[kudu-CR] Add ColumnPredicate class

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

Dan Burkert has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/2137

Change subject: Add ColumnPredicate class
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Add ColumnPredicate class

This predicate type is meant to replace the current ScanPredicate class.
It's designed to encapsulate any type of predicate clause that can be applied to
a column. Right now it has Range, and Equality variants, but in the future could
be expanded to included a Compound variant to handle IN or conjunctive clauses.

ColumnPredicate will be integrated into the client and tablet in a followup
commit.

Change-Id: I72cac35d7a168f96c2ee52afd284489e99755e3f
---
M src/kudu/common/CMakeLists.txt
A src/kudu/common/column_predicate-test.cc
A src/kudu/common/column_predicate.cc
A src/kudu/common/column_predicate.h
M src/kudu/common/row_key-util.cc
M src/kudu/common/row_key-util.h
6 files changed, 790 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/37/2137/1
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I72cac35d7a168f96c2ee52afd284489e99755e3f
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Dan Burkert <da...@cloudera.com>