Vuk Ercegovac has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/9065 )

Change subject: IMPALA-5440 Add planner tests with extreme statistics values
......................................................................


Patch Set 3:

(7 comments)

http://gerrit.cloudera.org:8080/#/c/9065/3/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/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTest.java@522
PS3, Line 522: from tpch.lineitem a, tpch.lineitem b, tpch.lineitem c";
             :     checkCardinalityBounds(query, "t
what is this testing?


http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTest.java@526
PS3, Line 526: nion select * from tpch.lineitem b "
             :         + "union select * from tpch.lineitem
is this expected to overflow? perhaps feed in large number of rows.


http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTest.java@532
PS3, Line 532: h.lineitem.l_o
is this supposed to overflow?


http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTest.java@536
PS3, Line 536: tpch.lineitem"
is this supposed to overflow? perhaps mention the operator that this is testing 
(exchange?)


http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTestBase.java
File fe/src/test/java/org/apache/impala/planner/PlannerTestBase.java:

http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTestBase.java@788
PS3, Line 788:
pls add comments.


http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTestBase.java@792
PS3, Line 792: execRequest == null)
             :         return;
single line


http://gerrit.cloudera.org:8080/#/c/9065/3/fe/src/test/java/org/apache/impala/planner/PlannerTestBase.java@802
PS3, Line 802: e.estimated_stats.ca
is this guaranteed to be non-null?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I86dec47cf1438882cafaec53e97864ccfcdff3cb
Gerrit-Change-Number: 9065
Gerrit-PatchSet: 3
Gerrit-Owner: [email protected]
Gerrit-Reviewer: Alex Behm <[email protected]>
Gerrit-Reviewer: Jim Apple <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Vuk Ercegovac <[email protected]>
Gerrit-Reviewer: [email protected]
Gerrit-Comment-Date: Wed, 24 Jan 2018 02:22:59 +0000
Gerrit-HasComments: Yes

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