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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2022/02/22 16:25:00 UTC

[jira] [Created] (ARROW-15753) [Java] Dataset JNI bridge should use the C data interface

Antoine Pitrou created ARROW-15753:
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             Summary: [Java] Dataset JNI bridge should use the C data interface
                 Key: ARROW-15753
                 URL: https://issues.apache.org/jira/browse/ARROW-15753
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Java
            Reporter: Antoine Pitrou


Right now the datasets JNI bridge uses some custom buffer passing which only seems to handle primitive arrays correctly (child array buffers and dictionaries are not considered):
https://github.com/apache/arrow/blob/master/cpp/src/jni/dataset/jni_wrapper.cc#L498-L500

Instead, it should use the C data interface, which is now implemented in Java.



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