Csaba Ringhofer has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21516 )

Change subject: IMPALA-13077: Fix selectivity estimation for SEMI JOIN
......................................................................


Patch Set 5: Code-Review+1

(2 comments)

I would prefer to add a test that doesn't rely on scalar subqueries, otherwise 
LGTM

http://gerrit.cloudera.org:8080/#/c/21516/4/testdata/workloads/functional-planner/queries/PlannerTest/implicit-joins.test
File 
testdata/workloads/functional-planner/queries/PlannerTest/implicit-joins.test:

http://gerrit.cloudera.org:8080/#/c/21516/4/testdata/workloads/functional-planner/queries/PlannerTest/implicit-joins.test@484
PS4, Line 484: shoud
typo


http://gerrit.cloudera.org:8080/#/c/21516/4/testdata/workloads/functional-planner/queries/PlannerTest/implicit-joins.test@486
PS4, Line 486: where ss_sold_date_sk=(
             :   select min(d_date_sk) + 1000 from tpcds.date_dim)
> Changes in patch set 5 managed to pass this new test.
I still think that it would be better to test with a table without stats 
instead of a scalar subquery.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I9c799df535d764c3f87ededef1c48eaa103293a0
Gerrit-Change-Number: 21516
Gerrit-PatchSet: 5
Gerrit-Owner: Riza Suminto <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Comment-Date: Fri, 26 Jul 2024 10:03:57 +0000
Gerrit-HasComments: Yes

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