Tim Armstrong has uploaded a new patch set (#5) to the change originally created by Shant Hovsepian. ( http://gerrit.cloudera.org:8080/16462 )
Change subject: IMPALA-10185: use bool stats for selectivity calculations ...................................................................... IMPALA-10185: use bool stats for selectivity calculations Factor in numTrues and numFalses stats when computing selectivity for boolean columns. TODO: also implement this for equivalents in SlotRef and FunctionCallExpr. 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/62/16462/5 -- To view, visit http://gerrit.cloudera.org:8080/16462 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: I95c1c7c915bf6bca13fe006c0531c33988187d12 Gerrit-Change-Number: 16462 Gerrit-PatchSet: 5 Gerrit-Owner: Shant Hovsepian <[email protected]> Gerrit-Reviewer: Aman Sinha <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]> Gerrit-Reviewer: Qifan Chen <[email protected]> Gerrit-Reviewer: Shant Hovsepian <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]>
