yu feng has uploaded a new patch set (#3). 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, 121 insertions(+), 17 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/15/7015/3 -- 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: 3 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: yu feng <hzfen...@corp.netease.com> Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>