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Posted to jira@arrow.apache.org by "Eduardo Ponce (Jira)" <ji...@apache.org> on 2021/09/03 22:07:00 UTC

[jira] [Created] (ARROW-13898) [C++][Compute] Add support for string binary transforms

Eduardo Ponce created ARROW-13898:
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             Summary: [C++][Compute] Add support for string binary transforms
                 Key: ARROW-13898
                 URL: https://issues.apache.org/jira/browse/ARROW-13898
             Project: Apache Arrow
          Issue Type: Improvement
            Reporter: Eduardo Ponce
            Assignee: Eduardo Ponce
             Fix For: 6.0.0


Add kernel exec generator for string binary functions (similar to StringTransformExecBase) that always expect the first parameter to be of string type and the second parameter is generic. It should also support scalar and array inputs for the following common cases:
* Scalar, Scalar
* Array, Scalar - scalar is broadcasted and paired with all values from array
* Array, Array - process arrays element-wise

The Scalar, Array case is not necessary as it is difficult to generalize, and there are not many functions with this pattern.



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