Marcel Kornacker has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/4418

Change subject: IMPALA-4014: HEADERS ONLY: Introduce query-wide execution state.
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IMPALA-4014: HEADERS ONLY: Introduce query-wide execution state.

This patch is the beginning of the reorganization of the hierarchy of
execution-related classes in runtime/ and service. It introduces
additional classes which will eventually subsume the existing ones
(FragmentMgr, FragmentExecState, PlanFragmentExecutor), but for now
leaves the old classes in place.

This patch only contains public interface; the implementations of the
new classes will be provided in a follow-on patch.

New classes:
- FragmentInstanceState: subsumes FragmentExecState and
  PlanFragmentExecutor
- QueryState
- QueryExecMgr: subsumes FragmentMgr

Change-Id: I962ae6b7cb7dc0d07fbb8f70317aeb01d88d400b
---
A be/src/runtime/fragment-instance-state.h
A be/src/runtime/query-exec-mgr.h
A be/src/runtime/query-state.h
3 files changed, 275 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/18/4418/1
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I962ae6b7cb7dc0d07fbb8f70317aeb01d88d400b
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Marcel Kornacker <mar...@cloudera.com>

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