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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/06/03 15:18:00 UTC

[jira] [Created] (ARROW-12951) [C++] Refactor StringTransform

Antoine Pitrou created ARROW-12951:
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             Summary: [C++] Refactor StringTransform
                 Key: ARROW-12951
                 URL: https://issues.apache.org/jira/browse/ARROW-12951
             Project: Apache Arrow
          Issue Type: Task
          Components: C++
            Reporter: Antoine Pitrou


Currently, there is a non-trivial inheritance relationship between {{StringTransform}} and its derived implementation classes. Also, the derived classes have to be templated on the actual string type even though their code doesn't care, making generated code size probably bigger than it should be.

Instead, there could be a {{StringTransformExec}} class that delegates to an independent class for per-kernel specifics (mostly: the {{MaxCodeunits}} and {{Transform}} methods).



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