Thanks Wes

On Mon, May 20, 2019 at 4:24 PM Wes McKinney <wesmckinn@gmail.com> wrote:
See https://issues.apache.org/jira/browse/ARROW-5377

On Mon, May 20, 2019 at 8:15 AM Wes McKinney <wesmckinn@gmail.com> wrote:
>
> hi Miki,
>
> Steps
>
> * Convert the Table to a sequence of RecordBatch objects. You can use
> arrow::TableBatchReader to do this [1]
> * Write a stream using MockOutputStream [2]
> * Use the reported size of the total stream to allocate memory in Plasma
> * Write a real stream using arrow::io::FixedSizeBufferWriter
>
> I'm interested at some point to reduce the amount of boilerplate
> associated with this process, and also to avoid multiple metadata
> serialization and record batch disassembly steps. I'll open a JIRA
> issue
>
> We'd be delighted if you would contribute to the C++ documentation at
> https://github.com/apache/arrow/tree/master/docs/source/cpp
>
> - Wes
>
> [1]: https://github.com/apache/arrow/blob/master/cpp/src/arrow/table.h#L340
> [2]: https://github.com/apache/arrow/blob/7a5562174cffb21b16f990f64d114c1a94a30556/cpp/src/arrow/io/memory.h#L89
>
> On Mon, May 20, 2019 at 7:24 AM Miki Tebeka <miki@353solutions.com> wrote:
> >
> > Hi,
> >
> > I'm looking for an example on how to store/retrieve a an arrow::Table in plasma. The examples I see in the documentation site are for basic types.
> >
> > My end goal is to create data (Table) in C++, store it in plasma and read if from Python.
> >
> > From reading around, I need to allocate buffer in plasma, but how can I find the size of the Table to allocate the table? And how can I serialize it into the created Buffer?
> >
> > Thanks,
> > Miki