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From Simon Dumke <simon.du...@ipp.mpg.de>
Subject Re: Reccord-Level Access
Date Fri, 30 Aug 2019 19:03:38 GMT
Hi Ben,

thanks for the suggestion, i'll loon into it!


Regards,
Simon

Am 30. August 2019 20:59:23 schrieb Ben Kietzman <ben.kietzman@rstudio.com>:
> Hi Simon,
>
> If you're interested in adding a record interface, the Scalar classes might 
> be a good place to start. They represent a value from an array slot and it 
> should be fairly straightforward to extract a table row as a StructScalar
>
> On Fri, Aug 30, 2019 at 1:27 PM Wes McKinney <wesmckinn@gmail.com> wrote:
> hi Simon -- I don't think there is any such Row accessor class in Java
> but you are welcome to contribute one to the project. For performance
> sensitive applications, using a record interface might not be the best
> idea, but I can understand the convenience for some uses cases.
>
> - Wes
>
> On Fri, Aug 30, 2019 at 4:55 AM Simon Dumke <simon.dumke@ipp.mpg.de> wrote:
>>
>> Hi all,
>>
>>
>>
>>
>> I did not find anything (and so: no definite answer) in the docs, so i
>> thought to ask here:
>>
>>
>>
>>
>> Does Arrow (and at this point my main concern is Arrow for java) support
>> any type of concept that allows a "record level access" (so, a "row") to
>> data in an Arrow RecordBatch or Table? I would have thougt that even in
>> column-oriented analytics etc. this would be a common last step access
>> pattern over many use cases, but i could not find any references to such a
>> thing.
>>
>>
>>
>>
>> Thanks and kind regards,
>> Simon
>>
>>


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