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Posted to dev@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2017/12/06 21:45:00 UTC

[jira] [Created] (ARROW-1896) [C++] Do not allocate memory for primitive outputs in CastKernel::Call implementation

Wes McKinney created ARROW-1896:
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             Summary: [C++] Do not allocate memory for primitive outputs in CastKernel::Call implementation
                 Key: ARROW-1896
                 URL: https://issues.apache.org/jira/browse/ARROW-1896
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney
            Assignee: Wes McKinney
             Fix For: 0.8.0


This is some refactoring / tidying. Unless an output of cast has a non-determinate size (e.g. is Binary or something else), the {{CastKernel::Call}} implementation should assume that it is writing into pre-allocated memory. The corresponding memory allocation can be lifted into the {{arrow::compute::Cast}} API



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