yu feng has uploaded a new change for review. http://gerrit.cloudera.org:8080/7015
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, 101 insertions(+), 14 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/15/7015/1 -- To view, visit http://gerrit.cloudera.org:8080/7015 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: newchange Gerrit-Change-Id: I0325a9e437261b15313bbdf2f22d83376a84b575 Gerrit-PatchSet: 1 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: yu feng <[email protected]>
