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From "Thomas Tauber-Marshall (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-1861: Simplify constant conditionals
Date Wed, 28 Dec 2016 23:17:58 GMT
Thomas Tauber-Marshall has uploaded a new patch set (#2).

Change subject: IMPALA-1861: Simplify constant conditionals
......................................................................

IMPALA-1861: Simplify constant conditionals

When there are conditionals with constant values of TRUE or
FALSE we can simplify them during analysis using the ExprRewriter.

This patch covers IF, ||, &&, CASE, and DECODE.

Change-Id: Id70aaf9fd99f64bd98175b7e2dbba28f350e7d3b
---
M fe/src/main/java/org/apache/impala/analysis/AnalysisContext.java
M fe/src/main/java/org/apache/impala/analysis/CaseWhenClause.java
A fe/src/main/java/org/apache/impala/rewrite/ConstantPredicateRule.java
M fe/src/test/java/org/apache/impala/analysis/ExprRewriteRulesTest.java
M testdata/workloads/functional-planner/queries/PlannerTest/empty.test
5 files changed, 204 insertions(+), 12 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/85/5585/2
-- 
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Id70aaf9fd99f64bd98175b7e2dbba28f350e7d3b
Gerrit-PatchSet: 2
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Thomas Tauber-Marshall <tmarshall@cloudera.com>

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