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https://issues.apache.org/jira/browse/ARROW-1674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204847#comment-16204847
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ASF GitHub Bot commented on ARROW-1674:
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GitHub user pcmoritz opened a pull request:
https://github.com/apache/arrow/pull/1201
ARROW-1674: Format, C++] Add support for byte length booleans in Tensors
This adds support for byte length booleans in Tensors on the C++ side and
also a new logical field in the Boolean flatbuffers message that lets us
distinguish between booleans represented by bits and booleans represented by
bytes. The use of byte sized booleans is restricted to Tensors.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/pcmoritz/arrow byte-booleans
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/arrow/pull/1201.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1201
----
commit caddfce3dfdcf50629e5abffc6952e002920a5da
Author: Philipp Moritz <[email protected]>
Date: 2017-10-14T22:47:18Z
add support for byte length booleans
----
> [Format] Add bit width metadata to Bool logical type
> ----------------------------------------------------
>
> Key: ARROW-1674
> URL: https://issues.apache.org/jira/browse/ARROW-1674
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Format
> Reporter: Wes McKinney
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> Some libraries represent boolean data as a single byte per value as a vector
> of int8/uint8 1's and 0's. It would be useful to be able to retain this
> metadata as an optional field on the {{Bool}} table in {{Schema.fbs}}
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