Yes, as Roger suggests, in Avro this is done by specifying a reader schema
that contains a subset of the fields written.

E.g.,  https://icircuit.net/avro-schema-projection/1446

Doug


On Fri, Apr 3, 2020 at 8:09 AM roger peppe <rogpe...@gmail.com> wrote:

> If you're using a custom codec, this is potentially possible if you're
> reading only a single record, not a sequence of records. I've been
> considering implementing this as an optimisation. However, I don't think
> it's possible to skip entirely when reading a sequence of records because
> there's no record header that encodes the record length.
>
> However if you read into a schema that only has F1, none of the other
> fields will be materialised, only read and discarded, AIUI (although I'm
> not familiar with the Java codec so it might work differently).
>
>   cheers, rog.
>
>
> On Tue, 31 Mar 2020, 15:59 JohnGa, <pka...@kubikconcepts.com> wrote:
>
>> Hello,
>> I am using BinaryDecoder with a compiled schema.  Let's say there are 10
>> fields: F1, F2,....F10.  After reading F1, I want to skip to the end of
>> the
>> record without decoding the fields from F2 to F10.  Is there a way to
>> accomplish this in Avro?
>>
>> Thanks.
>>
>>
>>
>> --
>> Sent from:
>> http://apache-avro.679487.n3.nabble.com/Avro-Users-f679479.html
>>
>

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