Hi Mike,

I read through most of the doc on avro site, don't see anything about the
"union schema", Mike, would you mind give me some example here how the
union schma is defined? also what package/method can retrieve the master
schema from avro file? is that "getschema()" should work? and how to read
in each Avro datums whithout knowing their corresponding schema?....

very much appreciate your help!
On Tue, Jul 22, 2014 at 10:25 PM, Michael Pigott <
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