Use RecordBatch.serialize to do this. On Wed, Oct 21, 2020 at 11:18 PM Micah Kornfield <emkornfi...@gmail.com> wrote:
> Hi Shawn, > This method exists in the C++ implementation [1], so it is likely > reasonable to expose some form in python (I couldn't find it either in > pyarrow). This should be reasonable straight-forward (you could follow the > path taken for read implementation) if it is something you wanted to > contribute. > > Thanks, > -Micah > > [1] > https://github.com/apache/arrow/blob/3694794bdfd0677b95b8c95681e392512f1c9237/cpp/src/arrow/ipc/writer.h#L169 > > On Mon, Oct 12, 2020 at 12:38 AM Shawn Yang <shawn.ck.y...@gmail.com> > wrote: > >> I want to write a record batch as ipc message separately without writing >> a schema. In my case, the schema is known to peers ahead of time. I noticed >> arrow java already has this method >> `org.apache.arrow.vector.ipc.message.MessageSerializer#serialize(org.apache.arrow.vector.ipc.WriteChannel, >> org.apache.arrow.vector.ipc.message.ArrowRecordBatch)` >> >
