Hi Kou,
Yes, it works.
Thanks,
Hung
On Sun, Aug 18, 2024 at 9:29 PM Sutou Kouhei <k...@clear-code.com> wrote:
> Hi,
>
> Does this work?
>
> std::shared_ptr<arrow::Table>
> from_wire_format(std::shared_ptr<arrow::Buffer> buffer) {
> arrow::io::BufferReader input(std::move(buffer));
> auto reader =
> arrow::ipc::RecordBatchStreamReader::Open(&input).ValueOrDie();
> return reader-.ToTable().ValueOrDie();
> }
>
>
> Thanks,
> --
> kou
>
> In <cajkfh3qu7++yrxev3sxpsdmulqpnjlya8pdtd8epzdcj8mq...@mail.gmail.com>
> "How to reconstruct an arrow::Table from an arrow::Buffer object in
> C++?" on Sun, 18 Aug 2024 20:06:46 -0400,
> Hung Dang <hungp...@gmail.com> wrote:
>
> > Hello,
> >
> > I use this code to serialize an arrow::Table to an arrow::Buffer.
> >
> > std::shared_ptr<arrow::Buffer> to_wire_format(const arrow::Table &table)
> {
> > auto buffer = arrow::io::BufferOutputStream::Create().ValueOrDie();
> > auto writer = arrow::ipc::MakeStreamWriter(buffer,
> > table.schema()).ValueOrDie();
> > validate_status(writer->WriteTable(table));
> > validate_status(writer->Close());
> > return buffer->Finish().ValueOrDie();
> > }
> >
> > How do I reconstruct an arrow::Table from an arrow::Buffer?
> >
> > Thanks,
> > Hung
>
