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From Ben Kietzman <ben.kietz...@rstudio.com>
Subject Re: Reccord-Level Access
Date Fri, 30 Aug 2019 18:59:02 GMT
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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