Tim Armstrong has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/16131 )

Change subject: IMPALA-9911: Fix IS [NOT] NULL predicate selectivity
......................................................................


Patch Set 4:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/16131/2/fe/src/test/java/org/apache/impala/analysis/ExprCardinalityTest.java
File fe/src/test/java/org/apache/impala/analysis/ExprCardinalityTest.java:

http://gerrit.cloudera.org:8080/#/c/16131/2/fe/src/test/java/org/apache/impala/analysis/ExprCardinalityTest.java@415
PS2, Line 415:     verifySelectExpr("alltypes", "int_col is null", 3, 0);
I think the NDV bug is still a thing right (I guess it's not too consequential).


http://gerrit.cloudera.org:8080/#/c/16131/2/fe/src/test/java/org/apache/impala/analysis/ExprCardinalityTest.java@446
PS2, Line 446:
Same here.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I46c084be780b8f5aead9e2b9656fbab6cc8c8874
Gerrit-Change-Number: 16131
Gerrit-PatchSet: 4
Gerrit-Owner: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
Gerrit-Comment-Date: Thu, 02 Jul 2020 04:53:42 +0000
Gerrit-HasComments: Yes

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