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Posted to reviews@impala.apache.org by "Marcel Kornacker (Code Review)" <ge...@cloudera.org> on 2017/02/10 15:42:57 UTC
[Impala-ASF-CR] IMPALA-4263: Fix wrong ommission of agg/analytic hash exchanges.
Marcel Kornacker has posted comments on this change.
Change subject: IMPALA-4263: Fix wrong ommission of agg/analytic hash exchanges.
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Patch Set 1: Code-Review+2
(3 comments)
http://gerrit.cloudera.org:8080/#/c/5774/1/fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java
File fe/src/main/java/org/apache/impala/planner/DistributedPlanner.java:
Line 799: if (!childFragment.refsNullableTupleId(partitionExprs)) {
combine with preceding if
http://gerrit.cloudera.org:8080/#/c/5774/1/fe/src/main/java/org/apache/impala/planner/PlanFragment.java
File fe/src/main/java/org/apache/impala/planner/PlanFragment.java:
Line 386: * Returns true if 'exprs' reference a tuple that is made nullable in this fragment.
"in this fragment but not in any of its input fragments"
Line 390: List<TupleId> groupingExprTids = Lists.newArrayList();
remove the reference to grouping, it's overly specific.
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Gerrit-MessageType: comment
Gerrit-Change-Id: I121222179378e56836422a69451d840a012c9e54
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Alex Behm <al...@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <ma...@cloudera.com>
Gerrit-HasComments: Yes