Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/16128 )

Change subject: WIP - IMPALA-9898: generate grouping set plans
......................................................................


Patch Set 6:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/16128/5/fe/src/main/java/org/apache/impala/analysis/GroupByClause.java
File fe/src/main/java/org/apache/impala/analysis/GroupByClause.java:

http://gerrit.cloudera.org:8080/#/c/16128/5/fe/src/main/java/org/apache/impala/analysis/GroupByClause.java@145
PS5, Line 145:     }
There's a problem here that affects plan generation - we need to include 
grouping expressions that were added during rewrites and aren't part of the 
original grouping sets.


http://gerrit.cloudera.org:8080/#/c/16128/5/fe/src/main/java/org/apache/impala/analysis/MultiAggregateInfo.java
File fe/src/main/java/org/apache/impala/analysis/MultiAggregateInfo.java:

http://gerrit.cloudera.org:8080/#/c/16128/5/fe/src/main/java/org/apache/impala/analysis/MultiAggregateInfo.java@227
PS5, Line 227:       return;
> Set isAnalyzed_ = true ?  Seems analyzeGroupingSets() is not setting this f
I'm relying on analyzeCustomClasses to do that, but it's kinda buried - added a 
comment in analyzeGroupingSets().



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ie454c5bf7aee266321dee615548d7f2b71380197
Gerrit-Change-Number: 16128
Gerrit-PatchSet: 6
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: David Rorke <dro...@cloudera.com>
Gerrit-Reviewer: Fang-Yu Rao <fangyu....@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Wed, 01 Jul 2020 03:59:19 +0000
Gerrit-HasComments: Yes

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