[kudu-CR] KUDU-2851: modify table scan and copy tools to surface errors

["Hannah Nguyen (Code Review)" <ge...@cloudera.org>]

Hello Kudu Jenkins, Andrew Wong, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/13733

to look at the new patch set (#5).

Change subject: KUDU-2851: modify table scan and copy tools to surface errors
......................................................................

KUDU-2851: modify table scan and copy tools to surface errors

- Initialized a Status for each thread.
- Replaced CHECKs in ScanData() with return of bad Status.
- StartWork() logs all bad Statuses, and returns the first bad Status
  from the thread pool.

Change-Id: Ic45da537b8bacfa9625010536ea82da9a6e76100
---
M src/kudu/tools/kudu-tool-test.cc
M src/kudu/tools/table_scanner.cc
M src/kudu/tools/table_scanner.h
3 files changed, 95 insertions(+), 16 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/33/13733/5
-- 
To view, visit http://gerrit.cloudera.org:8080/13733
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ic45da537b8bacfa9625010536ea82da9a6e76100
Gerrit-Change-Number: 13733
Gerrit-PatchSet: 5
Gerrit-Owner: Hannah Nguyen <ha...@cloudera.com>
Gerrit-Reviewer: Andrew Wong <aw...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins (120)