Tim Armstrong has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/14710


Change subject: IMPALA-9125: generalize finding DataSink from other fragment
......................................................................

IMPALA-9125: generalize finding DataSink from other fragment

This is a minor refactor that makes the existing mechanism
for finding PlanRootSink more general:
* Status-returning API to reduce boilerplate in caller.
* Avoid storing PlanRootSink as a member - this doesn't scale
  nicely to multiple subclasses. Instead use an accessor method.

Change-Id: I3c91cadf9ecfde9cc3235bd71412ba10ee37bc4e
---
M be/src/runtime/coordinator.cc
M be/src/runtime/fragment-instance-state.cc
M be/src/runtime/fragment-instance-state.h
M be/src/runtime/query-state.cc
M be/src/runtime/query-state.h
5 files changed, 26 insertions(+), 22 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/10/14710/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I3c91cadf9ecfde9cc3235bd71412ba10ee37bc4e
Gerrit-Change-Number: 14710
Gerrit-PatchSet: 1
Gerrit-Owner: Tim Armstrong <tarmstr...@cloudera.com>

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