Steve Carlin has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/21938


Change subject: IMPALA-13455: Put expressions in CNF form for performance.
......................................................................

IMPALA-13455: Put expressions in CNF form for performance.

The optimizer now runs a rule to put expressions in conjunctive
normal form.

This commit will allow tpcds and tpch tests to run through without
hanging, specifically queries 13 and 48.

Change-Id: Iceca22f3b2d2b59ab21591f21c07650bbd8efb3c
---
A 
java/calcite-planner/src/main/java/org/apache/impala/calcite/rules/ConvertToCNFRules.java
M 
java/calcite-planner/src/main/java/org/apache/impala/calcite/service/CalciteOptimizer.java
2 files changed, 161 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/38/21938/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Iceca22f3b2d2b59ab21591f21c07650bbd8efb3c
Gerrit-Change-Number: 21938
Gerrit-PatchSet: 1
Gerrit-Owner: Steve Carlin <[email protected]>

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