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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2018/12/26 21:24:00 UTC
[jira] [Created] (ARROW-4119) [C++] Clean up cast implementation
from null to other types
Wes McKinney created ARROW-4119:
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Summary: [C++] Clean up cast implementation from null to other types
Key: ARROW-4119
URL: https://issues.apache.org/jira/browse/ARROW-4119
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Wes McKinney
Fix For: 0.13.0
We are currently generating a bunch of empty kernels when there is no need. It would be better to define a clean {{NullCastKernel}} that handles ensuring that appropriate buffers have been constructed for the output all-null array
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