21238/11//COMMIT_MSG@21
PS11, Line 21: 2) Avoid refactoring in the first major iteration of the Calcite 
planner.
I assume this is something you and Joe talked about? I would have suggested 
doing the refactoring as a preceding patch, assuming you have enough clarity on 
what needs to be refactored. The approach below seems fine too, we'll just want 
to do the refactoring eventually anyway.


http://gerrit.cloudera.org:8080/#/c/21238/11//COMMIT_MSG@28
PS11, Line 28: 1) "Having" filter conjuncts are going to be "unassigned 
conjuncts".
I don't see a test case for "having".


http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAggRel.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAggRel.java:

http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAggRel.java@21
PS11, Line 21: import com.google.common.base.Preconditions;
I assume all of these are used. Did you do a pass with an IDE to check for any 
that are unused?

Side note: we really need some sort of Java linter/analyzer in our pre-commit 
checks.


http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAggRel.java@108
PS11, Line 108:         (SimplifiedAnalyzer) context.ctx_.getRootAnalyzer();
Maybe a Precondition for this cast?


http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAggRel.java@339
PS11, Line 339:   @Override
When is copy used? Is it a requirement for Aggregate?


http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaPlanRel.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaPlanRel.java:

http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaPlanRel.java@35
PS11, Line 35:     AGG,
Can we spell this out? I don't see much value in truncating it.


http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/util/SimplifiedAnalyzer.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/util/SimplifiedAnalyzer.java:

http://gerrit.cloudera.org:8080/#/c/21238/11/java/calcite-planner/src/main/java/org/apache/impala/calcite/util/SimplifiedAnalyzer.java@58
PS11, Line 58:         AuthorizationFactory authzFactory,
nit: Alignment here looks off.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iacf0de8ba11f0d31d73d624f0c9a91db9997cfd5
Gerrit-Change-Number: 21238
Gerrit-PatchSet: 11
Gerrit-Owner: Steve Carlin <[email protected]>
Gerrit-Reviewer: Aman Sinha <[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-Comment-Date: Wed, 10 Jul 2024 00:01:23 +0000
Gerrit-HasComments: Yes

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