impala-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "yu feng (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-5016: Try to rewrite coalesce() function in SimplifyConditionalsRule.
Date Wed, 07 Jun 2017 02:22:31 GMT
yu feng has uploaded a new patch set (#2).

Change subject: IMPALA-5016: Try to rewrite coalesce() function in SimplifyConditionalsRule.
......................................................................

IMPALA-5016: Try to rewrite coalesce() function in SimplifyConditionalsRule.

try to rewrite coalesce() function with head-most nulls, constant values
and HDFS table partition metadatas. which will make sence in partiton purning

Testing:
add some unit tests for SimplifyConditionalsRule with coalesce() function.
run all test cases in SimplifyConditionalsRule and all passed.

Change-Id: I0325a9e437261b15313bbdf2f22d83376a84b575
---
M fe/src/main/java/org/apache/impala/rewrite/SimplifyConditionalsRule.java
M fe/src/test/java/org/apache/impala/analysis/ExprRewriteRulesTest.java
2 files changed, 100 insertions(+), 14 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/15/7015/2
-- 
To view, visit http://gerrit.cloudera.org:8080/7015
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I0325a9e437261b15313bbdf2f22d83376a84b575
Gerrit-PatchSet: 2
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: yu feng <hzfengyu@corp.netease.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>

Mime
View raw message