Of course. I wrote up a little patch that adds a method to From.java to open the Avro file and pull out the schema and return a Source of GenericData.Record, but I had to roll to some meetings before I got a chance to test it. I'll post something later this evening ET. On Jan 27, 2014 11:56 AM, "Magnus Runesson" <[email protected]> wrote:
> Thanks for quick answer. > > It is totally OK and reasonable to take one file in a directory and assume > all other has the same schema. > > > On 2014-01-27 18:27, Josh Wills wrote: > > No, I haven't written a way to do that yet, and I feel bad about it-- a > Clouderan asked me for just such a feature a couple of weeks ago and it > slipped my mind. I don't think it's hard to do, just a little tedious and > will require refreshing my memory of the Avro APIs. There's also the > potential issue that multiple Avro files in the same input directory can > have different schemas, so the one we would end up reading might be > somewhat arbitrary (e.g., based on the timestamp of the files in the > directory, or some such thing)-- is that ok? > > > On Mon, Jan 27, 2014 at 9:12 AM, Magnus Runesson <[email protected]>wrote: > >> Can I in (s)crunch read an Avro-file to GenericRecord without provide the >> schema? I want crunch to get the schema from the avro-file it reads. How do >> I do it? >> >> /Magnus >> > > >
