AVRO-3028: Records encode fields that equal the default (#1065)
AVRO-3028: Records encode fields that equal the default (#1065)

I believe that this is an important aspect to clarify as some other
serialization formats omit fields that equal their default for
space-efficiency reasons. I had to run a small experiment as I could not
find this information in the spec.

Signed-off-by: Juan Cruz Viotti <ee759b1936af4d7bd0d0e5363e6b1ea438e6a390@jviotti.com>
apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro