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Posted to reviews@impala.apache.org by "Tim Armstrong (Code Review)" <ge...@cloudera.org> on 2021/01/07 20:34:20 UTC

[Impala-ASF-CR] IMPALA-10185: Use bool stats for selectivity calculations

Tim Armstrong has uploaded a new patch set (#3) to the change originally created by Shant Hovsepian. ( http://gerrit.cloudera.org:8080/16462 )

Change subject: IMPALA-10185: Use bool stats for selectivity calculations
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IMPALA-10185: Use bool stats for selectivity calculations

Factor in numTrues and numFalses stats when computing selectivity for
boolean columns.

Testing:
  * New test method in ExprCardinalityTest

Change-Id: I95c1c7c915bf6bca13fe006c0531c33988187d12
---
M fe/src/main/java/org/apache/impala/analysis/BinaryPredicate.java
M fe/src/test/java/org/apache/impala/analysis/ExprCardinalityTest.java
2 files changed, 51 insertions(+), 7 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/62/16462/3
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I95c1c7c915bf6bca13fe006c0531c33988187d12
Gerrit-Change-Number: 16462
Gerrit-PatchSet: 3
Gerrit-Owner: Shant Hovsepian <sh...@cloudera.com>
Gerrit-Reviewer: Aman Sinha <am...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <im...@cloudera.com>
Gerrit-Reviewer: Qifan Chen <qc...@cloudera.com>
Gerrit-Reviewer: Shant Hovsepian <sh...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <ta...@cloudera.com>