[kudu-CR] [c++ client] - Make fault tolerant scans set READ_AT_SNAPSHOT read mode implicitely

["David Ribeiro Alves (Code Review)" <ge...@ip-10-146-233-104.ec2.internal>]

Hello Todd Lipcon,

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

    http://gerrit.cloudera.org:8080/1992

to look at the new patch set (#2).

Change subject: [c++ client] - Make fault tolerant scans set READ_AT_SNAPSHOT read mode implicitely
......................................................................

[c++ client] - Make fault tolerant scans set READ_AT_SNAPSHOT read mode implicitely

Fault tolerant scans, a.k.a. ordered scans when hash partitioning is not
being used, require READ_AT_SNAPSHOT read mode or KuduScanner::Open() will fail.
However we're unnecessarily requiring the user to separately call SetReadMode().

This patch just makes it so that SetFaultTolerant() also sets the correct
read mode, thus making client usage for fault tolerant scans require one less
call in the common case.

Change-Id: I146a94f9e140a1b7985c807f825acbf9a0fe4667
---
M src/kudu/client/client-test.cc
M src/kudu/client/client.cc
M src/kudu/client/client.h
3 files changed, 3 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/92/1992/2
-- 
To view, visit http://gerrit.cloudera.org:8080/1992
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I146a94f9e140a1b7985c807f825acbf9a0fe4667
Gerrit-PatchSet: 2
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: David Ribeiro Alves <da...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>