Aman Sinha has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/23317 )

Change subject: IMPALA-14115: Calcite planner: Added top-n analytic PlanNode 
optimization.
......................................................................


Patch Set 10:

(9 comments)

http://gerrit.cloudera.org:8080/#/c/23317/10/java/calcite-planner/src/main/java/org/apache/impala/calcite/functions/RexCallConverter.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/functions/RexCallConverter.java:

http://gerrit.cloudera.org:8080/#/c/23317/10/java/calcite-planner/src/main/java/org/apache/impala/calcite/functions/RexCallConverter.java@234
PS10, Line 234:   boolean isExprOpSlotRef(Expr expr) {
This function is not used anywhere.


http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java:

http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@153
PS2, Line 153:
> Heh, in my mind, I was thinking that 1 is a greater ranking than 5, but fro
Done


http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@161
PS2, Line 161: ll exprs w
> Done
Done


http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@172
PS2, Line 172:     // returns the Select node on top of the Analytic Node. The 
Calcite planner plan
> Unlike the original Impala planner, unassignedConjuncts is not used across
Done


http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@443
PS2, Line 443:      createAnalyticExpr(rexBuilder, over, ctx, inpu
> Nah, I meant that while they can be duplicated with the list of projects, t
Done


http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@453
PS2, Line 453:       }
> This is the exact type scenario for which the uniqueAnalyticExprs is checki
Done


http://gerrit.cloudera.org:8080/#/c/23317/2/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@493
PS2, Line 493:
> Done
Done


http://gerrit.cloudera.org:8080/#/c/23317/10/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java:

http://gerrit.cloudera.org:8080/#/c/23317/10/java/calcite-planner/src/main/java/org/apache/impala/calcite/rel/node/ImpalaAnalyticRel.java@255
PS10, Line 255: f it explicitly contains nulls first
This is saying the same thing as the previous statement.  Should it be 'does 
NOT contain NULLS LAST' ?


http://gerrit.cloudera.org:8080/#/c/23317/10/testdata/workloads/functional-planner/queries/PlannerTest/calcite_tpcds/tpcds-q02.test
File 
testdata/workloads/functional-planner/queries/PlannerTest/calcite_tpcds/tpcds-q02.test:

http://gerrit.cloudera.org:8080/#/c/23317/10/testdata/workloads/functional-planner/queries/PlannerTest/calcite_tpcds/tpcds-q02.test@276
PS10, Line 276: |  |  build expressions: 
subtract(tpcds_partitioned_parquet_snap.date_dim.d_week_seq, 53)
This seems suspicious .. why would this patch cause the build expr to change ?  
The query does not even have a rank or limit, so I would not have expected it 
to change q02 plan at all.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ie6fa6781db56771b13b0cf49bd236f776016bf8d
Gerrit-Change-Number: 23317
Gerrit-PatchSet: 10
Gerrit-Owner: Steve Carlin <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Fang-Yu Rao <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Reviewer: Steve Carlin <[email protected]>
Gerrit-Comment-Date: Mon, 06 Oct 2025 16:13:55 +0000
Gerrit-HasComments: Yes

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