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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/02/27 19:03:00 UTC

[jira] [Updated] (ARROW-4119) [C++] Clean up cast implementation from null to other types

     [ https://issues.apache.org/jira/browse/ARROW-4119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-4119:
--------------------------------
    Fix Version/s:     (was: 0.13.0)
                   0.14.0

> [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
>            Priority: Major
>             Fix For: 0.14.0
>
>
> 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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