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From Doug Cutting <cutt...@gmail.com>
Subject Re: Avro union compatibility mode enhancement proposal
Date Mon, 18 Apr 2016 19:48:38 GMT
On Sun, Apr 17, 2016 at 2:00 PM, Matthieu Monsch <monsch@alum.mit.edu> wrote:
> + For unions, we will add an optional catch-all attribute to mark a branch as resolution
target when no names or aliases match (and come up with the corresponding syntax).

Can this be compatible?  If you add a new union syntax (e.g.,
{"type":"union", "branches":[...], "default":...}) then existing
implementations will not be able to read new data that uses this
feature.

Doug

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