I have code in source_node.cc in a local branch adding factories for other sources in SourceNode (e.g., streams of RecordBatch, ExecBatch, or ArrayVector) which I could make a PR for, if there is interest.
Yaron. ________________________________ From: David Li <lidav...@apache.org> Sent: Wednesday, August 17, 2022 4:25 PM To: dev@arrow.apache.org <dev@arrow.apache.org> Subject: Re: [C++] Read Flight data source into Acero Convert the reader to a RecordBatchReader [1], turn it into an AsyncGenerator [2], then wrap it in a SourceNode (though I think SourceNode should just expose a helper for wrapping a RecordBatchReader like it already does for Tables). [1]: https://github.com/apache/arrow/blob/8474ee5a3ed725d4bb56c75fc1b13a53cba1fd1f/cpp/src/arrow/flight/types.h#L561 [2]: https://github.com/apache/arrow/blob/ee2e9448c8565820ba38a2df9e44ab6055e5df1d/cpp/src/arrow/compute/exec/exec_plan.h#L529-L535 On Wed, Aug 17, 2022, at 15:32, Aldrin wrote: > I don't have any pointers, but just wanted to mention that I am going to > try and figure this out quite a bit in the next week. I can try to create > some relevant cookbook recipes as I plod along. > > Aldrin Montana > Computer Science PhD Student > UC Santa Cruz > > > On Wed, Aug 17, 2022 at 9:15 AM Li Jin <ice.xell...@gmail.com> wrote: > >> Correction: I have a flight::FlightStreamReader (not Flight::StreamReader) >> >> On Wed, Aug 17, 2022 at 12:12 PM Li Jin <ice.xell...@gmail.com> wrote: >> >> > Hi, >> > >> > I have a Flight data source (effectively a Flight::StreamReader) and I'd >> > like to create an Acero source node from it. I wonder if something >> already >> > exists to do that or if not, perhaps some pointers for me to take a look >> > at? >> > >> > Thanks, >> > Li >> > >> > >>
