Michael Smith has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24017 )

Change subject: IMPALA-14484: Calcite planner: Add column stats to union slot 
descriptors
......................................................................


Patch Set 5: Code-Review+1

(2 comments)

http://gerrit.cloudera.org:8080/#/c/24017/5/fe/src/main/java/org/apache/impala/analysis/SetOperationStmt.java
File fe/src/main/java/org/apache/impala/analysis/SetOperationStmt.java:

http://gerrit.cloudera.org:8080/#/c/24017/5/fe/src/main/java/org/apache/impala/analysis/SetOperationStmt.java@701
PS5, Line 701:     for (int i = 0; i < resultExprsList.size(); ++i) {
nit: could clean these loops up with com.google.common.collect.Streams.zip and 
pre-allocating columnStats and sourceColumns.


http://gerrit.cloudera.org:8080/#/c/24017/1/testdata/workloads/functional-planner/queries/PlannerTest/calcite_tpcds/tpcds-q38.test
File 
testdata/workloads/functional-planner/queries/PlannerTest/calcite_tpcds/tpcds-q38.test:

http://gerrit.cloudera.org:8080/#/c/24017/1/testdata/workloads/functional-planner/queries/PlannerTest/calcite_tpcds/tpcds-q38.test@46
PS1, Line 46:                               
ImpalaFilterRel(condition=[AND(SEARCH($3, Sarg[[1222..1233]]), IS NOT 
NULL($0))])
> Yeah, heh, that is a big change :)
Ack



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ia0585fafa45658dffffdbf6410b028f03304b6e9
Gerrit-Change-Number: 24017
Gerrit-PatchSet: 5
Gerrit-Owner: Steve Carlin <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Fang-Yu Rao <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Jason Fehr <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Steve Carlin <[email protected]>
Gerrit-Comment-Date: Thu, 25 Jun 2026 20:35:23 +0000
Gerrit-HasComments: Yes

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