[jira] [Created] (ARROW-602) C++: Provide iterator access to primitive elements inside a Column/ChunkedArray

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

Uwe L. Korn created ARROW-602:
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             Summary: C++: Provide iterator access to primitive elements inside a Column/ChunkedArray
                 Key: ARROW-602
                 URL: https://issues.apache.org/jira/browse/ARROW-602
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Uwe L. Korn


Given a ChunkedArray, an Arrow user must currently iterate over all its chunks and then cast them to their types to extract the primitive memory regions to access the values. A convenient way to access the underlying values would be to offer a function that takes a ChunkedArray and returns a C++ iterator over all elements.

While this may not be the most performant way to access the underlying data, it should have sufficient performance and adds a convenience layer for new users.



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