Qifan Chen has posted comments on this change. ( http://gerrit.cloudera.org:8080/16349 )
Change subject: IMPALA-7310: Partial fix for NDV cardinality with NULLs. ...................................................................... Patch Set 3: (1 comment) Looks good to me! http://gerrit.cloudera.org:8080/#/c/16349/3/fe/src/main/java/org/apache/impala/analysis/SlotRef.java File fe/src/main/java/org/apache/impala/analysis/SlotRef.java: http://gerrit.cloudera.org:8080/#/c/16349/3/fe/src/main/java/org/apache/impala/analysis/SlotRef.java@96 PS3, Line 96: if (numDistinctValues_ == 0 && desc_.getIsNullable() && desc_.getStats() != null Just wonder if the new logic here should be moved to ::getNumDistinctValues() so that more classes can benefit from it. -- To view, visit http://gerrit.cloudera.org:8080/16349 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: Iec967053b4991f8c67cde62adf003cbd3f429032 Gerrit-Change-Number: 16349 Gerrit-PatchSet: 3 Gerrit-Owner: Shant Hovsepian <sh...@cloudera.com> Gerrit-Reviewer: Aman Sinha <amsi...@cloudera.com> Gerrit-Reviewer: David Rorke <dro...@cloudera.com> Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com> Gerrit-Reviewer: Shant Hovsepian <sh...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com> Gerrit-Comment-Date: Mon, 24 Aug 2020 20:48:22 +0000 Gerrit-HasComments: Yes
