You can specify a reader schema of simply {a:int}. Avro will
efficiently skip missing fields when parsing values. Note that you
still need the original, full schema (the "writer" schema). This is
achieved through the schema resolution rules.
http://avro.apache.org/docs/current/spec.html#Schema+Resolution
Doug
On Thu, Oct 31, 2013 at 5:20 PM, Arvind Kalyan <[email protected]> wrote:
> Folks, say I serialize a GenericData.Record with some schema {a: int, b:
> string, c: array[int]} into a byte[] and send it over the wire.
>
> On the receiving side, once I have this byte[] is it possible for me to
> lookup just the field 'a' without incurring the cost of deserializing all
> the fields?
>
> Any other thoughts around trying to optimize partial lookups?
>
> thanks
> --
> Arvind Kalyan
> http://www.linkedin.com/in/base16
>
