Aman Sinha has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21961 )

Change subject: IMPALA-13468: Fix various aggregation issues in aggregation.test
......................................................................


Patch Set 3:

(9 comments)

http://gerrit.cloudera.org:8080/#/c/21961/3//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/21961/3//COMMIT_MSG@20
PS3, Line 20: min(NULL) and min(char types)
nit: to be precise, this is both min and max


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaAggOperator.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaAggOperator.java:

http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaAggOperator.java@32
PS3, Line 32: ImpalaOperator
This says ImpalaOperator but the actual class is ImpalaAggOperator.  Is 
ImpalaAggOperator supposed to be a derived class of ImpalaOperator ?


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaAvgAggFunction.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaAvgAggFunction.java:

http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaAvgAggFunction.java@31
PS3, Line 31: TIMESTMP
typo: TIMESTAMP


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaGroupingIdFunction.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaGroupingIdFunction.java:

http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaGroupingIdFunction.java@21
PS3, Line 21: import com.google.common.base.Preconditions;
Most of these imported classes are not used in this file.


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaGroupingIdFunction.java@67
PS3, Line 67: /**
            :  */
nit: remove empty comments


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaMinMaxAggFunction.java
File 
java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaMinMaxAggFunction.java:

http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaMinMaxAggFunction.java@31
PS3, Line 31: SqlAvgAggFunction
Confused by the mention of SqlAvgAgg since the class is doing MinMax, not Avg.


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaMinMaxAggFunction.java@31
PS3, Line 31: TIMESTMP
Typo: TIMESTAMP


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaMinMaxAggFunction.java@45
PS3, Line 45:         return ImpalaTypeConverter.getRelDataType(Type.BOOLEAN);
Why would  the Min/Max of a NULL type return a Boolean ? Is this what Impala 
expects ?


http://gerrit.cloudera.org:8080/#/c/21961/3/java/calcite-planner/src/main/java/org/apache/impala/calcite/operators/ImpalaMinMaxAggFunction.java@58
PS3, Line 58:     return 
callBinding.getOperandType(0).getSqlTypeName().equals(SqlTypeName.TIMESTAMP)
It wasn't clear why this is checking for TIMESTAMP even though the 
inferReturnType is mainly concerned with string types and null type.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I038127d6a2f228ae8d263e983b1906e99ae05f77
Gerrit-Change-Number: 21961
Gerrit-PatchSet: 3
Gerrit-Owner: Steve Carlin <[email protected]>
Gerrit-Reviewer: Aman Sinha <[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: Tue, 22 Oct 2024 20:52:49 +0000
Gerrit-HasComments: Yes

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