Aman Sinha has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/15473 )

Change subject: IMPALA-8533: Impala daemon crash on sort
......................................................................


Patch Set 2:

(4 comments)

http://gerrit.cloudera.org:8080/#/c/15473/2//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/15473/2//COMMIT_MSG@7
PS2, Line 7: IMPALA-8533: Impala daemon crash on sort
Suggest adding the word 'Fix' at the beginning.


http://gerrit.cloudera.org:8080/#/c/15473/1/fe/src/main/java/org/apache/impala/planner/AnalyticPlanner.java
File fe/src/main/java/org/apache/impala/planner/AnalyticPlanner.java:

http://gerrit.cloudera.org:8080/#/c/15473/1/fe/src/main/java/org/apache/impala/planner/AnalyticPlanner.java@366
PS1, Line 366:       if(sortInfo.getSortTupleDescriptor().getSlots().size() > 
0) {
> I added several more testcases to increase coverage. Some of the cases appe
Thanks for adding the tests. So looks like this crash was only occurring for 
the analytic function + union queries.


http://gerrit.cloudera.org:8080/#/c/15473/2/fe/src/test/java/org/apache/impala/planner/PlannerTest.java
File fe/src/test/java/org/apache/impala/planner/PlannerTest.java:

http://gerrit.cloudera.org:8080/#/c/15473/2/fe/src/test/java/org/apache/impala/planner/PlannerTest.java@977
PS2, Line 977: /*
Was this commented out for debugging ?


http://gerrit.cloudera.org:8080/#/c/15473/2/testdata/workloads/functional-planner/queries/PlannerTest/union.test
File testdata/workloads/functional-planner/queries/PlannerTest/union.test:

http://gerrit.cloudera.org:8080/#/c/15473/2/testdata/workloads/functional-planner/queries/PlannerTest/union.test@4577
PS2, Line 4577: SELECT 1 FROM (SELECT int_col c1 FROM functional.alltypestiny 
UNION ALL SELECT int_col c1 FROM functional.alltypestiny) a ORDER BY 1;
It would be good to add a short comment about what each of these tests is 
testing.  e.g 'ordering by a constant ofter a union, so you expect the sort to 
be dropped'



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: If19303fbf55927c1e1b76b9b22ab354322b21c54
Gerrit-Change-Number: 15473
Gerrit-PatchSet: 2
Gerrit-Owner: Kurt Deschler <kdesc...@cloudera.com>
Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: Anurag Mantripragada <anu...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Joe McDonnell <joemcdonn...@cloudera.com>
Gerrit-Reviewer: Kurt Deschler <kdesc...@cloudera.com>
Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Reviewer: Vihang Karajgaonkar <vih...@cloudera.com>
Gerrit-Comment-Date: Thu, 19 Mar 2020 17:45:42 +0000
Gerrit-HasComments: Yes

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