Alexey Serbin has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/23568


Change subject: WIP KUDU-1261 use empty validity vector for all non-null 
elements
......................................................................

WIP KUDU-1261 use empty validity vector for all non-null elements

This changelist updates conventions on supplying and consuming
validity information on arrays in Kudu C++ API.
With this changelist, empty an validity vector is accepted if
all the elements in the array to be ingested are non-null/valid.
The same convention is now used for the array returned as scan results.

The Python client has been updated correspondingly.

WIP:
  * add proper description
  * brush up the patch
  * make sure Python tests pass in pre-commit tests

Change-Id: I6f0284a1cdf23234d30d18ae4b9f6ee3a9bd82f4
---
M python/kudu/client.pyx
M src/kudu/cfile/cfile-test-base.h
M src/kudu/cfile/cfile_writer.cc
M src/kudu/client/array_cell-internal.cc
M src/kudu/client/array_cell.h
M src/kudu/client/scan_batch.cc
M src/kudu/common/array_cell_view.h
M src/kudu/common/array_type_serdes-test.cc
M src/kudu/common/array_type_serdes.h
M src/kudu/common/partial_row-test.cc
M src/kudu/common/partial_row.cc
M src/kudu/common/row_operations.cc
M src/kudu/common/types.h
M src/kudu/util/bitmap.cc
M src/kudu/util/bitmap.h
15 files changed, 260 insertions(+), 52 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/68/23568/1
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I6f0284a1cdf23234d30d18ae4b9f6ee3a9bd82f4
Gerrit-Change-Number: 23568
Gerrit-PatchSet: 1
Gerrit-Owner: Alexey Serbin <[email protected]>

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